期刊
APPLIED SURFACE SCIENCE
卷 440, 期 -, 页码 560-569出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2018.01.213
关键词
CuO nanoneedles; Carboxymethyl cellulose chelate hydrogel; Underwater superoleophobic; Oil-water separation; Environmentally-friendly
类别
资金
- National Natural Science Foundation of China [51608226, 21777062, 21676127, U1510126, U1407123]
- Natural Science Foundation of Jiangsu Province [BK20170532, BK20160501, BK20160569, BK20151350]
- China Postdoctoral Science Foundation [2017M620194]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1701023A]
- Natural Science Foundation Jiangsu Higher Education Institutions [17KJB430011]
The research of superhydrophilic interface is developing rapidly, but the preparations of superhydrophilic surfaces through simple methods are still challenging. Herein, we reported a facile, rapid and environmentally-friendly approach for preparing a novel superhydrophilic and underwater superoleophobic membrane via the thermal oxidation of Cu mesh and one-step coordinated assembly of Fe(III)CMC chelate hydrogel. Superhydrophilicity was attributed to the hydrophilicity of Fe(III)-CMC chelate hydrogel and nanoneedle-like rough structure of CuO@Cu membrane. The membrane was used to separate a variety of oil/water mixtures and exhibited excellent separation performance. Moreover, the membrane exhibited the excellent durability and superior stability against corrosion conditions. We envision that the Fe(III)-CMC@CuO@Cu membrane with good underwater superoleophobicity could provide a candidate not only for oil/water separation but also many other potential applications such as underwater oil manipulation, self-clean, and bio-adhesion control. (C) 2018 Elsevier B.V. All rights reserved.
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