The present invention aims to provide spherical particles satisfying the requirements concerning “hydrochloric acid-soluble matter” and “soluble barium salt” described in the standard of “Barium sulfate” in “The Japanese Standards of Quasi-Drug Ingredients 2021”. The present invention relates to spherical composite particles of barium sulfate and silica with the following features: when the spherical composite particles are subjected to a purity test concerning “hydrochloric acid-soluble matter and soluble barium salt” described in the standard of “Barium sulfate” in “The Japanese Standards of Quasi-Drug Ingredients 2021”, the spherical composite particles contain a hydrochloric acid-soluble matter in an amount of 15 mg or less, and a test liquid used in the test concerning “soluble barium salt” has an absorbance of less than 0.03.
The present invention provides a composition capable of forming a primer layer having high transparency and a high refractive index. The present invention pertains to a primer layer–forming composition containing an elemental zirconium–containing metal oxide (A) and an aqueous urethane resin (B), wherein: the elemental zirconium–containing metal oxide (A) has an average particle diameter of 1-20 nm as measured by means of a dynamic light scattering method; the pH of a 30 mass% aqueous dispersion of the elemental zirconium–containing metal oxide (A) is 8-11; and the elemental silicon content is 20 mol% or less with respect to 100 mol% of the elemental zirconium in (A).
Disclosed is a method for producing barium titanate particles, the method including: a step (i) for preparing titanium hydroxide by simultaneously neutralizing an aqueous solution of titanium halide and an alkaline substance under specific conditions; a step (ii) for preparing a slurry of the titanium hydroxide; a step (iii) for preparing a titanium compound by adding a predetermined amount of an inorganic acid and a predetermined amount of an organic acid to the slurry and subsequently holding the resulting slurry at a temperature within the range of 40-90°C; and a step (iv) for synthesizing barium titanate particles by means of hydrothermal synthesis using a starting material that contains the titanium compound. The titanium compound contains amorphous titanium hydroxide and anatase-type titanium dioxide. The specific surface area of the titanium compound is 250 m2/g or more.
The present invention provides a method for producing a zirconium oxide powder excellent in dispersibility in an organic solvent or a resin. The present invention is a method for producing a zirconium oxide powder, the production method being characterized by comprising: a first step for preparing a dispersion by mixing feedstocks including zirconium oxide, a phosphate represented by general formula (1) (in formula (1), R1 represents an alkyl group having 1-6 carbon atoms, M represents a hydrogen atom, a metal atom, or an organic base, n is a number from 1 to 8, and k is 1 or 2), and a solvent; and a second step for spray-drying the dispersion obtained in the first step.
C09C 3/08 - Treatment with low-molecular-weight organic compounds
C09C 1/00 - Treatment of specific inorganic materials other than fibrous fillers Preparation of carbon black
C09D 201/00 - Coating compositions based on unspecified macromolecular compounds
5.
ZINC OXIDE PARTICLES EACH HAVING SURFACE COATED WITH ORGANOSILICON, METHOD FOR PRODUCING SAME, COSMETIC PREPARATION, DISPERSION, HEAT DISSIPATING FILLER AND RESIN COMPOSITION
To provide zinc oxide particles having a surface coated with organosilicon, the particles exhibiting a high dispersibility and excellent water repellency. Zinc oxide particles having a surface coated with organosilicon, the zinc oxide particles having a primary particle size of 0.1 μm or less as measured based on a transmission electron micrograph, and a median size based on a volume of 0.15 μm or less, where the median size is determined by charging the powder in isopropyl alcohol, dispersing the powder by application of ultrasonic wave with a rated output of 600 W and an oscillation amplitude of 100% generated by an ultrasonic homogenizer at a normal temperature for 30 seconds, and measuring the dispersion by a laser diffraction scattering method.
Provided is an acid gas treatment agent and an acid gas treatment method which, in order to reduce the frequency of regeneration treatment of the treatment agent, employ an Mg-Al-based layered double hydroxide that has high adsorption capacity with respect to an acid substance and a long breakthrough time. An acid gas treatment agent according to the present invention comprises an Mg-Al-based layered double hydroxide that has an average pore diameter of not less than 30 nm as measured by a nitrogen gas adsorption method and that has a sulfate ion content of not more than 1 mass%.
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
B01D 53/82 - Solid phase processes with stationary reactants
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemical screening agents from ultraviolet rays; chemical
shielding agents from ultraviolet rays; chemical additives
for use in the manufacture of cosmetics; industrial
chemicals; glue and adhesives for industrial purposes;
chemical compositions for developing and printing
photographs; priming putty; oil cement [putty]; unprocessed
plastics for industrial use; synthetic resins, unprocessed;
artificial resins, unprocessed.
(1-x)x33 (wherein A represents Ca or Sr, and x is a number that satisfies 0.00 < x ≤ 0.30), and which is also characterized in that the CV value expressed by the ratio ((standard deviation of particle diameter)/(average particle diameter) × 100) of the standard deviation of particle diameter to the average particle diameter (circle-equivalent diameter) as determined by the observation with a scanning electronic microscope is 20% or less.
The present invention provides a composition for coating which is excellent in stability over time and exhibits excellent transparency when being formed into a coating film. The composition for coating contains a zirconium element-containing metal oxide (A), and a silane compound (B), wherein the zirconium element-containing metal oxide (A) has a zeta potential value as measured by the following method of 30 mV or higher:
a 10-mass % zirconium element-containing metal oxide (A) water dispersion is measured at room temperature (25° C.) by a laser doppler electrophoresis method.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemical screening agents from ultraviolet rays, namely, chemical additives for use in the manufacture of cosmetics; chemical shielding agents from ultraviolet rays, namely, chemical additives for use in the manufacture of cosmetics; chemical additives for use in the manufacture of cosmetics; industrial chemicals; adhesives and glues for industrial purposes; photographic developers; photographic emulsions; photographic fixers; photographic sensitizers; priming putty, namely, oil cement putty; priming oil cement putty; oil cement putty; unprocessed plastics for industrial use; unprocessed synthetic resins; unprocessed artificial resins
11.
FATTY ACID-TREATED ZINC OXIDE PARTICLES, METHOD FOR PRODUCING SAME, AND DISPERSION AND COSMETIC HAVING SAME BLENDED THEREIN
2122) at 1500-1600 cm-111) at 1350-1500 cm-13433) at 1700-1720 cm-144) at 1750-1800 cm-1 is 1.2 or less; the primary particle diameter measured using a transmission electron microscope is 0.1 μm or less; and when a dispersion liquid is prepared by introducing a powder of the particles into isopropyl alcohol and dispersing the powder by radiating ultrasonic waves for one minute at room temperature by using an ultrasonic homogenizer at a rated output of 600 W and a vibration amplitude of 100%, the mode diameter of the dispersion liquid is 0.30 μm or less based on volume as determined through a laser diffraction scattering method.
5050 in a particle size distribution measurement to the primary-particle diameter determined from the specific surface area, (secondary-particle diameter)/(primary-particle diameter), is 100 or greater.
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
13.
BARIUM SULFATE-CONTAINING SPHERICAL PARTICLES AND TEXTURE-IMPROVING AGENT AND COSMETIC USING SAME
The present invention provides a cosmetic that is excellent in ease-to-take properties and spreadability on the skin when applied by rubbing with a sponge or puff upon use and shows reduced stickiness, and thus achieves a good feeling upon use. The present invention relates to barium sulfate-containing spherical particles that are obtained by surface-treating surface-untreated barium sulfate-containing spherical particles with 1 to 10 mass% of a fatty acid relative to the amount of the surface-untreated barium sulfate-containing spherical particles, said barium sulfate-containing spherical particles being characterized in that a molded product produced by molding the barium sulfate-containing spherical particles has a needle penetration load of 100 mN or more.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Titanium oxides; industrial chemicals; glue and adhesives
for industrial purposes; chemical compositions for
developing and printing photographs; priming putty; oil
cement [putty]; unprocessed plastics for industrial use. Zinc oxide [pigment]; titanium dioxide [pigment]; litharge;
pigments; paints; dyestuffs; colorants; Canada balsam;
copal; sandarac; shellac; dammar; mordants; anti-corrosive
preparations; anti-rust preparations; mastic; pine gum; wood
preservatives; printing ink; colors for painting pictures;
anti-rust greases; nonferrous metals in foil or powder form
for painters, decorators, printers and artists; precious
metals in foil or powder form for painters, decorators,
printers and artists.
The present invention aims to provide an electrically conductive material that can have high conductivity even when it contains a smaller amount of a noble metal than usual. The present invention relates to an electrically conductive material containing rutile titanium oxide and iridium oxide on the rutile titanium oxide, a percentage of a total iridium element in the electrically conductive material being 30 mass % or less based on a total 100 mass % of the titanium oxide and the iridium, a percentage of the iridium element as measured by XPS being 30 at % or more based on a total 100 at % of the titanium element and the iridium element.
C25B 11/093 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of at least one catalytic element and at least one catalytic compoundElectrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of two or more catalytic elements or catalytic compounds at least one noble metal or noble metal oxide and at least one non-noble metal oxide
C25B 11/054 - Electrodes comprising electrocatalysts supported on a carrier
C25B 11/067 - Inorganic compound e.g. ITO, silica or titania
An object of the present invention is to provide a dispersion of a zirconium element-containing metal oxide having high transparency and low viscosity even at high concentration. The present invention relates to a method of producing a zirconium element-containing metal oxide dispersion, and the production method includes a step of heating a slurry containing a zirconium element-containing compound as a metal element-containing compound to perform a hydrothermal reaction, in which the heating in the hydrothermal reaction step is performed at a temperature rising rate of 90° C./hour or more.
The present invention provides a zirconium element-containing resin composition capable of achieving both high transparency and a high refractive index. The present invention is a zirconium element-containing resin composition containing a zirconium element-containing metal oxide (A); a dispersant (B); and a polymerizable resin (C), in which the zirconium element-containing metal oxide (A) has an average particle diameter of 20 nm or less as measured by a dynamic light scattering method, and the dispersant (B) contains a compound represented by the following formula (1), the zirconium element-containing resin composition may contain a silane coupling agent, and a content ratio of the silane coupling agent is less than 30 parts by mass with respect to 100 parts by mass of a total of the compound represented by the formula (1) and the silane coupling agent.
The present invention provides a zirconium element-containing resin composition capable of achieving both high transparency and a high refractive index. The present invention is a zirconium element-containing resin composition containing a zirconium element-containing metal oxide (A); a dispersant (B); and a polymerizable resin (C), in which the zirconium element-containing metal oxide (A) has an average particle diameter of 20 nm or less as measured by a dynamic light scattering method, and the dispersant (B) contains a compound represented by the following formula (1), the zirconium element-containing resin composition may contain a silane coupling agent, and a content ratio of the silane coupling agent is less than 30 parts by mass with respect to 100 parts by mass of a total of the compound represented by the formula (1) and the silane coupling agent.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Titanium oxides; industrial chemicals; adhesives for industrial purposes; photographic developers; photographic emulsions; photographic fixers; photographic sensitizers; priming oil cement putty; oil cement putty; unprocessed plastics for industrial use Zinc oxide being pigment; titanium dioxide being pigment; pigments; paints; dyestuffs; colorants; Canada balsam being turpentine for use as a paint thinner; copal; sandarac; shellac; dammar; mordant dyes; mastics, namely, unprocessed natural resins; pine gum being unprocessed natural resins; wood preservatives; printing inks; water color paints; oil colors; anti-rust greases; nonferrous metals in foil or powder form for use in painting, decorating, printing, and art; precious metals in foil or powder form for use in painting, decorating, printing, and art
19.
METHOD FOR ADSORBING/DESORBING CARBON DIOXIDE, AND MATERIAL FOR ADSORBING/DESORBING CARBON DIOXIDE
The present invention provides: a material for adsorbing/desorbing carbon dioxide, the material being capable of adsorbing and desorbing carbon dioxide using less energy than in the prior art; and a method for adsorbing/desorbing carbon dioxide using the aforementioned material. The present invention relates to a method for adsorbing/desorbing carbon dioxide to/from a material for adsorbing/desorbing carbon dioxide, the material including a hydrotalcite compound as a main component, wherein the method is characterized by including an adsorption step for introducing a carbon-dioxide-containing gas to an adsorbent material at 20-350°C to cause the adsorbent material to adsorb the carbon dioxide, and a desorption step for heating the adsorbent material that has been caused to adsorb the carbon dioxide through the adsorption step to 80-350°C to cause the carbon dioxide to be desorbed from the hydrotalcite compound.
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 20/12 - Naturally occurring clays or bleaching earth
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
A trained model selection method for selecting a trained model for analyzing an analysis target from among a plurality of trained models M1 to Mn, said trained model selection method selecting the trained model for the analysis target using model language vectors V1 to Vn, which are language vectors corresponding to the trained models M1 to Mn respectively, model feature quantities F1 to Fn, which are feature quantities of the trained models M1 to Mn respectively, or the degree of similarity between the analysis target and the training data that has been used for machine learning of each of the trained models M1 to Mn.
The present invention provides spherical calcium carbonate particles that exhibit excellent water repellency at high temperatures and do not become overly hard even when solidified. The present invention pertains to spherical calcium carbonate particles coated with a compound (a) having an acyl group, an amino group, and a –COOM group (wherein, M represents a hydrogen atom, an alkali metal, an ammonium group, an organic ammonium group, or an organic amine group).
