Title:
ADHESIVE SHEET, ADHESIVE SHEET WITH RELEASE SHEET, MULTILAYER BODY, AND METHOD FOR PRODUCING MULTILAYER BODY
Document Type and Number:
WIPO Patent Application WO/2022/034885
Kind Code:
A1
Abstract:
The present invention provides: an adhesive sheet which has high adhesive power and excellent blister resistance; an adhesive sheet with a release sheet, and a multilayer body, each of which comprises this adhesive sheet; and a method for producing a multilayer body. An adhesive sheet which is provided with an adhesive layer that contains a semi-cured product of an adhesive composition, wherein: the adhesive composition contains a crosslinkable acrylic copolymer (A), a crosslinking agent (B), a polyfunctional monomer (C) that has two or more polymerizable double bonds in each molecule, and a photopolymerization initiator (D); from 5% by mass to 15% by mass is contained relative to all constituent units in the crosslinkable acrylic copolymer (A); and from 1 part by mass to 20 parts by mass of the polyfunctional monomer (C) is contained per 100 parts by mass of the crosslinkable acrylic copolymer (A).
Inventors:
YASUDA NAOTO (JP)
KASHIMA NOBUYUKI (JP)
NISHIDA MASAKI (JP)
KASHIMA NOBUYUKI (JP)
NISHIDA MASAKI (JP)
Application Number:
PCT/JP2021/029558
Publication Date:
February 17, 2022
Filing Date:
August 10, 2021
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
B32B27/00; C09J4/00; C09J7/38; C09J11/06; C09J133/00; C09J133/02; C09J133/06
Domestic Patent References:
| WO2015145635A1 | 2015-10-01 | |||
| WO2016024618A1 | 2016-02-18 |
Foreign References:
| JP2015098616A | 2015-05-28 | |||
| JP2009242633A | 2009-10-22 | |||
| JP2014196451A | 2014-10-16 | |||
| JP2000345131A | 2000-12-12 | |||
| JP2011054939A | 2011-03-17 | |||
| JP2020007407A | 2020-01-16 | |||
| JPH06177094A | 1994-06-24 | |||
| JP2002348553A | 2002-12-04 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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