Title:
湿気硬化型ポリウレタンホットメルト樹脂組成物
Document Type and Number:
Japanese Patent JP6733836
Kind Code:
B2
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:
Atsushi Ninomiya
Toyokuni Fujiwara
Toyokuni Fujiwara
Application Number:
JP2019566858A
Publication Date:
August 05, 2020
Filing Date:
May 14, 2019
Export Citation:
Assignee:
DIC Corporation
International Classes:
C08G18/30; C08G18/10; C08G18/42
Domestic Patent References:
| JP2002194318A | ||||
| JP10166961A | ||||
| JP2014009289A | ||||
| JP2005133051A | ||||
| JP11349913A | ||||
| JP10245536A | ||||
| JP2003524029A |
Foreign References:
| WO2004031296A1 | ||||
| WO2009011177A1 |
Attorney, Agent or Firm:
Shinji Ogawa
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito