Heat-resistant high impact styrene resin, process for production

Details Heat-resistant high impact styrene resin, process for production Heat-resistant high impact styrene resin, process for production

1985-09-12

1986-12-23

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525 64, 525301, C08K 554

Patent

active

046313079

ABSTRACT:
This invention provides a styrene copolymer resin having heat resistance and impact resistance. The resin is a moldable thermoplastic resin obtained by copolymerizing 3 to 70% by weight of a rubbery polymer and 97 to 30% by weight in total of styrene and methacrylic acid, provided that the proportions of styrene and methacrylic acid are 97 to 65% by weight and 3 to 35% by weight, respectively. The styrene and methacrylic acid are partly grafted to the rubbery polymer.

REFERENCES:
patent: 4223096 (1980-09-01), Lee
patent: 4331784 (1982-05-01), Ishibashi
patent: 4456733 (1984-06-01), Hornbaker

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