Polyester-polyether copolymer composition

Details Polyester-polyether copolymer composition Polyester-polyether copolymer composition

1983-12-21

1985-11-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524222, 528283, C08K 557

Patent

active

045555427

ABSTRACT:
A polyester-polyether copolymer composition which comprises a polyester-polyether copolymer composed mainly of an aromatic dicarboxylic acid, 1,4-butanediol, and a polyalkylene glycol of average molecular weight from about 400 to 6,000, an effective amount of organotin compound, and an amide-containing phenolic antioxidant having the following general moiety: ##STR1## (where R is a secondary or tertiary alkyl group, R' is a hydrogen atom or a secondary or tertiary alkyl group, and n is from 0 to 6).

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patent: 4094857 (1978-06-01), Wolfe
patent: 4221703 (1980-09-01), Hoeschele
patent: 4251652 (1981-02-01), Tanaka et al.

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