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Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/054789
Kind Code:
A1
Abstract:
The present invention provides an adhesive sheet in which both high-temperature holding power and an ability to follow a complex shape can be achieved. The adhesive sheet has an adhesive layer. The adhesive layer includes: a polymer having a weight-average molecular weight exceeding 70×104; and at least one selected from oligomers and tackifier resins with a softening point of less than 145°C. The adhesive layer has a storage modulus G' (25°C) at 25°C of less than 0.15 MPa.

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Inventors:
KATO NAOHIRO (JP)
NISHIWAKI MASATAKA (JP)
MINOURA KAZUKI (JP)
IKAMI TOSHIKI (JP)
Application Number:
PCT/JP2021/032810
Publication Date:
March 17, 2022
Filing Date:
September 07, 2021
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J11/06; C09J7/38; C09J133/06
Domestic Patent References:
WO2019130822A12019-07-04
Foreign References:
JP2020128453A2020-08-27
JP2015206858A2015-11-19
JP2018024784A2018-02-15
JP2020139035A2020-09-03
Attorney, Agent or Firm:
OI, Michiko (JP)
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