A propylene glycol monomethyl ether acetate composition containing propylene glycol 1-monomethyl ether 2-acetate, acetic acid, propionic acid, and water, wherein the propionic acid content is 2-30 ppm with respect to 100 mass% of the propylene glycol monomethyl ether acetate composition, the total content of the acetic acid and the propionic acid is 5-80 ppm with respect to 100 mass% of the propylene glycol monomethyl ether acetate composition, and the water content is 17-250 ppm with respect to 100 mass% of the propylene glycol monomethyl ether acetate composition.
A propylene glycol monomethyl ether acetate composition containing propylene glycol 1-monomethyl ether 2-acetate and acetic acid, said propylene glycol monomethyl ether acetate composition optionally containing formic acid and/or propionic acid, wherein the total content of the acetic acid, the propionic acid, and the formic acid is 5-60 ppm with respect to 100 mass% of the propylene glycol monomethyl ether acetate composition, and the amount of dissolved oxygen (%) in the propylene glycol monomethyl ether acetate composition is 30.0% or less with respect to the saturated dissolved oxygen content of water at atmospheric pressure and 25° C.
This propylene glycol monomethyl ether acetate composition contains propylene glycol 1-monomethyl ether 2-acetate, and has an absorbance of 0.030 or less at 259 nm as measured after the propylene glycol monomethyl ether acetate composition has been submitted to the following test. (Test) The propylene glycol monomethyl ether acetate composition is heated to 80°C in a container made of borosilicate glass in a nitrogen atmosphere, and kept in that condition for 275 hours.
A 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol in which the t-butyl alcohol concentration in terms of toluene-d8 measured by gas chromatography-olfactometry/mass spectrometry under the conditions below exceeds 0 ppb by volume and is 200 ppb by volume or less is provided. The composition is excellent in sulfuric acid coloring evaluation,
A 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol in which the t-butyl alcohol concentration in terms of toluene-d8 measured by gas chromatography-olfactometry/mass spectrometry under the conditions below exceeds 0 ppb by volume and is 200 ppb by volume or less is provided. The composition is excellent in sulfuric acid coloring evaluation,
(Measurement Conditions)
The 3,5,5-trimethylhexanoic acid composition is concentrated, and
The concentrated sample is measured by gas chromatography-olfactometry using a column using dimethylpolysiloxane as a stationary phase, and the structure of a measured component is analyzed with a mass spectrometry detector.
C07C 53/128 - Acids containing more than four carbon atoms the carboxyl group being bound to a carbon atom bound to at least two other carbon atoms, e.g. neo-acids
A61K 8/36 - Carboxylic acidsSalts or anhydrides thereof
A product 1, 3-butylene glycol, in which, in a gas chromatography analysis by a splitless injection method under specific conditions, when a relative retention time of n-dodecane is regarded as 1.00, a sum of n-dodecane equivalent concentrations of peaks that appear within a relative retention time range of 0.80 to 0.99, excluding a peak of an acetal form between methyl ethyl ketone and 1, 3-butylene glycol, is 25 ppm or less.
A method for producing a product 1,3-butylene glycol, including a step of subjecting crude 1,3-butylene glycol to hydrogenation treatment using a Pd/C catalyst.
A 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol in which the t-butyl alcohol concentration in terms of toluene-d8 measured by gas chromatography-olfactometry/mass spectrometry after heating in an air atmosphere at 80° C. for four weeks under the conditions below exceeds 0 ppb by volume and is 400 ppb by volume or less is provided. The composition has low reproductive toxicity even after long-term storage:
A 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol in which the t-butyl alcohol concentration in terms of toluene-d8 measured by gas chromatography-olfactometry/mass spectrometry after heating in an air atmosphere at 80° C. for four weeks under the conditions below exceeds 0 ppb by volume and is 400 ppb by volume or less is provided. The composition has low reproductive toxicity even after long-term storage:
(Measurement Conditions)
the 3,5,5-trimethylhexanoic acid composition is concentrated, and
the concentrated sample is measured by gas chromatography-olfactometry using a column using dimethylpolysiloxane as a stationary phase, and the structure of a measured component is analyzed with a mass spectrometry detector.
