Title:
PRESSURE-SENSITIVE ADHESIVE AGENT, PRESSURE-SENSITIVE ADHESIVE FILM, AND OPTICAL LAMINATE
Document Type and Number:
WIPO Patent Application WO/2018/047649
Kind Code:
A1
Abstract:
The present invention provides a pressure-sensitive adhesive agent with which it is possible to produce a pressure-sensitive adhesive film having excellent water resistance in addition to heat resistance and moist heat resistance, a pressure-sensitive adhesive film in which said pressure-sensitive adhesive agent is used, and an optical laminate. A pressure-sensitive adhesive agent including a copolymer (A) that has hydroxyl groups and a reactive compound (B) that has functional groups capable of reacting with hydroxyl groups, and containing as monomer units that constitute the copolymer (A) ethylenic unsaturated compound (a1) units that have hydroxyl groups, polar-group-free ethylenic unsaturated compound (a2) units that have a partition coefficient Log P of at least 6.5 and less than 12, and hydroxyl-group-free ethylenic unsaturated compound (a3) units that have ethyleneoxy groups.
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Inventors:
KOIDE MASASHI (JP)
Application Number:
PCT/JP2017/030702
Publication Date:
March 15, 2018
Filing Date:
August 28, 2017
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCHEM CO LTD (JP)
TOYOCHEM CO LTD (JP)
International Classes:
C09J133/00; B32B27/00; B32B27/32; C08F220/18; C08G18/62; C09J11/06
Foreign References:
| JP2009298916A | 2009-12-24 | |||
| JP2015508431A | 2015-03-19 | |||
| JP2008248223A | 2008-10-16 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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