Title:
PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2020/262697
Kind Code:
A1
Abstract:
Provided are a pressure-sensitive adhesive composition having excellent transparency and having high durability and unsusceptibility to blushing by moist heat and a pressure-sensitive adhesive sheet. The pressure-sensitive adhesive composition is characterized by comprising the following ingredients (A), (B), and (C). (A) A copolymer of a monomer mixture comprising the following monomers (a1) to (a4), the copolymer having a weight-average molecular weight of 200,000-1,200,000: (a1) an alkyl (meth)acrylate in which the alkyl group has 3-12 carbon atoms; (a2) an alkyl (meth)acrylate in which the alkyl group has one or two carbon atoms; (a3) a hydroxylated monomer; and (a4) a carboxylated monomer. (B) A chelating metal compound. (C) A silane coupling agent.
Inventors:
YANAGISAWA JYUNJI (JP)
SHIMADA NOBUYUKI (JP)
SHIMADA NOBUYUKI (JP)
Application Number:
PCT/JP2020/025419
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
Assignee:
LION SPECIALTY CHEMICALS CO LTD (JP)
International Classes:
C09J11/06; C09J7/10; C09J7/38; C09J133/02; C09J133/04; C09J133/14; C09J175/04
Domestic Patent References:
| WO2016072198A1 | 2016-05-12 |
Foreign References:
| JP2017179076A | 2017-10-05 | |||
| JP2007138014A | 2007-06-07 | |||
| JP2012136660A | 2012-07-19 | |||
| JP2014136753A | 2014-07-28 | |||
| JP2017171777A | 2017-09-28 |
Attorney, Agent or Firm:
TSUJIMARU Koichiro et al. (JP)
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