積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜

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专利权人:

日東電工株式会社

发明人:

後藤 周作,宮武 稔,上条 卓史,國方 智

申请号：

JP20160507865

公开号：

JP6266751(B2)

申请日:

2015.03.16

申请国别(地区):

日本

年份:

2018

代理人:

摘要：

Provided is a laminate comprising a thermoplastic resin substrate and a polyvinyl alcohol based resin layer formed on the thermoplastic resin substrate, being used to form a polarizing film of the polyvinyl alcohol based resin layer treated with a post-process comprising at least a dyeing step of dyeing the polyvinyl alcohol based resin layer with a dichroic material, the post-process being performed after the polyvinyl alcohol based resin layer formed on the thermoplastic resin substrate is stretched together with the thermoplastic resin substrate, wherein the polyvinyl alcohol based resin layer comprises a polyvinyl alcohol based resin and urea.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/