C10M 105/12 - 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 monohydroxy
C10M 105/24 - Carboxylic acids or their salts having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
A production method of high-purity 1,3-butylene glycol including a step of performing a heat treatment for an initial feed liquid containing 1,3-butylene glycol. The method also includes a step of removing low-boiling components that are contained in any one or more of a treated liquid and a treated vapor after the heat treatment by distillation, wherein a content of a base in the initial feed liquid in the step of performing the heat treatment is less than 0.2 mass %.
C07C 29/84 - SeparationPurificationStabilisationUse of additives by physical treatment by distillation by extractive distillation
9.
3,5,5-TRIMETHYLHEXANOIC ACID COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION, AND METHOD FOR IMPROVING SULFURIC ACID DISCOLORATION OF SAID COMPOSITION
Provided is a 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol, wherein the t-butyl alcohol concentration in terms of deuterated toluene measured by gas chromatography-olfactometry/mass spectrometry under the following conditions is more than 0 volume ppb and 200 volume ppb or less. The composition is excellent in sulfuric acid discoloration evaluation. (Measurement conditions) The 3,5,5-trimethylhexanoic acid composition is concentrated. The concentrated sample is measured by gas chromatography-olfactometry using a column in which a stationary phase is dimethylpolysiloxane, and structural analysis of the measurement components is performed by a mass spectrometry detector.
C07C 53/126 - Acids containing more than four carbon atoms
C07C 51/64 - SeparationPurificationStabilisationUse of additives
G01N 27/62 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode
Provided is a 3,5,5-trimethylhexanoic acid composition containing 3,5,5-trimethylhexanoic acid and t-butyl alcohol, wherein the concentration of t-butyl alcohol in terms of deuterated toluene by gas chromatography-olfactometry/mass spectrometry after heating for four weeks at 80°C in an air atmosphere is from more than 0 volume ppb to 400 volume ppb. The composition has low reproductive toxicity even when stored for a long period of time. (Measurement conditions). • The 3,5,5-trimethylhexanoic acid composition is concentrated. • The concentrated sample is measured by gas chromatography-olfactometry using a column in which the stationary phase is dimethylpolysiloxane, and structural analysis of the measurement components is performed by a mass spectrometry detector.
C07C 53/126 - Acids containing more than four carbon atoms
G01N 27/62 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode
The present invention provides a composition which contains a specific diglycidyl ether, has a reduced total amount of chlorine, and has excellent insulation reliability. The present invention pertains to a composition which contains a chlorine-containing compound and a diglycidyl ether represented by formula (1), wherein the total amount of chlorine is 900 ppm or less. In formula (1), X represents an alkylene group having 9 to 11 carbon atoms.
C07D 303/27 - Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds having all hydroxyl radicals etherified with oxirane containing compounds
C07D 301/28 - Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms by reaction with hydroxyl radicals
C08G 59/04 - Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof
A propylene glycol monomethyl ether acetate product containing propylene glycol 1-monomethyl ether 2-acetate, acetic acid, and water, wherein a content of the acetic acid is 5 ppm or more and 50 ppm or less based on 100% by mass of the propylene glycol monomethyl ether acetate product, and a content of the water is 20 ppm or more and 250 ppm or less based on 100% by mass of the propylene glycol monomethyl ether acetate product.
The present invention relates to a method for producing a glycopeptide comprising steps of: denaturing the Fc region of an avian antibody; and degrading the denatured Fc region with a proteolytic enzyme; wherein the glycopeptide is a glycodipeptide or glycotripeptide.
C07K 5/093 - Tripeptides the side chain of the first amino acid containing more carboxyl groups than amino groups, or derivatives thereof, e.g. Asp, Glu, Asn
C07K 1/107 - General processes for the preparation of peptides by chemical modification of precursor peptides
C07K 5/072 - Dipeptides the side chain of the first amino acid containing more carboxyl groups than amino groups, or derivatives thereof, e.g. Asp, Glu, Asn
C07K 16/18 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans
The present invention relates to a method that comprises passing a mixture, the mixture containing two or more glycopeptides selected from glyco-amino acids and glyco-oligopeptides, through reversed phase liquid chromatography to separate the glycopeptides according to the number of amino acids from the mixture.
The present invention pertains to a method for isolating, by passing a mixture containing a glycoamino acid and at least one glycooligopeptide through an anion exchange resin, the glycooligopeptide and the glycoamino acid from the mixture.
