Solid phase post polymerization condensation of thermotropic pol

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528188, 528480, 528481, C08G 7316

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active

049546066

ABSTRACT:
Thermotropic polyester imides having recurrent units corresponding to the following formulae: ##STR1## have excellent dimensional stability under heat and are suitable for the production of moulded articles, filaments, fibres and films.

REFERENCES:
patent: 4383105 (1983-05-01), Irwin
patent: 4631333 (1986-12-01), Kricheldorf et al.
patent: 4760124 (1988-07-01), Matsumura et al.
Patent Abstracts of Japan, Band 7, Nr. 155 (C-175)[1300], 4/1983; & JP-A-58 67 725 (Mitsui Toatsu Kagaku K.K.) 1983).

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