Flame retardant thermoplastic polycarbonate polymers

Details Flame retardant thermoplastic polycarbonate polymers Flame retardant thermoplastic polycarbonate polymers

1984-12-03

1985-12-03

Lee, Lester L.

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

Synthetic resins

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

524121, 524129, 525461, 525470, 528167, 528169, 528398, 528400, C08G 6362

Patent

active

045566984

ABSTRACT:
This invention claims flame retardant polycarbonate resin compositions comprising an aromatic carbonate polymer and, as a novel flame retardant additive therefor, a phosphorus-containing polycarbonate composition produced by carrying out a polycarbonate condensation in which at least part of the diol compound is a bishydroxyalkylphosphine oxide. Also described are the novel flame retardants per se.

REFERENCES:
patent: 3933734 (1976-01-01), Mark et al.
patent: 4036809 (1977-07-01), Keblys
patent: 4087408 (1978-05-01), Moedritzer
patent: 4195156 (1980-03-01), Bruckdorfer
patent: 4280951 (1981-07-01), Saito et al.
patent: 4322520 (1982-03-01), Schmidt et al.
patent: 4401802 (1983-08-01), Schmidt et al.
patent: 4444930 (1984-04-01), Guerin et al.

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