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Title:
ADHESIVE SHEET FOR SURFACE PROTECTION
Document Type and Number:
WIPO Patent Application WO/2020/067494
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an adhesive sheet for surface protection, which reduces damage to an adherend and is capable of maintaining the appearance or the like of the adherend in a good state. An adhesive sheet for surface protection, which has a multilayer structure that comprises a surface layer, a resin base material layer and an adhesive layer, while having the resin base material layer positioned between the surface layer and the adhesive layer, and wherein the surface layer is obtained by curing a thermosetting composition that contains the components (a)-(c) described below. This adhesive sheet for surface protection reduces damage to an adherend, and is thus capable of maintaining the appearance or the like of the adherend in a good state. (a) a (meth)acrylic copolymer that contains a hydroxyl group, while having a glass transition temperature of from -40°C to 30°C (b) an allophanate type polyisocyanate and/or a biuret type polyisocyanate (c) a polysiloxane that has a polymer and/or a hydrocarbon group having a hydroxyl group at an end

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Inventors:
KUME KEITA (JP)
HASHIMOTO YUKI (JP)
YAMAZAKI AKIHIRO (JP)
HIGASHIMOTO TORU (JP)
IMOTO EIICHI (JP)
NAKAGAWA YOSHIO (JP)
TANAKA SHOTA (JP)
NISHIKAWA KENICHI (JP)
YOSHIDA CHIHIRO (JP)
Application Number:
PCT/JP2019/038335
Publication Date:
April 02, 2020
Filing Date:
September 27, 2019
Export Citation:
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Assignee:
ARAKAWA CHEM IND (JP)
NITTO DENKO CORP (JP)
International Classes:
C09J7/29; C09D133/14; C09D175/04; C09D183/04; C09J7/38
Domestic Patent References:
WO2018052008A12018-03-22
WO2016098771A12016-06-23
WO2015163286A12015-10-29
Foreign References:
JP2012107101A2012-06-07
JP2015038164A2015-02-26
JP2008223034A2008-09-25
JP2000095836A2000-04-04
JP2013131701A2013-07-04
JP2014019714A2014-02-03
JP2013244624A2013-12-09
Attorney, Agent or Firm:
OI, Michiko (JP)
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