C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3043
C08L 51/04 (2006.01) C08L 25/06 (2006.01) C08L 33/06 (2006.01) C08L 33/20 (2006.01) C08L 51/00 (2006.01)
Patent
CA 1257943
Abstract of the Disclosure A process for preparing a thermoplastic resin composition capable of giving delustered articles which comprises blending (A) 10 to 30 parts by weight of a graft-copolymer and (B) 90 to 70 parts by weight of a copolymer, the total amount of the components (A) and (B) being 100 parts by weight; said graft-copolymer (A) being prepared by adding a nonionic or cationic polyacrylamide coagulant to (1) 70 to 95 parts by weight of diene rubber having a diene content of more than 50 % by weight to give a coagulated diene rubber, and then graft-polymerizing (2) 30 to 5 parts by weight of at least one monomer selected from the group consisting a vinyl aromatic monomer, a vinyl cyanide and a methacrylic acid ester onto the coagulated diene rubber, the total amount of the components (1) and (2) being 100 parts by weight; said polymer (B) being prepared by polymerizing at least one monomer selected from the group consisting of an aromatic vinyl monomer, a vinyl cyanide, an acrylic acid ester and a methacrylic acid ester. The resin composition prepared by the invention not only can give shaped articles having the delustered surface but also has well- balanced heat resistance and impact strength.
494586
Kakimoto Osamu
Nagoshi Fumiya
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Osler Hoskin & Harcourt Llp
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