Journal
APPLIED SURFACE SCIENCE
Volume 316, Issue -, Pages 259-263Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2014.08.002
Keywords
Mechanical durability; Superhydrophobic; Oleophobic; Copper meshes
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Funding
- National Natural Science Foundation of China [51275213, 51302112]
- Jiangsu National Nature Science Foundation [BK2011534, BK2011480]
- Jiangsu Industry-University-Research Joint innovation Foundation [BY2013065-05, BY2013065-06]
- Project Funded by Priority Academic Program Development of Jiangsu Higher Education Institutions
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We developed a simple and inexpensive method to prepare the superhydrophobic and oleophobic copper meshes with rough structures fabrication and chemical modification. The achieved surfaces displayed liquid-repellent toward water and several organic liquids (such as hexadecane), which possessed much lower surface tension than that of water. Liquid repellency of the fabricated superhydrophobic copper mesh was demonstrated by visible experiment results and contact angle measurements. Even if the superhydrophobic copper mesh was rolled up, it still kept the superhydrophobicity. The mechanical durability was investigated by finger touch and mechanical abrasion tests. The results indicated that the copper mesh can maintain its superhydrophobicity against an abrasion length of 300 cm under a high pressure (77.2 kPa). The superhydrophobicity and oleophobicity, combined with mechanical durability, would promote the superhydrophobic surface to practical application in industry in the future. (C) 2014 Elsevier B.V. All rights reserved.
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