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公开(公告)号：US20210180246A1
公开(公告)日：2021-06-17
申请号：US17267930
申请日：2018-08-21
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor： Yunlong Guo , Yi Zhang , Zhaohui Qu , Xiangyang Tai
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.
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