Thermotropic polyesterimide, a process for its preparation, and

Details Thermotropic polyesterimide, a process for its preparation, and Thermotropic polyesterimide, a process for its preparation, and

1993-04-07

1995-07-11

Michl, Paul R.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528183, 528184, 528188, 528271, 528289, 528310, 528322, C08G 7316

Patent

active

054322480

ABSTRACT:
A thermotropic polyesterimide, in which the liquid-crystalline phase is of nematic structure within a useful temperature range, consists of units of formula: ##STR1## the units being in the following ratios:

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H. R. Kricheldorf et al., Macromolecules 24, No. 5, pp. 1011-1016 (Mar. 4, 1991).

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