POLARIZING PLATE AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a polarizing plate which is excellent in adhesiveness between an optical film and a polarizing film and excellent in characteristics such as a heat resistance and chemical resistance, and has high reliability hardly causing peeling, deformation or the like even in us...

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Bibliographische Detailangaben
1. Verfasser: YAMAMURA TETSUYA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a polarizing plate which is excellent in adhesiveness between an optical film and a polarizing film and excellent in characteristics such as a heat resistance and chemical resistance, and has high reliability hardly causing peeling, deformation or the like even in use for a long period of time, and to provide its manufacturing method. SOLUTION: In the polarizing plate formed by layering a norbornene resin film, an adhesive layer and the polarizing film, the adhesive layer comprises a cured product of a radiation curing liquid resin composition containing (A) 5 to 30 mass% urethane (meth)acrylate having molecular weight of 4,000 or below, (B) 60 to 95 mass% radically polymerizable compound and (C) 0.1 to 10 mass% photopolymerization initiator when the total amount of the composition is defined as 100 mass%. COPYRIGHT: (C)2007,JPO&INPIT