Fire retardant thermoplastic polyester and polyesterether compos

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with either...

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525408, 524 89, 524411, C08L 6702

Patent

active

046136517

ABSTRACT:
Thermoplastic polyester and polyesterether compositions having improved flame retardance, smoke generation and heat aging, reduced blooming and superior high temperature processability comprise a thermoplastic polyester or polyesterether resin derived from 1,4-butanediol and dimethyl terephthalate, antimony oxide, optionally fiberglass, and a chlorinated bisimide of the formula ##STR1##

REFERENCES:
patent: 3734758 (1973-05-01), Cyba
patent: 3748340 (1973-07-01), Hayes
patent: 4315882 (1982-02-01), Hiratsuka
patent: 4374220 (1983-02-01), Sonnenberg

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