Title:
URETHANE ADHESIVE, ADHESIVE SHEET, AND DISPLAY
Document Type and Number:
WIPO Patent Application WO/2017/047077
Kind Code:
A1
Abstract:
Provided is a urethane adhesive that can be applied as a thick film, and with which it is possible to form an adhesive layer with good resistance to whitening caused by moist heat. The urethane adhesive contains a urethane prepolymer (A) which is a reaction product of at least one type of polyol (a-1) excluding a polyether polyol having one or more EO groups within the molecule, at least one type of polyether polyol (a-2) having one or more EO groups within the molecule, and at least one type of polyisocyanate (b). In one embodiment, the urethane adhesive of the present invention may contain a urethane prepolymer (A) and a β-diketone compound (X).
Inventors:
TANABE SHINGO (JP)
SAITO SHUHEI (JP)
SAITO SHUHEI (JP)
Application Number:
PCT/JP2016/004161
Publication Date:
March 23, 2017
Filing Date:
September 13, 2016
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCHEM CO LTD (JP)
TOYOCHEM CO LTD (JP)
International Classes:
C09J175/08; C08G18/10; C08G18/48; C09J7/20; C09J11/06; C09J175/06; H01L51/50
Domestic Patent References:
| WO2016152094A1 | 2016-09-29 |
Foreign References:
| JP2014172989A | 2014-09-22 | |||
| JP2011037928A | 2011-02-24 |
Attorney, Agent or Firm:
IEIRI, Takeshi (JP)
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