发明授权
US4954606A Solid phase post polymerization condensation of thermotropic polyester imides 失效
热致聚酯酰亚胺的固相后聚合冷凝

Solid phase post polymerization condensation of thermotropic polyester
imides
摘要:
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.
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