Styrenic polycarbonate alloys

Details Styrenic polycarbonate alloys Styrenic polycarbonate alloys

1988-12-19

1989-09-12

Pertilla, Theodore E.

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

Synthetic resins

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

525 92, C08L 6900

Patent

active

048661252

ABSTRACT:
Blends of polycarbonates and a graft copolymer comprising a copolymer of a vinyl aromatic monomer and one or more C.sub.2-8 alkyl esters of C.sub.3-6 ethylenically unsaturated carboxylic acids and methyl methacrylate grafted on to a styrene butadiene or styrene isoprene block copolymer, have improved toughness and processability. The blends may be prepared using intensive mixing or by solution blending.

REFERENCES:
patent: 4172859 (1979-10-01), Epstein
patent: 4461868 (1984-07-01), Lindner et al.
patent: 4530965 (1985-07-01), Bourland
patent: 4544706 (1985-10-01), Finch et al.
patent: 4564654 (1986-01-01), Serini et al.
patent: 4657970 (1987-04-01), Shiraki et al.
patent: 4680337 (1987-07-01), Biletch et al.
patent: 4696972 (1987-09-01), Bourland

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