Blends of polycarbonate with rubber and monovinylidene aromatic

Details Blends of polycarbonate with rubber and monovinylidene aromatic Blends of polycarbonate with rubber and monovinylidene aromatic

1979-05-03

1980-08-19

Danison, Walter C.

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

Synthetic resins

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

525 69, 525 92, 525 93, C08L 6900, C08L 900

Patent

active

042185440

ABSTRACT:
Blends of polycarbonate, such as a polycarbonate of bisphenol-A, with (1) a grafted and nongrafted rubber, such as a diene rubber and a diene rubber grafted with a polar polymer; (2) a monovinylidene aromatic/carboxylic anhydride copolymer, such as styrene/maleic anhydride copolymer, and (3) a compatible polymer, such as styrene/acrylonitrile copolymer, exhibit improved impact strength, melt flow properties and heat resistance. Such blends are particularly useful in the manufacture of molded parts which must be exposed to high temperature during manufacture and use.
An example of a particularly desirable blend is a blend of a homopolycarbonate of bisphenol-A with styrene/maleic anhydride copolymer and an ABS resin containing grafted and nongrafted butadiene rubber and styrene/acrylonitrile random copolymer.

REFERENCES:
patent: 3130177 (1964-04-01), Grabowski
patent: 3162695 (1964-12-01), Grabowski
patent: 3239582 (1966-03-01), Keskkula et al.
patent: 3655824 (1972-04-01), Kato et al.
patent: 3862998 (1975-01-01), Kochler et al.
patent: 3880783 (1975-04-01), Serini et al.
patent: 3882192 (1975-05-01), Elghani et al.
patent: 3966842 (1976-06-01), Ludwig et al.
patent: 3988389 (1976-10-01), Margotte et al.
patent: 4122130 (1978-10-01), Fava

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