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Title:
PROCESS FOR FORMING SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2020/037487
Kind Code:
A1
Abstract:
Provided are a process, the process includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant, the aqueous polyurethane dispersion including a second surfactant; and (iii) precipitating the polyurethane in the modified textile component. Also disclosed are a synthetic leather produced by the process.

Inventors:
GUO YUNLONG (CN)
ZHANG YI (CN)
QU ZHAOHUI (CN)
TAI XIANGYANG (CN)
Application Number:
PCT/CN2018/101464
Publication Date:
February 27, 2020
Filing Date:
August 21, 2018
Export Citation:
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Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
ROHM & HAAS (US)
GUO YUNLONG (CN)
ZHANG YI (CN)
QU ZHAOHUI (CN)
TAI XIANGYANG (CN)
International Classes:
D06N3/14; D06M15/05
Domestic Patent References:
WO2004061198A12004-07-22
WO2013056391A12013-04-25
WO2011137565A12011-11-10
WO2018037039A12018-03-01
WO2004061198A12004-07-22
WO2013056391A12013-04-25
WO2011137565A12011-11-10
WO2018037039A12018-03-01
Foreign References:
US20090311929A12009-12-17
US5518764A1996-05-21
US20090311929A12009-12-17
US5518764A1996-05-21
US5539021A1996-07-23
US5688842A1997-11-18
US5959027A1999-09-28
US3412054A1968-11-19
US3294724A1966-12-27
US3410817A1968-11-12
Other References:
See also references of EP 3841243A4
Attorney, Agent or Firm:
WU, FENG & ZHANG (CN)
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