| 发明名称 |
Polyvinyl alcohol film and polarization film |
| 摘要 |
A polyvinyl alcohol film obtained by casting on drum, in which the variance in thickness along the TD direction of the film is 0.5 mu m/mm or less, the thickness of the film is within the range of 20 to 150 mu m, and the width of the film is at least 2 m. |
| 申请公布号 |
EP1154290(A3) |
申请公布日期 |
2003.05.07 |
| 申请号 |
EP20010111182 |
申请日期 |
2001.05.11 |
| 申请人 |
KURARAY CO., LTD. |
发明人 |
SANEFUJI, TORU;FUJITA, SATORU;KAWAI, TSUTOMU |
| 分类号 |
B29C55/04;B29D7/01;C08J5/18;D06N7/04;G02B5/30 |
主分类号 |
B29C55/04 |
| 代理机构 |
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