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
09 - Scientific and electric apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Glycan; glycopeptides; glycoprotein; protein for industrial
use; enzymes for industrial purposes; glyco reagents;
diagnostic reagents for scientific or research use;
biological preparations, other than for medical or
veterinary purposes; chemicals for use in industry and
science. Diagnostic reagents for medical use. Biochips; laboratory apparatus and instruments. Custom manufacture of glycan or glycopeptides; custom
manufacture of protein for industrial use; custom
manufacture of chemicals for use in industry and science;
custom manufacture of biopharmaceuticals. Research, testing and analysis services in the field of
glycan or glycopeptides; chemistry services; research and
development of new products for others.
a dinitrophenylhydrazine derivative of a carbonyl compound having 4 to 6 carbon atoms is contained as a component that corresponds to the peaks that appear within the relative retention time range of 4.4 to 12.0.
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Glycan for use in the manufacture of pharmaceuticals, chemicals, foods, cosmetics and reagents; glycopeptide for use in the manufacture of pharmaceuticals, chemicals, foods, cosmetics and reagents; glycoprotein for use in the manufacture of pharmaceuticals, chemicals, foods, cosmetics and reagents; protein for industrial use; enzymes for industrial purposes; glyco reagents for use in the manufacture of pharmaceuticals, chemicals, foods, cosmetics and reagents; diagnostic reagents for scientific or research use; biological preparations, other than for medical or veterinary purposes; chemicals for use in industry and science Diagnostic reagents for medical use. Custom manufacture of glycan or glycopeptides; custom manufacture of protein for industrial use; custom manufacture of chemicals for use in industry and science; custom manufacture of biopharmaceuticals. Biochips for research or scientific purposes; laboratory apparatus and instruments for synthesizing and analyzing N-glycan structures for use in biotherapeutics research, API manufacturing and diagnosis, not for medical use Research, testing and analysis services in the field of the use of glycan or glycopeptides in the manufacture of pharmaceuticals, chemicals, foods, cosmetics, and reagents; chemistry consultation services; research and development of new products for others
A method for producing 3,5,5-trimethylhexanal by allowing diisobutylene (DIB), carbon monoxide and hydrogen to react with one another in the presence of a cobalt-based catalyst, comprising: a step of allowing DIB to react with carbon monoxide and hydrogen in the presence of a cobalt-based catalyst until a convention of DIB reaches 50 to 85% (first stage reaction step); a step of separating unreacted DIB from a reaction product obtained in the first stage reaction step (unreacted DIB separation step); and a step of allowing the unreacted DIB separated to react with carbon monoxide and hydrogen in the presence of a cobalt-based catalyst (second stage reaction step).
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
C07C 51/16 - Preparation of carboxylic acids or their salts, halides, or anhydrides by oxidation
Provided is a 1,3-butylene glycol product such that, when the relative retention time of n-dodecane is taken to be 1.00 in gas chromatography analysis carried out using a splitless injection method under specific conditions, the sum of concentrations in terms of n-dodecane of peaks excluding a peak of an acetal product of methyl ethyl ketone and 1,3-butylene glycol is 25 ppm or less, among peaks that appear within a relative retention time of 0.80-0.99.
The present invention relates to a complex-type sugar asparagine derived from an avian antibody and having a bisecting GlcNAc structure and a core fucose structure (wherein the Asn residue may be protected), and a method for producing the same.
A product 1,3-butylene glycol, in which 2,4-dinitrophenylhydrazine derivatives of 2-(hydroxyethyl)-2,6-dimethyl-1,3-dioxane have a weight proportion of 90 ppm or less, as calculated from a sum of absorbance of peaks thereof in an HPLC analysis under specific conditions after specific sample preparation.
C07C 29/09 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
C07C 29/74 - SeparationPurificationStabilisationUse of additives
C07C 29/80 - SeparationPurificationStabilisationUse of additives by physical treatment by distillation
C07C 29/84 - SeparationPurificationStabilisationUse of additives by physical treatment by distillation by extractive distillation
C07C 29/86 - SeparationPurificationStabilisationUse of additives by physical treatment by liquid-liquid treatment
23.
