TWI853890B

The invention relates to an adhesive sheet, an optical laminate, and an image display device. The pressure-sensitive adhesive sheet (20) is obtained by forming a pressure-sensitive adhesive composition containing a base polymer into a layered shape. The thickness of the bonding sheet is D; the moist...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAWAZAKI, RYOHEI, FUJIHARA, ARATA, NONAKA, TAKAHIRO
Format:	Patent
Sprache:	chi
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PHYSICS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention relates to an adhesive sheet, an optical laminate, and an image display device. The pressure-sensitive adhesive sheet (20) is obtained by forming a pressure-sensitive adhesive composition containing a base polymer into a layered shape. The thickness of the bonding sheet is D; the moisture content of the adhesive sheet after standing for 72 hours in an environment with the temperature of 85 DEG C and the relative humidity of 85% is X%; and the moisture permeability of the adhesive sheet measured under test conditions of a temperature of 65 DEG C and a relative humidity of 90% is Y. The moisture content X is preferably 0.4 or less, and the YD is preferably 5 * 10 g/m.24 hours or longer. The moisture permeability (Y) may be 2000 g/m2 * 24 hours or more.