A method of producing a silane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene.

A thermoplastic resin composition is highly resistant to thermal discoloration during retention in a molding process and provides molded articles excellent in fluidity, impact resistance, heat resistance, surface appearance, color reproduction properties and vibration damping properties. A thermoplastic resin composition includes 20 to 70 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a vinyl monomer selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, in the presence of a rubbery polymer having a volume average particle diameter of 80 to 600 nm; and 30 to 80 parts by mass of a copolymer (B) obtained by copolymerizing a vinyl monomer mixture including vinyl monomers selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, the vinyl monomer mixture including styrene and -methylstyrene as the aromatic vinyl monomers, (total of the graft copolymer (A) and copolymer (B) is 100 parts by mass).

A thermoplastic resin composition is highly resistant to thermal discoloration during retention in a molding process and provides molded articles excellent in fluidity, impact resistance, heat resistance, surface appearance, color reproduction properties and vibration damping properties. A thermoplastic resin composition includes 20 to 70 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a vinyl monomer selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, in the presence of a rubbery polymer having a volume average particle diameter of 80 to 600 nm; and 30 to 80 parts by mass of a copolymer (B) obtained by copolymerizing a vinyl monomer mixture including vinyl monomers selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, the vinyl monomer mixture including styrene and -methylstyrene as the aromatic vinyl monomers, (total of the graft copolymer (A) and copolymer (B) is 100 parts by mass).

A thermoplastic resin composition is highly resistant to thermal discoloration during retention in a molding process and provides molded articles excellent in fluidity, impact resistance, heat resistance, surface appearance, color reproduction properties and vibration damping properties. A thermoplastic resin composition includes 20 to 70 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a vinyl monomer selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, in the presence of a rubbery polymer having a volume average particle diameter of 80 to 600 nm; and 30 to 80 parts by mass of a copolymer (B) obtained by copolymerizing a vinyl monomer mixture including vinyl monomers selected from unsaturated nitrile monomers, aromatic vinyl monomers and (meth)acrylate ester monomers, the vinyl monomer mixture including styrene and -methylstyrene as the aromatic vinyl monomers, (total of the graft copolymer (A) and copolymer (B) is 100 parts by mass).

A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as hoses, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.

A silane-grafted polyolefin composition is disclosed, and includes a desired reduced specific weight material. The composition finds application in a wide array of uses, and in particular automotive and uses such as hoses, where this composition is used in place of conventional materials such as TPV and EPDM rubber formulations.

A method of producing a silane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene.

A method of producing a silane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene.

A tire is provided, which includes: a circular tire frame formed from a resin material containing an olefin resin; and an exterior member formed from a thermoplastic rubber vulcanizate which contains an ethylene-propylene-diene rubber and a polyethylene-based resin, and in which a content of the ethylene-propylene-diene rubber is from 20% by mass to 45% by mass with respect to a total mass of the thermoplastic rubber vulcanizate, and a fluidity is from 1.0 g/10 min to 60 g/10 min.

A tire is provided, which includes: a circular tire frame formed from a resin material containing an olefin resin; and an exterior member formed from a thermoplastic rubber vulcanizate which contains an ethylene-propylene-diene rubber and a polyethylene-based resin, and in which a content of the ethylene-propylene-diene rubber is from 20% by mass to 45% by mass with respect to a total mass of the thermoplastic rubber vulcanizate, and a fluidity is from 1.0 g/10 min to 60 g/10 min.