The present invention provides a conductive composition that contains a perfluoropolyether oil as a base oil and carbon nanotubes as a conductive substance, wherein the diameter of the carbon nanotubes is 0.4-5.0 nm and the content of the carbon nanotubes is 0.5-3.0 mass% relative to the total mass of the composition.
C10M 105/54 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen, halogen and oxygen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
2.
ELECTROCONDUCTIVE COMPOSITION CONTAINING SILICONE OIL AND CARBON NANOTUBES
The present invention provides an electroconductive composition containing silicone oil as the base oil and carbon nanotubes as the electroconductive substance. The carbon nanotubes have a diameter of 0.4 to 5.0 nm, and the carbon nanotube content is 0.5 to 3.0 mass% with respect to the composition total mass.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
3.
GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS, AND CONSTANT VELOCITY JOINT HAVING SAME SEALED THEREIN
Provided is a grease composition for constant velocity joints, the grease composition containing (a) a base oil, (b) a diurea-based thickening agent, (c) molybdenum dialkyldithiocarbamate that is in a solid state at 25°C, (d) molybdenum dialkyldithiocarbamate that is in a liquid state at 25°C, (e) over-based calcium sulfonate, and (f) zinc dialkyldithiocarbamate, wherein the content of the component (f) is 0.3% by mass to 3.5% by mass as a reference for the total mass of the composition.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
This grease composition for a rolling bearing contains a diurea thickener represented by formula (2): R5-NHCONH-R6-NHCONH-R7 (in the formula, R6 represents a divalent aromatic hydrocarbon group having 6-15 carbon atoms; and R5 and R7 may be the same or different, and each represent a cyclohexyl group or a linear or branched alkyl group having 8-22 carbon atoms), an ester-based synthetic base oil having a kinematic viscosity of 60 mm2/s or more at 40°C, 0.2-2.5 mass% of an amine phosphate based on the total mass of the composition, and 0.5-4 parts by mass of a carboxylic acid-based rust inhibitor with respect to 1 part by mass of the amine phosphate. However, said composition contains neither a carboxylate-based rust inhibitor nor a fatty acid amine salt.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
A01N 47/02 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
The grease composition contains a base oil, a diurea compound as a thickener, and at least one wax selected from the group consisting of rice wax, lanolin wax, carnauba wax, and castor wax.
C10M 169/04 - Mixtures of base-materials and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/42 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms polycarboxylic
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 159/06 - Waxes, e.g. ozocerite, ceresine, petrolatum or slack-wax
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Disclosed is a grease composition for bearings for automobile wheels, the grease composition containing (a) a base oil, (b) a thickening agent, and (c) an additive, wherein: the base oil (a) has a kinematic viscosity of 3-9 mm 2/s at 100°C; the additive (c) contains (c1) a metal dialkyldithiophosphate salt, (c2) an organic metal sulfonate salt, and (c3) a nitrogen- and sulfur-containing heterocyclic compound; and the nitrogen- and sulfur-containing heterocyclic compound (c3) contains at least one substance that is selected from the group consisting of 2(3H)-benzothiazole thione and 2,5-bis(alkyldithio)-1,3,4-thiadiazole.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/36 - Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
8.
GREASE COMPOSITION FOR CONSTANT-VELOCITY JOINT, AND CONSTANT-VELOCITY JOINT HAVING SAME SEALED THEREIN
Provided is a grease composition for a constant-velocity joint having excellent durability due to exhibiting low friction characteristics even in a high-temperature environment. This grease composition for a constant-velocity joint contains: (a) a diurea-based thickener represented by formula (1) R1642644-p-NH-CO-NHR2(R1and R2 are independently a C8-C18 alkyl group); (b) a base oil; (c) molybdenum dithiocarbamate that is solid at 25ºC; (d) at least one selected from the group consisting of molybdenum dithiocarbamate that is liquid at 25ºC and molybdenum dithiophosphate that is liquid at 25ºC; (e) Ca phenate; (f) Ca sulfonate; and (g) an organic sulfur-phosphorus compound, wherein (c):(d)=1:2.6 to 1:5.2 (mass ratio), and the content of (g) is 0.05-0.30 mass% with respect to the total mass of the composition.
C10M 169/06 - Mixtures of thickeners and additives
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
9.
ENERGY-SAVING GREASE COMPOSITION HAVING EXCELLENT SELF-LOCKING PROPERTY
This grease composition is used for lubrication between a resin member and a metal member, and contains a base oil, a calcium sulfonate complex as a thickener, and a powdered metal soap as an additive in an amount of 5 to 20 mass% with respect to the total mass of the composition.
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
This grease composition comprises base oil, a thickener, zinc dialkyldithiophosphate, an antirust agent, and a carboxylic acid, wherein the antirust agent includes four ingredients: calcium sulfonate, zinc carboxylate, an ester-based additive, and zinc sulfonate; the amount of carboxy groups in the carboxylic acid is one or more and 7 × 10-6 mol or less per one gram of the grease composition excluding the carboxylic acid.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
The present invention provides a grease composition for rolling bearings, the grease composition containing: a base oil; a thickening agent that is composed of a composite amide lithium soap; an antioxidant that is composed of 0.5 to 5% by mass of an amine antioxidant and 0.5 to 5% by mass of phenol antioxidant based on the total mass of the composition; and a rust inhibitor that is composed of 0.1 to 5% by mass of a carboxylic acid rust inhibitor, 0.1 to 5% by mass of a carboxylate salt rust inhibitor and 0.1 to 3% by mass of an amine salt of a fatty acid based on the total mass of the composition. This grease composition for rolling bearings has a 60-stroke worked penetration of 260 to 320 as determined in accordance with JIS K 2220 7.
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 117/06 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having more than one carboxyl group bound to an acyclic carbon atom or cycloaliphatic carbon atom
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 129/34 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
C10M 129/76 - Esters containing free hydroxy or carboxyl groups
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a grease composition containing (a) a compound having a phosphate ester moiety, (b) a base oil, and (c) a thickener and having a maximum non-seizing load of 980 N or more as measured in accordance with ASTM D-2596.
C10M 139/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
13.
GREASE COMPOSITION AND RACK-AND-PINION-TYPE STEERING DEVICE FILLED WITH SAID GREASE COMPOSITION
The present invention provides a grease composition comprising a thickener, a base oil, and an additive. The additive comprises 0.1 to 10 mass% of a molybdenum-based extreme-pressure agent, 0.1 to 10 mass% Na sebacate, and 0.1 to 5 mass% sulfonate. This grease composition has a consistency of 235 to 370.
C10M 169/06 - Mixtures of thickeners and additives
B62D 3/12 - Steering gears mechanical of rack-and-pinion type
C10M 129/42 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms polycarboxylic
C10M 129/44 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms containing hydroxy groups
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
14.
GREASE COMPOSITION FOR CONSTANT-VELOCITY JOINT AND CONSTANT-VELOCITY JOINT HERMETICALLY FILLED THEREWITH
This grease composition for a constant-velocity joint contains (a) base oil having a kinematic viscosity of 16.0 mm2/s or higher at 100°C, and a viscosity index of 90 or higher, (b) a diurea-based thickener, e.g., aliphatic diurea, (c) 0.2-2.0 mass% of zinc dialkyldithiophosphate, (d) 0.5-2.0 mass% of oil-insoluble molybdenum dialkyldithiocarbamate, (e) 0.5-3.0 mass% of oil-soluble molybdenum dialkyldithiocarbamate, (f) 1.0-4.0 mass% of zinc dialkyldithiocarbamate, and (g) 0.1-1.5 mass% of benzothiazolethione or a derivative thereof, wherein (f):(g) ranges from 8:1 to 3:1 (mass ratio).
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 135/36 - Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
15.
GREASE COMPOSITION FOR OUTBOARD CONSTANT VELOCITY JOINTS
A grease composition for outboard constant velocity joints that contains a base oil containing (a) a diurea thickener and (b) a synthetic oil having a kinematic viscosity at -20°C measured by JIS K 2283 of 3,000-20,000 mm2/s.
