Flameproof thermoplastic resin compositions

Details Flameproof thermoplastic resin compositions Flameproof thermoplastic resin compositions

1998-02-09

1999-09-14

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524141, 524450, C08K 5523

Patent

active

059524081

ABSTRACT:
The present invention relates to flameproof thermoplastic resin compositions comprising (A) a base resin comprising (1) 75 to 96% by weight of a thermoplastic, halogen-free polycarbonate, (2) 4 to 25% by weight of a styrene-containing graft copolymer, and (3) 0 to 10% by weight of a styrene-containing copolymer, (B) 5 to 20 parts by weight, per 100 parts by weight of the base resin (A), of a phosphate composition, and (C) 0.05 to 10 parts by weight, per 100 parts by weight of the base resin (A), of a zeolite. The addition of the zeolite component provides thermoplastic resin compositions with a good combination of physical properties, including improved long-term heat stability.

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