METHOD FOR PRODUCING HIGH-PURITY 1,3-BUTYLENE GLYCOL
This method for producing a high-purity 1,3-butylene glycol includes: a step for heat-treating a preparation fluid containing 1,3-butylene glycol; a step for removing, by distillation, a low-boiling-point substance included in at least the treated fluid or the treated vapor which has been subjected to the heat-treatment. The content of the base in the preparation fluid in the heat treatment step is less than 0.2 mass%.
Provided is a method for producing product 1,3-butylene glycol, the method comprising a step for performing a hydrogenation treatment on crude 1,3-butylene glycol using a Pd/C catalyst.
Provided are: a high-purity pentacyclopentadecane dimethanol product in which, when liquid chromatography analysis is performed thereon under particular conditions, the area ratio of a total area of peaks appearing in the relative holding time range of 0.70-0.95 with respect to the entire peak area is at most 1.00%, when the relative holding time of the peak of pentacyclopentadecane dimethanol is defined as 1.00, and that is therefore colorless and transparent, and is less likely to be colored due to heating; and a simple production method for the pentacyclopentadecane dimethanol product.
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
C07C 47/115 - Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing rings containing condensed ring systems
The present invention relates to a method for producing a glycopeptide, the method including a step for modifying an Fc region of an avian antibody, and a step for lysing the modified Fc region using a proteolytic enzyme, and the glycopeptide being a glycodipeptide or glycotripeptide.
C12P 21/06 - Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
C07K 1/12 - General processes for the preparation of peptides by hydrolysis
C07K 9/00 - Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequenceDerivatives thereof
C07K 14/465 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from animalsPeptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from humans from vertebrates from birds
C07K 16/02 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies from eggs
Provided is product 1,3-butylene glycol for which the sum of the absorbance area values of peaks appearing within a range of relative retention times of 4.4-12.0 is 1000 or less, where the relative retention time of 2,4-dinitrophenylhydrazine is set at 1.0, in HPLC analysis under specific conditions after performing specific sample preparation, the product 1,3-butylene glycol including a dinitrophenylhydrazine derivative of a C4-6 carbonyl compound as a component corresponding to a peak appearing within the range of relative retention times of 4.4-12.0.
A product 1,3-butylene glycol which has a weight proportion of 90 ppm or less as calculated from the sum of the peak absorbances of a 2,4-dinitrophenylhydrazine derivative of 2-(hydroxyethyl)-2,6-dimethyl-1,3-dioxane in an HPLC analysis under specific conditions after the preparation of a specific sample.
A method for reacting diisobutylene (DIB) with carbon monoxide and hydrogen in the presence of a cobalt catalyst to produce 3,5,5-trimethylhexanal, wherein the method for producing 3,5,5-trimethylhexanal includes a step (first stage reaction step) for reacting DIB with carbon monoxide and hydrogen in the presence of the cobalt catalyst until the DIB conversion rate reaches 50-85%, a step (unreacted DIB separation step) for separating unreacted DIB from the reaction product obtained in the first stage reaction step, and a step (second stage reaction step) for reacting the separated unreacted DIB with carbon monoxide and hydrogen in the presence of the cobalt catalyst.
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
C07C 47/02 - Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
C07C 29/38 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones
C08F 299/06 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/67 - Unsaturated compounds having active hydrogen
The present invention provides: a method for producing 3-hydroxymethyltetracyclo[4. 4. 0. 12, 5. 17, 10]dodecane, which is characterized by subjecting tetracyclo[4. 4. 0. 12, 5. 17, 10]-3-dodecene to a hydroformylation reaction and subsequently to a hydrogenation reaction; and the like.
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
C07C 31/137 - Monohydroxylic alcohols containing saturated rings polycyclic with condensed ring systems
C07C 45/49 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reaction with carbon monoxide
C07C 47/347 - Saturated compounds having —CHO groups bound to carbon atoms of rings other than six-membered aromatic rings polycyclic having a —CHO group on a condensed ring system
Provided is a refrigerating machine oil composition for a refrigerant consisting of difluoromethane, the composition comprising a polymer (A) below and an ester (B) of polyhydric alcohol(s) with aliphatic monocarboxylic acid(s).
The polymer (A): a polymer which is obtained by polymerizing monomer(s) consisting of at least one monomer of monosubstituted ethylenes and disubstituted ethylenes, and in which a ratio of a monomer represented by the following general formula (I):
2 is 2 to 5, is 75 to 100% by mass based on a total mass of monomers constituting the polymer.
