Abstract: The present invention provides a chloroprene-based polymer latex composition, which has a low residual amount of mercaptans with hygiene concerns remaining, and which can obtain a chloroprene-based polymer dip-molded article having excellent flexibility and high breaking strength even with use of less vulcanization accelerator and sulfur, due to the plasticizing effect of a low molecular weight polymer and the use of a heteroaromatic ring-based compound. According to the present invention, there is provided a chloroprene-based polymer latex composition including a chloroprene-based polymer latex, a metal oxide, and a heteroaromatic ring-based compound, wherein the chloroprene-based polymer latex composition includes 0.5 to 15.0 parts by mass of the metal oxide and 0.1 to 10.0 parts by mass of the heteroaromatic ring-based compound per 100 parts by mass of solid content of the chloroprene-based polymer latex, the chloroprene-based polymer latex composition has a content of alkyl mercaptan compounds of 0.

Abstract: There is provided a thermoelectric conversion element having a p-type thermoelectric conversion layer containing a p-type material containing carbon nanotubes and a conductive resin, and an n-type thermoelectric conversion layer that is in contact with the p-type thermoelectric conversion layer and contains an n-type material obtained by doping the p-type material containing carbon nanotubes and a conductive resin with a dopant, wherein the dopant contains an anion that is a complex ion, an alkali metal cation, and a cation scavenger.

Abstract: Provided is a rubber composition capable of improving the scorch time of the unvulcanized product, and the hardness, tensile strength, and freeze resistance of the vulcanizate in a well-balanced manner. According to the present invention, there is provided a rubber composition including a chloroprene-based rubber having a content of an unsaturated nitrile monomer unit of less than 25% by mass and an epoxy compound having a weight average molecular weight more than 100 and less than 900, wherein the rubber composition contains 0.1 to 25 parts by mass of the epoxy compound with respect to 100 parts by mass of the chloroprene-based rubber.

Abstract: A reagent composition that is used as a first reagent composition for a method of quantifying small dense LDL cholesterol (sdLDL-C) in a sample, the method including causing the first reagent composition to act on the sample, and after the causing the first reagent composition to act on the sample, applying a second reagent composition for quantifying the sdLDL-C to quantify cholesterol in a remaining lipoprotein, in which the reagent composition has one or two or more activities selected from the group including cholesterol esterase activity, cholesterol oxidase activity, and sphingomyelinase activity, and contains polyoxyethylene monostyrenated phenyl ether.

Abstract: A two-agent type composition consisting of first agent and second agent, wherein: first agent contains an elastomer, a first and second acrylic component, a second acrylic component, and a polymerization initiator; second agent contains condensate of amine and aldehyde, third acrylic component, and reducing agent; the first acrylic component is (meth)acrylate or (meth)acrylic acid, containing two or more hydroxyl groups bonded to a carbon atom in one molecule, or containing one or more functional groups of one or more kind of functional groups selected from group consisting of an amide group, a cyclic amide group, a sulfoxide group, a ketone group, an aldehyde group, a sulfo group, a sulfino group, a phosphonic group, a sulfobetaine group, a carbobetaine group, and a phosphobetaine group in one molecule; second acrylic component is a (meth)acrylate or (meth)acrylic acid other than first acrylic component; and the third acrylic component is (meth)acrylate or (meth)acrylic acid.

Abstract: A heat dissipation member according to the present invention includes: a copper-diamond composite where a plurality of diamond particles are dispersed in a metal matrix containing copper; and a metal film that is joined to at least one face of the copper-diamond composite, in which in at least one cross-section of the heat dissipation member in a lamination direction, a transition region where the metal film and at least one of the plurality of diamond particles are present is provided at an interface between the copper-diamond composite and the metal film, and in a surface of the copper-diamond composite, a proportion of an exposed area of the diamond particles is 1% or more and 50% or less.

Abstract: According to an aspect of the present disclosure, there is provided a fluorescent substance powder containing a plurality of CASN-based fluorescent substance particles. Average ruggedness of fluorescent substance particles having a particle size of 1 ?m or greater among the CASN-based fluorescent substance particles is 0.985 or greater.

Abstract: A light emitting device (100) (lighting device) includes a phosphor application printed wiring board (30) in which a phosphor layer (36) is provided on a substrate surface, a first light emitting unit (20A) provided in the phosphor application printed wiring board (30) and outputting light having a peak wavelength of a first wavelength, and a second light emitting unit (20B) provided in the phosphor application printed wiring board (30) and outputting light having a peak wavelength of a second wavelength different from the first wavelength. The phosphor layer (36) is provided separately from the first light emitting unit (20A) and the second light emitting unit (20B) at least around the first light emitting unit (20A) and the second light emitting unit (20B). A light emission peak wavelength includes a phosphor located in a visible light region when the light having the first wavelength and the light having the second wavelength are emitted as excitation light.

Abstract: A powder containing: a first particle having a first crystal composition; and a second particle having a second crystal composition different from the first crystal composition, wherein each of the first crystal composition and the second crystal composition contains at least one selected from the group consisting of Ti2O3, ?-Ti3O5 and Ti4O7.

Abstract: This maleimide-based copolymer contains 40-60 mass % of aromatic vinyl monomer units, 5-20 mass % of vinyl cyanide monomer units, and 35-50 mass % of maleimide monomer units, and is such that a 4 mass % tetrahydrofuran solution of the copolymer has a transmittance of 90% or more for light having a wavelength of 450 nm at an optical path length of 10 mm, and the residual maleimide-based monomer amount is less than 300 ppm. This maleimide-based copolymer preferably further contains 0-10 mass % of unsaturated dicarboxylic acid anhydride monomer units, and preferably has a glass transition temperature of 165° C. or higher.

