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Title:
PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND METHOD FOR PRODUCING SAME, AND REMOVABLE SHEET PROVIDED WITH PRESSURE-SENSITIVE ADHESIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2021/200404
Kind Code:
A1
Abstract:
The present invention pertains to a pressure-sensitive adhesive composition that comprises a copolymer, said copolymer having been obtained by polymerizing (A) at least one of unsaturated compounds represented by formula (1) and (B) at least one compound selected from the group consisting of unsaturated carboxylic acids and unsaturated carboxylate compounds other than component (A), a method for producing the pressure-sensitive adhesive composition and a removal sheet. [In formula (1): R1 represents a hydrocarbon group or an acyl group each having 8-36 carbon atoms; A1 and A2 each independently represent an alkylene group having 2-4 carbon atoms; L represents a group represented by general formula (2); z represents a numerical value of 1-10; X represents a hydrogen atom or an ionic hydrophilic group; m represents a numerical value of 0-100; and n represents a numerical value of 0-100.] [In formula (2): R2 and R3 each independently represent a hydrogen atom or a methyl group; x represents a numerical value of 0-12; and y represents a numerical value of 0 or 1.]

Inventors:
FUKUDA KAORI (JP)
TSUKAHARA NAOKI (JP)
AYA YOICHI (JP)
Application Number:
PCT/JP2021/012035
Publication Date:
October 07, 2021
Filing Date:
March 23, 2021
Export Citation:
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Assignee:
ADEKA CORP (JP)
International Classes:
C08F283/06; C08F2/24; C08F216/14; C08F220/18; C09J4/02; C09J7/38; C09J133/04
Domestic Patent References:
WO2014157406A12014-10-02
Foreign References:
JP2015013981A2015-01-22
JP2001040313A2001-02-13
JPH07278233A1995-10-24
JP2002301353A2002-10-15
JP2009298952A2009-12-24
JP2015224181A2015-12-14
JP2006075808A2006-03-23
JPH0575034A1993-03-26
JPH07278233A1995-10-24
JPH10114887A1998-05-06
JP2001131512A2001-05-15
JP2001152118A2001-06-05
JP2009073920A2009-04-09
JP2006075808A2006-03-23
Other References:
KYOZO KITAOKA: "New Polymer Library 7 Introduction to Synthetic Resins for Paints", POLYMER PUBLISHING ASSOCIATION, pages: 168 - 169
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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