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 代理人
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