发明授权
US4575547A Low-melting aromatic polyesters of trifluoromethyl terephthalic acid or ester forming derivatives thereof 失效
三氟甲基对苯二甲酸的低熔点芳族聚酯或其形成酯的衍生物

Low-melting aromatic polyesters of trifluoromethyl terephthalic acid or
ester forming derivatives thereof
摘要:
Aromatic polyesters exhibiting melt processability are disclosed. The polyesters comprise repeating units of the formula ##STR1## wherein X is hydrogen, halogen, alkyl or nitro. The polyesters exhibit low-melting properties, melt processability and melt anisotropy. The aromatic polyesters can be melt processed to films and fibers.
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