Abstract: The present invention aims to provide a viscosity-index improving agent having an excellent friction reduction effect to reduce friction of a lubricating oil composition when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent. The present invention relates to, for example, a viscosity-index improving agent containing: (co)polymer (A) containing, as an essential constituent monomer, a polyolefin-based monomer (a) represented by the following formula (1); an ester oil (B1) having a kinematic viscosity at 100° C. of 1.00 to 2.50 mm2/s; and an ester oil (B2) having a kinematic viscosity at 100° C. of 2.51 to 5.

Abstract: A two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties. The two-component curable urethane adhesive contains: a main agent; and a curing agent, the main agent containing at least one of a hydroxy group-containing urethane prepolymer (P1) or a polyol component (A), the hydroxy group-containing urethane prepolymer (P1) being a reaction product between the polyol component (A) and an organic polyisocyanate component (B), the curing agent containing at least one of an isocyanate group-containing urethane prepolymer (P2) or an organic polyisocyanate component (B), the isocyanate group-containing urethane prepolymer (P2) being a reaction product between the polyol component (A) and the organic polyisocyanate component (B), and the two-component curable urethane adhesive satisfies properties (1) to (5) disclosed herein.

Abstract: The present invention aims to provide a fiber sizing agent composition capable of providing high adhesion between fibers and a matrix resin, and also capable of forming fiber bundles with high sizing properties and reduced fluffing. A fiber sizing agent composition (C) of the present invention contains an epoxy resin (A) having an aromatic ring and not having a (meth)acryloyl group, and a (meth)acrylate (B).

Abstract: A composition for absorbing carbon dioxide including an ionic liquid (A) containing a cation and an anion, and a protic compound (B) having a relative permittivity at 25° C. of 20 or more, wherein the cation at least includes a cation represented by the formula (1), the anion includes an anion where an acid dissociation constant (pKa) at 25° C. of its conjugate acid in water is 4.5 or more, and the ratio of a value obtained by multiplying the number of hydroxyl groups of the protic compound (B) by the number of moles of the protic compound (B) to the number of moles of the ionic liquid (A) [number of moles of protic compound (B)/number of moles of ionic liquid (A)] is 0.2 to 1.0: wherein R1 and R2 each independently represent a hydrogen or a C1-C6 linear alkyl group.

Abstract: An object of the present invention is to provide a shoe sole exhibiting small compressive strain. The present invention relates to a block polymer (X) for a shoe sole, containing as constituent units: a block of polyolefin (a) below; and a block of polyalkylene glycol (b) below, the polyolefin (a) containing propylene and ethylene as constituent monomers with a weight ratio of propylene to ethylene (propylene/ethylene) within a range of 90/10 to 99.5/0.5, and the polyalkylene glycol (b) containing C3-C4 alkylene glycol as a constituent monomer.

Abstract: The present invention aims to provide a viscosity index improver composition capable of providing a lubricant composition that has an excellent viscosity index improving effect, excellent antifoaming properties, and excellent persistence of the antifoaming properties. The present invention relates to a viscosity index improver composition, containing: a (co)polymer (A) containing a monomer (a) represented by the following formula (1) as an essential monomer; a C18-C40 chain aliphatic alcohol (B); and a base oil, [Chem. 1] wherein R1 is a hydrogen atom or a methyl group; —X1— is a group represented by —O— or —NH—; R2 is a C2-C4 alkylene group; R3 and R4 are each independently a C8-C24 linear or branched alkyl group; and p is an integer of 0 to 20, with each R2 being optionally the same as or different from each other when p is 2 or greater.

Abstract: Provided is a testing method using a biomarker for prediction of success or failure of induction of labor, prediction of preterm birth, and prediction of preterm labor, which can be performed with high reliability, simply, and non-invasively. The testing method of the present invention is a testing method using an expression level of 15-PGDH as an index for success or failure of induction of labor, the testing method including a step of detecting the expression level of 15-PGDH in a specimen, the specimen being a vaginal secretion.

