| 发明名称 |
HEAT-RESISTANT TRANSPARENT FILM AND PRODUCTION THEREOF |
| 摘要 |
PURPOSE:To provide a heat-resistant optical transparent film excellent in the accuracy of thickness. CONSTITUTION:A heat-resistant transparent film made from a polymer having arom. groups in the main chain thereof has a thickness of at most 200mum, and a difference in thickness between adjacent portions of at most 0.5% of the average thickness of the film. This film is obtd. by adding a surface modifier to a casting dope. |
| 申请公布号 |
JPH06279598(A) |
申请公布日期 |
1994.10.04 |
| 申请号 |
JP19930095392 |
申请日期 |
1993.03.29 |
| 申请人 |
KANEGAFUCHI CHEM IND CO LTD |
发明人 |
FUJII SADAO;HOSONO KAZUTO;AOI TAKASHI;SEKIGUCHI YASUHIRO |
| 分类号 |
B29C55/04;B29C55/02;B29K67/00;B29K105/32;B29L7/00;C08J5/18;C08K5/5419;C08L67/00;C08L83/06;G02B5/30;(IPC1-7):C08J5/18 |
主分类号 |
B29C55/04 |
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