| 发明名称 |
POLYIMIDE FILM AND PROCESS FOR PRODUCING THE SAME |
| 摘要 |
<p>An oriented polyimide film of high strength and a production process therefor. The process basically comprises stretching a gelled film and then imidating the film. The gelled film is formed by introducing a polyamic acid solution into a condensation agent solution. The gelled film is swollen with a solvent at the time of stretching.</p> |
| 申请公布号 |
EP1275681(B1) |
申请公布日期 |
2007.03.07 |
| 申请号 |
EP20010921955 |
申请日期 |
2001.04.20 |
| 申请人 |
TEIJIN LIMITED |
发明人 |
SADANOBU, JIRO;NISHIO, REI;HONDA, SUSUMU;NAKAMURA, TSUTOMU |
| 分类号 |
C08J5/18;B29C41/24;B29C55/00;B29C55/12;B29D7/01;B29K79/00;B29L7/00;C08L79/08 |
主分类号 |
C08J5/18 |
| 代理机构 |
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代理人 |
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