Title:
TWO-COMPONENT POLYURETHANE COATING COMPOSITION, COATING FORMED FROM THE TWO-COMPONENT POLYURETHANE COATING COMPOSITION AND COATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2022/022529
Kind Code:
A1
Abstract:
The present application relates to a two-component polyurethane coating composition, a coating formed from the two-component polyurethane coating composition and a coated article. The two-component polyurethane coating composition comprises: component A comprising an aqueous dispersion of at least one hydroxyl functional resin; and component B comprising at least one non-hydrophilic isocyanate curing agent and at least one diluent, wherein the at least one diluent comprises at least one alkyl glycol ester, at least one cyclic carbonate ester, or combinations thereof, and the at least one alkyl glycol ester does not have an ether bond. The coated article of the present application comprises the coating formed from the two-component polyurethane coating composition. The coating composition of the invention adopts a low-cost non-hydrophilic curing agent, and the formed coating has improved gloss or transparency.
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Inventors:
WU LIBIN (CN)
LIU YIJIANG (CN)
LIU YIJIANG (CN)
Application Number:
PCT/CN2021/108735
Publication Date:
February 03, 2022
Filing Date:
July 27, 2021
Export Citation:
Assignee:
GUANGDONG HUARUN PAINTS CO LTD (CN)
International Classes:
C08G18/08; C08G18/67; C08G18/79; C08L75/04; C09D175/04
Foreign References:
| CN109852222A | 2019-06-07 | |||
| CN110343234A | 2019-10-18 | |||
| US20140248435A1 | 2014-09-04 | |||
| CN202010756175A | 2020-07-31 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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