Abstract: The present invention aims to provide a cervical canal sealant that can be used as a sealant to stop bleeding in the uterus and vaginal discharge, particularly, a cervical canal sealant that can block the cervical canal to inhibit amniotic fluid leakage and that can also be peeled off without damaging reproductive tissue. The present invention relates to a sealant for reproductive organs in which a cured product (X) at 25° C. has a storage modulus G? of 200 to 2,000 kPa, the cured product (X) being a cured product obtained by curing the sealant for reproductive organs to a thickness of 120 to 150 ?m.

Abstract: The present invention relates to a viscosity index improver containing a copolymer (A) that contains, as essential constituent monomers, a fluorine atom-containing monomer (a) represented by the following formula (1) and a monomer (b) represented by the following formula (2), wherein the copolymer (A) has a solubility parameter of 8.1 to 10.0 (cal/cm3)1/2, and a mass ratio (b/a) of the monomer (b) to the monomer (a) in the monomers constituting the copolymer (A) is 0.

Abstract: Provided are a moisture resistance improver that yields a water-based adhesive for inorganic materials having exceptional adhesiveness of inorganic materials, and a water-based adhesive for inorganic materials in which the moisture resistance improver is used. The present invention is a moisture resistance improver (J) for a water-based adhesive for inorganic materials containing at least one (co)polymer (A) selected from the group consisting of (co)polymer (A1) and (co)polymer (A2). (Co)polymer (A1): a (co)polymer having a weight-average molecular weight of 3,000-150,000, and containing, as structural monomers, a C3-30 unsaturated (poly)carboxylic acid (anhydride) (a1) and a (meth)acrylic acid ester (a2) having solubility of 10 g or less per 100 g of water at 25° C.

Abstract: To provide an aqueous adhesive for an inorganic material with excellent adhesiveness to the inorganic material. An adhesive improver (J) for an aqueous adhesive of an inorganic material including a (co) polymer (A) containing an unsaturated (poly) carboxylic acid (anhydride) (al) as a constituent monomer, wherein a weight-average molecular weight of the (co) polymer (A) is 6,000 to 200,000; and an aqueous adhesive for an inorganic material (X) including the adhesive improver (J) for an aqueous adhesive of an inorganic material, a saccharide (B), a polycarboxylic acid (C) having 4 to 24 carbon atoms, and water.

Abstract: The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.

Abstract: A liquid component for an electrolytic capacitor includes at least one central atom selected from the group consisting of boron, aluminum, and silicon, and a ligand having a plurality of ligand atoms bonded to the central atom. The ligand atoms are at least one selected from the group consisting of oxygen and nitrogen, and are bonded to a carbon atom having no oxo group.

Abstract: To provide an aqueous adhesive for an inorganic material with excellent adhesiveness to the inorganic material. An adhesive improver (J) for an aqueous adhesive for an inorganic material including a copolymer (A) containing an unsaturated (poly) carboxylic acid (anhydride) (a1) and a (meth) acrylic acid alkyl (2 to 30 alkyl carbon atoms) ester (a2) as a constituent monomer; and an aqueous adhesive for an inorganic material (X) including the adhesive improver (J), saccharide (B), a polycarboxylic acid (C) having 4 to 24 carbon atoms and water.

Abstract: Provided is a polyol composition which has good dispersion stability of a polyuria resin contained therein and maintains a uniform appearance over time as well as during the production, and which can be reacted with polyisocyanate to obtain a polyurethane foam having excellent flame retardancy. The present invention pertains to a polyol composition that is used as a raw material for a polyurethane foam containing a urea group-containing reaction product having a compound (A), which has two primary amino groups and at least one polyalkyleneoxy chain (a) in the molecule, and a polyisocyanate (B) as essential raw materials, and being obtained by reacting the primary amino groups of the (A) with the isocyanate groups of the (B), wherein the polyalkyleneoxy chain (a) is a chain to which 1-100 moles of a C2-4 alkylene oxide have been added.

