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Title:
COMBINED USE OF POLYOL ETHERS AND CATIONIC POLYELECTROLYTES IN AQUEOUS POLYURETHANE DISPERSIONS
Document Type and Number:
WIPO Patent Application WO/2021/007839
Kind Code:
A1
Abstract:
The combined use of polyol ethers and cationic polyelectrolytes as additives in cosurfactant-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.

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Inventors:
KLOSTERMANN MICHAEL (DE)
LE YECHEN (CN)
FELDMANN KAI-OLIVER (DE)
JANSEN MARVIN (DE)
Application Number:
PCT/CN2019/096497
Publication Date:
January 21, 2021
Filing Date:
July 18, 2019
Export Citation:
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Assignee:
EVONIK OPERATIONS GMBH (DE)
International Classes:
C09K23/00; C08J9/00; C09D175/00; C09K23/16; C09K23/18; C09K23/42
Domestic Patent References:
WO2003031715A12003-04-17
WO2003031715A12003-04-17
WO2019042696A12019-03-07
Foreign References:
CN101855259A2010-10-06
CN101420987A2009-04-29
CN108219656A2018-06-29
Other References:
See also references of EP 3999224A4
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LIMITED (CN)
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