Title:
MOISTURE-CURABLE POLYURETHANE HOT MELT RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/003778
Kind Code:
A1
Abstract:
The present invention provides a moisture-curable polyurethane hot melt resin composition which contains a urethane prepolymer (i) that has an isocyanate group and uses a polyol (A) and a polyisocyanate (B) as starting materials, and which is characterized in that: the polyol (A) contains an aliphatic or alicyclic polyester polyol (a1) that uses adipic acid as a starting material, and an aromatic polyester polyol (a2); and the used amount of the polyester polyol (a1) is larger than the used amount of the aromatic polyester polyol (a2). It is preferable that the amount of urethane bonds in the urethane prepolymer (i) is within the range of from 0.5 mol/kg to 3 mol/kg.
Inventors:
NINOMIYA ATSUSHI (JP)
FUJIWARA TOYOKUNI (JP)
FUJIWARA TOYOKUNI (JP)
Application Number:
PCT/JP2019/019054
Publication Date:
January 02, 2020
Filing Date:
May 14, 2019
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08G18/30; C08G18/10; C08G18/42; C09J175/04
Domestic Patent References:
| WO2004031296A1 | 2004-04-15 | |||
| WO2009011177A1 | 2009-01-22 |
Foreign References:
| JP2002194318A | 2002-07-10 | |||
| JPH10166961A | 1998-06-23 | |||
| JP2014009289A | 2014-01-20 | |||
| JP2005133051A | 2005-05-26 | |||
| JPH11349913A | 1999-12-21 | |||
| JPH10245536A | 1998-09-14 | |||
| JP2003524029A | 2003-08-12 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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