Abstract: A composition for a positive electrode of a lithium ion secondary battery, the composition comprising: an active material capable of storing and extracting lithium ion; and an electric conductive material, wherein the active material is lithium iron phosphate, wherein the conductive material includes carbon black and carbon nanotube, wherein the carbon black has an average primary particle diameter of 39 nm or less, and wherein the carbon nanotube has an average diameter of 20 nm or less.

Abstract: To provide: a spherical crystalline silica powder which enables a resin molded article having a high coefficient of linear thermal expansion and a low dielectric tangent to be obtained; and a method for producing the same. Provided is a spherical crystalline silica powder in which the number of water molecules desorbed at 50° C.-1,000° C. when the temperature is increased from 25° C. to 1,000° C. at a condition of 30° C./min. is 10 ?mol/g or less, and in which 10 mass % or more of the total powder is ?-quartz crystal. Also provided is a method for producing a spherical crystalline silica powder, the method comprising: (i) heating a spherical amorphous silica powder to obtain a spherical crystalline silica powder; (ii) bringing the spherical crystalline silica powder into contact with an acid; and (iii) heating, at 800-1,400° C., the spherical crystalline silica powder treated by (ii).

Abstract: Provided are a chloroprene-based block copolymer, a latex, a latex composition, and a rubber composition with which it is possible to obtain a molded body having excellent tensile strength at break and tensile elongation at break even with use of less or no vulcanizing agent or vulcanization accelerator. A chloroprene-based block copolymer including 30 to 60% by mass of a polymer block (A) derived from a monomer that can yield a polymer with a glass transition temperature of 80° C. or higher when homopolymerized and 40 to 70% by mass of a chloroprene-based polymer block (B) having a chloroprene monomer unit and a polyfunctional monomer unit.

Abstract: An emitter includes an insulator, a pair of terminals attached to the insulator separately from each other, at least one filament attached between the pair of terminals in an arch shape, and an electron source fixed to the filament. The filament has bent portions between a contact with respect to the electron source and contacts with respect to the terminals. A device is provided with the emitter.

Abstract: A fiber for artificial hair is constituted of a resin composition containing an aliphatic polyamide and inorganic particles, and in a particle size distribution of the inorganic particles measured by a laser diffraction method, a ratio (D50/D10) of D50, which is a particle size equivalent to a cumulative percentage of 50% based on volume, to D10, which is a particle size equivalent to a cumulative percentage of 10% based on volume, is 1.8 or more and 3.0 or less.

Abstract: [Summary] One embodiment of the present invention provides a powder. The powder includes ZnO, Al2O3, and SiO2 as components. In a ternary phase diagram of the ZnO, the Al2O3, and the SiO2, the powder has a composition included in a rectangular area having as the four corners thereof (ZnO (mol %), Al2O3 (mol %), SiO2 (mol %))=(24, 13, 63), (19, 18, 63), (37, 12, 51), (32, 17, 51). The ratio (S001/S101) of the area S001 of a peak appearing in the range of 15°?2??17° and the area S101 of a peak appearing in the range of 24°?2??27° in an X-ray diffraction pattern is 0.001-0.07.

Abstract: A method for producing a barium titanate-based powder, the method including: step a of spraying a raw material including a barium titanate-based compound into a high-temperature field heated to a temperature equal to or higher than a melting point of the compound to form barium titanate-based particles; step b of washing a powder including the barium titanate-based particles formed in step a, or calcining a powder including the barium titanate-based particles formed in step a and then washing the calcined powder; and step c of calcining the washed powder obtained through step b.

Abstract: A resin film that has both high transparency and excellent blocking resistance including crosslinked (meth)acrylic acid ester-based resin particles includes methacrylic acid ester-based resin as a main component, wherein the crosslinked (meth)acrylic acid-based resin particles have an average particle diameter of 1% or more and 10% or less with respect to an average thickness of the film, wherein the film does not include vinylidene fluoride-based resin, wherein a haze of the film measured based on JIS K7136: 2000 is 5% or less, and wherein a clarity (CLR) of the film is 97% or more.

Abstract: A multilayer film includes: a surface layer composed of a resin composition containing vinylidene fluoride-based resin and methacrylic acid ester-based resin; and a back layer laminated on the surface layer composed of a resin composition containing vinylidene fluoride-based resin and methacrylic acid ester-based resin, and further containing fine particles with a particle diameter of 0.2 ?m or more; wherein an average particle diameter of the fine particles is less than 1.0 ?m, a number of convex portions existing on an outer surface of the back layer having a height of 0.2 ?m or more relative to an average surface that is counted using a white interferometer is 400 or less per area of 697 ?m×539 ?m, and a number of convex portions having a height of 1.0 ?m or more is 10 or less per area of 697 ?m×539 ?m.

Abstract: A heat dissipation member according to the present invention includes: a copper-diamond composite where a plurality of diamond particles are dispersed in a metal matrix containing copper; and a metal film that is joined to at least one face of the copper-diamond composite, in which in at least one cross-section of the heat dissipation member in a lamination direction, at least one of the plurality of diamond particles is configured to be in contact with both of the metal film and the metal matrix, and in a surface of the copper-diamond composite, a proportion of an exposed area of the diamond particles is 1% or more and 50% or less.