Title:
MOISTURE-CURABLE POLYURETHANE HOT-MELT ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2023/002992
Kind Code:
A1
Abstract:
A moisture-curable polyurethane hot-melt adhesive which comprises a urethane prepolymer having terminal isocyanate groups and obtained by reacting a polyisocyanate ingredient at least including a modification of an aliphatic diisocyanate with a polyol ingredient, wherein the average number of isocyanate functional groups in the polyisocyanate ingredient is 2.0-3.0 and the polyol ingredient contains a tri- or higher-functional polyol in an amount of 1-8 mass% with respect to the polyol ingredient.
Inventors:
SANADA MEIKA (JP)
OKUIZUMI KANNA (JP)
SASAKI KAZUYA (JP)
OKUIZUMI KANNA (JP)
SASAKI KAZUYA (JP)
Application Number:
PCT/JP2022/028089
Publication Date:
January 26, 2023
Filing Date:
July 19, 2022
Export Citation:
Assignee:
DAINICHISEIKA COLOR CHEM (JP)
International Classes:
C09J175/04; C08G18/12; C08G18/30; C08G18/73; C08G18/78
Foreign References:
| JP2009280735A | 2009-12-03 | |||
| JP2014122257A | 2014-07-03 | |||
| JP2017152349A | 2017-08-31 | |||
| JP2017137426A | 2017-08-10 | |||
| US20200407609A1 | 2020-12-31 |
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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