Title:
TWO-COMPONENT POLYURETHANE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/115442
Kind Code:
A1
Abstract:
A two-component polyurethane composition contains: (A) an aqueous dispersion comprising: a hydroxyl group-containing acrylic emulsion polymer comprising, by weight based on the weight of the hydroxyl group-containing acrylic emulsion polymer, from 5%to 50%of structural units of a hydroxy-functional alkyl (meth) acrylate; and from 2%to 20%, by weight based on the weight of the hydroxyl group-containing acrylic emulsion polymer, of a branched polyether polyol; where the branched polyether polyol has a hydroxyl functionality of from 4 to 10 and a molecular weight per branch of from 1200 to 2500 grams per mole, and contains from 20%to 40%of ethylene oxide units, by weight based on the weight of the branched polyether polyol; and (B) a polyisocyanate.
Inventors:
LIN DAOSHU (CN)
SHEN CHENG (CN)
LI YAN (CN)
TANG JIA (CN)
SHEN CHENG (CN)
LI YAN (CN)
TANG JIA (CN)
Application Number:
PCT/CN2021/140728
Publication Date:
June 29, 2023
Filing Date:
December 23, 2021
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
LIN DAOSHU (CN)
SHEN CHENG (CN)
LI YAN (CN)
TANG JIA (CN)
LIN DAOSHU (CN)
SHEN CHENG (CN)
LI YAN (CN)
TANG JIA (CN)
International Classes:
C09D175/04; C08G18/40; C08G18/48; C08G18/62; C08G18/79; C08L75/04
Domestic Patent References:
| WO2021081732A1 | 2021-05-06 |
Foreign References:
| US5308912A | 1994-05-03 | |||
| US20060155095A1 | 2006-07-13 | |||
| US20060155095A1 | 2006-07-13 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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