Title:
POLYESTER POLYOL, REACTIVE ADHESIVE, AND LAMINATE
Document Type and Number:
WIPO Patent Application WO/2018/117082
Kind Code:
A1
Abstract:
Provided is a reactive adhesive which can be used as an adhesive for a laminate of various substrates, exhibits strong adhesiveness, and after a lamination treatment exhibits excellent outward appearance, hydrolysis resistance and moldability. The present invention pertains to: a polyester polyol having a polybasic acid or derivative thereof and a polyhydric alcohol as essential starting materials, the polyester polyol being characterized in that the entirety of the polybasic acid or derivative starting material is a polybasic acid having an aromatic ring or a derivative thereof, and the number average molecular weight is in the range of 3,000-100,000; a reactive adhesive having as essential components thereof a polyol composition (A) that contains a polyester polyol, and a polyisocyanate composition (B); and a laminate obtained by layering an adhesive layer between a first substrate and a second substrate, wherein the adhesive layer is the abovementioned reactive adhesive.
Inventors:
MIZUTA SEIJI (JP)
MATSUO TAKATOSHI (JP)
MIKI SHOU (JP)
NAKAMURA HIDEMI (JP)
UMINO AKIO (JP)
MIHARA TAKASHI (JP)
TAKEDA MIHO (JP)
KOUYAMA TATSUYA (JP)
TAKEI HIDEAKI (JP)
MATSUO TAKATOSHI (JP)
MIKI SHOU (JP)
NAKAMURA HIDEMI (JP)
UMINO AKIO (JP)
MIHARA TAKASHI (JP)
TAKEDA MIHO (JP)
KOUYAMA TATSUYA (JP)
TAKEI HIDEAKI (JP)
Application Number:
PCT/JP2017/045476
Publication Date:
June 28, 2018
Filing Date:
December 19, 2017
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08G63/127; C08G18/42; C09J175/06
Domestic Patent References:
| WO2015033857A1 | 2015-03-12 |
Foreign References:
| JP2003073645A | 2003-03-12 | |||
| JP2016175973A | 2016-10-06 | |||
| JP2005516773A | 2005-06-09 | |||
| JP2012214558A | 2012-11-08 | |||
| JP2015003950A | 2015-01-08 | |||
| JP2017110103A | 2017-06-22 |
Attorney, Agent or Firm:
KONO Michihiro (JP)
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