C09K 9/00 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
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
C10M 111/04 - Lubricating compositions characterised by the base-material 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 macromolecular organic compound
C10M 169/04 - Mixtures of base-materials and additives
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
C10M 107/32 - Condensation polymers of aldehydes or ketonesPolyestersPolyethers
34.
Refrigerating machine oil composition and working fluid composition for refrigerating machine using same
Provided is a refrigerating machine oil composition for a mixed refrigerant comprising difluoromethane, the composition comprising a polymer (A) below and an ester (B) of polyhydric alcohol(s) with aliphatic monocarboxylic acid(s).
The polymer (A): a polymer which is obtained by polymerizing monomer(s) consisting of at least one monomer of monosubstituted ethylenes and disubstituted ethylenes, and in which a ratio of a monomer represented by the following general formula (I):
2 is 2 to 14, is 75 to 100% by mass based on a total mass of monomers constituting the polymer.
C10M 169/04 - Mixtures of base-materials and additives
F25B 1/00 - Compression machines, plants or systems with non-reversible cycle
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
35.
REFRIGERATOR OIL COMPOSITION AND WORKING FLUID COMPOSITION FOR REFRIGERATOR USING SAME
Provided is a refrigerator oil composition for a refrigerant comprising difluoromethane, the refrigerator oil composition containing polymer (A) below and an ester (B) of a polyvalent alcohol and an aliphatic monocarboxylic acid. Polymer (A) is a polymer obtained by polymerizing a monomer comprising at least one of a monosubstituted ethylene and a disubstituted ethylene, wherein the ratio of a monomer represented by general formula (I) [in the formula, R1 represents a C1-5 alkyl group, R2 represents hydrogen or a C1-4 alkyl, where the sum of the carbon atoms of R1 and the carbon atoms of R2 is 2-5] with respect to the entire quantity of the monomers that constitute the polymer is 75-100% by mass.
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 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
Provided is a refrigerator oil composition for a mixed refrigerant containing difluoromethane, the refrigerator oil composition containing polymer (A) below and an ester (B) of a polyvalent alcohol and an aliphatic monocarboxylic acid. Polymer (A): a polymer obtained by polymerizing a monomer comprising at least one of a monosubstituted ethylene and a disubstituted ethylene, wherein the ratio of a monomer represented by general formula (I) [in the formula, R1 represents a 1-14 alkyl group, R2 represents hydrogen or a 1-4 alkyl group, and the sum of carbon atoms of R1 and carbon atoms of R2 is 2-14] with respect to the entire quantity of the monomers that constitute the polymer is 75-100% by mass.
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 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
To provide hexaester of bispentaerythritol monoformal, which is a mixed ester of bispentaerythritol monoformal represented by the following formula (I), and carboxylic acids:
wherein the carboxylic acids comprise C9 branched aliphatic monocarboxylic acid, and any one of carboxylic acids selected from C4 to C8 aliphatic monocarboxylic acids. The hexaester is used as one component of a refrigerant oil composition, and gives excellent characteristics, such as oxidation stability, lubricity, and low temperature properties, to a refrigerant oil composition.
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
38.
ESTER OF PENTAERYTHRITOL AND ISOTRIDECANOIC ACID USED THEREFOR
Provided are an ester of isotridecanoic acid and pentaerythritol,etc., wherein (i) the kinematic viscosity at 40°C is in the range of 80-140 mm2/sec. and (ii) the number of terminal methyl groups per molecule of isotridecanoic acid in the isotridecanoic acid obtained by 1H-NMR measurement is in the range of 2.6-3.4 on average.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C07C 53/126 - Acids containing more than four carbon atoms
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
39.
REFRIGERATING-MACHINE OIL COMPOSITION AND WORKING FLUID COMPOSITION INCLUDING SAME FOR REFRIGERATING MACHINE
The present invention provides a refrigerating-machine oil composition which comprises the following ester additive (a) and the following ester base oil (b), the content of the ester additive (a) being 5-45 mass% with respect to the total amount of the refrigerating-machine oil composition. Ester additive (a): At least one ester of isotridecanoic acid with pentaerythritol Ester base oil (b): Polyhydric-alcohol esters comprising esters of two or more aliphatic monocarboxylic acids selected from among C4-9 aliphatic monocarboxylic acids with pentaerythritol.
