Title:
MOISTURE-CURABLE POLYURETHANE HOT MELT ADHESIVE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2024/055230
Kind Code:
A1
Abstract:
Provided is a moisture-curable polyurethane hot melt adhesive composition comprising at least one polyurethane prepolymer obtained by reacting components comprising (A) a polyol mixture comprising: (a) at least one polyol which is liquid at room temperature, (b) at least one crystalline polyester polyol having a melting point of less than 70℃, and (c) 0 to less than 15.4% by weight based on the total amount of the composition of at least one crystalline polyester polyol having a melting point of no less than 70℃; with (B) at least one polyisocyanate having at least two isocyanate groups in one molecule.
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Inventors:
LUO YIZHONG (CN)
Application Number:
PCT/CN2022/118969
Publication Date:
March 21, 2024
Filing Date:
September 15, 2022
Export Citation:
Assignee:
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
HENKEL CHINA CO LTD (CN)
International Classes:
C09J133/00; C08G18/42; C08G18/48; C09J175/06; C09J175/08
Foreign References:
| CN106062116A | 2016-10-26 | |||
| CN107523255A | 2017-12-29 | |||
| CN108285766A | 2018-07-17 | |||
| US6221978B1 | 2001-04-24 | |||
| CN1942548A | 2007-04-04 | |||
| US5932680A | 1999-08-03 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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