The present invention provides a boron-containing silica dispersion having better dispersion stability at a high concentration, and higher binding properties between boron and silica than conventional dispersions. The present invention is a boron-containing silica dispersion containing amorphous silica particles containing boron atoms and a dispersion medium; the boron-containing amorphous silica particles having an average particle size of 10 to 100 nm, as determined from 40 particles selected at random in a transmission electron micrograph; the boron-containing silica dispersion having a solids content of 5 to 30 mass %; and the boron-containing silica dispersion having a sedimentation rate of the particles of 4% or less, when the boron-containing silica dispersion is left standing for 1000 hours, and proportions of SiO2 and B2O3 of 90.0 to 99.8 mass % and 0.2 to 10.0 mass %, respectively, in 100 mass % of a total of SiO2 and B2O3, all terms of oxide, when the boron-containing silica dispersion is subjected to ultrafiltration by the following method and dried; washing is performed by sequentially adding pure water in an amount of 6 times the volume of the boron-containing silica dispersion at a flow rate of a liquid fed of 3660 ml/minute using an ultrafiltration membrane with a fraction molecular weight of 13,000.
An amorphous silica powder comprising boron atoms. The amorphous silica powder comprising boron atoms has an average particle size from 10 to 100 nm, as determined from 40 particles selected at random in a transmission electron micrograph. The amorphous silica powder comprising boron atoms has a decrement in a boron content of 10 mass % or less, when fired under the following conditions: 5 to 10 g of a dried product of the boron-containing amorphous silica powder is filled into an alumina crucible, heated in the atmosphere at 200° C./hour to 1000° C. to 1100° C., maintained as it is for 5 hours, and cooled to room temperature.
C01B 33/193 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
24.
SPHERICAL COMPOSITE PARTICLES OF BARIUM SULFATE AND SILICA, AND PRODUCTION METHOD THEREFOR
A purpose of the present invention is to provide spherical particles which meet the requirements regarding "hydrochloric-acid solubles" and "soluble barium salts" for "barium sulfate" described in "The Japanese Standards of Quasi-Drug Ingredients 2021". The present invention relates to spherical composite particles of barium sulfate and silica, characterized by having a hydrochloric-acid soluble content, as determined by the purity test for "hydrochloric-acid solubles and soluble barium salts" as provided for in standards for "barium sulfate" according to "The Japanese Standards of Quasi-Drug Ingredients 2021", of 15 mg or less, the test liquid resulting from the test for "soluble barium salts" having an absorbance less than 0.03.
the method including: a first step of acid washing barium titanate to provide barium titanate having a ratio of barium element to titanium element of lower than 1.00; a second step of mixing the barium titanate obtained in the first step and a calcium salt or a strontium salt and drying the mixture to provide a dry mixture; and a third step of heating the dry mixture obtained in the second step.
NAATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENC AND TECHNOLOGY (Japan)
Inventor
Tsutsumi, Hiroshi
Yamashita, Daisuke
Kamon, Akihiro
Ozawa, Akiyo
Namba, Tetsuya
Javaid, Rahat
Manaka, Yuichi
Abstract
Provided is a catalyst that is free from catalyst deactivation caused by reaction of the support and exhibits good catalytic activity in an ammonia synthesis reaction in a low-temperature, low-pressure process. The present invention relates to an ammonia synthesis catalyst having a structure in which at least one of ruthenium or an oxide of ruthenium is loaded on a titanium suboxide support represented by the composition formula TiOx where x represents a number satisfying 1.5
ZINC OXIDE PARTICLES EACH HAVING SURFACE COATED WITH ORGANOSILICON, METHOD FOR PRODUCING SAME, COSMETIC PREPARATION, DISPERSION, HEAT DISSIPATING FILLER AND RESIN COMPOSITION
The present invention provides zinc oxide particles each having a surface coated with an organosilicon, the zinc oxide particles exhibiting high dispersibility and excellent water repellency. The present invention provides zinc oxide particles each having a surface coated with an organosilicon, the zinc oxide particles being characterized by having a primary particle diameter of 0.1 µm or less as determined from a transmission electron micrograph thereof, and being also characterized in that the volume-based median diameter of a dispersion thereof is 0.15 µm or less as determined by a laser diffraction/scattering method, the dispersion being obtained by putting the particles in isopropyl alcohol and irradiating the resulting isopropyl alcohol with ultrasonic waves with a rated output power of 600 W and a vibration amplitude of 100% for 30 seconds at room temperature with use of an ultrasonic wave homogenizer.
The purpose of the present invention is to provide a silica which has a low dielectric loss tangent and excellent uniform dispersibility in a resin, while achieving high safety. The present invention relates to a material for forming a filler for electronic materials, the material containing an amorphous silica wherein the peak intensity ratio (A/B) of a peak A derived from an isolated hydroxyl group to a peak B derived from a hydroxyl group forming a hydrogen bond is 1.0 to 75.0, and there is substantially no peak derived from adsorbed water in the range from 3,500 to 3,100 cm-1 in an FT-IR measurement.
The present invention provides a coating composition that has excellent stability over time, and exhibits excellent transparency when formed into a coating film. The present invention is a coating composition that comprises a zirconium element-containing metal oxide (A) and a silane compound (B), the coating composition being characterized in that the zirconium element-containing metal oxide (A) has a zeta potential value of at least 30 mV as measured by the following method. 10 mass% of a zirconium element-containing metal oxide (A) aqueous dispersion is measured at room temperature (25 °C) by using an electrophoretic laser doppler method.
xy44 (In the formula, x and y are 0 < x and y ≤ 3 and represent numbers whereby x + y = 3.); has an average particle size based on a laser diffraction-scattering method of 0.3-0.6 µm; and has a ratio of the crystallite size to the specific surface area-derived particle size (crystallite size/specific surface area-derived particle size) of at least 0.19.
C04B 35/01 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides
H01M 8/0204 - Non-porous and characterised by the material
The purpose of the present invention is to provide an electrically conductive material that exhibits high electrical conductivity at a lower noble metal quantity than in the past. The present invention is an electrically conductive material which contains rutile titanium oxide, the electrically conductive material being characterized in that: iridium oxide is present on the rutile titanium oxide; the total content of iridium element in the electrically conductive material is 30 mass% or less relative to a total of 100 mass% of titanium oxide and iridium; and the proportion of iridium element, as measured by means of XPS, is 30 atom% or more relative to a total of 100 atom% of titanium element and iridium element.
H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
C25B 11/067 - Inorganic compound e.g. ITO, silica or titania
C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
32.
