Flame retardant aromatic polycarbonate compositions

Details Flame retardant aromatic polycarbonate compositions Flame retardant aromatic polycarbonate compositions

1989-08-28

1991-04-23

Marquis, Melvyn I.

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

Synthetic resins

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

524537, C08F28302

Patent

active

050101480

ABSTRACT:
Flame retardant compression moldable aromatic thermoplastic polycarbonate compositions are provided capable of satisfying the UL-94 V-O requirements and substantially lowering the heat and smoke emitted during burning. The aromatic thermoplastic polycarbonates utilize an aromatic polycarbonate resin in combination with an effective amount of a silicate resin having condensed triorganosiloxy units such as trimethylsiloxy units and diorganosiloxy units such as methylvinylsiloxy units.

REFERENCES:
patent: 3742083 (1973-06-01), Bialous
patent: 3933730 (1976-01-01), Hoogeboom
patent: 3971756 (1976-07-01), Bialous et al.
patent: 4110299 (1978-08-01), Mark
patent: 4916194 (1990-04-01), Policastro et al.
patent: 4954549 (1990-09-01), Lewis et al.

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