Title:
ULTRA-HYDROPHILIC FILTRATION FILTER FOR OIL-WATER SEPARATION AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/194042
Kind Code:
A1
Abstract:
A method for ultra-hydrophilic surface treatment of a polymer fiber substrate according to the present invention comprises the steps of: forming a thermosetting coating layer on the surface of a polymer substrate; forming a carboxylate group (-COO-) on the surface of the thermosetting coating layer; forming an amide bond (-CONH-) between the thermosetting coating layer and hydrogel monomers; and forming a hydrophilic polymer layer by crosslinking the hydrogel monomers.
Inventors:
HWANG WOON BONG (KR)
CHO HANDONG (KR)
KIM SEONG MIN (KR)
CHO HANDONG (KR)
KIM SEONG MIN (KR)
Application Number:
PCT/KR2020/016904
Publication Date:
September 30, 2021
Filing Date:
November 26, 2020
Export Citation:
Assignee:
POSTECH RES & BUSINESS DEV FOUND (KR)
International Classes:
B01D39/16; C08J3/24; D06M15/285; D06M15/59
Foreign References:
KR20110115856A | 2011-10-24 | |||
KR20140074028A | 2014-06-17 | |||
KR20170081439A | 2017-07-12 | |||
KR20160022619A | 2016-03-02 | |||
US6039872A | 2000-03-21 |
Other References:
See also references of EP 4129444A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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