Title:
POLYURETHANE ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2024/098320
Kind Code:
A1
Abstract:
Polyurethane adhesives may include an isocyanate prepolymer and a polyol component. The isocyanate prepolymer is the reaction product of 35 to 95 wt. % of a polyisocyanate, and 65 to 5 wt. % of a non-dimeric acid based polyester polyol. The non-dimeric acid based polyester polyol may include a reaction product of a primary polyol having a hydroxyl functionality of at least 3 and a weight average molecular weight 800 g/mol or less, a C4 to C20 non-dimeric acid dicarboxylic acid and a C10 to C20 aliphatic mono-carboxylic acid. The polyol component includes 20 to 80 wt. % of a hydrophobic polyol, 3 to 15 wt. % of a phosphate modified polyol, and 10 to 30 wt. % of a vegetable oil polyurethane polyol.
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Inventors:
FAN YANBIN (CN)
ZHANG YI (CN)
QIU QIHANG (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)
ZHANG YI (CN)
QIU QIHANG (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)
Application Number:
PCT/CN2022/131081
Publication Date:
May 16, 2024
Filing Date:
November 10, 2022
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
FAN YANBIN (CN)
ZHANG YI (CN)
QIU QIHANG (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)
FAN YANBIN (CN)
ZHANG YI (CN)
QIU QIHANG (CN)
ZHANG PING (CN)
FENG SHAOGUANG (CN)
International Classes:
C09J175/04; B32B7/12; B32B15/18; C08G18/10; C08G18/12; C08G18/32; C08G18/36; C08G18/42; C08G18/48; C08G18/50; C08G18/76; C08G18/79; H01M50/00
Domestic Patent References:
| WO2011109720A1 | 2011-09-09 | |||
| WO2018222298A1 | 2018-12-06 | |||
| WO2015168670A1 | 2015-11-05 | |||
| WO2015168670A1 | 2015-11-05 |
Foreign References:
| CN109609081A | 2019-04-12 | |||
| EP0250717A1 | 1988-01-07 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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