Pressure sensitive adhesive sheet for optics

An ultraviolet cross-linkable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer of a monomer containing a (meth)acrylic acid ester having an ultraviolet cross-linkable site. The storage modulus of the pressure sensitive adhesive sheet before ultraviolet cross-linking is from 5.0×1...

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Bibliographische Detailangaben
Hauptverfasser:	UEDA, SAORI, SUWA, TOSHIHIRO, ENDO, SOTARO, SAKAKIBARA, SHOGO, SUZUKI, SHUNSUKE
Format:	Patent
Sprache:	chi ; eng
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:	An ultraviolet cross-linkable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer of a monomer containing a (meth)acrylic acid ester having an ultraviolet cross-linkable site. The storage modulus of the pressure sensitive adhesive sheet before ultraviolet cross-linking is from 5.0×104 to 1.0×106 Pa at 30° C. and 1 Hz and 5.0×104 Pa or less at 80° C. and 1 Hz. The storage modulus of the pressure sensitive adhesive sheet after ultraviolet cross-linking is 1.0×103 Pa or more at 130° C. and 1 Hz.