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
Provided is hexaester of bispentaerythritol monoformal, which comprises the bispentaerythritol monoformal represented by the following formula (I), and any one of carboxylic acids selected from C8 and C9 branched aliphatic monocarboxylic acids:
The hexaester has well-balanced excellent characteristics, such as low temperature properties and oxidation stability, and is used for industrial lubricating oil, such as a refrigerant oil composition.
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
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerantsMaterials for the production of heat or cold by chemical reactions other than by combustion
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
The present invention provides a mixed ester of pentaerythritol or a mixed polyhydric alcohol and carboxylic acids; the mixed polyhydric alcohol consisting of pentaerythritol and dipentaerythritol represented by formula (I), and the carboxylic acids comprising 2-ethylhexanoic acid and 2-propylheptanoic acid. The mixed ester exhibits excellent properties (e.g., miscibility with a refrigerant that comprises fluoropropene, low-temperature fluidity, and lubricity) in a well-balanced manner while having the viscosity within the range required for a refrigerant oil, and may be used in an industrial lubricant (e.g., refrigerant oil) and the like.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
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
Provided is a refrigerator oil which comprises an ester of a polyhydric alcohol comprising pentaerythritol and/or dipentaerythritol represented by formula (I) and 2-propylheptanoic acid, and is characterized in that the refrigerator oil can be used in combination with a cooling medium comprising 1,3,3,3-tetrafluoropropene (HFO-1234ze). When the refrigerator oil is used in combination with a cooling medium comprising HFO-1234ze, excellent compatibility with the cooing medium, lubricity, thermal/chemical stability and the like can be achieved.
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
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
Provided is a plasticizer for a vinyl chloride resin, which comprises an ester mixture of pentaerythritol and a carboxylic acid mixture, said plasticizer being characterized in that the carboxylic acid mixture is a carboxylic acid mixture composed of isobutyric acid and an aliphatic monocarboxylic acid having 8 or 9 carbon atoms and the content ratio of isobutyric acid in the carboxylic acid mixture ranges from 35 to 65 mol%. The plasticizer for a vinyl chloride resin can impart excellent properties including flexibility, heat resistance, a low smoke evolution property and an electrical insulation property to a vinyl chloride resin in a balanced manner.
Provided is a hexaester of mono-formal bis pentaerythritol and the like, which comprises the mono-formal bis pentaerythritol represented by formula (I), and one type of carboxylic acid selected from a branched aliphatic monocarboxylic acid with a carbon number of 8 or 9. The hexaester balances the excellent performance of low temperature characteristics, oxidant stability, etc. well, and is used as an industrial lubricant etc. such as a refrigerant oil composition.
Provided is a hexaester of mono-formal bis pentaerythritol and the like, which is a mixed ester of the mono-formal bis pentaerythritol represented by formula (I), and carboxylic acid, said carboxylic acid comprising one type of carboxylic acid selected from among a branched aliphatic monocarboxylic acid with a carbon number of 9, and an aliphatic monocarboxylic acid with a carbon number of 4 to 8. The hexaester is used as one component, or the like, of a refrigerant oil composition, and provides the refrigerant oil composition with excellent performance such as oxidation stability, lubricating properties, and low temperature characteristics.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
The present invention provides an ester mixture produced from pentaerythritol or a polyhydric alcohol mixture composed of pentaerythritol and dipentaerythritol represented by formula (I) and a carboxylic acid component comprising 2-ethylhexanoic acid and 2-propylheptanoic acid. The ester mixture has a good balance among excellent properties including compatibility with cooling mediums each containing fluoropropene, fluidability at lower temperatures and lubricity while being kept at a viscosity falling within a range required for use as a refrigerant oil, and therefore can be used as a lubricant oil for industrial use such as a refrigerant oil and the like.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three 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 mixed ester prepared from pentaerythritol, pentanoic acid, 2-methylbutyric acid and 3,5,5-trimethylhexanoic acid, characterized in that: (1) the dispersion degree (X), which indicates the distribution of 15 pentaerythritol tetraesters that constitute the mixed ester, is 1.0 to 2.5; (2) the average ClogP value of 15 pentaerythritol tetraesters that constitute the mixed ester is 9.0 to 13.0; and (3) a mixture obtained by mixing the mixed ester with a difluoromethane refrigerant at a (mixed ester/refrigerant) weight ratio of 90:10 exhibits a lower-temperature-side separation temperature of -10 to -60°C, said separation temperature being a temperature at which the mixture is separated into two layers. The mixed ester exhibits excellent compatibility with a difluoromethane refrigerant while ensuring excellent low-temperature characteristics and a viscosity range necessary for refrigerating machine oils, thus being useful as a refrigerating machine oil or the like.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
