发明名称 |
Liquid crystalline polyester compositions and their uses |
摘要 |
<p>There are provided liquid crystalline polyesters comprising 4'-hydroxy-4-stilbenecarboxylic acid type units, dicarboxylic acid units acting as a mesogen such as 4,4'-stilbenecarboxylic acid and catechol units as essential ingredients, and a liquid crystalline polyester composition comprising said polyesters and optically active liquid crystalline polyesters consisting essentially of 4,4'-stilbenedicarboxylic acid type units and aliphatic diol units having asymmetric carbons. <IMAGE></p> |
申请公布号 |
EP0905164(A2) |
申请公布日期 |
1999.03.31 |
申请号 |
EP19980307942 |
申请日期 |
1998.09.30 |
申请人 |
NIPPON MITSUBISHI OIL CORPORATION |
发明人 |
KOMATSU, SHINICHI;TAKAGI, AKIRA;NISHIMURA, SUZUSHI;SUZUKI, SHINICHIRO |
分类号 |
C08G63/60;(IPC1-7):C08G63/60 |
主分类号 |
C08G63/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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