Weather and impact resistant resin composition and process for i

Details Weather and impact resistant resin composition and process for i Weather and impact resistant resin composition and process for i

1985-12-30

1987-10-13

Ziegler, Jacob

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 73, 525 81, 525 82, 525 84, 525 85, C08L 5104

Patent

active

046999477

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 .mu.m dispersed 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 .mu.m 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.

REFERENCES:
patent: 4567233 (1986-01-01), Tomono et al.

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