Thermally stable polyesters containing trans-4,4'-stilbenedicarb

Details Thermally stable polyesters containing trans-4,4'-stilbenedicarb Thermally stable polyesters containing trans-4,4'-stilbenedicarb

1991-11-04

1993-03-16

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528302, 528303, 528304, C08G 6352, C08G 6302, C08G 6354

Patent

active

051945746

ABSTRACT:
Melt processable copolyesters having improved thermal stability are prepared from 1,4-butanediol, minor amounts of trans-4,4'-stilbenedicarboxylic acid and a dicarboxylic acid selected from terephthalic acid, isophthalic acid, and mixtures thereof.

REFERENCES:
patent: 3030335 (1962-04-01), Caldwell et al.
patent: 3317466 (1967-05-01), Goldberg et al.
patent: 4414382 (1983-11-01), Morris et al.
patent: 4459402 (1984-07-01), Morris et al.
patent: 4526822 (1985-07-01), Morris et al.
patent: 4728720 (1992-03-01), Morris et al.
Liquid Crystal Polymers (Jackson et al, 1989).

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