A soft polyolefin resin composition and an article molded therefrom are provided. The polyolefin resin includes: (A) 50 to 95% by weight of an ethylene-propylene block copolymer obtained by polymerization of a propylene homopolymer or an ethylene-propylene random copolymer with an ethylene-propylene rubber copolymer in stages in reactors; (B) 4.8 to 40% by weight of an ethylene-α-olefin rubber copolymer; and (C) 0.2 to 10% by weight of a copolymer of ethylene and a polar monomer, based on the total weight of components (A) to (C). The glass transition temperature of the rubber component in the ethylene-propylene block copolymer appears at −60 to −40° C. when measured by a dynamic mechanical analyzer, the melt index of the polyolefin resin composition measured at 230° C. under a load of 2.16 kg is 0.5 to 20 g/10 minutes, and the glass transition temperature of the rubber component in the polyolefin resin composition appears at −60 to −40° C. when measured by a dynamic mechanical analyzer.

A soft polyolefin resin composition and an article molded therefrom are provided. The polyolefin resin includes: (A) 50 to 95% by weight of an ethylene-propylene block copolymer obtained by polymerization of a propylene homopolymer or an ethylene-propylene random copolymer with an ethylene-propylene rubber copolymer in stages in reactors; (B) 4.8 to 40% by weight of an ethylene-α-olefin rubber copolymer; and (C) 0.2 to 10% by weight of a copolymer of ethylene and a polar monomer, based on the total weight of components (A) to (C). The glass transition temperature of the rubber component in the ethylene-propylene block copolymer appears at −60 to −40° C. when measured by a dynamic mechanical analyzer, the melt index of the polyolefin resin composition measured at 230° C. under a load of 2.16 kg is 0.5 to 20 g/10 minutes, and the glass transition temperature of the rubber component in the polyolefin resin composition appears at −60 to −40° C. when measured by a dynamic mechanical analyzer.

A resin composition includes: a vinyl-containing polyphenylene ether resin; a compound of Formula (1); and a compound of Formula (2), a compound of Formula (3), a compound of Formula (4) or a combination thereof. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following improvements can be achieved, including prepreg viscosity variation ratio, prepreg stickiness resistance, amount of void after lamination, multi-layer board thermal resistance, glass transition temperature, ratio of thermal expansion, copper foil peeling strength, dissipation factor and laminate appearance.

A resin composition includes: a vinyl-containing polyphenylene ether resin; a compound of Formula (1); and a compound of Formula (2), a compound of Formula (3), a compound of Formula (4) or a combination thereof. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following improvements can be achieved, including prepreg viscosity variation ratio, prepreg stickiness resistance, amount of void after lamination, multi-layer board thermal resistance, glass transition temperature, ratio of thermal expansion, copper foil peeling strength, dissipation factor and laminate appearance.

Provided is a thermoplastic elastomer composition for a weather strip material which is used for obtaining a molded product which has excellent adhesiveness to both a thermoplastic elastomer adherend and a crystalline ethylene resin adherend and also has excellent heat resistance at a fused portion. The thermoplastic elastomer composition for a weather strip material according to the disclosure contains: an ethylene-α-olefin copolymer rubber (A); an α-olefin crystalline thermoplastic resin (B) having a melting point of 140° C. or higher; an olefin block copolymer (C) obtained by hydrogenating a block copolymer which has a conjugated diene polymer block with a 1,2-vinyl bond content of 25 mol % or less at both ends and also has a conjugated diene polymer block with a 1,2-vinyl bond content of more than 25 mol % in the middle; and a crystalline ethylene resin (D).

Provided is a thermoplastic elastomer composition for a weather strip material which is used for obtaining a molded product which has excellent adhesiveness to both a thermoplastic elastomer adherend and a crystalline ethylene resin adherend and also has excellent heat resistance at a fused portion. The thermoplastic elastomer composition for a weather strip material according to the disclosure contains: an ethylene-α-olefin copolymer rubber (A); an α-olefin crystalline thermoplastic resin (B) having a melting point of 140° C. or higher; an olefin block copolymer (C) obtained by hydrogenating a block copolymer which has a conjugated diene polymer block with a 1,2-vinyl bond content of 25 mol % or less at both ends and also has a conjugated diene polymer block with a 1,2-vinyl bond content of more than 25 mol % in the middle; and a crystalline ethylene resin (D).

Provided is a thermoplastic elastomer composition for a weather strip material which is used for obtaining a molded product which has excellent adhesiveness to both a thermoplastic elastomer adherend and a crystalline ethylene resin adherend and also has excellent heat resistance at a fused portion. The thermoplastic elastomer composition for a weather strip material according to the disclosure contains: an ethylene-α-olefin copolymer rubber (A); an α-olefin crystalline thermoplastic resin (B) having a melting point of 140° C. or higher; an olefin block copolymer (C) obtained by hydrogenating a block copolymer which has a conjugated diene polymer block with a 1,2-vinyl bond content of 25 mol % or less at both ends and also has a conjugated diene polymer block with a 1,2-vinyl bond content of more than 25 mol % in the middle; and a crystalline ethylene resin (D).

A thermoplastic elastomer composition contains a styrene block copolymer (SBC), a polyolefin or copolyester-based thermoplastic elastomer and uncoated hollow glass spheres, wherein the polyolefin or thermoplastic elastomer is functionalized by a grafting reaction with a vinyl alkoxysilane, a vinyl acyloxysilane, a methacryloxyalkyl alkoxysilane or a methacryloxyalkyl acyloxysilane or with an anhydride of an unsaturated organic acid. A method for producing a thermoplastic elastomer using the thermoplastic elastomer composition, and the thermoplastic elastomer obtained in the process are also disclosed. Furthermore, various uses of the thermoplastic elastomer, in which a thermoplastic elastomer having low density and yet good mechanical properties is required, are disclosed.

A thermoplastic elastomer composition contains a styrene block copolymer (SBC), a polyolefin or copolyester-based thermoplastic elastomer and uncoated hollow glass spheres, wherein the polyolefin or thermoplastic elastomer is functionalized by a grafting reaction with a vinyl alkoxysilane, a vinyl acyloxysilane, a methacryloxyalkyl alkoxysilane or a methacryloxyalkyl acyloxysilane or with an anhydride of an unsaturated organic acid. A method for producing a thermoplastic elastomer using the thermoplastic elastomer composition, and the thermoplastic elastomer obtained in the process are also disclosed. Furthermore, various uses of the thermoplastic elastomer, in which a thermoplastic elastomer having low density and yet good mechanical properties is required, are disclosed.

A thermoplastic elastomer composition contains a styrene block copolymer (SBC), a polyolefin or copolyester-based thermoplastic elastomer and uncoated hollow glass spheres, wherein the polyolefin or thermoplastic elastomer is functionalized by a grafting reaction with a vinyl alkoxysilane, a vinyl acyloxysilane, a methacryloxyalkyl alkoxysilane or a methacryloxyalkyl acyloxysilane or with an anhydride of an unsaturated organic acid. A method for producing a thermoplastic elastomer using the thermoplastic elastomer composition, and the thermoplastic elastomer obtained in the process are also disclosed. Furthermore, various uses of the thermoplastic elastomer, in which a thermoplastic elastomer having low density and yet good mechanical properties is required, are disclosed.