C10M 169/02 - Mixtures of base-materials and thickeners
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
F16D 3/02 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
F16D 3/16 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
The present invention provides a grease composition which contains (a) a thickening agent that contains a mixture of the substances (I), (II) and (III) described below, and (b) a base oil, wherein: the 60-stroke worked penetration as determined by a method set forth in JIS K 2220.7 is 300 to 350; and the consistency in a roll stability test is 440 or less as determined using a test machine in accordance with ASTM D 1831 after the application of a shear at 120°C for 24 hours. (I): R1-NHCONH-R2-NHCONH-R1 (II): R3-NHCONH-R2-NHCONH-R3 (III): R1-NHCONH-R2-NHCONH-R3 (In the formulae, R1 represents a cyclohexyl group; R2 represents a C6-C15 divalent aromatic hydrocarbon group; R3 represents a C8-C20 linear or branched alkyl group or an alkenyl group; and (R1/(R1 + R3)) × 100 is 80% by mole to 0% by mole.)
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
17.
GREASE COMPOSITION AND RACK-AND-PINION-TYPE STEERING DEVICE FILLED WITH SAID GREASE COMPOSITION
The present invention provides a grease composition for use in lubrication between a metal member and a metal member, and in lubrication between a metal member and a resin member. The grease composition contains: a urea thickener; as a base oil, a synthetic hydrocarbon oil and/or mineral oil having a kinetic viscosity of 4-40 mm2/s at 100°C of the base oil; and as additives, 1-10 mass% of montan wax, 1-5 mass% of a molybdenum-based extreme pressure agent, and 1-5 mass% of a sulfonate-based compound. The grease composition has a consistency of 310-430.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 139/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups
C10M 159/06 - Waxes, e.g. ozocerite, ceresine, petrolatum or slack-wax
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention relates to a grease composition that contains a base oil, a thickener, and additives, the base oil being at least one type of base oil selected from the group that consists of polyoxyalkylenes, ether derivatives of polyoxyalkylenes, and mixtures of polyoxyalkylenes and ether derivatives of polyoxyalkylenes, and the additives including a first solid lubricant that is a polytetrafluoroethylene and a second solid lubricant that is at least one type of solid lubricant selected from the group that consists of calcium carbonate, calcium oxide, tricalcium phosphate, and calcium salts of fatty acids, the second solid lubricant content being at least 0.5 mass% of the total mass of the composition.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention pertains to a grease composition containing a base oil, a thickener, and additives. The base oil is at least one selected from the group consisting of polyoxyalkylenes, polyoxyalkylene ether derivatives, and mixtures thereof. The additives include polytetrafluoroethylene as a first solid lubricant, and at least one selected from the group consisting of melamine cyanurate, tricalcium phosphate, and sodium sebacate as a second solid lubricant. The content of the second solid lubricant is at least 0.5 mass% relative to the total mass of the composition.
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 129/34 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
Provided is a grease composition for a vehicular hub unit bearing, the grease composition having a mixture consistency of 220-270 and containing, with respect to the total mass of the composition, 0.1-5 mass% of a carboxylic acid-based rust-preventing agent, 0.1-5 mass% of a carboxylate-based rust-preventing agent, and 0.1-3 mass% of a fatty acid amine salt, wherein the base oil is a synthetic hydrocarbon oil having a kinematic viscosity at 40 °C of 25-50 mm2/s, and the thickener is an alicyclic aliphatic diurea compound.
C10M 169/06 - Mixtures of thickeners and additives
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/66 - Special parts or details in view of lubrication
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
A grease composition which is supplied between a plurality of lips in a sealing device that seals the space between a pair of members that rotate relative to each other; this grease composition contains (A) a base oil, (B) a thickening agent and (C) a rust preventive agent; the kinematic viscosity of the base oil (A) at 40°C is 30 to 80 mm2/s; the thickening agent (B) is composed of a diurea compound that is represented by formula (1); and 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) are contained relative to the total mass of this grease composition. (1): R1-NHCONH-R2-NHCONH-R3(In formula (1), R2represents a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and each of R1and R3 represents a linear or branched alkyl group having 8 to 22 carbon atoms.) Consequently, the present invention provides a grease composition which is capable of suppressing the torque difference due to the direction of rotation, while exhibiting excellent sealing properties.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/34 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
C10M 129/76 - Esters containing free hydroxy or carboxyl groups
The present invention provides a grease composition for constant-velocity joints which comprises (a) a base oil, (b) a diurea-based thickening agent, (c) molybdenum dithiocarbamate, (d) molybdenum dithiophosphate, (e) a perbasic calcium sulfonate, and (f) a neutral zinc sulfonate. This composition is excellent in terms of high-temperature durability and vibration diminution.
C10M 141/02 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic oxygen-containing compound
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10M 141/12 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups
C10M 169/06 - Mixtures of thickeners and additives
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A lubricant composition including 0.001-0.08 mass% relative to the total mass of the composition of at least one variety of 0.4-9.0 nm diameter carbon nanotubes, and a base oil, said lubricant composition having a consistency of 200-440.
C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well defined but for which the chemical nature is either unspecified or only very vaguely indicated
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 33/66 - Special parts or details in view of lubrication
C10M 113/16 - Inorganic material treated with organic compounds, e.g. coated
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
The present invention relates to a grease composition containing a base oil, a thickener, a corrosion inhibitor, and an extreme pressure agent, wherein: the corrosion inhibitor includes 0.10-10.00 mass% of calcium sulfonate, 0.20-10.00 mass% of zinc sulfonate, and 0.10-10.00 mass% of zinc carboxylate relative to the total mass of the grease composition; and the extreme pressure agent includes 2.00-14.00 mass% of zinc dialkyl dithiophosphates relative to the total mass of the grease composition.
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 33/66 - Special parts or details in view of lubrication
In a vehicle having a microscopic dynamics friction mechanism formed of at least two parts and charged to a positive potential due to traveling, a lubricant in which first additive fine particles made of a resin that generates a negative potential are uniformly mixed with an electrically insulating base oil is disposed in a clearance between members of the friction mechanism. While the first additive fine particles are in frictional contact with the member, neutralization and elimination of the positive potential of the member are started. The first additive fine particles are attracted by a Coulomb force to the positive potential of the surface of the member other than a frictional contact part of the member when floating in the electrically insulating base oil and moving and circulating. The neutralization and elimination of the positive potential of the member are continued.
B60R 16/06 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for carrying-off electrostatic charges
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
26.
BALL SCREW GREASE COMPOSITION FOR RACK-ASSISTED ELECTRIC POWER STEERING
This ball screw grease composition for a rack-assisted electric power steering contains a thickener, a base oil, and at least one compound selected from the group consisting of a Ca sulfonates, fatty acids, and triglycerides, wherein the kinematic viscosity of the base oil at 40°C is 4-100 mm2/s, and the worked penetration of the composition is 265-385.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/00 - Specified use or application for which the lubricating composition is intended
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
The present invention provides a grease composition to be used for lubrication between resin-made members or lubrication between a resin-made member and a member made from another material. With respect to the total mass of the composition, more than 0.5 mass% but less than 7.5 mass% of a solid organic molybdenum compound is contained.
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 139/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups
28.
GREASE COMPOSITION FOR SPEED REDUCER PART OF ON-VEHICLE ELECTRIC COMPONENT
The present invention provides a grease composition for a speed reducer part of an on-vehicle electric component, said grease composition containing a base oil and a thickener, wherein: the base oil is poly-α-olefin or a mixed oil of poly-α-olefin and mineral oil and has a kinetic viscosity at 100°C of 4-19 mm21213231233 is an aryl group having 6-7 carbon atoms.) The grease composition has a consistency of 220-280.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/00 - Specified use or application for which the lubricating composition is intended
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
29.
GREASE BASE OIL AND GREASE COMPOSITION CONTAINING SAID GREASE BASE OIL
A grease base oil containing a condensed ester of an alcohol (A) and a carboxylic acid (B), wherein the alcohol (A) contains a polyhydric alcohol represented by general formula (1), the carboxylic acid (B) contains a C5-9 fatty acid (B-1), a C15-20 branched fatty acid (B-2), a C4-8 cycloalkane monocarboxylic acid (B-3), and an aromatic carboxylic acid (B-4), the proportion of (B-1) in the carboxylic acid (B) is 30 to 50 mol% inclusive, the proportion of (B-2) is 30 to 50 mol% inclusive, (B-3) is 10 to 30 mol% inclusive, and (B-4) is 1 to 15 mol% inclusive. The grease base oil contains a condensed ester having heat resistance and low-temperature storage stability.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a lubricant which can improve the steering stability of a vehicle or the like having a vehicle body charged by driving. An aspect of the present invention relates to a lubricant for improving the steering stability of a vehicle, the lubricant containing a base oil and additives including carbon black. Another aspect of the present invention relates to a kit for improving the steering stability of a vehicle, the kit comprising: a discharge member having an air ionized self-discharging projection; and said lubricant according to an aspect of the present invention. Still another aspect of the present invention relates to a method for improving the steering stability of a vehicle.
C10M 169/04 - Mixtures of base-materials and additives
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 33/66 - Special parts or details in view of lubrication
A grease composition for a tapered roller bearing, containing: (a) at least one compound selected from the group consisting of metal salts in which the valence of the metal group is 2 as an additive; (b) a base oil including a synthetic oil having a viscosity index of 110 or higher and a pour point of -35°C or lower, in a ratio of at least 40% with respect to the base oil as a whole; (c) a thickener; and (d) an antioxidant.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 19/34 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10M 125/10 - Metal oxides, hydroxides, carbonates or bicarbonates
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
The present invention provides: an anti-strip agent containing at least one component selected from the group consisting of (A) a compound having a specific volume resistivity of 1.0 × 1010Ω•cm or less and (B) a compound in which the ratio of the number of carbon atoms that forms an aromatic ring structure to the total number of carbon atoms constituting the molecule thereof is 50% by mass or more in an amount of more than 1% by mass relative to the whole mass of the anti-strip agent; and a lubricant composition containing the anti-strip agent.
C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well defined but for which the chemical nature is either unspecified or only very vaguely indicated
A grease composition which contains a base oil (a) and a thickener (b), wherein: the base oil (a) contains two or more types of synthetic oil; at least one of these types is a low viscosity ester-based synthetic oil (c) having a kinematic viscosity at 40°C of 5-15 mm2/s; and the kinematic viscosity of the base oil (a) at 40°C is 25 mm2/s or less.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a lubricating oil composition which does not contain ZnDTP, while containing (A) a base oil, (B) molybdenum dialkyldithiocarbamate and (C) an organic acid metal salt compound that comprises a group 8 metal of the short form periodic table, copper or bismuth as a central metal.
The present invention provides a lubricant composition for an eccentrically oscillating planetary gear-type reduction gear, the lubricant composition containing (a) a base oil including synthetic oil, (b) at least one calcium salt selected from the group consisting of a calcium salt of petroleum sulfonic acid, a calcium salt of alkyl aromatic sulfonic acid, a calcium salt of salicylate, a calcium salt of phenate, a calcium salt of oxidized wax, an overbased calcium salt of petroleum sulfonic acid, an overbased calcium salt of alkyl aromatic sulfonic acid, an overbased calcium salt of salicylate, an overbased calcium salt of phenate, and an overbased calcium salt of oxidized wax, (c) an antioxidant, and (d) a glycerin fatty acid ester.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
F16H 57/04 - Features relating to lubrication or cooling
Provided is a grease composition comprising a base oil, a thickener, and an additive, the base oil including a synthetic oil, the thickener including a compound having a urea group, and the additive including a phosphorus compound, a calcium compound, and a hydrocarbon wax. This grease composition can be used enclosed in a hub unit.
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 137/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a grease composition containing (a) a base oil, (b) a thickener comprising a urea compound, (c) an aminic antioxidant at 0.5 to 5 mass% with reference to the total mass of the composition, and (d) a quinolinic antioxidant at 0.5 to 5 mass% with reference to the total mass of the composition.
C10M 141/06 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic nitrogen-containing compound
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10M 133/40 - Six-membered ring containing nitrogen and carbon only
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition which contains a thickening agent, a base oil and a friction regulator, and wherein the friction regulator contains a polyhydric alcohol ester and at least one substance selected from the group consisting of fatty acids, fatty acid metal salts, phosphoric acid esters, thiophosphoric acid esters and zinc dithiophosphate.
C10M 141/02 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic oxygen-containing compound
C10M 129/32 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms monocarboxylic
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
This flame retardant grease composition does not ignite at 900ºC in a grease flammability test and includes: as a thickener, at least one selected from the group consisting of a metal soap based or urea-based thickener; as a base oil, a mineral oil having a kinematic viscosity at 40ºC of 300 to 1000 mm2/s; as an anti-load additive, at least one selected from a sulfurized fat, a sulfurized olefin, and a polysulfide; as a rust inhibitor, at least one selected from a zinc naphthenate and a sorbitan trioleate; and as a surfactant, a basic calcium phenate and a polyethylene glycol monooleate.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
40.
INSPECTION DEVICE AND PRODUCTION MANAGEMENT METHOD
An inspection device (1) is provided with: a light source (10) that emits excitation light toward the inner surface of a container (20); an image pickup unit (11) that photographs a fluorescence image of fluorescence emitted from a foreign material due to the irradiation of the excitation light; and a detection unit (13) that detects, on the basis of the fluorescence image photographed by the image pickup unit, the foreign material adhered on the container inner surface. The foreign material contains a material that emits fluorescence when irradiated with the excitation light, and the detection unit is provided with a calculation unit (14) that calculates an average luminance value in a region to be inspected, and an adjustment unit (15) that adjusts photographing conditions for photographing the fluorescence image so that the average luminance value is within a previously set range.
G01N 21/90 - Investigating the presence of flaws, defects or contamination in a container or its contents
B65B 55/22 - Immersing contents in protective liquids
G01N 21/88 - Investigating the presence of flaws, defects or contamination
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
This grease composition contains a thickener and a base oil, wherein the thickener is a urea compound represented by expression (1) below, R1-NHCONH-R2-NHCONH-R3 (1) (In the expression, R2 represents a divalent aromatic hydrocarbon group of 6-15 carbons, R1 and R3 can be the same or different, and represent an alkyl group of 8-22 carbons, a cyclohexyl group or an aryl group of 6-18 carbons.); one or more compounds represented by expression (2) make up at least 40 mass% of the base oil with respect to the total mass of the base oil in the grease composition. (In the expression, R4 and R5 can be the same or different, and represent a linear or branched alkyl group of 10-26 carbons. m and n are real numbers greater than or equal to zero, and satisfying m+n=2.)
C10M 169/02 - Mixtures of base-materials and thickeners
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Provided is a grease composition, which is for a ball joint, and which is capable of reducing ball seat wear in sliding portions and has excellent compatibility with dust covers. The grease composition for a ball joint comprises a base oil, a thickener, and an additive, wherein the base oil contains an ethylene-α-olefin copolymer, the kinematic viscosity of the base oil at 40°C is 2,000-6,000 m2/s, and the additive contains a polar wax (e.g., monoamide wax or ester wax).
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/10 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation containing aliphatic monomer having more than 4 carbon atoms
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
43.
GREASE COMPOSITION FOR RESIN LUBRICATION AND ELECTRIC POWER STEERING DEVICE
Provided is a grease composition for resin lubrication which comprises a base oil, a diurea compound represented by formula (I) as a thickener, and a chain hydrocarbon polymer, the weight average molecular weight of the chain hydrocarbon polymer being 20,000-300,000. R1-NHCONH-R2-NHCONH-R3 (I) (In formula (I), R2 is a divalent aromatic hydrocarbon group having 6-15 carbon atoms. R1 and R3 are each independently a straight chain or branched alkyl group having 8-22 carbon atoms.)
C10M 169/06 - Mixtures of thickeners and additives
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 143/00 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
C10M 159/00 - Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
44.
