| 发明名称 |
HYDROLYTICALLY AND OXIDATIVELY STABLE POLYIMIDES |
| 摘要 |
Polyimide prepared from 3,3',4,4'-biphenyltetracarboxylic dianhydride and an aromatic diamine which is at least about 60 % meta-phenylene diamine exhibits excellent hydrolytic and oxidative stability.
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| 申请公布号 |
CA2093353(C) |
申请公布日期 |
2002.07.30 |
| 申请号 |
CA19912093353 |
申请日期 |
1991.10.10 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
KAKU, MUREO |
| 分类号 |
C07D209/48;C08G73/10;C08K3/04;(IPC1-7):C08G73/10 |
主分类号 |
C07D209/48 |
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