The disclosure concerns compositions comprising: from about 40 wt. % to about 99.5 wt. % of a polymer base resin; N from 0 wt. % to about 60 wt. % of a reinforcing filler; from 0 wt. % to about 25 wt. % of a lubricant; and from about 0.05 wt. % to about 6 wt. % of a cross-linking agent; wherein the composition is treated to induce cross-linking, wherein the combined weight percent value of all components does not exceed 100 wt % and wherein the composition shows improved tensile fatigue versus a corresponding composition without the cross-linking agent.

Functionalized graphene sheets having a carbon to oxygen molar ratio of at least about 23:1 and method of preparing the same.

Provided is an electric component equipped with a live electrical part and an insulating resin molded article that is molded from a thermoplastic resin composition and is in contact with the live electrical part, wherein: the thermoplastic resin composition includes (A) 60 to 80 parts by mass of a polyphenylene ether resin or a mixture of a polyphenylene ether resin and a styrene resin, (B) 60 to 80 parts by mass of a hydrogenated block copolymer, (C) 5 to 30 parts by mass of a flame retardant, and (D) 0.1 to 3 parts by mass of titanium oxide (in an amount corresponding to 100 parts by mass of the total of (A) to (C)).

A composite resin material including: a first organic resin having a phenylene ether structure; and a second organic resin having a main skeleton composed of a polyester structure, one of the first organic resin and the second organic resin forming a continuous phase, the other one thereof being present within the continuous phase, as organic resin particles having an average particle diameter of 1 m or less.

Provided is a resin composition having an excellent balance of high impact resistance and fluidity, and excellent ductile fracture properties. The resin composition contains: a polyphenylene ether resin (a); and a hydrogenated block copolymer (b) including a hydrogenated block copolymer component (b-1) that includes two polymer blocks A of mainly a vinyl aromatic compound and two polymer blocks B of mainly a conjugated diene compound, and a hydrogenated block copolymer component (b-2) that includes two polymer blocks A of mainly a vinyl aromatic compound and one polymer block B of mainly a conjugated diene compound, with a mass ratio of the hydrogenated block copolymer component (b-1) relative to the hydrogenated block copolymer component (b-2) (hydrogenated block copolymer component (b-1)/hydrogenated block copolymer component (b-2)) of 5/95 to 95/5. Polypropylene content in the resin composition is less than 5 mass % when all resin components are taken to be 100 mass %, in total.

Provided is a resin composition having an excellent balance of high impact resistance and fluidity, and excellent ductile fracture properties. The resin composition contains: a polyphenylene ether resin (a); and a hydrogenated block copolymer (b) including a hydrogenated block copolymer component (b-1) that includes two polymer blocks A of mainly a vinyl aromatic compound and two polymer blocks B of mainly a conjugated diene compound, and a hydrogenated block copolymer component (b-2) that includes two polymer blocks A of mainly a vinyl aromatic compound and one polymer block B of mainly a conjugated diene compound, with a mass ratio of the hydrogenated block copolymer component (b-1) relative to the hydrogenated block copolymer component (b-2) (hydrogenated block copolymer component (b-1)/hydrogenated block copolymer component (b-2)) of 5/95 to 95/5. Polypropylene content in the resin composition is less than 5 mass % when all resin components are taken to be 100 mass %, in total.

Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.

Provided are a resin composition and a shaped product having excellent smoke generation properties and chemical resistance. The resin composition and the shaped product contain: a polyphenylene ether resin (I); a polypropylene resin (II); a hydrogenated block copolymer (III) that is a hydrogenated product of a block copolymer including a polymer block A and a polymer block B in which the total amount of vinyl bonding is 30-90%; and a phosphate ester compound (IV). Relative to 100 parts by mass, in total, of components (I) and (II), component (I) is 40-99 parts by mass, component (II) is 1-60 parts by mass, component (III) is 1-20 parts by mass, and component (IV) is 5-45 parts by mass. A partition ratio of component (IV) present in a fraction that dissolves in chloroform and component (IV) present in a fraction that dissolves in o-dichlorobenzene is 10 or more.

This disclosure is to provide a pellet excellent in modification effect of heat-resistant creeping property improvement of thermoplastic resins such as polyethylene and the like, and excellent in appearance as well. The pellet of this disclosure contains: 60 to 99 mass % of a polyphenylene ether resin (I); and 1 to 40 mass % of a block copolymer (II), which contains a polymer block P mainly formed of a vinyl aromatic compound, and a polymer block Q mainly formed of a conjugated diene compound of which a total amount of 1,2-vinyl bonding amount and 3,4-vinyl bonding amount is 5% or more and less than 50%, wherein: black spot foreign matters with a longitudinal diameter of more than 0.7 mm do not exist on front and back surfaces of a flat plate obtained by molding the pellet into four flat plates with a size of 90.0 mm50.0 mm2.0 mm.

This disclosure is to provide a pellet excellent in modification effect of heat-resistant creeping property improvement of thermoplastic resins such as polyethylene and the like, and excellent in appearance as well. The pellet of this disclosure contains: 60 to 99 mass % of a polyphenylene ether resin (I); and 1 to 40 mass % of a block copolymer (II), which contains a polymer block P mainly formed of a vinyl aromatic compound, and a polymer block Q mainly formed of a conjugated diene compound of which a total amount of 1,2-vinyl bonding amount and 3,4-vinyl bonding amount is 5% or more and less than 50%, wherein: black spot foreign matters with a longitudinal diameter of more than 0.7 mm do not exist on front and back surfaces of a flat plate obtained by molding the pellet into four flat plates with a size of 90.0 mm50.0 mm2.0 mm.