Abstract: A polymer composition comprising: at least one polymer ingredient selected from the group consisting of a polymer (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a polymer (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the polymer (A) and the polymer (B) are a reaction product of a specific copolymer (X) with a cross-linking agent.

Abstract: A petroleum resin that is a polymer of a raw material component including a C9 fraction containing an aromatic olefin and dicyclopentadiene, in which a ratio C2/C1 (mass ratio) of a content C2 of the aromatic olefin to a content C1 of the dicyclopentadiene in the raw material component is 0.35 or more and 0.5 or less, and a softening point is 150° C. or higher.

Abstract: Disclosed is a sulfur-containing silane compound for obtaining a cross-linked product which does not generate poor dispersion or adhesion between an organic polymer material and an inorganic material and exhibits excellent viscoelastic properties or adhesive properties, or a composition comprising the same. In particular, disclosed is a sulfur-containing silane compound represented by formula (1): wherein a, b, c, d, e, L, and each R group is as defined herein.

Abstract: Provided is a silane coupling agent composition that can result in improvement in the various characteristics of a rubber composition and/or a crosslinking substance thereof. The silane coupling agent composition of the present invention includes a silane compound and a silanization reaction accelerator.

Abstract: Disclosed is a rubber composition which suppresses poor mixing or poor dispersion from occurring between an organic polymer material derived from natural rubber and an inorganic material such as silica and exhibits excellent viscoelastic properties, and a silane coupling agent composition used in the same. Also disclosed is a silane coupling agent composition comprising a protein modifying agent and a silane compound represented by Formula (1): wherein each of the variables is as defined herein.

Abstract: A resin composition including: at least one resin ingredient selected from the group made of a resin (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a resin (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the resin (A) and the resin (B) are a reaction product of a cross-linking agent with a maleic anhydride-modified thermoplastic resin having a melting point of 68° C. to 134° C. and a maleation rate of 0.5 to 2.5% by mass.

Abstract: The invention provides a thermoplastic elastomer composition that includes a resin component and an additive, in which the resin component includes a styrene-based block copolymer containing a covalently crosslinked part, and a polyolefin having a weight average molecular weight of 80,000 to 500,000, a content of the styrene-based block copolymer is 40%-95% by mass relative to the entire resin component, and a content of the polyolefin is 5%-60% by mass relative to the entire resin component; and the additive includes an acid-modified compound having a weight average molecular weight of 1,000 or more and less than 80,000 and having a functional group derived from a carboxylic acid- and/or its derivative, and/or a polyester compound, and a crosslinking agent capable of crosslinking at least one of the styrene-based block copolymer and the polyolefin.

Abstract: A composition for foam molding including: a component (A): an olefin-based polymer; a component (B): a styrene block copolymer having no chemical-bond cross-linking moiety; a component (C): a process oil; and a component (D): a foaming agent, wherein a content of the component (A) relative to a total mass of the component (A) and the component (B) is 5 to 36% by mass, and a content of the component (C) relative to 100 parts by mass of the total mass of the component (A) and the component (B) is 160 to 350 parts by mass.

Abstract: The invention provides a silane compound for obtaining a cross-linked product which hardly generates poor dispersion or adhesion between an organic polymer material and an inorganic material and exhibits excellent viscoelastic properties or adhesive properties, or a composition comprising the silane compound. In particular, the invention provides a silane compound represented by formula (1): wherein R1, R2, and R3 each independently represents a hydrocarbon group optionally containing an oxygen atom or a nitrogen atom, or a hydrogen atom; L represents a hydrocarbon group optionally containing at least one heteroatom selected from the group consisting of nitrogen, oxygen, and sulfur; and the other variables are as defined herein.

Abstract: Provided are: a silane coupling agent composition with which it is possible to obtain a rubber composition having excellent scorch resistance and uncrosslinked compound viscosity; and a crosslinked product of a rubber composition having excellent viscoelastic properties, and a tire using the same which has an excellent balance of wet grip performance and low-fuel consumption.

