Active energy ray-curable adhesive composition

The task of the invention provides an active energy ray-curable adhesive composition, a polarization plate, an optical film and an image display device. The adhesive composition helps to improve adhesiveness of a polarizer and a transparent protection layer and to form an adhering layer with improve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIROTOSHI KAMATA, KENTARO TAKAHASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The task of the invention provides an active energy ray-curable adhesive composition, a polarization plate, an optical film and an image display device. The adhesive composition helps to improve adhesiveness of a polarizer and a transparent protection layer and to form an adhering layer with improved heat resistance and water resistance. The method of realization is the active energy ray-curable adhesive composition comprising following components: a (A) composition which is a vinyl lactam represented by a general formula (1) and a (B) composition which is a compound with 1 molecule comprising more than two ethylenically unsaturated groups and less than 1000 in molecular weight. In a formula (1), R1 and R2 are univalent saturated hydrocarbon radicals with number of hydrogen atoms or carbon atoms being 1 to 6. R1 and R2 can be identical and different as well and can be connected together to form an annular structure.