Title:
ONE-COMPONENT POLYURETHANE SEALANT COMPOSITION, ARTICLE THEREOF AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2024/020932
Kind Code:
A1
Abstract:
The invention relates to a one-component moisture-curable polyurethane sealant composition comprises an isocyanate terminated polyurethane prepolymer, NCO group content of the isocyanate-terminated polyurethane prepolymer being 1.8 -4.0 wt.%, based on the total weight of the isocyanate terminated polyurethane prepolymer, an effective amount of crosslinker, the functionality of the crosslinker being 3, an effective amount of catalyst, and a silane coupling agent, the mole ratio of the silane coupling agent to the NCO group of the isocyanate terminated polyurethane prepolymer being 40:100 to 120:100.
Inventors:
QI YALONG (CN)
CHU HONGYU (CN)
CHU HONGYU (CN)
Application Number:
PCT/CN2022/108579
Publication Date:
February 01, 2024
Filing Date:
July 28, 2022
Export Citation:
Assignee:
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
HENKEL CHINA CO LTD (CN)
International Classes:
C09J175/04; C08G18/70; C09J175/00
Foreign References:
| JP2006131741A | 2006-05-25 | |||
| CN1894263A | 2007-01-10 | |||
| CN102925051A | 2013-02-13 | |||
| US2942019A | 1960-06-21 | |||
| US20190161613A1 | 2019-05-30 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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