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Patent Searching and Data


Title:
AQUEOUS DISPERSION
Document Type and Number:
WIPO Patent Application WO/2019/129111
Kind Code:
A1
Abstract:
The invention relates to a polyurethane polymer-based aqueous dispersion and a method for preparing the same, a composition comprising the aqueous dispersion, use of the composition, and a coated article. The aqueous dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is obtained by reacting a system comprising the following components: an isocyanate compound comprising a pentamethylene diisocyanate, wherein the amount of the pentamethylene diisocyanate is not less than 25 wt.% based on that the amount of the isocyanate compound is 100 wt.%; a polymer polyol having a number average molecular weight of not less than 400 g/mol, wherein the polymer polyol comprises a carbon dioxide-derived polyether carbonate polyol, the amount of which is not less than 40 wt.% based on that the amount of the polymer polyol is 100 wt.%; an amino compound having an amino functionality of greater than 1; and a compound comprising at least one isocyanate-reactive group and at least one ionic or potentially ionic hydrophilic group.

Inventors:
FAN ZHIRONG (CN)
ZHAI SUJUAN (CN)
AVTOMONOV EVGENY (DE)
GRABLOWITZ HANS GEORG (DE)
MICHAELIS THOMAS (DE)
Application Number:
PCT/CN2018/124106
Publication Date:
July 04, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
COVESTRO DEUTSCHLAND AG (DE)
FAN ZHIRONG (CN)
International Classes:
C08G18/73; C08G18/10; C08G18/44; C09D175/04
Domestic Patent References:
WO2006101433A12006-09-28
WO2016098771A12016-06-23
WO2015039981A12015-03-26
WO2011163250A12011-12-29
Foreign References:
CN106750118A2017-05-31
Other References:
See also references of EP 3732224A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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