METHOD FOR PRODUCING LIQUID DISPERSION OF METAL OXIDE CONTAINING ZIRCONIUM ELEMENT, AND LIQUID DISPERSION OF METAL OXIDE CONTAINING ZIRCONIUM ELEMENT
The purpose of the present invention is to provide a liquid dispersion of a metal oxide containing zirconium element, which has high transparency at a high concentration and has a low viscosity. The present invention relates to a method for producing a liquid dispersion of a metal oxide containing zirconium element, the method being characterized by including a step for performing a hydrothermal reaction by heating a slurry containing a zirconium-element-containing compound as a metal-element-containing compound, in which the heating in the hydrothermal reaction step is performed at a temperature rising rate of 90°C/hour or more.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
The present invention provides a zirconium element-containing resin composition capable of achieving both high transparency and high refractive index. The zirconium element-containing resin composition according to the present invention contains a zirconium element-containing metal oxide (A), a dispersant (B), and a polymerizable resin (C), and is characterized in that the mean particle diameter of the zirconium element-containing metal oxide (A) as measured by dynamic light scattering is 20 nm or less, the dispersant (B) contains a compound represented by formula (1) and optionally contains a silane coupling agent, and the content proportion of the silane coupling agent is less than 30 parts by mass with respect to a total of 100 parts by mass of the silane coupling agent and the compound represented by formula (1). [Chemical formula 1]
The purpose of the present invention is to improve the dispersibility of a powder that contains fine barium titanate nanocrystals in a dispersion medium. This powder contains barium titanate nanocrystals. The average equivalent circle diameter Ld of the powder, which is obtained by using an image of the powder captured by a transmission electron microscope, is not more than 12 nm. The crystallite diameter Lc of the barium titanate nanocrystal, which is obtained from Scherrer formula, using the full width at half maximum of the diffraction peak which corresponds to the (111) plane of barium titanate nanocrystal and which is found in the X-ray diffraction pattern obtained from the powder X-ray diffraction measurement of the powder, is not more than 12 nm. Organic carboxylic acid adheres to the surfaces of the barium titanate nanocrystals. The average particle diameter Lp of the powder, which is measured by the dynamic light scattering method in which the powder is dispersed in a non-polar dispersion medium, is not more than 18 nm.
The purpose of the present invention is to provide a latex blend composition which is for dip molding and which can achieve both safety and physical strength in a molded article. The latex blend composition for dip molding according to the present invention is characterized by containing a titanium oxide (A) that is surface-treated with a multivalent metal salt, and a polymer latex composition (B) that includes a polymer having a structural unit (b1) derived from an ethylenically unsaturated carboxylic acid monomer, and is characterized in that the proportion of the titanium oxide (A) treated with the multivalent metal salt is 0.05-10.0 mass% with respect to 100 mass% of solid contents of the polymer latex composition (B).
C08L 55/00 - Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
A purpose of the present invention is to provide a chlorine-containing resin composition having exceptional weather resistance as well as exceptional heat resistance over time in a high-temperature environment during heating processing. The present invention relates to a chlorine-containing resin composition characterized by including a chlorine-containing resin, an aminouracil compound and/or an aminothiouracil compound represented by general formula (1) (in the formula, R1and R2may be the same or different and represent a C1-12 alkyl group, alkenyl group, cycloalkyl group, phenylalkyl group, or hydrogen atom optionally having a substituent, and X represents a sulfur atom or an oxygen atom), a hydrotalcite compound, an organic acid zinc, and a metal salt of a dicarbonyl compound represented by general formula (2) (in the formula, R3and R4 may be the same or different and represent a C1-12 alkyl group, alkenyl group, cycloalkyl group, phenylalkyl group, or hydrogen atom optionally having a substituent, and Z represents a methylene group, an ethylene group, or a propylene group). [Formula 1] [Formula 2]
A method for producing a metal composite oxide, the method including steps of: preparing a slurry by mixing different kinds of metal compounds in a powder form, a dispersion medium, and a dispersant, and baking the different kinds of metal compounds after the dispersion medium in the slurry is removed. The slurry further includes a polyalkylene oxide having a viscosity average molecular weight of 150,000 or more. The slurry has a viscosity of 10 mPa·s to 2000 mPa·s, the viscosity being measured using a B-type viscometer under conditions of a temperature of 23° C. to 27° C. and a rotation rate of 60 rpm. According to the production method, a slurry in which different kinds metal compound powders are uniformly dispersed and a precipitate is unlikely to be formed can be obtained. Therefore, a metal composite oxide having a desired composition can be obtained.
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
38.
BORON-CONTAINING AMORPHOUS SILICA POWDER AND METHOD OF PRODUCING SAME
The present invention provides a boron-containing amorphous silica powder that is superior in low-temperature sintering properties to conventional products. The boron-containing amorphous silica powder according to the present invention, which is an amorphous silica powder containing boron atoms, is characterized in that the average particle size determined by using 40 particles randomly selected in a transmission electron micrograph is 10-100 nm and, when calcined under the following conditions, the decrease in the boron content is not more than 10 mass%. 5 to 10 g of a dried sample is packed in an alumina crucible and heated to a temperature of 1000-1100°C at 200°C/h in the air atmosphere. After maintaining at the temperature for 5 hours, the sample is cooled to room temperature.
2232233, are 90.0-99.8 mass% and 0.2-10.0 mass%, respectively, when the boron-containing silica dispersion is ultrafiltered and dried through the following method. Pure water having a volume 6 times that of the boron-containing silica dispersion is sequentially added and water-washed at a supply liquid flow rate of 3660 ml/min, by using an ultrafiltration membrane having a cut-off molecular weight of 13,000.
A powder for an air electrode in a solid oxide fuel cell, the powder consisting of: a metal composite oxide having a perovskite-type single phase crystal structure represented by A11-xA2xBO3-δ, where the element A1 is at least one selected from the group consisting of La and Sm, the element A2 is at least one selected from the group consisting of Ca, Sr, and Ba, the element B is at least one selected from the group consisting of Mn, Fe, Co, and Ni, 0
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
The present invention provides a material having a higher electromagnetic wave absorption capacity than in conventional electromagnetic wave absorption materials. The present invention pertains to an energy absorption and release material characterized by comprising titanium suboxide represented by a compositional formula of TiOx (where x represents a number satisfying 1 ≤ x < 1.8), the specific surface area being 5 m2/g or above and the average particle diameter/specific surface area equivalent particle diameter being 0.5 to 3.0.
The present invention provides a material having a higher electromagnetic wave absorbing capability than prior art electromagnetic wave absorbing materials. The present invention relates to an energy absorbing and releasing material characterized by comprising titanium oxide having, in the L*a*b*color system, an L*value satisfying 50 ≤ L*≤ 90, and a b*value satisfying b* < 0.
Provided is a liquid stabilizer, which can improve releasability without impairing transparency. A liquid stabilizer for a chlorine-containing resin of the present invention includes: an oxidized polyethylene wax having an acid value of 5 mgKOH/g or more; a dispersion medium; and at least one kind selected from the group consisting of a zinc salt, an alkaline earth metal salt, and an organotin compound. The liquid stabilizer of the present invention is a dispersion, and a dispersoid including the oxidized polyethylene wax has a median diameter (D50) of from 1 μm to 50 μm.
C25B 11/073 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material
B01J 23/46 - Ruthenium, rhodium, osmium or iridium
B01J 35/10 - Solids characterised by their surface properties or porosity
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
46.
AMMONIA SYNTHESIS CATALYST AND METHOD FOR MANUFACTURING AMMONIA
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Tsutsumi, Hiroshi
Yamashita, Daisuke
Kamon, Akihiro
Ozawa, Akiyo
Namba, Tetsuya
Javaid, Rahat
Manaka, Yuichi
Abstract
The present invention provides a catalyst that does not present a problem of catalyst degradation due to reaction with a carrier, and that produces excellent catalytic activity in an ammonia synthesis reaction by a low-temperature/low-pressure process. The present invention pertains to an ammonia synthesis catalyst characterized in having a structure in which ruthenium and/or an oxide thereof is carried on a titanium suboxide carrier represented by the composition formula TiOx (1.5 < x < 2.0).
2/g or more, satisfies (Crystallite diameter/Specific surface area-based particle diameter)≥0.3, and contains elements M in an amount of 300 ppm or less in terms of atoms, the elements M being other than the elements A1, A2 and B, and oxygen.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Titanium oxide; industrial chemicals; adhesives for industrial purposes; photographic developers; photographic dry plates; photographic emulsions; photographic fixers; Chemically sensitized photographic paper; photographic sensitizers; unexposed photographic film; priming oil cement putty; oil cement putty; unprocessed plastics for industrial use Zinc oxide being pigment; titanium dioxide being pigment; pigments; paints; dyestuffs; colorants; canada balsam being turpentine for use as a paint thinner; copal; sandarac; shellac; dammar; mordant dyes; mastics, namely, unprocessed natural resins; pine gum, namely, mastic being unprocessed natural resins in the nature of gum extracts from pine bark; wood preservatives; printing inks; water color paints; oil colors; anti-rust greases; nonferrous metals in foil or powder form for painters, decorators, printers and artists; precious metals in foil or powder form for painters, decorators, printers and artists
49.
METHOD FOR PRODUCING PEROVSKITE COMPOUND, AND PEROVSKITE COMPOUND
The present invention provides a method that is capable of producing barium sulfate which has excellent dispersibility in resin and has a reduced sulfide amount using barium sulfate made from barium sulfide and without using heavy metal. The present invention relates to a method for producing organically modified barium sulfate, characterized by comprising a first step of mixing barium sulfate obtained from barium sulfide with a solvent to prepare a slurry, a second step of mixing the slurry obtained in the first step with acid, and a third step of mixing the barium sulfate obtained through the second step with an organic compound to modify the barium sulfate.
The invention provides an electrolyte material for a solid oxide fuel cell comprising a perovskite oxide comprising at least one element A selected from the group consisting of Ba and Sr, an element Zr, at least one element M selected from the group consisting of Y and Yb, and oxygen, and also a solid phase method for producing the electrolyte material.
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
52.
Polycondensation catalyst for producing polyester and production of polyester using the same
The present invention relates to fine barium sulfate powder that can be readily and simply dispersed in resins or solvents; a resin composition, a coating composition, an ink composition, and a resin molded article each containing the barium sulfate powder; and a method for producing the barium sulfate powder. Provided is barium sulfate powder having a number average primary particle size of 1 to 100 nm, the powder including an organic compound on its surface, the powder in the form of compressed compact having a contact angle with distilled water of 10 to 170 degrees.
The present invention addresses the problem of providing a chlorine-containing resin composition which has excellent heat resistance and can be satisfactorily prevented from the formation of silver streaks or flashes even when a low-toxic stabilizing agent is used. The present invention is a chlorine-containing resin composition which contains silica-coated magnesium hydroxide and/or silica-coated calcium hydroxide, as a silica-coated metal hydroxide, in an amount of 0.07 to 0.9 part by mass and zinc oxide having an average particle diameter of 0.1 to 0.5 μm in an amount of 0.02 to 0.35 parts by mass both relative to 100 parts by mass of the chlorine-containing resin.
C08K 9/02 - Ingredients treated with inorganic substances
C08L 27/04 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
The invention provides an air electrode material powder for solid oxide fuel cells, comprising particles of a perovskite composite oxide represented by the general formula ABO3, and comprising La and Sr as the A-site elements, and Co and Fe as the B-site elements.
H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
H01M 8/1213 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
C04B 35/00 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
The present invention provides a production method for a black phosphorus-containing composition which has superior safety to and enables the synthesis of larger amounts of the black phosphorus-containing composition than conventional methods, and in which the black phosphorus-containing composition obtained has excellent photocatalytic activity. The present invention relates to a method for producing a composition containing black phosphorus, the production method for the black phosphorus-containing composition being characterized in that a step for solvothermally reacting a raw material composition including red phosphorus is included, and the solvothermal reaction temperature is greater than 130°C and less than 180°C.
22 on the surface per 100 weight parts of water-insoluble or sparingly water-soluble phosphate. The method for producing a polyester resin of the present invention preferably uses a polycondensation catalyst in which the titanium catalyst and the antimony catalyst are combined, each in a predetermined proportion within a range of respectively limited amounts. The method for producing a polyester resin of the present invention gives a polyester resin having little deterioration of color tone even when heated as well as a small decrease in intrinsic viscosity, that is, decrease in strength.
This invention provides a material that is capable of preparing an external composition that achieves high smoothness and low roughness and that reflects near-infrared rays. Specifically, a granular composite comprising keratin and hexagonal plate-shaped zinc oxide particles is provided.
A method for producing hydrotalcite particles includes dissolving aluminum hydroxide in an alkaline solution to prepare an aluminate solution, causing a reaction of the aluminate solution prepared in the first step with carbon dioxide to precipitate a low-crystallinity aluminum compound, causing a first-order reaction by mixing the low-crystallinity aluminum compound with a magnesium compound to prepare a reactant containing hydrotalcite nuclear particles, and causing a hydrothermal reaction of the reactant to synthesize hydrotalcite particles. The hydrotalcite particles can impart excellent heat resistance, transparency, flowability, and are useful as a resin stabilizer.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Barium sulfate; industrial chemicals; glue and adhesives for
industrial purposes; mineral substances; priming putty;
higher fatty acids; fatty acids; unprocessed plastics for
industrial use; unprocessed synthetic resins; chemical
compositions for developing and printing photographs.
61.
YTTERBIUM-DOPED BARIUM ZIRCONATE PARTICLES AND METHOD FOR PRODUCING SAME
1-xx3-δ3-δ (in the formula, x is a number that satisfies 0.1 ≤ x ≤ 0.6, and δ indicates the amount of oxygen deficiency.), wherein the method includes (a) a step for mixing seed crystals of barium hydroxide, zirconium hydroxide, ytterbium hydroxide, and ytterbium-doped barium zirconate with water to obtain a first slurry, (b) a step for wet grinding the first slurry to obtain a second slurry containing a particulate solid having an average particle size of 3.0 μm or less, (c) a step for adding barium hydroxide to the second slurry to obtain a third slurry, (d) a step for hydrothermally reacting the third slurry to obtain a fourth slurry, and (e) a step for washing the fourth slurry with water after acid treatment to remove the excess barium hydroxide, and the Ba/(Zr + Yb) molar ratio of the slurries in step (a) and step (c) is within a predetermined range. The present invention makes it possible to obtain ytterbium-doped barium zirconate particles having a uniform composition without containing a heterogeneous phase that are also very fine and highly crystalline by a liquid-phase method suitable for industrial mass production at low cost.
