Adhesive sheet

Provided is an active energy ray-peelable pressure-sensitive adhesive sheet which can be suitably used in a process under high-temperature conditions, and which can be easily peelable without leaving an adhesive residue on an adherend by sufficiently reducing the adhesiveness of a pressure-sensitive...

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Bibliographic Details
Main Authors SAITO, MASATO, WASAI, MAKIKO, OOTA, YOSUKE
Format Patent
LanguageChinese
English
Published 01.01.2023
Subjects
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
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Summary:Provided is an active energy ray-peelable pressure-sensitive adhesive sheet which can be suitably used in a process under high-temperature conditions, and which can be easily peelable without leaving an adhesive residue on an adherend by sufficiently reducing the adhesiveness of a pressure-sensitive adhesive layer when irradiated with an active energy ray after use in the process. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer whose adhesive force is reduced by irradiation with active energy rays. The adhesive layer is composed of an active energy ray-curable adhesive. The active energy ray-curable adhesive is formed from a thermally cured product of an adhesive composition, and contains thermal reactants of (A) and (C). The adhesive composition contains at least (A) an adhesive base polymer having a hydroxyl group, (B) an active energy ray-reactive monomer having three or more radical-reactive groups in one molecule, (C) a cross-linking agent, and (D) an alpha-hydroxyalkylbenzo
Bibliography:Application Number: TW202211109383