Facile preparation of robust and superhydrophobic materials for self-cleaning and oil/water separation

被引:103
作者
Cao, Wen-Tao [1 ]
Liu, Yan-Jun [1 ]
Ma, Ming-Guo [1 ,2 ]
Zhu, Jie-Fang [3 ]
机构
[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing Key Lab Lignocellulos Chem, Engn Res Ctr Forestry Biomass Mat & Bioenergy, Beijing 100083, Peoples R China
[2] Qilu Univ Technol, Minist Educ, Key Lab Pulp & Paper Sci & Technol, Jinan 250353, Shandong, Peoples R China
[3] Uppsala Univ, Dept Chem, Angstrom Lab, S-75121 Uppsala, Sweden
关键词
Superhydrophobicity; Robustness; Self-clean; Oil/water separation; OIL-WATER SEPARATION; SUPEROLEOPHOBIC SURFACES; POLYURETHANE SPONGE; SLIPPERY SURFACES; OLIVE OIL; FABRICATION; EFFICIENT; MEMBRANE; CORROSION; DROPLETS;
D O I
10.1016/j.colsurfa.2017.05.064
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Superhydrophobic coatings have broad applications owing to their excellent water-resisting and self-cleaning properties. In this study, we have successfully fabricated coated meshes with robust and superhydrophobic surface (i.e., water-repellent magnesium stearate powders on substrates made of phenol-formaldehyde resin). These coated meshes showed superhydrophobicity with water contact angles exceeding 150 degrees and excellent self-cleaning property both in air and oil circumstances. Additionally, the superhydrophobic surfaces also exhibited prominent mechanical stability, thermal stability, corrosion resistance, and oil/water separation properties (> 92%). Therefore, it is believed that the facile fabrication presented in this study may provide a novel methodology and these robust and superhydrophobic coated meshes have potential applications in oil/water separation.
引用
收藏
页码:18 / 25
页数:8
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