Title:
DOUBLE-SIDED ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2023/282008
Kind Code:
A1
Abstract:
The present invention provides a double-sided adhesive sheet that has excellent impact resistance and excellent reworkability. A double-sided adhesive sheet 1 comprises an adhesive layer 2. The thickness of the double-sided adhesive sheet 1 is no more than 500 μm. The adhesive layer 2 includes a base polymer and a filler. The average particle size of the filler is no more than 80 μm. The breaking stress of the double-sided adhesive sheet 1 is at least 0.5 MPa, and the breaking strain is at least 600%. The volume fraction of the filler relative to the total mass of the adhesive layer 2 is preferably 0.01×10-2–20×10-2 cm3/g.
Inventors:
SUMIDA HIROMICHI (JP)
FUJITA TAKUYA (JP)
KATO NAOHIRO (JP)
MINOURA KAZUKI (JP)
IMOTO EIICHI (JP)
FUJITA TAKUYA (JP)
KATO NAOHIRO (JP)
MINOURA KAZUKI (JP)
IMOTO EIICHI (JP)
Application Number:
PCT/JP2022/024104
Publication Date:
January 12, 2023
Filing Date:
June 16, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; C09J7/10; C09J11/08; C09J133/00; C09J201/00
Domestic Patent References:
| WO2021039878A1 | 2021-03-04 | |||
| WO2020121605A1 | 2020-06-18 |
Foreign References:
| JP2021024907A | 2021-02-22 | |||
| US20150315425A1 | 2015-11-05 | |||
| JP2014148570A | 2014-08-21 | |||
| JP2012067279A | 2012-04-05 |
Attorney, Agent or Firm:
G-CHEMICAL INTELLECTUAL PROPERTY FIRM (JP)
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