Abstract: Provided is a compound functioning as a leveling agent which imparts high smoothness to a coating film without causing a defect in the surface of the coating film. Specifically, the compound has a polymer block of a polymerizable monomer at both ends of a silicone chain.

Abstract: Provided is a molybdenum trioxide powder containing an aggregate of primary particles containing a crystal structure of molybdenum trioxide, the crystal structure containing ? crystals with an average crystallite size of 50 nm or less, a median diameter D50 of the primary particles being 2,000 nm or less determined by dynamic light scattering.

Abstract: An epoxy resin composition used as a structural bonding agent is provided. Specifically, used is an epoxy resin composition containing an epoxy resin (A) having an epoxy equivalent of 500 to 10,000 g/eq represented by the formula (1) below: wherein, Ar is an aromatic ring, X is a structural unit having an alkylene chain, Y is a structural unit having a polyether chain, R11 and R12 are a glycidyl ether group or a 2-methylglycidyl ether group, R13 and R14 are a hydroxyl group, a glycidyl ether group, or a 2-methylglycidyl ether group, R15 and R16 are a hydrogen atom or a methyl group, m1 and m2 are 0 to 25, and m1+m2?1, p1 and p2 are 0 to 5, and q is 0.5 to 5, an epoxy resin (B) having an epoxy equivalent of 100 to 300 g/eq, and thermally expandable particles (C).

Abstract: Provided is a defoaming agent showing an excellent defoaming property. Specifically, the defoaming agent includes a polymer containing as a polymerization component a polymerizable monomer (1) having a urethane bond and a fluorine-containing functional group and/or a silicone chain-containing functional group.

Abstract: An object of the present invention is to provide a method for producing a crosslinked polyarylene sulfide (PAS) that reduces a difference in melt viscosity among lots and has excellent quality stability. Further specifically, the present invention provides a method for producing a crosslinked PAS including steps of compression-molding an uncrosslinked PAS in a powder form to obtain a compression-molded material, measuring a porosity of the compression-molded material, grinding the compression-molded product having a specific range of porosity to obtain a pulverized material, granulating the pulverized material to obtain a granulated material, and oxidatively crosslinking the granulated material obtained in the preceding step. Also provided are a method for producing a composition containing the crosslinked PAS, and a method for producing a molded article by melt-molding the composition.

Abstract: The composite particles contain alumina particles with a card-house structure formed of three or more plate-like alumina particles that adhere to each other and an inorganic covering portion located on a surface of the plate-like alumina particles and containing a composite metal oxide.

Abstract: To provide plate-like alumina particles that are less likely to wear apparatuses. Plate-like alumina particles containing germanium or a germanium compound. The plate-like alumina particles preferably have a molar ratio of Ge to Al, [Ge]/[Al], of 0.08 or more as determined in an XPS analysis. The plate-like alumina particles preferably contain the germanium or germanium compound in a surface layer. The plate-like alumina particles preferably have a density of 3.7 g/cm3 or more and 4.1 g/cm3 or less. The plate-like alumina particles preferably have a molar ratio of Ge to Al, [Ge]/[Al], of 0.08 or less as determined in an XRF analysis.

Abstract: A patterned pressure-sensitive adhesive tape includes a pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer is formed by a pressure-sensitive adhesive composition for patterned pressure-sensitive adhesive tape. An elongational viscosity of the pressure-sensitive adhesive composition measured at 30° C. is 1,000 mPa·s or greater and 650,000 mPa·s or less, or a Trouton's ratio thereof measured at 30° C. is 8 or greater and 400 or less. The pressure-sensitive adhesive layer has two or more pressure-sensitive adhesive portions (B) and a non-pressure-sensitive adhesive portion region having no pressure-sensitive adhesive portions (B) between the two or more pressure-sensitive adhesive portions (B). The non-pressure-sensitive adhesive portion region is patterned to lead to an outer periphery of a sheet plane.

Abstract: An adhesive tape is used for fixing a member constituting an electronic apparatus and includes an adhesive layer (A) and a base material (B). The adhesive layer (A) contains an adhesive containing a styrene-based block copolymer and an adhesiveness-imparting resin. The adhesive has a Trouton ratio of 3 or more and 90 or less when the adhesive composition is made into a toluene solution having a solid concentration of 25% (w/w) and is subjected to measurement at 35° C.

Abstract: A product provision system for providing a product that matches a sensibility desired by a user, includes: reception means for receiving sensibility information, the sensibility information representing a sensibility desired by a user; prediction means for predicting a property associated with the received sensibility information, the property being a property derived from a product's material; extraction means for extracting a product based on the predicted property; and output means for outputting the extracted product.

Abstract: An object is to provide a cured product and the like with excellent fire retardancy, heat resistance, and dielectric properties by using a curable resin having a specific structure and a curable resin composition containing the curable resin, a radical polymerization initiator, and a fire retardant. Specifically provided are a curable resin represented by General Formula (1) and a curable resin composition containing the curable resin, a radical polymerization initiator (B), and a fire retardant (C): in the formula, Ra and Rb each independently represent an alkyl group, an aryl group, an aralkyl group, or a cycloalkyl group with a carbon number of 1 to 12; k indicates an integer of 0 to 3; X represents a hydrocarbon group; and Y represents General Formula (2) or (3) below: in the formula, Z represents an alicyclic group, an aromatic group, or a heterocyclic group.

