| 发明名称 |
A POLYAMIDE ACID, A PROCESS FOR ITS PRODUCTION AND A POLYIMIDE PRODUCED THEREFROM |
| 摘要 |
A polyamide acid obtained by reacting 2,3,5-tricarboxycyclopentaneacetic acid or its anhydride with a diamine in a solvent has good stability in solution, good workability and excellent storage stability. The polyimide obtained by heating such a polyamide acid has excellent heat resistance, mechanical properties, electrical properties and chemical resistance. |
| 申请公布号 |
DE3265912(D1) |
申请公布日期 |
1985.10.03 |
| 申请号 |
DE19823265912 |
申请日期 |
1982.12.21 |
| 申请人 |
JAPAN SYNTHETIC RUBBER CO., LTD. |
发明人 |
OKA, HIROSHI;YOSHIDA, YOSHINORI;NAITOU, YUUZI |
| 分类号 |
C08G73/10;(IPC1-7):C08G73/10 |
主分类号 |
C08G73/10 |
| 代理机构 |
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