Flame retardant polycarbonates

Details Flame retardant polycarbonates Flame retardant polycarbonates

1982-03-22

1983-10-04

Kight, III, John

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...

524162, 524418, 528201, C08K 330

Patent

active

044080050

ABSTRACT:
Flame retardant polycarbonate compositions are prepared from dihydric aromatic compounds and alkali metal hydrogen sulfite. These compositions are more effective than similar compositions containing alkali metal sulfites.

REFERENCES:
patent: 3036036 (1962-05-01), Howe
patent: 3475372 (1969-10-01), Gable
patent: 4028297 (1977-06-01), Webb
patent: 4134936 (1979-01-01), Byrne et al.
patent: 4327015 (1982-04-01), Druschke et al.

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