Abstract: A method for producing a protein composition containing a protein (A), a radical scavenger (RS), and at least one hydrogen-bond-formable compound (HC) selected from the group consisting of amino acids, peptides, and proteins other than the protein (A). The method including a sterilization step of radiosterilizing an unsterilized protein composition, wherein the unsterilized protein composition contains the protein (A), the radical scavenger (RS), and the hydrogen-bond-formable compound (HC), the protein (A) contains at least one functional group selected from the group consisting of sulfide, amide, hydroxyl, amino, and carboxyl groups, the hydrogen-bond-formable compound (HC) contains at least one functional group selected from the group consisting of sulfide, amide, hydroxyl, amino, and carboxyl groups, the at least one functional group in the protein (A) is capable of binding to the at least one functional group in the hydrogen-bond-formable compound (HC) via a hydrogen bond.

Abstract: The present invention provides an electrophotographic toner binder containing, as a main component, a polymer whose constituent monomer is a monomer having an ethylenically unsaturated bond, the electrophotographic toner binder being excellent in low-temperature fixability, hot-offset resistance, and storage stability. The present invention provides an electrophotographic toner binder containing a polymer (A) containing a monomer (a) and a monomer (x) different from the monomer (a) as essential constituent monomers, wherein the monomer (a) is a (meth)acrylate having a C18-C36 acyclic hydrocarbon group, the polymer (A) has an acid value of 40 or less, and the polymer (A) satisfies the following relational expression (1): 1.1 (cal/cm3)0.5?|SP(x)?SP(a)|?8.0 (cal/cm3)0.

Abstract: The present invention aims to provide core-shell particles that can be used in a method of separating a substance to be separated and that allow obtainment of a highly purified product. Each of a plurality of core-shell particles (C) of the present invention includes a core layer (P) as magnetic silica particles containing the magnetic metal oxide particles (A) and a shell layer (Q) that is a silica layer on a surface of the core layer (P), an average thickness of a plurality of shell layers (Q) being 3 to 3000 nm, wherein a weight percentage of the magnetic metal oxide particles (A) in the core layer (P) is 60 to 95 wt % based on a weight of the core layer (P), and the plurality of core-shell particles (C) have a particle size distribution with a coefficient of variation of 50% or less.

Abstract: Provided is a compound (Z) represented by the formula (1) or (2) below. In the formulas (1) and (2), Xs in each of the formulas (1) and (2) are each independently a carboxy group, a carboxylate group, or a monovalent group represented by the formula (3); at least one of Xs in each of the formulas (1) and (2) is a carboxy group or a carboxylate group; and at least one of Xs in each of the formulas (1) and (2) is a monovalent group represented by the formula (3) —C(O)—Y-(AO)n—R (3). In the formula (3), —Y— is —O—, —NH—, or —S—; A is a C2-C4 alkylene group; R is a hydrogen atom or a C1-C15 monovalent hydrocarbon group in which a hydrogen atom is optionally substituted with a C1-C10 alkoxy group; n is an integer of 4 to 1000; at least one of n As is an ethylene group; and when the formulas (1) and (2) each have multiple monovalent groups represented by the formula (3), each of —Y—, A, R, and n is the same or different among the monovalent groups.

Abstract: Provided is a block polymer (X) containing, as structural units, a polyolefin structure derived from a polyolefin (A) below and a polyolefin structure derived from a polyolefin (B) below. The polyolefin (A) contains a C3-C8 ?-olefin as a structural monomer with ?-olefin portions having an isotacticity of 70 to 100%, has a number average molecular weight of 1000 to 200000, and has a carbon-carbon double bond number of 0.01 to 8.0 per 1000 carbon atoms. The polyolefin (B) contains a C3-C8 ?-olefin as a structural monomer with ?-olefin portions having an isotacticity of 1 to 65%, and has a number average molecular weight of 1000 to 200000.