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POLYVINYL ALCOHOL-BASED FILM FOR OPTICAL USE, AND POLARIZING FILM AND POLARIZING PLATE USING THE SAME
POLYVINYL ALCOHOL-BASED FILM FOR OPTICAL USE, AND POLARIZING FILM AND POLARIZING PLATE USING THE SAME
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机译:聚乙烯醇基薄膜用于光学用途,并使用同一薄膜对薄膜和极化板进行极化处理
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摘要
PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol-based film for optical use, free from bleeding out of a plasticizer, and providing an oriented film the optical strain of which is reduced when the film is subjected to orientation while swelling.;SOLUTION: The polyvinyl alcohol-based film for the optical use comprises a polyvinyl alcohol-based resin composition containing a plasticizer. The content of the plasticizer (B) having 100-200 molecular weight and 40-300°C melting point is 15-40 wt.% based on the polyvinyl alcohol-based resin (A).;COPYRIGHT: (C)2007,JPO&INPIT
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