Abstract: A curable composition to be cured to provide a cured product excellent in heat resistance and dielectric properties, a cured product of the curable composition, a printed wiring board, a semiconductor sealing material, and a build-up film using the curable composition. There is provided a curable composition containing an aromatic ester resin (A) and a maleimide compound (B), the aromatic ester resin (A) being an active ester resin that is a reaction product of a first aromatic compound having two or more phenolic hydroxy groups, a second aromatic compound having a phenolic hydroxy group, and a third aromatic compound having two or more carboxy groups and/or an acid halide thereof or an esterified compound thereof, in which at least one of the first aromatic compound, the second aromatic compound, and the third aromatic compound and/or the acid halide thereof or the esterified compound thereof has a polymerizable unsaturated bond-containing substituent.

Abstract: Provided are an adhesive tape having high flex resistance that can withstand repeated bending by folding operations and the like while maintaining high impact resistance, and an electronic device including the adhesive tape. The adhesive tape has an adhesive layer on one side or both sides of a foam base directly or with another layer interposed, in which the foam base contains an elastomer resin as a main component. The foam base has a tensile stress of 150 N/cm2 or less at 100% strain based on a stress-strain curve and a foam density of 0.2 g/cm3 to 2.0 g/cm3.

Abstract: An object of the invention is to provide a urethane resin composition containing a biomass raw material and having excellent moisture permeability and excellent film strength. The invention provides a urethane resin composition containing a urethane resin (X), the urethane resin (X) containing, as essential raw materials, a polyol (A) that contains a polyol (a1) having an oxyethylene group, and a polyisocyanate (B), in which the polyol (A) further contains a polyester polyol (a2) containing a biomass-derived glycol (i) and a crystalline polybasic acid (ii) as raw materials, and the polyol (A) has a hydroxyl equivalent in a range of 400 g/eq to 600 g/eq. In addition, the invention provides a moisture-permeable film which is formed of the urethane resin composition.

Abstract: A method for producing a crosslinked polyarylene sulfide resin (PAS resin) that reduces a difference in melt viscosity among lots and has excellent quality stability is provided. Further specifically, the method includes steps of compression-molding an uncrosslinked PAS resin in a powder form to obtain a compression-molded material, measuring a true specific gravity of the compression-molded material, grinding the compression-molded product having a specific range of true specific gravity to obtain a pulverized material, granulating the pulverized material to obtain a granulated material, and oxidatively crosslinking the granulated material obtained in the above step. Also provided are a method for producing a composition containing the crosslinked PAS, and a method for producing a molded article by melt-molding the composition.

Abstract: The present invention provides a resin composition which emits near-infrared fluorescence, has high light-emitting efficiency, and can be relatively easily produced, and a molded object obtained from the resin composition. More specifically, the present invention provides a resin composition containing a near-infrared fluorescent material (A), a thermoplastic resin (B) other than a polyamide resin, and a resin (C) different from the thermoplastic resin (B), in which the resin (C) forms a continuous phase, and a dispersed phase containing the near-infrared fluorescent material (A) and the thermoplastic resin (B) is formed in the continuous phase.

Abstract: The method for producing light-emitting particles each having a surface layer containing Si on a surface of a semiconductor nanocrystal particle composed of a metal halide includes the steps of: forming the semiconductor nanocrystal particle and a poly-siloxane bond from a solution containing a raw material for the semiconductor nanocrystal particle, a silane compound A having a binding group and a hydrolyzable silyl group, and a solvent, to obtain a precursor particle; mixing the precursor particle, a polymer B containing a structural unit having a basic group and a solvophilic structural unit, and a solvent to obtain a mixture; and adding a silane compound C having a hydrolyzable silyl group to the mixture to obtain a light-emitting particle having a layer containing the polymer B and a polymer of the silane compound C on a surface of the precursor particle.

Abstract: Provided are a negative electrode active material having excellent charge-discharge characteristics (charge-discharge capacity, initial coulombic efficiency, and cycle characteristics) and a nonaqueous electrolyte secondary battery containing the negative electrode active material. The negative electrode active material according to the present invention is a negative electrode active material containing composite particles in which silicon nanoparticles are dispersed inside a matrix containing silicon oxycarbide and a carbonaceous phase. The negative electrode active material has a crystalline particle size of 40 nm or less determined by the Scherrer method from a full width at half maximum (FWHM) of a diffraction line attributed to Si(111) around 2?=28.4° in analysis of an X-ray diffraction pattern.

Abstract: A technical problem of the present invention is to provide a condensed polycyclic organic pigment having excellent dispersion properties and dispersion stability. More specifically, the technical problem of the present invention is to provide a condensed polycyclic organic pigment in which a practically sufficient viscosity is achieved in terms of both the initial viscosity of a base ink and the viscosity over time of a base ink when used in the printing ink application. As a result of thorough studies on the surface state of organic pigment particles and interaction among components constituting a printing ink, it has been found that the technical problem can be solved by using a polyvalent metal inorganic salt in a condensed polycyclic organic pigment, thus accomplishing the present invention.

Abstract: A laminate (10) includes a substrate (11), a sealing layer (12A) disposed on a surface of the substrate (11), and a coating layer (13) disposed on a surface of the substrate (11) opposite to the sealing layer (12A). The coating layer (13) contains a tannic acid derivative in which at least a part of a plurality of hydroxyl groups is substituted with a linear hydrocarbon group having 1 to 18 carbon atoms, and at least one type of resin selected from the group consisting of a urethane resin, an acrylic resin, a vinyl chloride-vinyl acetate copolymer resin, a polyester resin, and an olefin resin.