Title:
TWO-COMPONENT POLYURETHANE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/026880
Kind Code:
A1
Abstract:
A two-component polyurethane composition comprising: a specific emulsion polymer, and a water-dispersible polyisocyanate; the emulsion polymer comprising, by weight based on the weight of the emulsion polymer, (a) greater than 15%to less than 30%of structural units of tert-butyl methacrylate, (b) greater than 10%of structural units of a hydroxy-functional alkyl (meth) acrylate, (c) structural units of a phosphorous-containing acid monomer and/or a salt thereof, (d) structural units of an additional acid monomer and/or a salt thereof, and (e) structural units of an additional monoethylenically unsaturated nonionic monomer; wherein the weight ratio of (d) / (c) is in the range of from 7.1: 1 to 9.9: 1; and a process of preparing the two-component polyurethane composition.
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Inventors:
YANG XIAOHONG (CN)
SHI FENGZHE (CN)
WANG JINFEI (CN)
ZHAO JUAN (CN)
ZHOU LI (CN)
SHI FENGZHE (CN)
WANG JINFEI (CN)
ZHAO JUAN (CN)
ZHOU LI (CN)
Application Number:
PCT/CN2019/100775
Publication Date:
February 18, 2021
Filing Date:
August 15, 2019
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
ROHM & HAAS (US)
YANG XIAOHONG (CN)
SHI FENGZHE (CN)
WANG JINFEI (CN)
ZHAO JUAN (CN)
ZHOU LI (CN)
ROHM & HAAS (US)
YANG XIAOHONG (CN)
SHI FENGZHE (CN)
WANG JINFEI (CN)
ZHAO JUAN (CN)
ZHOU LI (CN)
International Classes:
C09D133/08; C08F220/16; C08F220/20; C09D133/10; C09D135/06; C09D175/04
Foreign References:
| CN102167946A | 2011-08-31 | |||
| CN1646634A | 2005-07-27 | |||
| CN107207636A | 2017-09-26 | |||
| CN107434948A | 2017-12-05 | |||
| US4401794A | 1983-08-30 | |||
| US9365739B2 | 2016-06-14 | |||
| US20060155095A1 | 2006-07-13 | |||
| US5663272A | 1997-09-02 | |||
| US6028158A | 2000-02-22 |
Other References:
See also references of EP 4013831A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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