Flame resistant sulfur-bearing copolycarbonate

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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Details

528171, 528173, 528174, 528196, 528201, 528203, C08G 6362

Patent

active

045159378

ABSTRACT:
The invention relates to an aromatic, high molecular weight thermoplastic copolycarbonate comprising the reaction product of a sulfur-free aromatic diphenol, a sulfur-containing diphenol, a branching agent and a carbonic acid derivative, characterized in having improved flame resistance. The invention further relates to a process for the preparation of said copolycarbonate.

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English Language Translation of German, 2721 595 Offenlegungsschrift.

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