Importance

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Abstract

A heat and impact resistant thermoplastic resin composition which comprises: 100 parts by weight of a resin mixture comprising from 20 to 80% by weight of a polyamide resin (A) and from 20 to 80% by weight of a graft copolymer resin (B) obtained by graft polymerizing from 30 to 65 parts by weight of a monomer mixture comprising from 30 to 80% by weight of an aromatic vinyl monomer, from 5 to 65% by weight of an N-substituted maleimide monomer and from 0 to 40% by weight of other vinyl monomer copolymerizable with these monomers (provided that the total amount of said monomer mixture is 100% by weight) to from 35 to 70 parts by weight of a conjugated diene rubber; from 0 to 40 parts by weight of a copolymer resin (C) comprising from 30 to 80% by weight of an aromatic vinyl monomer component, from 5 to 65% by weight of an N-substituted maleimide monomer component and from 0 to 40% by weight of other vinyl monomer component copolymerizable with these monomers (provided that the total amount of the monomer components is 100% by weight); and from 0 to 15 parts by weight of a copolymer resin (D) comprising from 60 to 90% by weight of an aromatic vinyl monomer component, from 0 to 40% by weight of a vinyl cyanide monomer component and from 0 to 40% by weight of a methyl methacrylate monomer component (provided that the total amount of the monomer components is 100% by weight).

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First Claim