发明名称 |
Aromatic polyester which forms optically anisotropic melts and filaments thereof |
摘要 |
An aromatic polyester consisting essentially of (1) p-oxybenzoyl units or the 3-methyl- or 3-chloro-derivatives thereof; (2) 3,4'-dioxydiphenylether or 3,4'-dioxybenzophenone units or the 3'-methyl- or 3'-chloro- derivatives thereof or terephthaloyldi (3-methyl-4-oxybenzene) units; and (3) terephthaloyl units and filaments thereof.
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申请公布号 |
US4269965(A) |
申请公布日期 |
1981.05.26 |
申请号 |
US19790076799 |
申请日期 |
1979.09.17 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
IRWIN, ROBERT S. |
分类号 |
C08G63/00;C07C45/46;C07C45/67;C07C49/83;C07C49/84;C08G63/06;C08G63/60;C08G63/672;C08G63/68;C08G63/682;D01F6/84;D01F6/86;(IPC1-7):C08G63/60 |
主分类号 |
C08G63/00 |
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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