Title:
PRESSURE-SENSITIVE ADHESIVE FOR POLY(VINYL CHLORIDE) AND PRESSURE-SENSITIVE ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2022/137797
Kind Code:
A1
Abstract:
Provided are: a pressure-sensitive adhesive sheet which has resistance to lowly polar solvents, suitability for application to curved surfaces, and applicability with water and has excellent reworkability; and a pressure-sensitive adhesive for poly(vinyl chloride) which is used for forming the pressure-sensitive adhesive sheet. The pressure-sensitive adhesive for poly(vinyl chloride) comprises an acrylic resin (A) and a hardener (B), wherein the acrylic resin (A) is a copolymer of a monomer mixture including 15-60 mass% monomer (a1) represented by general formula (1) and 0.5-7 mass% monomer (a2) having a carboxyl group and the hardener (B) is at least one hardener selected from the group consisting of chelate hardeners, isocyanate hardeners, and epoxy hardeners.
Inventors:
MATSUHO MOTOYUKI (JP)
SHIMOMURA TOMOKI (JP)
SHIMOMURA TOMOKI (JP)
Application Number:
PCT/JP2021/039704
Publication Date:
June 30, 2022
Filing Date:
October 27, 2021
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCHEM CO LTD (JP)
TOYOCHEM CO LTD (JP)
International Classes:
C09J7/24; C09J11/06; C09J7/38; C09J133/04
Foreign References:
| JP2019112574A | 2019-07-11 | |||
| JP2006068446A | 2006-03-16 | |||
| JPH0987597A | 1997-03-31 | |||
| JPH05105857A | 1993-04-27 | |||
| JP2019070078A | 2019-05-09 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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