Aramid compositions of improved solubility and flame retardancy

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

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528337, 528340, C08G 7902

Patent

active

054202256

ABSTRACT:
Aramid polymers, e.g., those derived from p-phenylene diamine and terephthaloyl chloride, can have their solubility properties and flame retardancy enhanced by the incorporation therein of a moiety derived from a bis(aminophenoxyphenyl) phosphine oxide, e.g., bis(3-aminophenoxy-4'-phenyl) phenylphosphine oxide.

REFERENCES:
Angewandte Chemie; Internation Edition in English; vol. 28, No. 3; Mar. 1989; pp. 253-267.

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