POLARIZATION FILM WITH ADHESIVE LAYER, ADHESIVE SHEET, LAMINATION MEMBER AND IMAGE DISPLAY DEVICE

To provide a polarization film with an adhesive layer that does not discolour a polarization film even if exposed to high humidity after bonded with the polarization film.SOLUTION: A polarization film with an adhesive layer includes a polarization film, and an adhesive layer on at least one surface...

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Bibliographische Detailangaben
Hauptverfasser:	IDA KAZUTAKA, TADA HIRONOBU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADVERTISING CHEMISTRY COMPOSITIONS BASED THEREON CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SEALS SIGNS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a polarization film with an adhesive layer that does not discolour a polarization film even if exposed to high humidity after bonded with the polarization film.SOLUTION: A polarization film with an adhesive layer includes a polarization film, and an adhesive layer on at least one surface of the polarization film. The adhesive layer is formed of adhesive composition containing intramolecular hydrogen abstraction type initiator (A). The polarization film adheres to the adhesive layer formed of adhesive composition containing intramolecular hydrogen abstraction type initiator. The absorbance of a polarizer at a wavelength of 300-400 nm measured after standing at 25°C, under 90%RH for two days is 3.5 or more.SELECTED DRAWING: None 【課題】偏光フィルムと貼り合わせた後、高湿度下に曝しても偏光フィルムを変色させることのない粘着剤層付き偏光フィルムを提供すること。【解決手段】偏光フィルムと、前記偏光フィルムの少なくとも一方の面に粘着剤層とを有する粘着剤層付き偏光フィルムであって、前記粘着剤層は、分子内水素引き抜き型開始剤（Ａ）を含む粘着剤組成物から形成され、前記偏光フィルムは、分子間水素引き抜き型開始剤を含む粘着剤組成物から形成された粘着剤層を貼着し、２５℃、９０％ＲＨで２日間静置した後に測定される、波長３００〜４００ｎｍにおける偏光子の吸光度が３．５以上である、粘着剤層付き偏光フィルム。【選択図】なし