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|1. (WO2017149981) ADHESIVE COMPOSITION AND ADHESIVE SHEET|
|Applicants:||EMULSION TECHNOLOGY CO., LTD.
|Title:||ADHESIVE COMPOSITION AND ADHESIVE SHEET|
The purpose of the present invention is to provide: an adhesive composition that, regardless of being heated, has a high adhesive strength before ultraviolent irradiation, a satisfactorily large range of decline in the adhesive strength due to ultraviolent irradiation, sufficiently little adhesive residue, and excellent embedding properties; and an adhesive sheet using the adhesive composition. This adhesive composition contains a photopolymerization initiator, a thermosetting agent, and a polymer having a methyl acrylate-derived structural unit and a group containing a polymerizable carbon-carbon double bond, wherein the proportional content of the structural unit is 1 mass% to 60 mass% relative to all structural units constituting the polymer, and the adhesive composition essentially contains no polyfunctional monomers or polyfunctional oligomers. The polymer preferably has the group including a polymerizable carbon-carbon double bond on a sidechain. A (meth)acryloyl group is preferable as the group including a polymerizable carbon-carbon double bond.