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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b02661
|2 doi
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|a pubmed24n1011.xml
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|a (NLM)31755726
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Zongxuan
|e verfasserin
|4 aut
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|a Bioinspired Superwettable Covalent Organic Framework Nanofibrous Composite Membrane with a Spindle-Knotted Structure for Highly Efficient Oil/Water Emulsion Separation
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.06.2020
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|a Date Revised 30.06.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Covalent organic frameworks (COFs) have attracted broad interest in a number of fields including gas access, catalysis, and ionic adsorption. However, owing to the low stability in water, the application of COFs in the field of oil/water separation is extensively impeded. In this paper, we synthesized COF-DhaTab/polyacrylonitrile (PAN) nanofibrous composite membranes with a bioinspired spindle-knotted structure via a facile blending electrospinning method. The COF-DhaTab/PAN composite membrane shows prewetting-induced superoleophobicity under water and superhydrophobicity under oil. It possesses outstanding rejection ratio (>99.9%), excellent antifouling performance, and ultrahigh oil/water mixture flux up to 4229.29 L/m2h even though driven only by gravity. Specifically, an extraordinary oil contact angle under water (152.3°) and a satisfied water contact angle under oil (153.7°) were offered by the composite membrane. These are mainly attributed to the spindle-knotted structures induced by COFs. To the best of our knowledge, the application of COF/PAN composite membrane in the field of oil/water separation has never been reported. It is an innovative approach for oily wastewater treatment and oil purification
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Han, Na
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Linli
|e verfasserin
|4 aut
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| 700 |
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|a Qian, Yongqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Haoran
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Menglu
|e verfasserin
|4 aut
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|a Li, Wei
|e verfasserin
|4 aut
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|a Cui, Zhenyu
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Xingxiang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 35(2019), 50 vom: 17. Dez., Seite 16545-16554
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:50
|g day:17
|g month:12
|g pages:16545-16554
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|u http://dx.doi.org/10.1021/acs.langmuir.9b02661
|3 Volltext
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