ROLLING BEARING GREASE COMPOSITION AND ROLLING BEARING
Provided are: a rolling bearing grease composition with which the acoustic service life of a rolling bearing in a high temperature range is improved; and a rolling bearing in which same is enclosed. The rolling bearing grease composition contains a base oil, a prescribed urea thickening agent, and a metal inactivating agent. The aniline point of the base oil is at least 110°C. The urea thickening agent is at least one kind of diurea compound selected from diurea compounds represented by formula (1): R1-NHCONH-R2-NHCONH-R3 (1) (in the formula, R1 and R3 can be the same or different from each other and represent C6-30 alkyl groups, C5-8 cycloalkyl groups or C6-10 aryl groups and R2 represents a C6-15 divalent aromatic hydrocarbon group).
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 133/44 - Five-membered ring containing nitrogen and carbon only
C10M 135/36 - Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 33/66 - Special parts or details in view of lubrication
Provided is a grease composition used to lubricate mechanical parts having steel lubricated portions that perform rolling movements and rolling/sliding movements, said grease composition characterized by comprising a base oil, a thickener and an additive, wherein the additive comprises at least one compound selected from the group consisting of polyethylene wax, oxidized polyethylene wax, polypropylene wax, montan wax and amide wax.
C10M 143/04 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
C10M 143/18 - Oxidised hydrocarbons, i.e. oxidised subsequent to macromolecular formation
C10M 159/06 - Waxes, e.g. ozocerite, ceresine, petrolatum or slack-wax
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
46.
GREASE COMPOSITION AND GREASE-FILLED WHEEL BEARING
The present invention provides a grease composition for wheel bearings, which contains (a) a base oil which consists of a mineral oil and a synthetic hydrocarbon oil, in which the ratio of the synthetic hydrocarbon oil to the total quantity of the mineral oil and the synthetic hydrocarbon oil is 40-60 mass %, and in which the kinematic viscosity of the mixed oil at 40°C is 40-65 mm2/s, (b) a thickening agent represented by formula (A), (c) an amine-based antioxidant and (d) an amine phosphate-based wear prevention agent (in the formula, R2 denotes a diphenylmethane group. R1 and R3 may be the same or different and each denote a cyclohexyl group or a straight chain or branched chain alkyl group having 16-20 carbon atoms {the value of (number of cyclohexyl groups) / (number of cyclohexyl groups + number of alkyl groups)} × 100 is 50-90 mol.%).
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/28 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a silicone grease composition that exhibits improved frictional properties without causing a deterioration in abrasion resistance. The silicone grease composition contains a thickening agent, a silicone oil as a base oil, and a metal oxide having a Mohs hardness of 6 or lower as a friction modifier. The silicone oil is contained at a quantity of 50 mass % or higher relative to the overall mass of base oil.
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
48.
GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS AND CONSTANT VELOCITY JOINT IN WHICH SAID GREASE COMPOSITION IS SEALED
Provided are: a grease composition for constant velocity joints, which contains (a) a base oil, (b) a diurea thickening agent, (c) a benzotriazole and/or a derivative thereof and (d) a phosphoric acid ester and/or an amine salt thereof; and a constant velocity joint in which this grease composition is sealed.
C10M 169/06 - Mixtures of thickeners and additives
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
F16D 3/22 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 133/44 - Five-membered ring containing nitrogen and carbon only
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a grease composition which contains a base oil, a thickening agent and an anti-flaking additive such as a compound represented by, for example, formula (1-1), and which suppresses white layer flaking in a rolling bearing. (In the formula, R1 and R4 are each independently a straight chain or branched chain alkyl or alkenyl group having 1-20 carbon atoms.)
C10M 135/22 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
C10M 135/28 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring
C10M 135/34 - Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon only
C10M 135/36 - Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 169/04 - Mixtures of base-materials and additives
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition which contains a urea-based thickening agent represented by formula (1) and a base oil that contains one or more compounds represented by formula (3). R1-NHCONH-R2-NHCONH-R3 (1) (In formula (1), R2 represents a divalent aromatic hydrocarbon group having 6-15 carbon atoms; and R1 and R3 may be the same as or different from each other, and each represents an alkyl group having 8-22 carbon atoms, a cyclohexyl group or an aryl group having 6-12 carbon atoms.) (In formula (3), R6 and R7 may be the same as or different from each other, and each represents a branched alkyl group having 10-26 carbon atoms, and the ratio of the number of moles of alkyl groups, in which carbon atoms linked to phenyl rings are quaternary carbon atoms, relative to the total number of moles of the branched alkyl groups is 40-95% by mole; and m and n represent real numbers of 0 or more satisfying 1.0 ≤ m + n ≤ 3.0.)
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
F16C 33/66 - Special parts or details in view of lubrication
51.
ROLLING BEARING AND GREASE COMPOSITION TO BE USED THEREIN
A rolling bearing in which multiple rolling elements are disposed between an inner ring and an outer ring in such a state that the rolling elements can roll and which is filled with a grease composition that is obtained by adding three kinds of rust preventives to a base oil consisting of at least one mineral or synthetic oil and exhibiting a kinematic viscosity of 200 to 400mm2/s at 40ºC and that exhibits a cone penetration of 300 to 400 and a yield stress at 40ºC of 150Pa or less, said three kinds of rust preventives being a carboxylic acid-based rust preventive, a carboxylic salt-based rust preventive and an amine-based rust preventive.
C10M 141/06 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic nitrogen-containing compound
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease-filled b earing filled with a grease composition containing a thickener which is a diurea compound represented by R1-NHCONH-R2-NHCONH-R3 or a mixture thereof and a base oil containing alkyl diphenyl ether oil and c ontaining poly α-olefin oil as an optional component at a mass ratio of 40:60 to 100:0 (alkyl diphenyl ether oil:poly α-olefin oil). In general formula (1), at least one of R1 and R3 is a C6-12 aromatic hydrocarbon group and the other is a C6-12 aromatic hydrocarbon group or a C6-20 aliphatic hydrocarbon group. R2 is a C6-15 aromatic hydrocarbo n group.
F16C 33/66 - Special parts or details in view of lubrication
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 169/02 - Mixtures of base-materials and thickeners
F16C 19/28 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
F16C 23/08 - Ball or roller bearings self-adjusting
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
This rolling device is filled with a grease composition which comprises both a base oil that exhibits a kinematic viscosity of 15 to 80mm2/s at 40°C and a thickening agent that comprises a mixture of lithium 12-hydroxystearate with a lithium salt of a C6-12 fatty acid and which exhibits a dropping point of 190 to 240°C and a yield stress of 1.2 to 5kPa. Thus, a lowering in torque and an improvement in acoustic service life are achieved.
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 117/04 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen containing hydroxy groups
C10M 169/02 - Mixtures of base-materials and thickeners
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a grease composition for a hub unit bearing containing: (a) a base oil containing an oil blend of a hydrocarbon-based synthetic oil and an ester-based synthetic oil as a base oil, the ratio of the ester-based synthetic oil to a total of 100 parts by mass of the hydrocarbon-based synthetic oil and the ester-based synthetic oil being 20-50 parts by mass, and the kinematic viscosity at 40°C being 20-80 mm2/s; and (b) a urea compound as a thickener.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
A grease composition for a rolling bearing for electrical/auxiliary equipment of a vehicle, said composition being characterised by containing: a base oil having an alkyl diphenyl ether oil as an essential component; a diurea thickener represented by a formula (1); an organic sulfonate-based rust-inhibitor and a load-bearing additive as peel-resistant additives; and an anti-oxidant (in the formula (1), R2 represents a divalent aromatic hydrocarbon group having a carbon number of 6-15. One of R1 and R3 is a cyclohexyl, and the other is a cyclohexyl, an alkyl group having a carbon number of 8-22, or an aromatic hydrocarbon group having a carbon number of 6-12).
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 129/28 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
A grease composition for constant velocity joints which comprises the following components: (a) a base oil, (b) a thickener, (c) a montan wax, (d) a zinc sulfonate, and (e) a sulfurized molybdenum dialkyldithiocarbamate.
C10M 163/00 - Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 159/06 - Waxes, e.g. ozocerite, ceresine, petrolatum or slack-wax
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition containing a thickening agent and a base oil, wherein the base oil contains (a) a hydrocarbon oil extracted from Botryococcus braunii and/or a hydrocarbon oil obtained by hydrogenating (b) the hydrocarbon oil.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
F16C 33/66 - Special parts or details in view of lubrication
F16H 57/04 - Features relating to lubrication or cooling
The present invention provides a composition for a cold and heat storage agent, containing paraffin as a base, and at least one selected from the group consisting of an organic inhibitor and a passivator as an agent for preventing hydrogen generation.
C09K 5/06 - Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice-versa
B60H 1/08 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant from cooling liquid of the plant from other radiator than main radiator
The present invention provides a grease composition which contains (a) a base oil, (b) a thickening agent, (c) a compound represented by formula (1) and having an alkylthiocarbamoyl group, (d) a hindered phenol antioxidant and (e) a metal deactivation agent. (In formula (1), each of R1, R2, R3 and R4 independently represents an alkyl group having 1-20 carbon atoms; and X represents S, S-S, S-CH2-S, S-CH2CH2-S or S-CH2CH2CH2-S.)
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16C 19/02 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
F16C 19/22 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
61.
LUBRICANT BASE OIL FOR FLUID DYNAMIC BEARING, LUBRICANT FOR FLUID DYNAMIC BEARING CONTAINING LUBRICANT BASE OIL FOR FLUID DYNAMIC BEARING, AND SPINDLE MOTOR PROVIDED WITH LUBRICANT FOR FLUID DYNAMIC BEARING
The present invention provides a lubricant base oil for fluid dynamic bearing, which contains a diester of an aliphatic dihydric alcohol and an aliphatic monocarboxylic acid. The aliphatic dihydric alcohol is a linear or branched chain dihydric alcohol having 9 or more carbon atoms, and the aliphatic monocarboxylic acid is a linear aliphatic monocarboxylic acid having 7 or more carbon atoms. The lubricant base oil has a kinematic viscosity at 100°C of 2.70-3.00 mm2/s and a viscosity index of 160 or more.
The present invention provides a lubricating grease composition containing the following components (a) and (b). (a): an ionic liquid, in which the anion is bis(trifluoromethylsulfonyl)imide; (b): a diurea compound represented by formula (1), as a thickener. R1NH-CO-NH-R2-NH-CO-NH-R3 (1) (In the formula, R2 represents a C6-15 aromatic hydrocarbon group. R1 and R3 are either mutually identical or different and each represents a C6-12 aromatic hydrocarbon group, a C6-12 alicyclic hydrocarbon group, or a C8-20 linear alkyl group, and the ratio of aromatic hydrocarbon groups among R1 and R3 is 50-100 mol%). This lubricating grease composition can be favorably used even in an ultra-high vacuum and at high temperatures of 200°C-300°C.
C10M 169/02 - Mixtures of base-materials and thickeners
C10M 105/72 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing sulfur, selenium or tellurium
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 133/06 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
63.
GREASE COMPOSITION FOR EV/HEV DRIVE MOTOR BEARING, AND EV/HEV DRIVE MOTOR BEARING
The present invention provides a grease composition for an EV/HEV drive motor bearing, the composition containing: a diurea thickener of formula (A) as well as a base oil containing at least 80 mass% of trimethylolpropane ester oil per the total mass of base oil, the dynamic viscosity of the base oil at 40°C being 15 to 50 mm2/s. (In the formula, R2 represents a C6-15 divalent aromatic hydrocarbon group. R1 and R3 are the same or different groups, and represent a C16-20 linear or branched alkyl group or cyclohexyl group, the proportion of the number of moles of the C16-20 linear or branched alkyl group relative to the sum of the numbers of moles of the C16-20 linear or branched alkyl group and the cyclohexyl group [{(number of alkyl groups)/(number of cyclohexyl groups + number of alkyl groups)} ×100] being 60 to 80%.) This grease composition has a long bearing lubrication lifespan even at high temperature/high speed conditions, and satisfies low-temperature fluidity.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
F16C 33/66 - Special parts or details in view of lubrication
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a grease composition for a rolling bearing for automotive electrical equipment or automotive auxiliary equipment, the grease composition being characterized by containing a base oil having an alkyldiphenyl ether oil as an essential component, containing a diurea compound represented by formula (1) as a thickening agent and containing an organic sulfonate-based rust inhibitor and a load-bearing additive, as anti-peeling additives. (In the formula R2 denotes a diphenylmethane group. R1 and R3 may be the same or different and each denotes an aromatic hydrocarbon group having 6 to 12 carbon atoms.) This grease composition has a long bearing lubrication life even in a high temperature environment, has excellent peeling resistance and is sealed in a rolling bearing for automotive electrical equipment or auxiliary equipment.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16C 33/66 - Special parts or details in view of lubrication
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/10 - Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
65.
GREASE COMPOSITION AND GREASE-PACKED ROLLING BEARING
The invention provides a grease composition for motor rolling bearings that supports the rotor of a motor, which comprises a pentaerythritol ester base oil with a kinematic viscosity at 40°C of 20 - 55 mm2/s and 7 - 13 mass% of a diurea thickener represented by formula (A), and comprises a rust inhibitor selected from the group consisting of polyhydric alcohol ester rust inhibitors and organic sulfonate rust inhibitors: Formula (A) (In the formula, R2 represents a C6-15 divalent aromatic hydrocarbon group. R1 and R3 represent cyclohexyl groups or straight or branched C16-20 alkyl groups, and the ratio of the number of moles of cyclohexyl groups to the total number of moles of cyclohexyl groups and straight or branched C16-20 alkyl groups [{(no. of cyclohexyl groups)/(no. of cyclohexyl groups + no. of straight or branched C16-20 alkyl groups)} × 100] is 60 - 90 mol%.) This grease composition limits the occurrence of unusual noises at low temperature, satisfies requirements for low torque over a broad temperature range, has long bearing lubrication life even at high temperatures, and has excellent resistance to varnish corrosion.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
F16C 33/66 - Special parts or details in view of lubrication
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a lubricating oil composition which comprises (A) one or more zinc dithiophosphates represented by formula (1) in an amount of 0.1 to 1.5 mass% relative to the whole mass of the composition and in terms of zinc, (B) a calcium sulfonate in an amount of 0.3 to 3.0 mass% relative to the whole mass of the composition and in terms of calcium, and (C) a base oil. In the formula, R1, R2, R3 and R4 may be the same or different and are each C3-10 primary or secondary alkyl or C6-10 aryl.
C10M 163/00 - Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
The present invention provides a grease composition which comprises a thickening agent and a base oil, wherein the thickening agent is a diurea compound represented by formula (1) and the proportion of the thickening agent in the grease composition is 3-20 mass%. (In formula (1), R2 represents a diphenylmethane group. R1 and R3 may be the same or different and each represent a cyclohexyl group or a linear or branched C8-22 alkyl group. In formula (1), the proportion of the number of moles of cyclohexyl groups to the total number of moles of cyclohexyl groups and alkyl groups [{(number of cyclohexyl groups)/((number of cyclohexyl groups)+(number of alkyl groups))}×100] is 70-80 mol%.)
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
F16C 33/66 - Special parts or details in view of lubrication
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention provides a lubricating grease composition for a machine tool equipped with an automatic grease supply device, which contains a base oil having a kinematic viscosity at 40˚C of 10-200 mm2/s and 0.1-10% by mass of a solid powder that is not soluble in the base oil, and which has a worked penetration of 400-500. This lubricating grease composition can be supplied by an automatic grease supply device that is attached to a machine tool and is capable of suppressing the occurrence of stick-slip in a sliding surface lubrication part of the machine tool.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
B23Q 11/12 - Arrangements for cooling or lubricating parts of the machine
C10M 105/70 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen as ring hetero atom
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The invention provides a grease composition containing: (A) a base oil that is a blend oil of a synthetic hydrocarbon oil and a highly purified mineral oil with a pour point of -35°C or less, wherein the mass ratio is 100:0-30:70; (B) a thickening agent represented by formula (1) R1-NHCONH-R2-NHCONH-R3 (1) (In the formula, R2 represents a C6-15 divalent aromatic hydrocarbon group. R1 and R3 are the same or different groups and represent cyclohexyl groups or C8-18 straight or branched alkyl groups, and [{(no. of moles of the alkyl groups)/(no. of moles of the alkyl groups + no. of moles of cyclohexyl groups)}x100] = 30-100%); and (C) an alkenyl succinic anhydride and/or an organic zinc sulfonate. This grease composition has excellent low torque properties and anti-rust properties.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/34 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
C10M 129/42 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms polycarboxylic
C10M 135/10 - Sulfonic acids or derivatives thereof
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
The present invention pertains to a metalworking fluid which comprises (A) at least one compound that is selected from the group consisting of hydroxy acids, polycondensates thereof, and products of dehydrative condensation between hydroxy acids or polycondensates thereof and fatty acids and that has an acid value of 60 to 360mgKOH/g, (B) an amine having an alicyclic group or an aromatic cyclic group, and (C) a base oil. This metalworking fluid can ensure excellent cutting, excellent compatibility with adhesives (excellent adhesion), and excellent corrosion protection of aluminum or aluminum alloys.
C10M 107/50 - Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
C10M 129/44 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms containing hydroxy groups
C10M 129/76 - Esters containing free hydroxy or carboxyl groups
C10M 133/04 - Amines, e.g. polyalkylene polyaminesQuaternary amines
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
According to the present invention a grease composition for a hub unit bearing is provided which comprises (a) an aromatic diurea thickening agent, (b) a base oil, (c) a metal salt of an oxidized wax, (d) a diphenyl hydrogen phosphate, and (e) at least one type of an antirust agent selected from a group consisting of a sulfonate and a carboxylic acid anti-rust agent. This grease composition has excellent fretting resistance at low temperature and has excellent rust resistance.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/28 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 143/18 - Oxidised hydrocarbons, i.e. oxidised subsequent to macromolecular formation
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
72.
LUBRICANT COMPOSITION WITH EXCELLENT RUST INHIBITING PROPERTIES AND WITH AN IONIC LIQUID AS A BASE OIL
Disclosed is a lubricant composition which contains: (A) an ionic liquid with anions represented by expression 1 or 2 below; (Rf1－SO2)(Rf2－SO2)N- Expression 1 (Rf3)(Rf3)(Rf3)PF3- Expression 2 (In expression 1, Rf1 and Rf2 may be the same or different and represent F, CF3, C2F5, C3F7 or C4F9. In expression 2, the Rf3's may be the same or different and represent CF3, C2F5, C3F7 or C4F9.) and (B) 0.1-5.0 mass% of a fatty acid amine salt. The disclosed lubricant composition is capable of use in high or ultra-high vacuums or at high temperatures, and has excellent rust inhibiting properties.
C10M 105/56 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen
C10M 105/50 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen
C10M 105/70 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing nitrogen as ring hetero atom
C10M 105/72 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing sulfur, selenium or tellurium
C10M 105/74 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing phosphorus
C10M 113/00 - Lubricating compositions characterised by the thickener being an inorganic material
C10M 129/32 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms monocarboxylic
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
C10M 169/02 - Mixtures of base-materials and thickeners
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 40/00 - Specified use or application for which the lubricating composition is intended
C10N 40/06 - Instruments or other precision apparatus, e.g. damping fluids
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Disclosed is a grease composition characterized by containing a base oil, a thickener and a rust preventive agent, wherein the rust preventive agent comprises an organic sulfonate and a fatty acid amine salt. The grease composition has excellent anti-rust properties and places little burden on the environment.
C10M 169/04 - Mixtures of base-materials and additives
C10M 129/28 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
C10M 133/04 - Amines, e.g. polyalkylene polyaminesQuaternary amines
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
74.
GREASE COMPOSITION FOR BALL-TYPE CONSTANT VELOCITY JOINTS
Disclosed is a grease composition for constant velocity joints, which contains the following components (a to h): (a) a base oil; (b) a diurea-based thickening agent; (c) a zinc dialkyldithiophosphate; (d) a molybdenum dialkyldithiocarbamate; (e) a melamine cyanurate; (f) a calcium carbonate; (g) a zinc dialkyldithiocarbamate; and (h) a sulfur/nitrogen-based extreme pressure additive. The grease composition for constant velocity joints improves abrasion resistance and flaking resistance, by the combination of additives.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 125/10 - Metal oxides, hydroxides, carbonates or bicarbonates
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
75.
GREASE COMPOSITION FOR HUB UNIT BEARING EQUIPPED WITH ANGULAR CONTACT BALL BEARING, AND HUB UNIT BEARING
Disclosed is a grease composition for a hub unit bearing equipped an angular contact ball bearing, which comprises (a) a thickening agent that is a mixture of diurea compounds respectively represented by the following formulae (I) to (III): (I) R1-NHCONH-R2-NHCONH-R1, (II): R1-NHCONH-R2-NHCONH-R3 and (III): R3-NHCONH-R2-NHCONH-R3 (wherein R1 represents a cyclohexyl group, R2 represents a C6-15 bivalent aromatic hydrocarbon group; and R3 represents a C12-20 linear or branched alkyl group, wherein {R1/(R1+R3)}×100 = 85 to 95 mol%), (b) a base oil, (c) a molybdenum dialkyldithiocarbamate, and (d) calcium sulfonate. The grease composition can reduce the leakage of a grease in a hub unit bearing and has excellent peeling resistance and an excellent bearing lubrication life.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A flame retardant grease composition which comprises at least one thickening agent selected from the group consisting of metal soap-based thickening agents and urea-based thickening agents, a base oil consisting of a mineral oil that exhibits a kinematic viscosity of 300 to 1000mm2/s at 40°C, and a sulfur-based load-carrying additive that contains neither metal nor phosphorus, said load-carrying additive containing a sulfurized olefin as the essential component. The flame retardant grease composition has a higher ignition temperature than that of a conventional grease composition, and exhibits improved load-carrying properties and self -extinguishing properties, thus reducing the risk of fire in ironmaking facilities or the like.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16C 33/66 - Special parts or details in view of lubrication
F16H 57/04 - Features relating to lubrication or cooling
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
77.
GREASE COMPOSITION FOR BEARING OF WIND POWER GENERATOR
Provided is a grease composition for the bearings of wind power generators, the composition comprising a lube base oil that has a dynamic viscosity at 40ºC of 10-70 mm2/s and a pour point of -40ºC or lower and a diurea compound, e.g., a diurea compound represented by formula (1), as a thickener. (In formula (1), R1 and R2 each is a C8 alkyl.) The grease composition for the bearings of wind power generators can accommodate not only fatigue life (peeling life) but also seizing life and pumpability.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/10 - Sulfonic acids or derivatives thereof
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Provided is a grease composition that contains: (a) a base oil; (b) a lithium soap thickener; (c) at least one species of metal stearate selected from a group comprising calcium stearate, magnesium stearate, and zinc stearate; (d) molybdenum dialkyldithiocarbamate sulfide; and (e) zinc dialkyldithiocarbamate sulfide. Also provided is a constant-velocity joint, such as a Birfield joint (BJ), a double offset joint (DOJ), or a tripod joint (TJ), with the provided grease composition sealed inside. The provided composition is highly abrasion-resistant and is suitable for use in constant-velocity joints.
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
F16D 3/205 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
F16D 3/224 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a sphere
F16D 3/227 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines of each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
79.
METAL WORKING OIL, METHOD OF METAL WORKING, AND PRODEUCT OF METAL WORKING
Provided is a metal working oil which comprises (A) a base oil comprising 2-ethylhexanol palmitate or stearate and (B) an anionic active agent comprising a salt of a C8-18 branched aliphatic carboxylic acid with a C3-12 branched alkanolamine. The metal working oil has excellent suitability for cutting, less-foaming properties, concentrate stability, emulsion stability, and hydrolytic resistance and has low dynamic viscosity at low temperatures.