H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
H01B 1/08 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances oxides
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
62.
RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, AND PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL OBTAINED USING SAME
The present invention provides a fiber-reinforced composite material which exhibits excellent heat resistance and exhibits superior mechanical strength compared to a material obtained by mixing reinforcing fibers with a bismaleimide resin and an alkenylphenol resin as resin components. The present invention relates to a resin composition for a fiber-reinforced composite material, which contains reinforcing fibers and a resin component. The resin component contains an allyl compound (A) having two or more allyl groups and one or more benzene rings per molecule; a maleimide compound (B) having two or more maleimide groups per molecule; and a thiol compound (C) having two or more thiol groups per molecule. Relative to 100 parts by weight of the allyl compound (A), the polymerization ratio of the maleimide compound (B) is 155-530 parts by weight and the polymerization ratio of the thiol compound (C) is 15-120 parts by weight.
The present invention provides a method for producing titanium hydroxide that is usable as a starting material of titanium dioxide, whereby a product having a sufficiently large specific surface area can be obtained without using any component adversely affecting electrical characteristics and, moreover, the production cost can be reduced. The present invention pertains to a method for producing titanium hydroxide containing a rare earth element, said production method being characterized by comprising step A for mixing a compound containing at least one rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Ho with a compound containing titanium and an alkaline substance at pH 4.0-6.0 and a temperature of 25-60°C.
The present invention provides a chlorine-containing resin composition capable of providing a processed product that is excellent in thermal stability and heat resistance and that has various excellent properties derived from the chlorine-containing resin in an efficient, easy, simple, and high-yield manner, without degrading the appearance of the processed product. The present invention also provides a method for providing such a processed product. The present invention relates to a chlorine-containing resin composition containing a chlorine-containing resin, a hydrotalcite powder, and organic acid zinc, wherein the hydrotalcite powder contains magnesium (Mg) and/or zinc (Zn), and aluminum (Al), the molar ratio of the total amount of magnesium and zinc to the amount of aluminum ((Mg+Zn)/Al) is 2.20 or less, and the hydrotalcite powder has an oil absorption of 30 ml/100 g or less.
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C08G 59/42 - Polycarboxylic acidsAnhydrides, halides, or low-molecular-weight esters thereof
The present invention relates to a metal composite oxide production method which involves a step for mixing multiple types of metal compounds in powder form, a dispersion medium and a dispersant to prepare a slurry, and a step for firing the aforementioned multiple types of metal compounds after removing the dispersion medium in the slurry, wherein the aforementioned slurry contains a polyalkylene oxide with a viscosity-average molecular weight greater than or equal to 150,000. The viscosity of the slurry, measured using a type-B viscometer under conditions of 23-27°C and a rotation speed of 60 rpm, is optionally 10-2000 mPa*s. With this production method, a slurry can be obtained in which the powder of multiple types of metal compounds is evenly dispersed and in which precipitation is suppressed. Therefore, it is possible to obtain a metal composite oxide having the desired composition.
The present invention provides a method for easily and simply producing a zinc oxide phosphor that has a high level of safety and a high emission intensity and is useful for, for example, cosmetic applications. The present invention also provides a zinc oxide phosphor having such excellent physical properties and a cosmetic product containing the same. Provided is a method for producing a zinc oxide phosphor, including: a raw material mixing step of mixing an oxygen-containing zinc compound and a sulfur-containing compound; and a firing step of firing the raw material mixture obtained in the raw material mixing step, the firing step including firing in a reducing atmosphere followed by firing in an oxygen-containing atmosphere.
The present invention provides a production method that can be used to simply produce an alkaline-earth metal carbonate with the growth of particles inhibited during a thermal treatment, and that can be suitably used in production of barium carbonate, which is a material for synthesis of barium titanate. The present invention pertains to a production method that is for an alkaline-earth metal carbonate and that is characterized by comprising: a mixing step for mixing, with carbon dioxide and/or a water-soluble carbonate compound, at least one alkaline-earth metal compound selected from the group consisting of oxides, organic acid salts, inorganic acid salts excluding carbonates, chlorides, and hydroxides of alkaline-earth metals; and a step for, before and/or in the mixing step, adding a water-soluble group-4 transition metal compound to at least one of the alkaline-earth metal compound, and the carbon dioxide and/or the water-soluble carbonate compound, or a mixture thereof.
1-xx3-δ3-δ (where element A1 is at least one type selected from the group consisting of La and Sm, element A2 is at least one type selected from the group consisting of Ca, Sr, and Ba, element B is at least one type selected from the group consisting of Mn, Fe, Co, and Ni, 0 < x < 1, and δ is oxygen deficiency), wherein a cross section of a molded body obtained by pressure molding the powder is observed at a magnification of 500 times, and when the intensity of the characteristic X-ray of the element B is measured using the energy dispersion type X-ray analysis method, there is an intensity of 50% or greater than the maximum intensity of the characteristic X-ray, and the number of regions having an area ratio of 0.04% or greater of the observation visual field is 5 or less.
The present invention provides a liquid stabilizer that can provide a formed article excellent in both of transparency and heat resistance, and that is useful as a tin-free stabilizer. The present invention also provides a chlorine-containing resin composition using this stabilizer and a formed body using this stabilizer. The present invention is a liquid stabilizer for a chlorine-containing resin, comprising a zinc toluate and an overbased barium salt, wherein the content of the zinc toluate and the content of the overbased barium salt are 1 to 50% by mass and 50 to 99% by mass, respectively, based on a total amount of the zinc toluate and the overbased barium salt of 100% by mass.
C25B 9/10 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms including an ion-exchange membrane in or on which electrode material is embedded
C25B 11/04 - ElectrodesManufacture thereof not otherwise provided for characterised by the material
Provided is a chlorine-containing resin composition containing an aminouracil compound and/or aminothiouracil compound and hydrotalcite, and which has excellent heat resistance. This invention pertains to a chlorine-containing resin composition containing a chlorine-containing resin and an aminouracil compound and/or an aminothiouracil compound represented by general formula (1) (in the formula, R1and R2 each represent a hydrogen atom or an C1-12 alkyl group, an alkenyl group, a cycloalkyl group or a phenyl alkyl group which may optionally have a substituent, and may be the same or different. X represents a sulfur atom or an oxygen atom), a hydrotalcite compound and a hydrotalcite compound supporting perchloric acid.
