期刊
MATERIALS LETTERS
卷 217, 期 -, 页码 5-8出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.01.026
关键词
Surfaces; Cu(OH)(2); Microstructure; Superhydrophobicity; Water-in-oil emulsion
资金
- National Natural Science Foundation of China [20976055, 21776094]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20130172110008]
A novel filter paper (FP) with superhydrophobicity and superoleophilicity was prepared via adsorption and immersion process for the separation of surfactant-stabilized water-in-oil emulsions. The realization of superhydrophobicity with a water contact angle of 153 degrees benefits from the Cu(OH)(2) nanostructure formed on FP and subsequent stearic acid (STA) modification. The three-dimensional network of FP as well as superhydrophobic and superoleophilic property can facilitate the demulsification of emulsified oil, thus the only gravity-driven separations of various water-in-oil emulsions with high oil flux and good recyclability have been achieved. The superhydrophobic FP can be massively applied in emulsion separation due to its facile preparation and superior performance. (C) 2018 Elsevier B.V. All rights reserved.
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