Liquid crystalline polyesteretherimides

Details Liquid crystalline polyesteretherimides Liquid crystalline polyesteretherimides

1990-09-17

1991-07-23

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

528170, 528125, 528128, 528172, 528173, 528322, C08D20948, C08G 7316

Patent

active

050345400

ABSTRACT:
Liquid crystalline polyesteretherimides are prepared by a transesterification reaction involving hydroquinone, 4,4'-biphenol or 2,6-dihydroxynaphthalene and esters of certain bisimidodicarboxylic acids, or from the free bisimidodicarboxylic acids and esters of the dihydroxyaromatic compounds. In addition to being liquid crystalline, the polyesteretherimides are crystalline in the solid state and have relatively high glass transition temperatures.

REFERENCES:
patent: 4988792 (1991-01-01), Schissel et al.

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