发明名称 |
METHOD FOR PRODUCING POLARIZING FILM |
摘要 |
Provided is a manufacturing method for a polarizing film having excellent manufacturing efficiency while maintaining optical characteristics. A manufacturing method for a polarizing film of the present invention includes in this order, the steps of: stretching a resin substrate in a first direction; heating the resin substrate; forming a polyvinyl alcohol-based resin layer on the resin substrate, to thereby produce a laminate; and stretching the laminate in a second direction. |
申请公布号 |
US2015369964(A1) |
申请公布日期 |
2015.12.24 |
申请号 |
US201414767345 |
申请日期 |
2014.02.06 |
申请人 |
NITTO DENKO CORPORATION |
发明人 |
Mori Tomohiro;Kamijo Takashi;Miyatake Minoru |
分类号 |
G02B1/10;G02B5/30 |
主分类号 |
G02B1/10 |
代理机构 |
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代理人 |
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主权项 |
1. A manufacturing method for a polarizing film, comprising, in this order, the steps of:
stretching a resin substrate in a first direction; heating the resin substrate; forming a polyvinyl alcohol-based resin layer on the resin substrate, to thereby produce a laminate; and stretching the laminate in a second direction. |
地址 |
Ibaraki-shi, Osaka JP |