C08K 5/36 - Sulfur-, selenium-, or tellurium-containing compounds
C08L 27/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Barium sulfate; industrial chemicals; adhesives and glues for industrial and commercial use; higher fatty acids for industrial purposes; fatty acids for industrial purposes; priming putty, namely, a molding compound in the nature of a synthetic putty for use in the manufacture of printing inks in the printing industry; unprocessed plastics for industrial use; unprocessed synthetic resins; photographic developers; photographic dry plates; photographic emulsions; photographic fixers; photographic paper; photographic sensitizers; unexposed photographic film
77.
Method for producing hexagonal plate-shaped zinc oxide
The present invention provides a method capable of producing hexagonal plate-shaped zinc oxide having a small thickness and a small variation in the particle size. The present invention relates to a method for producing hexagonal plate-shaped zinc oxide, the method including: a step (1) of preparing a slurry mixture containing starting particulate zinc oxide, a zinc acetate solution, and a chloride; and a step (2) of heat aging the slurry mixture obtained in the step (1) at 60° C. to 100° C.
A powder pulverization device is provided. The device includes a hermetically sealed pulverization container, a powder introduction mechanism having an introduction inlet opened inwardly to the pulverization container, and introducing powder to be pulverized to the introduction inlet, a powder pulverization mechanism disposed at a portion below the introduction inlet in the pulverization container, and a classification device disposed at a portion above the introduction inlet in the pulverization container for screening pulverized powder and leading the screened powder out from the pulverization container. An inner wall of the pulverization container is covered with a porous lining material and each hole of the lining material communicates with an air supply via a gap between the inner wall and the lining material.
B02C 23/12 - Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
The present invention provides a liquid dispersion capable of stably maintaining the dispersed state for a long time and suitably applicable to both O/W type cosmetic products and W/O type cosmetic products. The present invention also provides a cosmetic raw material containing the liquid dispersion and a cosmetic product containing the liquid dispersion. The present invention provides a liquid dispersion containing a polyol (A); a nonionic surfactant (B); and a hydrophobized inorganic powder (C), wherein the water content in 100% by mass of the liquid dispersion is 1% by mass or less.
The present invention provides zinc oxide having excellent infrared blocking ability, high whiteness, and excellent texture during use. The present invention relates to trivalent metal-doped hexagonal plate-shaped zinc oxide having an aspect ratio of 2.5 or greater, the trivalent metal-doped hexagonal plate-shaped zinc oxide having a trivalent metal element content based on the zinc element of 0.15 to 5 mol %, a whiteness of 90 or higher, and a powder spectral reflectance at a wavelength of 1500 nm of 80% or less.
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
C08L 23/30 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by oxidation
C08L 27/04 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
To obtain an inorganic blue fluorescent material that is composed of elements for which there are no suspected harmful effects on humans, and that has excellent texture when applied to skin.
c (3.2≤a≤5.0, b=2, c=a+5) and having an average particle diameter of from 1 to 10 μm.
1-xx3-δ3-δ (where element A1 is at least one selected from the group consisting of La and Sm; element A2 is at least one selected from the group consisting of Ca, Sr, and Ba; element B is at least one selected from the group consisting of Mn, Fe, Co, and Ni; 0
According to the present invention, provided is a solid-phase based method for producing an electrolyte material which is for a solid oxide fuel cell and which comprises a perovskite-type oxide containing at least one type of element A selected from the group consisting of Ba and Sr, element Zr, at least one type of element M selected from the group consisting of Y and Yb, and oxygen, the method being characterized in that a zirconium basic carbonate as a starting material of element Zr and solid starting materials containing elements A and M are crushed and mixed to obtain a precursor, wherein the intensity of a main diffraction line attributable to the starting material of element M is 3% or less of the intensity of a main diffraction line attributable to the starting material of element A in an X-ray diffraction pattern of the precursor, and crushing and mixing to obtain the precursor are carried out until the grain size distribution of the precursor has a median value (D50) of 1 µm or less, after which the precursor is fired and then crushed. According to the present invention, an electrolyte material with little uneven distribution of doping elements can be obtained when firing is carried out at a temperature of 1,500°C or lower.
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
According to the present invention, a method for producing an aqueous zirconium oxide particle dispersion is provided, the method comprising: a first step for reacting zirconium oxychloride with a basic substance in water to obtain a first water slurry containing zirconium oxide particles and having a pH of 8.6-9.6; a second step in which the first water slurry is filtered, washed, and then repulpled into water to obtain a second water slurry, and 1 part by mole or more of an organic acid is added to the second water slurry with respect to 1 part by mole of zirconium to obtain a third water slurry having a chlorine ion content of 5000-20000 ppm with respect to the weight of zirconium particles; a third step for hydrothermally treating the third water slurry to obtain a precursor of an aqueous zirconium oxide particle dispersion; and a fourth step in which the precursor of an aqueous zirconium oxide particle dispersion is washed by ultrafiltration to obtain an aqueous zirconium oxide particle dispersion having a chlorine ion content of 1500-7000 ppm with respect to the weight of zirconium oxide particles. The aqueous zirconium oxide particle dispersion thus obtained has excellent transparency and low viscosity even when containing a high concentration of zirconium oxide particles, and in particular exhibits excellent long-term storage stability regardless of the ambient temperature.
According to the present invention, a method for producing an aqueous zirconium oxide particle dispersion is provided, the method comprising: a step for reacting zirconium oxychloride with a basic substance to obtain a first water slurry containing zirconium oxide particles; a step in which the first water slurry is washed to obtain a second water slurry, 1 part by mole or more of an organic acid is added to the second water slurry with respect to 1 part by mole of zirconium to obtain a third water slurry having a chlorine ion content of less than 4000 ppm with respect to the weight of zirconium particles, and then hydrochloric acid is added to the third water slurry to obtain a fourth water slurry having a chlorine ion content of 4000-20000 ppm with respect to the weight of zirconium oxide particles; a step for hydrothermally treating the fourth water slurry to obtain a precursor of an aqueous zirconium oxide particle dispersion; and a fourth step in which the precursor of an aqueous zirconium oxide particle dispersion is washed by ultrafiltration to obtain an aqueous zirconium oxide particle dispersion having a chlorine ion content of 1500-7000 ppm with respect to the weight of zirconium oxide particles. The aqueous zirconium oxide particle dispersion thus obtained has excellent transparency and low viscosity even when containing a high concentration of fine zirconium oxide particles, and in particular, exhibits excellent long-term storage stability regardless of the ambient temperature.
