Title:
FOAMING ADHESIVE SHEET AND PRODUCTION METHOD FOR ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/167239
Kind Code:
A1
Abstract:
The present disclosure provides a foaming adhesive sheet having: a first adhesive layer; a base material; and a second adhesive layer in the stated order. The first and second adhesive layers contain a curable adhesive. At least one of the first and second adhesive layers further contains a foaming agent. The tack of the first adhesive layer is 0 gf or more but is less than 10 gf and the tack of the second adhesive layer is 10-500 gf. The loop stiffness of the sheet is at least 50 mN/10 mm.
More Like This:
Inventors:
HASEGAWA IZUMI (JP)
SHIMADA SHINYA (JP)
HOSHI KENTARO (JP)
SEGAWA TOSHIKAZU (JP)
MAEDA NAO (JP)
SHIMADA SHINYA (JP)
HOSHI KENTARO (JP)
SEGAWA TOSHIKAZU (JP)
MAEDA NAO (JP)
Application Number:
PCT/JP2023/007587
Publication Date:
September 07, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
C09J7/35; B32B5/20; B32B7/022; B32B27/00; B32B27/18; C09J7/30; C09J11/06; C09J201/00
Domestic Patent References:
| WO2016163514A1 | 2016-10-13 | |||
| WO2017195899A1 | 2017-11-16 |
Foreign References:
| JP2021155495A | 2021-10-07 | |||
| JP2006311782A | 2006-11-09 | |||
| JP2022113240A | 2022-08-04 |
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
Download PDF: