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Polyvinyl alcohol based polarizing film containing iodine and boric acid
Polyvinyl alcohol based polarizing film containing iodine and boric acid
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机译:含碘和硼酸的聚乙烯醇基偏振膜
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摘要
There is provided a polarizing film that is excellent in optical characteristics, and is excellent in durability and water resistance. A polarizing film according to an embodiment of the present invention includes a polyvinyl alcohol-based resin film having a thickness of 10 μm or less. The polyvinyl alcohol-based resin film has an iodine concentration of 6.0 wt % or less; and the polarizing film has a cross-linking index defined by the below-indicated equation of from 100 to 200: (Cross-linking index)=(Iodine concentration in film)×(Boric acid concentration in film).
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