Title:
PRESSURE-SENSITIVE ADHESIVE COMPOSITION, MASKING TAPE, SURFACE PROTECTION METHOD, AND COPOLYMER DISPERSION LIQUID
Document Type and Number:
WIPO Patent Application WO/2023/120049
Kind Code:
A1
Abstract:
[Problem] To provide a pressure-sensitive adhesive composition which exhibits sufficient peel strength as required for masking tape applications and which can yield a pressure-sensitive adhesive layer having excellent aqueous coating material resistance and solvent coating material resistance. [Solution] This pressure-sensitive adhesive composition contains a copolymer (A), a crosslinking agent (B) and an aqueous medium. The copolymer (A) contains: structural units derived from at least one type of monomer (a1) selected from the group consisting of an alkyl (meth)acrylate ester having only one ethylenically unsaturated bond and a hydrocarbon having only one ethylenically unsaturated bond; structural units derived from a monomer (a2) having an ethylenically unsaturated bond and a carboxyl group; and structure units derived from a monomer (a3) having an ethylenically unsaturated bond and a tertiary amino group. The crosslinking agent (B) contains a polyepoxy compound.
More Like This:
Inventors:
KUNANU KIRIDA (JP)
OKADO TAKASHI (JP)
OKADO TAKASHI (JP)
Application Number:
PCT/JP2022/043777
Publication Date:
June 29, 2023
Filing Date:
November 28, 2022
Export Citation:
Assignee:
RESONAC CORP (JP)
International Classes:
C09J133/14; C09J7/21; C09J7/38
Foreign References:
| CN113646397A | 2021-11-12 | |||
| JP2004217838A | 2004-08-05 | |||
| KR20150137419A | 2015-12-09 | |||
| JP2001335766A | 2001-12-04 | |||
| JP2009215528A | 2009-09-24 | |||
| JPH10226776A | 1998-08-25 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
Download PDF: