Title:
ADHESIVE SHEET, ADHESIVE SHEET WITH PEEL-OFF SHEET, LAMINATE, AND LAMINATE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/017554
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an adhesive sheet that can demonstrate superior substrate adhesion even under conditions of high temperature and high humidity. The present invention relates to an adhesive sheet that has an adhesive layer including an acrylic copolymer, wherein the acrylic copolymer includes a unit derived from an alkoxyalkyl group-including (meth)acrylate, a unit derived from a hydroxy group-including (meth)acrylate, and a unit derived from methyl(meth)acrylate, in relation to the entire mass of the acrylic copolymer, the content of the unit derived from the alkoxyalkyl group-including (meth)acrylate is 50-90mass%, the content of the unit derived from the hydroxy group-including (meth)acrylate is 5-35mass%, and the content of the unit derived from methyl(meth)acrylate is 5-15mass%, and in relation to the entire mass of the adhesive layer, the content of a heat-curing cross-linking agent is 0.1mass% or less.
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Inventors:
YAMAMOTO MASAYUKI (JP)
YAMAGUCHI TAKAMICHI (JP)
YAMAGUCHI TAKAMICHI (JP)
Application Number:
PCT/JP2019/028099
Publication Date:
January 23, 2020
Filing Date:
July 17, 2019
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
C09J7/38; B32B27/00; B32B27/30; C09J4/02; C09J11/06; C09J133/06
Domestic Patent References:
| WO2006088099A1 | 2006-08-24 | |||
| WO2016199787A1 | 2016-12-15 |
Foreign References:
| JP2000212526A | 2000-08-02 | |||
| JPS6164773A | 1986-04-03 | |||
| JP2017110050A | 2017-06-22 | |||
| JP2000328023A | 2000-11-28 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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