TRANSPARENT ADHESIVE SHEET

The present invention is a transparent pressure-sensitive adhesive sheet comprising a film that is formed of a hydrogenated block copolymer [D], and a layer that is formed of a transparent pressure-sensitive adhesive [E], the layer being formed on each side of the film, the hydrogenated block copoly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOHARA Teiji, ISHIGURO Atsushi, SAITOU Daisuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention is a transparent pressure-sensitive adhesive sheet comprising a film that is formed of a hydrogenated block copolymer [D], and a layer that is formed of a transparent pressure-sensitive adhesive [E], the layer being formed on each side of the film, the hydrogenated block copolymer [D] being obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [C] that comprises at least two polymer blocks [A] and at least one polymer block [B], the polymer block [A] comprising a repeating unit derived from an aromatic vinyl compound, the polymer block [B] comprising a repeating unit derived from a linear conjugated diene compound. The present invention provides a transparent pressure-sensitive adhesive sheet (double-sided, transparent pressure-sensitive adhesive sheet) that is used to bond two optical members (adherends), and exhibits excellent optical properties (transparency and low birefringence), adhesion, and reworkability