Thermoplastic resin composition

Details Thermoplastic resin composition Thermoplastic resin composition

C - Chemistry, Metallurgy

08

L

400/3029

C08L 51/10 (2006.01) C08L 25/12 (2006.01) C08L 51/00 (2006.01) C08L 69/00 (2006.01)

Patent

CA 1238439

ABSTRACT A thermoplastic resin composition having excellent heat resistance, impact resistance, moldability and platability, which comprises: (i) from 10 to 90% by weight of a thermoplastic polycarbonate; (ii) from 10 to 90% by weight of a graft copolymer obtained by firstly polymerizing a monomer mixture comprising more than 30 and not more than 50% by weight of acrylonitrile and at least 50 and less than 70% by weight of styrene, as monomers for the first stage of graft polymerization, in the presence of a rubber-like polymer, and then polymerizing a monomer mixture comprising from 15 to 40% by weight of acrylonitrile and from 60 to 85% by weight of .alpha.-methylstyrene, as monomers for the second stage of graft polymerization, in the presence of the polymer obtained in the first stage; and (iii) from 0 to 60% by weight of a copolymer obtained by co-polymerizing from 50 to 80% by weight of an aromatic vinyl monomer and from 20 to 50% by weight of a vinyl cyanide monomer; the total amount of components (i), (ii) and (iii) being 100% by weight.

495451

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