Alkanediyl bromo-substituted arylenediyl carbonate polymers

Details Alkanediyl bromo-substituted arylenediyl carbonate polymers Alkanediyl bromo-substituted arylenediyl carbonate polymers

1983-08-08

1984-12-18

Welsh, Maurice J.

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...

260463, 524411, 524412, 525 67, 525185, C08G 6362

Patent

active

044891890

ABSTRACT:
Carbonate polymer contains both divalent aromatic groups substituted by at least two bromo groups and at least one divalent aliphatic group. The presence of the divalent aliphatic group or groups reduces the melting range of the carbonate polymer. The carbonate polymer is fire resistant and may be admixed with flammable polymer to provide a composition having greater fire resistance than that of the flammable polymer.

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