Abstract: Provided is a silane coupling agent composition with which it is possible to obtain a rubber composition having excellent scorch resistance and a crosslinked product of a rubber composition having excellent viscoelastic properties.

Abstract: Provided is a silane coupling agent composition with which it is possible to obtain a crosslinked product of a rubber composition having excellent scorch resistance and a rubber composition crosslinked product having excellent hardness and viscoelastic properties.

Abstract: A conductive thermoplastic elastomer composition comprising: at least one elastomer component selected from the group consisting of elastomeric polymers (A) each of which has a side chain (a) containing a hydrogen-bond cross-linkable moiety having a carbonyl-containing group and/or a nitrogen-containing heterocycle and has a glass-transition point of 25° C. or below, and elastomeric polymers (B) each of which contains a hydrogen-bond cross-linkable moiety and a covalent-bond cross-linking moiety in a side chain and has a glass-transition point of 25° C. or below; a paraffin oil; and a branched multi-layered carbon nanotube, wherein a content ratio of the paraffin oil is 1 to 65% by mass relative to a total amount of the composition.

Abstract: Provided is a silane coupling agent composition with which it is possible to obtain a rubber composition having excellent workability and a crosslinked product of a rubber composition having an excellent hardness, viscoelastic properties, and tensile strength.

Abstract: A rubber composition, comprising: an uncross-linked rubber having no hydrogen-bond cross-linkable moiety; and at least one polymer component selected from the group consisting of polymers (A) each of which has a side chain (a) containing a hydrogen-bond cross-linkable moiety having a carbonyl-containing group and/or a nitrogen-containing heterocycle and has a glass-transition point of 25° C. or below and polymers (B) each of which contains a hydrogen-bond cross-linkable moiety and a covalent-bond cross-linking moiety in a side chain and has a glass-transition point of 25° C. or below; wherein an amount of the polymer component contained is 0.01 to 200 parts by mass relative to 100 parts by mass of the uncross-linked rubber, and the polymers (A) and the polymers (B) are each a reaction product of a maleic anhydride graft-modified thermoplastic polymer having a maleation ratio of 0.1 to 10% by mass and a cross-linkable compound.

Abstract: A thermoplastic elastomer composition includes the following components (I) and (II): [component (I)] at least one polymer component selected from the group made of particular polymers (A) and particular polymers (B); and [component (II)] a cross-linked styrene-based block copolymer which contains a covalent-bond cross-linking moiety and no hydrogen-bond cross-linkable moiety.

Abstract: A polymer composition including: at least one polymer ingredient selected from the group consisting of a polymer (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a polymer (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the polymer (A) and the polymer (B) are a reaction product of a cross-linking agent with a maleic anhydride graft-modified thermoplastic polymer having a melting point of 64° C. or lower and a maleation rate of 0.1 to 3.0% by mass, and a type A durometer hardness measured under a temperature condition of 20±5° C. according to JIS K6253-3: 2012 is 0 to 49.

Abstract: Disclosed is a rubber composition which suppresses poor mixing or poor dispersion from occurring between an organic polymer material derived from natural rubber and an inorganic material such as silica and exhibits excellent viscoelastic properties, and a silane coupling agent composition used in the same. Also disclosed is a silane coupling agent composition comprising a protein modifying agent and a silane compound represented by Formula (1): wherein each of the variables is as defined herein.

Abstract: Disclosed is a rubber composition which suppresses poor mixing or poor dispersion from occurring between an organic polymer material derived from natural rubber and an inorganic material such as silica and exhibits excellent viscoelastic properties, and a silane coupling agent composition used in the same. Also disclosed is a silane coupling agent composition comprising a silane compound represented by Formula (1): wherein each variable is as defined herein.

Abstract: Disclosed is a sulfur-containing silane compound for obtaining a cross-linked product which does not generate poor dispersion or adhesion between an organic polymer material and an inorganic material and exhibits excellent viscoelastic properties or adhesive properties, or a composition comprising the same. In particular, disclosed is a sulfur-containing silane compound represented by formula (1): wherein a, b, c, d, e, L, and each R group is as defined herein.