The present invention provides a mixed ester of: pentaerythritol or a mixed polyalcohol comprising pentaerythritol and a dipentaerythritol indicated in formula (I); and a carboxylic acid containing a 3,5,5-trimethylhexanoic acid and a 2-propylheptanoic acid. This mixed ester has a good balance of excellent characteristics, such as compatibility with a coolant containing fluoropropene, low temperature properties, oxidation stability, oxidation/hydrolytic stability, and lubrication, etc.; maintains the required viscosity range for a refrigerant oil; and can be used as an industrial lubricant for refrigerant oil, etc.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C07C 69/003 - Esters of saturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
The present invention provides a mixed ester of a mixed polyhydric alcohol comprising pentaerythritol and dipentaerythritol which is represented by formula (I), and a carboxylic acid that contains isobutyric acid. The molar ratio of the pentaerythritol and the dipentaerythritol (pentaerythritol/dipentaerythritol) in the mixed polyhydric alcohol is between 98/2 and 40/60, and the proportion of isobutyric acid in the carboxylic acid is 35 to 85 mol.%. The mixed ester, while maintaining a viscosity range required for a refrigerator oil, exhibits excellent lubricating properties and excellent compatibility with a difluoromethane refrigerant, and can be used as a refrigerator oil and the like.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three 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 pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids consist of isobutyric acid and 3,5,5-trimethylhexanoic acid and the molar ratio of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acids is 36/64 to 80/20. The pentaerythritol tetraester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties.
Provided is a complex compound which is composed of a compound represented by formula (I), a metal and at least one kind of ion that is selected from the group consisting of ions obtained by adding one or more protons to amines, ammonium ion and quaternary ammonium ions, and which is used in an optical recording medium that has excellent recording/reproducing characteristics and the like. (In the formula, R1, R2, R3 and R4 may be the same or different and each represents a hydrogen atom, an optionally substituted amino group, an optionally substituted alkoxyl group or the like; R5 represents a hydrogen atom or the like; and ring A represents an optionally substituted heterocyclic ring that is selected from the group consisting of a tetrazole ring and the like.)
C07D 257/06 - Five-membered rings with nitrogen atoms directly attached to the ring carbon atom
C07D 263/58 - BenzoxazolesHydrogenated benzoxazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
G11B 7/243 - Record carriers characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
G11B 7/244 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only
The present invention provides a tetraester of pentaerythritol, which is used as a refrigerator oil and the like, said refrigerator oil having excellent compatibility with difluoromethane refrigerants, while ensuring a viscosity range necessary for refrigerator oils. The tetraester of pentaerythritol is a mixed ester of pentaerythritol and a carboxylic acid, and the carboxylic acid is composed of 3-methylbutanoic acid and 3,5,5-trimethylhexanoic acid, or alternatively composed of 3-methylbutanoic acid, 3,5,5-trimethylhexanoic acid and at least one kind of carboxylic acid that is selected from among isobutyric acid, pentanoic acid, 2-methylbutanoic acid and 2-methylpentanoic acid.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
Provided is a tetraester of pentaerythritol that is a mixed ester of pentaerythritol and carboxylic acid, the carboxylic acid containing butyric acid, 3,5,5-trimethylhexanoic acid, and aliphatic carboxylic acid having 5-7 carbon atoms, to be used in refrigerant oil and the like having excellent compatibility and the like with difluoromethane refrigerant.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
The present invention provides a tetraester of pentaerythritol, the tetraester being a mixed ester of pentaerythritol and carboxylic acid, and being used in refrigerant oils and the like having excellent low-temperature fluidity, excellent stability, and the like in a balanced manner. The carboxylic acid contains isobutyric acid, 3,5,5-trimethylhexanoic acid, and C4-7 linear aliphatic monocarboxylic acid.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
Provided is a tetraester of pentaerythritol, which is a mixed ester of pentaerythritol and a carboxylic acid that contains isobutyric acid and 2-ethylhexanoic acid, and wherein the molar ratio of the isobutyric acid to the 2-ethylhexanoic acid in the carboxylic acid (isobutyric acid/2-ethylhexanoic acid ratio) is within the range from 36/64 to 83/17. The tetraester of pentaerythritol is applicable to a refrigerator oil and the like, said refrigerator oil having excellent compatibility with a difluoromethane refrigerant, and the like.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
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
Provided is a composition that is used in a refrigerating machine oil or the like having superior compatibility and the like with difluoromethane refrigerant, and that contains: (A) a tetraester of pentaerythritol and a carboxylic acid comprising isobutyric acid and 3,5,5-trimethylhexanoic acid, and (B) a diester of neopentyl glycol and a carboxylic acid containing isobutyric acid and/or 3,5,5-trimethylhexanoic acid.
