发明名称 |
Polyvinyl alcohol film and polarizing film |
摘要 |
The invention is a film of a vinyl alcohol polymer that contains from 0.01 to 20 mol % of cationic group-containing units and contains from 0.5 to 24 mol % of alpha-olefin units having at most 4 carbon atoms. The polyvinyl alcohol film gives polarizing films and polarizer which are resistant to water and have good polarizing properties and which are free from a problem of irregular coloration. |
申请公布号 |
US2005186441(A1) |
申请公布日期 |
2005.08.25 |
申请号 |
US20050118474 |
申请日期 |
2005.05.02 |
申请人 |
KURARAY CO., LTD. |
发明人 |
HAYASHI TETSUSHI;ISOZAKI TAKANORI;FUJIWARA NAOKI |
分类号 |
C08J5/18;C08F8/12;C08F216/06;G02B5/30;G02F1/1335;(IPC1-7):B32B27/32 |
主分类号 |
C08J5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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