Process to synthesize liquid crystalline polyesters

Details Process to synthesize liquid crystalline polyesters Process to synthesize liquid crystalline polyesters

1990-05-01

1992-09-22

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528176, 528272, C08G 6300, C08G 6700, C08G 6302

Patent

active

051497573

ABSTRACT:
Liquid crystalline polyesters of the aromatic triad type are formed by reaction of an alkylene bis(acetoxybenzoate) monomer and an aromatic dicarboxylic acid monomer with removal of acetic acid by-product therefrom.

REFERENCES:
patent: 3772405 (1973-11-01), Hamb
patent: 3991013 (1976-11-01), Pletcher

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