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Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2024/057560
Kind Code:
A1
Abstract:
Provided is an adhesive sheet capable of highly suppressing fine concavo-convex deformation. Provided is an adhesive sheet having a colored adhesive layer. In this invention, the adhesive layer includes an acrylic polymer. The gel fraction in the adhesive layer is 25% or more. The adhesive layer has a storage modulus at 23℃ of 0.05 MPa or more and tanδ at 23℃ of 0.31 or more.

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Inventors:
SUMIDA HIROMICHI (JP)
NISHIWAKI MASATAKA (JP)
SHIMOOKA KEIGO (JP)
Application Number:
PCT/JP2022/045742
Publication Date:
March 21, 2024
Filing Date:
December 12, 2022
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J11/04; C09J7/10; C09J7/38; C09J11/06; C09J133/04
Domestic Patent References:
WO2021125247A12021-06-24
Foreign References:
JP2020164615A2020-10-08
JP2022125728A2022-08-29
JP2023003416A2023-01-11
JP2023008802A2023-01-19
Attorney, Agent or Firm:
OI, Michiko (JP)
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