Abstract: Provided is a resin composition that suppresses the occurrence of shaping defects such as stringing while also being capable of forming an optical element having high transparency and low birefringence. The resin composition contains an alicyclic structure-containing polymer and strontium carbonate powder. The proportional content of the strontium carbonate powder in the resin composition is not less than 0.2 mass % and not more than 1.0 mass %.

Abstract: A nitrile group-containing copolymer rubber includes an acrylonitrile unit (a), a monomer unit (b) of an ?,?-ethylenically unsaturated nitrile monomer other than acrylonitrile, and a conjugated diene monomer unit (c) and having an iodine value of 120 or less, wherein the total content of the acrylonitrile unit (a) and the monomer unit (b) of an ?,?-ethylenically unsaturated nitrile monomer other than acrylonitrile is 1 to 50% by weight in the total monomer units, and the content ratio of the acrylonitrile unit (a) and the monomer unit (b) of an ?,?-ethylenically unsaturated nitrile monomer other than acrylonitrile is 10:90 to 90:10 in a weight ratio of “content of acrylonitrile unit (a): content of monomer unit (b) of ?,?-ethylenically unsaturated nitrile monomer other than acrylonitrile”.

Abstract: An optical layered body comprising a polarized light separation layer and a first display layer, wherein: the polarized light separation layer is a linear polarizer including one of an absorptive linear polarizer and a reflective linear polarizer; the first display layer is a linear polarizer including the other of the absorptive linear polarizer and the reflective linear polarizer; the first display layer overlaps with a part of the polarized light separation layer; and an average degree of polarization of the polarized light separation layer at a wavelength of 400 nm to 680 nm is 0.60 or more.

Abstract: Provided is a binder composition for an all-solid-state secondary battery that is capable of producing a slurry composition for an all-solid-state secondary battery having excellent dispersibility and that can cause a functional layer for an all-solid-state secondary battery to display excellent adhesiveness. The binder composition contains a binder and a solvent. The binder includes a polymer A, and this polymer A includes a nitrile group-containing monomer unit and a hydroxy group-containing monomer unit. In the polymer A, the proportional content of the nitrile group-containing monomer unit is not less than 3 mass % and not more than 30 mass %, and a molar ratio of the proportional content of the hydroxy group-containing monomer unit relative to the proportional content of the nitrile group-containing monomer unit is not less than 0.01 and not more than 0.30.

Abstract: A phase difference plate includes a phase difference plate P1 and a phase difference plate P2. An in-plane slow axis of the phase difference plate P1 is orthogonal to an in-plane slow axis of the phase difference plate P2. The phase difference plate P2 includes a layer of a liquid crystal material oriented in an in-plane direction. An in-plane retardation ReP2(?) at a wavelength A nm of the phase difference plate P2 satisfies the following formulae (e1) and (e2): {Re2 (400)?Re2(550)}/{Re2(550)?Re2(700)}<2.90 (e1), and Re2(400)/Re2(700)>1.13 (e2). An in-plane retardation ReP1(?) of the phase difference plate P1 at a wavelength ? nm and the in-plane retardation ReP2(?) of the phase difference plate P2 at the wavelength ? nm satisfy the following formulae (e4) and (e5): ReP1(550)>ReP2(550) (e4), and ReP1(400)/ReP1(700)<ReP2(400)/ReP2(700) (e5).

Abstract: A vinyl chloride resin composition excellent in high-temperature powder fluidity is provided. The vinyl chloride resin composition includes a vinyl chloride resin and a plasticizer, and satisfies at least one of: (1) a tetrahydrofuran-insoluble content ratio being 10 mass % or more; and (2) a ratio between the tetrahydrofuran-insoluble content ratio and a content ratio of the plasticizer (tetrahydrofuran-insoluble content ratio/plasticizer content ratio) being 0.20 or more.

Abstract: An optical layered body comprising: a polarized light separation layer including a reflective linear polarizer; a first phase difference layer, and a first display layer containing a resin having cholesteric regularity, in this order; an average degree of polarization of the polarized light separation layer at a wavelength of 400 nm to 680 nm being 0.50 or more.

Abstract: Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer for an electrochemical device that has excellent wet adhesiveness and that can cause an electrochemical device to display high output characteristics. The composition for an electrochemical device functional layer contains a particulate polymer having a volume-average particle diameter of not less than 0.5 ?m and not more than 10 ?m and a degree of swelling in electrolyte solution of 120% or less.

Abstract: Provided is a phenol compound represented by general formula (I), shown below. In general formula (I), R1 and R2 each indicate, independently of each other, a hydrogen atom or an alkyl group.

Abstract: Disclosed is a carbon nanotube dispersion liquid containing carbon nanotubes, a binder, and a dispersion medium. The binder includes a polymer (A) containing an aromatic vinyl monomer unit and a linear alkylene structural unit having a carbon number of at least 4. The proportion of the binder in the carbon nanotube dispersion liquid is 30 mass % or less, and the viscosity change rate of the carbon nanotube dispersion liquid as measured under predetermined conditions before and after leaving the carbon nanotube dispersion liquid for 1 week is 50% or more and 300% or less.