C10M 133/08 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
Disclosed is a grease composition comprising a base oil, a thickening agent and an additive. The grease composition is characterized in that the base oil has a kinematic viscosity of 50 to 200 mm2/s at 40˚C, the thickening agent comprises a diurea compound represented by general formula (I): R1-NHCONH-R2-NHCONH-R3 (wherein R2 represents a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and R1 and R3 are the same as or different from each other and independently represent a cyclohexyl group, or a linear or branched alkyl group having 8 to 22 carbon atoms), the additive is at least one component selected from the group consisting of a metal salt of naphthenic acid, a salt of a fatty acid having 6 to 10 carbon atoms and an aliphatic amine having 6 to 10 carbon atoms, and a metal salt of an organic sulfonic acid. The composition exhibits excellent fretting resistance at a temperature ranging from ambient temperature to a lower temperature (e.g., -50°C, preferably about -40°C).
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/00 - Specified use or application for which the lubricating composition is intended
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
81.
GREASE COMPOSITION FOR CONSTANT VELOCITY JOINTS, AND CONSTANT VELOCITY JOINT
Disclosed is a grease composition for constant velocity joints, which comprises the following components: (a) a base oil; (b) a diurea thickening agent; (c) at least one oily component selected from the group consisting of palm olein, palm stearin and glycerin monooleate; (d) a molybdenum dialkyldithiocarbamate sulfide represented by the following formula: (R3R4N-CS-S)2-Mo2OmSn (wherein R3 and R4 independently represent an alkyl group having 1 to 24 carbon atoms; m represents 0 to 3; and n represents 4 to 1, wherein the sum total of m and n is 4 (i.e., m+n = 4)); (e) zinc sulfionate; and (f) a sulfur-phosphorus-type extreme pressure additive. The grease composition for constant velocity joints can lubricate a constant velocity joint with high efficiency to reduce abrasion and prevent the generation of vibrations.
C10M 169/06 - Mixtures of thickeners and additives
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/76 - Esters containing free hydroxy or carboxyl groups
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 137/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Disclosed is a grease composition comprising a thickening agent, a base oil and an antistatic agent, wherein the antistatic agent comprises at least one component selected from the group consisting of Li(CF3SO2)2N and Li(CF3SO2)3C. Also disclosed is a mechine component in which the grease composition is included. The composition has excellent antistatic properties and acoustic performance.
C10M 135/08 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium containing a sulfur-to-oxygen bond
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/04 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen containing hydroxy groups
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Provided is a grease composition which enables mechanical parts to operate smoothly even under wide temperature conditions, and which exhibits excellent sound attenuation effect for mechanical parts. A grease composition comprising a thickening agent and a base oil, characterized in that: the base oil comprises at least one kind of first base oil selected from among poly-α-olefins and ethylene-α-olefin oligomers and at least one kind of second base oil selected from among polybutene, polyisobutylene, polymethacrylates, and styrene copolymers; the content of the first base oil exceeds 65mass% relative to the total base oil, while the content of the second base oil is 1mass% or higher but less than 35mass% relative thereto; and the kinematic viscosities of the base oil, the first base oil, and the second base oil at 40°C are 350 to 1400mm2/s, 300 to 1200mm2/s, and 1500 to 200000mm2/s, respectively.
C10M 107/12 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation containing aromatic monomer, e.g. styrene
C10M 107/28 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
C10N 20/04 - Molecular weightMolecular weight distribution
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/06 - Instruments or other precision apparatus, e.g. damping fluids
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
84.
LUBRICANT COMPOSITION, SPEED REDUCTION DEVICE, AND ELECTRIC POWER STEERING DEVICE
Provided is a lubricant composition, which in addition to being low-friction and inert with respect to polyamide resins, and the like, has excellent heat resistance and shows no reduction in or loss of any of said properties in a short amount of time when used under a high-temperature environment in particular. Also provided are a speed reduction device that uses this composition and a power steering device. The lubricant composition comprises a synthetic hydrocarbon oil, a urea thickener, lead stearate, and a sulfur antioxidant. Said lubricant composition is filled in a speed reduction device (18) at the part where a small gear (19) and a large gear (20) mesh. By means of an electric power steering device (1), the speed of the output from an electric motor (17) for auxiliary steering is reduced and transmitted to a steering mechanism (9) via the speed reduction device (18).
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition suitable for being sealed in a rolling bearing which is lubricated at a high temperature, and a bearing in which the grease composition is sealed. Specifically disclosed is a grease composition containing a base oil, a urea thickening agent and an additive, which is characterized in that the additive contains an overbased metal sulfonate and the overbased metal sulfonate content is 0.05-1.00% by mass relative to the total amount of the grease composition. Also specifically disclosed is a bearing in which the grease composition is sealed.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
F16C 33/66 - Special parts or details in view of lubrication
C10N 20/00 - Specified physical properties of component of lubricating compositions
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Provided are a grease composition which does not cause rusting even when water, emulsions and the like are admixed therewith in a bearing, and a bearing in which said grease composition has been packed. The grease composition contains a base oil, a thickener and a rust-inhibitor, wherein the thickener contains a calcium sulfonate complex and the rust-inhibitor contains at least one type of rust inhibitor selected from the group comprising specified sulfonate-based rust inhibitors and fatty acid amine salt-based rust inhibitors, and the bearing is packed with said grease composition.
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/10 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing sulfur
C10M 125/22 - Compounds containing sulfur, selenium or tellurium
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
C10M 133/06 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
C10M 135/10 - Sulfonic acids or derivatives thereof
C10M 159/24 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Provided is a low-friction sliding member which includes a sliding part having excellent wearing resistance and can stably have excellent frictional properties throughout sliding. Also provided is a method of sliding. The sliding member comprises: a sliding part coated with a diamond-like carbon material; and a lubricant disposed on the diamond-like carbon material. The sliding member is characterized in that the lubricant comprises an amine salt represented by formula (1) and/or an amine salt represented by formula (2). In formulae (1) and (2), R1, R2, R3, R4, and R5 are the same or different and each represents hydrogen or a C1-24 hydrocarbon group.
A grease for a high-speed bearing which can sufficiently accommodate high-speed rotation with a dmN value of 1,700,000 or above and which enables compactification of machine tools and operating cost reduction, more specifically, a grease for high-speed bearings which comprises both a urea grease containing a urea compound as the thickening agent and a non-urea grease containing a composite amide lithium soap having an amide linkage in the molecule as the thickening agent, wherein the urea compound is a compound prepared by reacting a polyisocyanate component with a monoamine component, with the monoamine component containing an aliphatic monoamine in an amount of 46% by mole or above of the whole monoamine component.
C10M 123/02 - Lubricating compositions characterised by the thickener being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a non-macromolecular compound
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16C 33/66 - Special parts or details in view of lubrication
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 139/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups
C10N 10/00 - Metal present as such or in compounds
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
89.
GREASE COMPOSITION FOR CONSTANT VELOCITY JOINT AND CONSTANT VELOCITY JOINT
Disclosed is a grease composition which improves durability and temperature control performance of a constant velocity joint, while having reduced low-temperature rotary torque. A constant velocity joint in which the grease composition is hermetically enclosed is also disclosed. The grease composition for constant velocity joints contains the following components (a)-(e). (a) a base oil containing a synthetic oil (b) a thickening agent (c) zinc dithiophosphate (d) sulfurized molybdenum dialkyldithiocarbamate (e) zinc dialkyldithiocarbamate
C10M 169/04 - Mixtures of base-materials and additives
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
A grease composition which can lengthen the life of bearings even under high temperature environment and exhibits excellent acrylic rubber resistance; and bearings prelubricated with the composition. A grease composition comprising a thickening agent and a base oil, characterized in that the base oil contains a synthetic hydrocarbon oil, that the content of the synthetic hydrocarbon oil in the base oil is 20mass% or above based on the whole base oil, that the content of ester oil in the base oil is 20mass% or below based on the whole base oil, and that the thickening agent consists of a diurea compound represented by general formula (I); and bearings prelubricated with the composition: (I) R1-NHCONH-R2-NHCONH-R3 wherein R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms; R1 and R3 are the same or different and are each cyclohexyl, or linear or branched alkyl having 8 to 18 carbon atoms; and the molar ratio of cyclohexyl to the sum of R1 and R3 is 60 to 95%.
