UV-Resistant flame retardant compositions of polycarbonates and

Details UV-Resistant flame retardant compositions of polycarbonates and UV-Resistant flame retardant compositions of polycarbonates and

1984-06-25

1986-03-18

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...

524505, 524508, 525 92, 525147, 525148, 525468, C08L 6900

Patent

active

045769915

ABSTRACT:
Flame retardant blends of an aromatic polycarbonate, preferably a tetraalkylsubstituted aromatic polycarbonate, and a copolymer of an alkenyl aromatic compound and a halogenated alkenyl aromatic compound are described. The ultraviolet light resistance and impact strength of articles molded from such compositions is superior to that of moldings prepared from corresponding blends of the polycarbonate, a polystyrene homopolymer and a conventional low molecular weight halogenated flame retardant agent.

REFERENCES:
patent: 3880783 (1975-04-01), Serini et al.
patent: 3890266 (1975-06-01), Serini et al.
patent: 3896185 (1975-07-01), Yonemitsu et al.
patent: 3978158 (1976-08-01), Yonemitsu et al.
patent: 4172103 (1979-10-01), Serini et al.

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