Abstract: Provided is a seal material having excellent non-adherence to metal surfaces. The seal material is formed of a cross-linked rubber that is obtained through cross-linking of a cross-linkable rubber composition containing a binary fluororubber, a carbon material, and a polyol cross-linker. The carbon material includes one or more carbon nanotubes. The cross-linked rubber has an adhesion strength of 2 N or less to a metal surface after being heated at 250° C. for 70 hours while in contact with the metal surface.

Abstract: Provided is a resin that can simultaneously achieve a high refractive index, high heat resistance, and low birefringence. A hydrogenated cycloolefin copolymer is obtained through hydrogenation of a cycloolefin copolymer that includes a structural unit derived from 1-naphthylnorbornene and a structural unit derived from 2-naphthylnorbornene, wherein an average endo isomer ratio of the 1-naphthylnorbornene and the 2-naphthylnorbornene is 50 mol % or more. The hydrogenated cycloolefin copolymer is suitable for use as a material of an optical element such as an optical lens.

Abstract: Provided is a sheet for battery module that can reduce the occurrence of problems associated with thermal runaway in a battery module. The sheet for battery module contains a nitrile rubber cross-linked product and a thermally dissipated filler, and the thermally dissipated filler is 1 part by mass or more and 200 parts by mass or less per 100 parts by mass of the nitrile rubber.

Abstract: The purpose of the present invention is to provide a catalyst support with which it is possible to produce a high-quality fibrous carbon nanostructure. The purpose of the present invention is to provide a catalyst support used when producing a fibrous carbon nanostructure, the catalyst support comprising a carrier and a catalyst layer formed on the carrier, the catalyst layer including a metal-containing compound, and the difference ?YI in yellowness expressed by the formula being 3-20, where YIA is the yellowness of the carrier, and YIB is the yellowness of the catalyst support.

Abstract: A composition for an electrochemical device functional layer contains a binder, heat-resistant fine particles, and a particulate polymer that has a volume-average particle diameter of more than 1.0 ?m and not more than 10.0 ?m and that includes a polymer A including a (meth)acrylic acid ester monomer unit and an acidic group-containing monomer unit and a polymer B that is a different polymer from the polymer A.

Abstract: A conjugated diene polymer contains at least conjugated diene monomer units, wherein the conjugated diene polymer has an ionic strength index of 25% or more and a molecular weight distribution curve where two or more peaks are present when measured by gel permeation chromatography, wherein when among the peaks in the molecular weight distribution curve, a peak having the largest peak area proportion is defined as a first peak, and a peak having the second largest peak area proportion is defined as a second peak, the conjugated diene polymer has an entire molecular weight distribution (Mw/Mn) of 1.50 or more, the first peak has a molecular weight distribution (Mw/Mn) of 1.30 or less, and the second peak has a molecular weight distribution (Mw/Mn) of 1.30 or less.

Abstract: A non-aqueous secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, and a separator. The positive electrode includes a current collector and a positive electrode mixed material layer formed on the current collector. The positive electrode mixed material layer contains a positive electrode active material, a conductive material, and a polymer A. The polymer A includes a nitrile group-containing monomer unit and either or both of a conjugated diene monomer unit and an alkylene structural unit. The content of the polymer A in the positive electrode mixed material layer is not less than 0.01 mass % and not more than 8 mass %. The separator includes a separator substrate and an adhesive layer formed on the separator substrate. The adhesive layer contains a polymer B and has a ratio of coverage by the polymer B of not less than 3% and not more than 70%.

Abstract: A slurry composition for a non-aqueous secondary battery adhesive layer contains organic particles, a sulfosuccinic acid ester or a salt thereof, a hydrocarbon having a molecular weight of 1,000 or less, and water.

Abstract: Provided is a hydrogenated ring-opened polymer having excellent ductility. The hydrogenated ring-opened polymer includes 90 mass % or more of norbornene-derived structural units. The proportion of meso diads of cis-structural units (I) of formula (I), shown below, included among the norbornene-derived structural units is not less than 0% and not more than 30% or is not less than 70% and not more than 100%. Trans-structural units (II) of formula (II), shown below, constitute a proportion of not less than 0.5% and not more than 20% among the total of the cis-structural units (I) of formula (I) and the trans-structural units (II) of formula (II).

Abstract: A conductive paste for an electrode mixed material layer has a water content of 1,000 ppm or less. The paste contains a conductive additive, not less than 3 parts by mass and not more than 200 parts by mass of a polymer per 100 parts by mass of the conductive additive, and not less than 12 parts by mass and not more than 350 parts by mass of expandable particles per 100 parts by mass of the conductive additive. The polymer includes at least one functional group selected from the group consisting of a carboxyl group, a hydroxyl group, an amino group, an epoxy group, an oxazoline group, a sulfo group, a nitrile group, an ester group, and an amide group. The expandable particles have an initial thermal decomposition temperature of not lower than 120° C. and not higher than 400° C.