发明名称 偏光フィルムの製造方法、偏光フィルム及び偏光フィルム用PVA系樹脂
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a polarizing film which can shorten a dyeing process and largely improve productivity of the polarizing film; and the polarizing film. <P>SOLUTION: A manufacturing method of a polarizing film comprises a step of preparing a PVA resin film including a PVA resin having a saponification degree of 92 to 98.5 mol% as determined in accordance with JIS K 6726; a step of dyeing the PVA resin film; and a step of stretching the PVA resin film. The polarizing film is formed using the PVA resin having the saponification degree of 92 to 98.5 mol% as measured on the basis of JIS K 6726. <P>COPYRIGHT: (C)2012,JPO&INPIT</p>
申请公布号 JP5735302(B2) 申请公布日期 2015.06.17
申请号 JP20110034977 申请日期 2011.02.21
申请人 发明人
分类号 G02B5/30;B29C41/24;B29C55/02 主分类号 G02B5/30
代理机构 代理人
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