C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3035
C08L 51/00 (2006.01) C08L 25/12 (2006.01) C08L 51/04 (2006.01) C08L 55/02 (2006.01)
Patent
CA 1233589
ABSTRACT: A weather and impact resistant resin composition which comprises: a graft copolymer (A) composed of a continuous phase comprising from 10 to 90% by weight of residues of an aromatic vinyl monomer, from 10 to 40% by weight of residues of an .alpha.,.beta.-unsaturated nitrile monomer and from 0 to 80% by weight of residues of methyl methacrylate, and particles of an acrylate rubber having a weight average particle size of from 0.1 to 0.45 µm dipersed in the continuous phase, said acrylate rubber comprising from 70 to 98% by weight of residues of an alkyl acrylate having from 2 to 12 carbon atoms, from 1.92 to 27% by weight of residues of a vinyl monomer copolymerizable with the alkyl acrylate and from 0.08 to 3% by weight of residues of a multifunctional vinyl monomer; a graft copolymer (B) composed of a continuous phase comprising from 10 to 90% by weight of residues of an aromatic vinyl monomer, from 10 to 40% by weight of residues of an .alpha.,.beta.-unsaturated nitrile monomer and from 0 to 80% by weight of residues of methyl methacrylate, and particles of a rubber having a weight average particle size of from 0.5 to 5 µm dispersed in the continuous phase; and a copolymer (C) comprising from 10 to 90% by weight of residues of an aromatic vinyl monomer, from 10 to 40% by weight of residues of an .alpha.,.beta.-unsaturated nitrile monomer and from 0 to 80% by weight of residues of methyl methacrylate; the content of the total rubber particles being from 5 to 40% by weight.
457213
Marks & Clerk
Mitsubishi Monsanto Chemical Company
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