Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2024/057561
Kind Code:
A1
Abstract:
Provided is an adhesive sheet having excellent light-pressure adhesion. Provided is an adhesive sheet having an adhesive layer. The adhesive layer comprises an acrylic polymer and an acrylic oligomer. The acrylic polymer is a polymer of a monomer component including: an alkyl (meth)acrylate having a chain alkyl group having at least 7 carbon atoms; and a monomer having a reactive functional group. In addition, the monomer component includes at least 3 wt% of the monomer having the reactive functional group. A storage modulus of the adhesive layer at -20 °C is less than 220 MPa.
Inventors:
SUMIDA HIROMICHI (JP)
NISHIWAKI MASATAKA (JP)
SHIMOOKA KEIGO (JP)
NISHIWAKI MASATAKA (JP)
SHIMOOKA KEIGO (JP)
Application Number:
PCT/JP2022/045743
Publication Date:
March 21, 2024
Filing Date:
December 12, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; C09J11/08; C09J133/04
Domestic Patent References:
| WO2019244595A1 | 2019-12-26 |
Foreign References:
| JP2019070102A | 2019-05-09 | |||
| JP2020164844A | 2020-10-08 | |||
| EP2626397A1 | 2013-08-14 | |||
| JP2016053180A | 2016-04-14 | |||
| JP2005015524A | 2005-01-20 |
Attorney, Agent or Firm:
OI, Michiko (JP)
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