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
Provided is a tetraester of pentaerythritol that is a mixed ester of pentaerythritol and a carboxylic acid comprising isobutyric acid and 3,5,5-trimethylhexanoic acid, has a mole ratio (the ratio: isobutyric acid/3,5,5-trimethylhexanoic acid) of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acid that is in the range of 36/64 to 80/20, and is used in refrigeration machine oils and the like having superior compatibility and the like with difluoromethane refrigerant.
C07C 69/33 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with hydroxy compounds having more than three hydroxy groups
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
Provided is a diester of neopentyl glycol which is an ester of neopentyl glycol and a carboxylic acid that contains isobutyric acid and 2-ethylhexanoic acid and/or 3,5,5-trimethylhexanoic acid. The diester of neopentyl glycol is applicable to a refrigerator oil and the like, said refrigerator oil having excellent compatibility with a difluoromethane refrigerant, and the like.
C07C 69/28 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with dihydroxylic compounds
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
The present invention provides a complex compound and the like having excellent resistance to moist heat or the like and which is used for an optical recording medium, and which comprises: a compound represented by general formula (I) [In the formula, R1 represents an optionally substituted alkyl group or the like, R2 represents a cyano group or the like, R3 represents an optionally substituted alkyl group or the like, R4 represents a hydrogen atom or the like, and R5 represents formula (III)(in the formula, ring A represents an optionally substituted heterocyclic ring, and the heterocyclic ring is selected from a pyrimidine ring, a tetrazole ring, etc.) or the like]; metal; and one type selected from a group consisting of an ion generated by one or more protons being added to an amine, an ammonium ion and a quarternary ammonium ion.
C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
Provided are metal complexes of squarylium compounds that have excellent record-playback characteristics, are used in optical recording media and are represented by Formula (I) [in the formula, R1 represents an aryl group that may have a substituting group. R2 represents an alkyl group that may have a substituting group. R3 represents an alkyl group that may have a substituting group. Either R4 or R5 represents a hydrogen atom and the other represents Formula (II)(in the formula, R6 represents an aryl group that may have a substituting group)].
C07D 231/22 - One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
Disclosed is a complex compound, and the like, comprising: the compound represented by formula (I) (wherein: R1 and R3 are the same or different and represent a hydrogen atom, an alkyl group that may have a substituent group, an aryl group that may have a substituent group, or the like; R2 represents an alkyl group that may have a substituent group, an aryl group that may have a substituent group, or the like; and R4 represents formula (III) (wherein ring A may further have a substituent group), or the like) used in an optical recording medium and having excellent resistance to moist heat and the like; a metal; and at least one ion selected from the group consisting of ammonium ions, quaternary ammonium ions, and ions generated by at least one proton being added to an amine.
C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
Disclosed is an oil additive containing a phosphate ester compound represented by the belowmentioned formula (I) [in the formula, L1, L2, and L3 are the same or different and represent an optionally substituted alkyl, an optionally substituted aryl, the belowmentioned formula (II) (in the formula: Q represents an alkylene or the like having a carbon number of 1-6; n represents 0 or 1; and R1, R2, and R3 are the same or different and represent a hydrogen atom, an optionally substituted alkyl, an optionally substituted alkenyl, or the like, however R1 and R2 do not simultaneously represent a hydrogen atom), or the like, and at least one of L1, L2, and L3 represents formula II].
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