According to the present invention, a method for producing an aqueous zirconium oxide particle dispersion is provided, the method comprising: a step for reacting zirconium oxychloride with a basic substance to obtain a first water slurry containing zirconium oxide particles; a step for washing the first water slurry to obtain a second water slurry; a step in which 1 part by mole or more of an organic acid is added to the second water slurry with respect to 1 part by mole of zirconium to obtain a third water slurry having a chlorine ion content of less than 4000 ppm with respect to the weight of zirconium particles, and then the third water slurry is hydrothermally treated to obtain a precursor of an aqueous zirconium oxide particle dispersion; a fourth step in which the precursor of an aqueous zirconium oxide particle dispersion is washed by ultrafiltration to obtain a second aqueous zirconium oxide particle dispersion precursor having a chlorine ion content of less than 1500 ppm with respect to the weight of zirconium oxide particles; and a fifth step for adding hydrochloric acid to the second aqueous zirconium oxide particle dispersion precursor to obtain an aqueous zirconium oxide particle dispersion having a chlorine ion content of 1500-7000 ppm with respect to the weight of zirconium oxide particles. The aqueous zirconium oxide particle dispersion thus obtained has excellent transparency and low viscosity even when containing a high concentration of fine zirconium oxide particles, and in particular, exhibits excellent long-term storage stability regardless of the ambient temperature.
H01B 1/08 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances oxides
The present invention provides a vinyl chloride resin composition which has excellent transparency and excellent mold releasability. A vinyl chloride resin composition according to the present invention contains: a vinyl chloride resin; a liquid-state stabilizer for vinyl chloride resins; and an oxidized polyethylene wax which has an acid value of 5 mgKOH/g or more and a density of 0.95 g/cm3 or more. This vinyl chloride resin composition contains 0.001 part by weight or more of the oxidized polyethylene wax per 100 parts by weight of the vinyl chloride resin.
C08L 23/30 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment by oxidation
90.
METHOD FOR PRODUCING CERIA-ZIRCONIA COMPLEX OXIDE DISPERSION
The present invention provides a method that can stably produce a ceria-zirconia complex oxide dispersion for which color variation is suppressed. The present invention pertains to a method for producing a ceria-zirconia complex oxide dispersion, comprising the steps of neutralizing, in water using a basic compound, a starting material containing a water-soluble cerium compound and a water-soluble zirconium compound to obtain a slurry and adding hydrogen peroxide to the slurry and thereafter adding an acid other than hydrogen peroxide and carrying out a hydrothermal reaction.
The present invention provides a barium sulfate spherical composite powder that has significantly high strength and excellent texture, and achieves high haze while maintaining high total light transmittance, and a method for producing such a composite powder. The present invention relates to a method for producing a barium sulfate spherical composite powder, which is a method for producing a spherical composite powder of barium sulfate and silica, the method comprising the steps of (1) preparing a slurry containing particulate barium sulfate and a silica sol, (2) spray-drying the slurry, and (3) firing a dry substance obtained in the step (2).
The present invention aims to provide a method for producing a chlorine-containing resin composition and a method for producing a chlorine-containing resin processed product, the methods being capable of providing a processed product that is excellent in thermal stability and heat resistance and that has various excellent properties derived from the chlorine-containing resin in an efficient, easy, simple, and high-yield manner, without degrading the appearance of the processed product. The present invention provides a method for producing a chlorine-containing resin composition, including: step (I) of dry-mixing a silicone oil and/or a liquid fatty acid having a C12 or higher carbon chain with a hydrotalcite powder to obtain a mixture; and step (II) of further mixing a chlorine-containing resin with the mixture.
The present invention provides a method whereby barium carbonate that is so fine as to exceed a specific surface area of 45 m2nn ···· (1) (In the formula, X represents a divalent or a trivalent linking group; the linking group represents a saturated hydrocarbon group having one or two carbons that may have a hydroxyl group as a substituent, an unsaturated hydrocarbon group having two carbons, or a group derived from a benzene ring; and n represents 1 or 2.) 6.0 ≤ A+B ≤ 16···· (I) 0.01 ≤ A/B ≤ 7.0··· (II)
33 and that includes La and Sr as element A, and Co and Fe as element B, wherein: the particles include coarse particles having a particle diameter of 0.2 μm or above and microparticles having a particle diameter of below 0.2 μm; the microparticles represent at least 60% of the total number of particles on a number basis; and in a proportion of at least 40% of the total number of microparticles on a number basis, the Sr/La atom ratio in the surface layer of the microparticles is at least 3 times the Sr/La atom ratio in the surface layer of the coarse particles. When such an air electrode material powder is made into a paste and the paste is applied to an electrolyte substrate and sintered to form an air electrode, no cracks are produced in the air electrode.
C04B 35/50 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds
NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY (Japan)
Inventor
Yamanaka, Kazumi
Morimoto, Naoki
Kobayashi, Keita
Terabe, Atsuki
Sakaguchi, Hiroki
Usui, Hiroyuki
Abstract
The present invention provides an electrode material using titanium oxide with which it is possible to realize an electrode having excellent performance. The present invention relates to an electrode material characterized by comprising a rutile-type titanium oxide in which, in an XRD spectrum, the ratio A/B of a peak intensity A at or in the vicinity of 2θ = 62.7° to a peak intensity B at or in the vicinity of 2θ = 64.0° is not less than 1.60, or the ratio C/D of a half-value width C of a peak at or in the vicinity of 2θ = 62.7° and a half-value width D of a peak at or in the vicinity of 2θ = 64.0° is not more than 0.67.
A production method that includes: a first step for dissolving aluminum hydroxide in an alkaline solution and preparing an aluminate solution; a second step for reacting the aluminate solution obtained in the first step with carbon dioxide and precipitating a low-crystallinity aluminum compound; a third step for mixing the low-crystallinity aluminum compound obtained in the second step with a magnesium compound to perform a first-order reaction and preparing a reactant that includes hydrotalcite core particles; and a fourth step for performing a hydrothermal reaction on the reactant obtained in the third step and synthesizing hydrotalcite particles. The production method makes it possible to obtain hydrotalcite particles that: can impart excellent heat resistance, transparency, fluidity, or the like; and can be used as a resin stabilizer or the like.
The present invention provides a chlorine-containing resin composition for a wire covering material in which the decrease in heat resistance at the time of wire forming and in strength of the wire covering material due to the addition of an EVA resin is suppressed. The present invention provides a chlorine-containing resin composition to be used as a wire covering material, the composition comprising a chlorine-containing resin, an ethylene-vinyl acetate copolymer, a hydrotalcite-type powder and a plasticizer, wherein the hydrotalcite-type powder includes a magnesium element (Mg) and/or a zinc element (Zn) and an aluminum element (Al) and has an oil absorption of 30 ml/100 g or less.
H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
C08L 27/04 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
98.
POLYCONDENSATION CATALYST FOR POLYESTER PRODUCTION AND POLYESTER PRODUCTION USING SAME
C08G 63/87 - Non-metals or inter-compounds thereof
C08K 9/02 - Ingredients treated with inorganic substances
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
Provided is a material with which it is possible to prepare a composition for external use that brings about a highly smooth feeling with low roughness while reflecting near-infrared rays. Specifically, provided is a granular composite comprising keratin and hexagonal plate-like zinc oxide particles.