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
F16C 33/66 - Special parts or details in view of lubrication
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
91.
LUBRICATING AGENT COMPOSITION AND MECHANICAL MEMBER
Provided is a lubricating agent composition suitable for reducing hydrogen embrittlement separation of a member used under conditions in which an oil film is thin (conditions of extensive metal contact). A lubricating agent composition used in lubrication of steel mechanical members engaged in rolling or rolling-sliding motion, including a base oil and an additive, the additive containing an organic sulfonate rust preventive and a load-resistant additive.
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
C10M 107/02 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
92.
WATER-SOLUBLE PROCESSING OIL FOR FREE-ABRASIVE-GRAIN WIRE SAW
A water-soluble processing oil for free-abrasive-grain wire saws which, when used in cutting a high-hardness brittle material such as silicon, attains high accuracy of processing and high processing efficiency and causes no problems, e.g., foaming. Also provided are: a slurry comprising the oil and free abrasive grains; and a method of cutting a brittle material such as silicon with the oil or the slurry. The water-soluble processing oil for free-abrasive-grain wire saws comprises (A) 5-80 mass% glycerol, (B) 3-60 mass% diethylene glycol and/or propylene glycol, (C) 0.3-20 mass% aromatic polycarboxylic acid salt, (D) 3-30 mass% polyhydric alcohol derivative, and (E) 3-88.7 mass% water. The slurry, which comprises the oil and abrasive grains, is for use in cutting.
B28D 5/04 - Fine working of gems, jewels, crystals, e.g. of semiconductor materialApparatus therefor by tools other than of rotary type, e.g. reciprocating tools
C10M 105/14 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms polyhydroxy
C10M 129/52 - Carboxylic acidsSalts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring polycarboxylic
C10M 133/08 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/22 - Metal working with essential removal of material
93.
WATER-SOLUBLE CUTTING FLUID FOR LOOSE ABRASIVE TYPE WIRE SAW SLICING MACHINES, SLURRY AND CUTTING PROCESS
The invention provides a water-soluble cutting fluid for loose abrasive type wire saw slicing machines which is free from the problem that during or after the slicing of an ingot into silicon wafers with a loose abrasive type wire saw slicing machine, a part of the wafers fall from a slicing table to break and which attains excellent slicing accuracy; a slurry containing both the cutting fluid and loose abrasive grains; and a process for cutting a brittle material with the slurry. A water-soluble cutting fluid for loose abrasive type wire saw slicing machines which comprises (A) propylene glycol, (B) diethylene glycol, (C) a dicarboxylic acid salt, (D) an adduct of alkylene glycol with alkylene oxide, and (E) water, wherein the (B)/(A) ratio is 1.50 to 1.80; a cutting slurry which comprises the cutting fluid and abrasive grains; and a process for cutting a brittle material with the slurry.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/22 - Metal working with essential removal of material
94.
WATER-SOLUBLE WORKING OIL FOR FIXED-ABRASIVE WIRE SAW
A water-soluble working oil for fixed-abrasive wire saws which imparts excellent cutting properties in the cutting of a hard work made of, e.g., glass, sapphire, ceramic, silicon, or neodymium with a fixed-abrasive wire saw. The oil can thus improve cutting efficiency. The oil causes no problem concerning, e.g., bubbling. The water-soluble working oil for fixed-abrasive wire saws is characterized by comprising (A) an alkylene oxide adduct of an organic amine, (B) an aliphatic carboxylic acid, (C) a basic substance, and (D) water. Also provided are: a method of processing a hard work with the oil; and a product of hard-work processing obtained by the hard-work processing method.
C10M 125/10 - Metal oxides, hydroxides, carbonates or bicarbonates
C10M 129/32 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms monocarboxylic
C10M 129/40 - Carboxylic acidsSalts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
C10M 133/06 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
C10M 133/08 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
A grease composition for constant-velocity joint that is inexpensive and is improved in flaking resistance without the use of environment load substances; and a constant-velocity joint hermetically filled with the same. There is disclosed a grease composition for constant-velocity joint comprising: (a) a base oil, (b) a diurea thickening agent, (c) a zinc dialkyldithiophosphate, (d) a molybdenum dialkyldithiocarbamate sulfide, (e) a zinc dialkyldithiocarbamate, and (e) a sulfur-nitrogen extreme pressure additive. Further, there is disclosed a constant-velocity joint hermetically filled with the same.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
F16D 3/20 - Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 135/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
A grease for bearings which shows improved penetration into lubrication parts and enables bearings to have a long life even in a high-temperature environment. It is a grease composition which comprises a base oil and a thickener and is characterized in that the base oil comprises a synthetic ester oil, the content of the synthetic ester oil being 20 mass% or higher based on the whole base oil, and the thickener comprises a diurea compound represented by the following general formula (I). (I) R1-NHCONH-R2-NHCONH-R3 In the formula, R2 represents a C6-15 divalent aromatic hydrocarbon group;and R1 and R3 are the same or different and each represents cyclohexyl or C8-22 linear or branched alkyl, provided that the proportion of the number of moles of the cyclohexyl groups to the total number of moles of the cyclohexyl groups and the C8-22 linear or branched alkyl groups is 60-95%.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Disclosed is a grease composition excellent in fretting resistance and versatility. Also disclosed is a machine part using such a grease composition. Specifically disclosed is a grease composition containing a urea thickening agent, a base oil, a phophorothioate compound and an amine compound. Also specifically disclosed is a machine part using such a grease composition.
C10M 169/06 - Mixtures of thickeners and additives
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 133/04 - Amines, e.g. polyalkylene polyaminesQuaternary amines
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
Disclosed is a grease composition containing a large amount of a thickening agent, which enables to efficiently prevent separation for a long time, while exhibiting excellent influx property. Also disclosed is a machine member having such a grease composition sealed therein. Specifically disclosed is a grease composition containing a thickening agent and a base oil. This grease composition is characterized in that the thickening agent contains a diurea compound represented by the following formula (I). (I) R1-NHCONH-R2-NHCONH-R3 In the formula, R1 and R3 represent a phenyl group and/or a cyclohexyl group; R2 represents a divalent hydrocarbon group having 6-15 carbon atoms; and the ratio (molar ratio) of cyclohexyl group/(cyclohexyl group + phenyl group) of R1 and R3 is within the range of 0.95-0.10.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10N 50/10 - Form in which the lubricant is applied to the material being lubricated semi-solidForm in which the lubricant is applied to the material being lubricated greasy
99.
HOT ROLLING OIL FOR STEEL MEMBER AND METHOD FOR HOT ROLLING STEEL MEMBER
Disclosed is a hot rolling oil which enables to reduce a rolling cost by effectively decreasing a rolling load when a steel member is heated and rolled within a temperature range of 200-1200˚C. Also disclosed is a method for hot rolling a steel member by using such a hot rolling oil. Specifically disclosed is a hot rolling oil containing a base oil and at least one polymer selected from the group consisting of isobutylene homopolymers and isobutylene copolymers having a number average molecular weight of 8,000-100,000. Also specifically disclosed is a method for hot rolling a steel member, which is characterized in that the hot rolling oil is fed by a water injection system.
C10M 143/06 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing butene
B21B 27/10 - Lubricating, cooling, or heating rolls externally
B21B 29/00 - Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls
C10N 20/04 - Molecular weightMolecular weight distribution
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
C10N 40/24 - Metal working without essential removal of materialPunching metal
Disclosed is a water-soluble metalworking fluid having excellent decay resistance, which is widely applicable to metalworking such as cutting, grinding, form rolling, pressing and plastic working. Also disclosed is a metalworking method using such a metalworking fluid. Specifically disclosed are a metalworking fluid characterized by containing a morpholine compound and an isothiazoline compound, and a metalworking method using such a metalworking fluid.
C10M 141/08 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
patents
