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Superhydrophobic coatings prepared from methyl-modified silica particles using simple dip-coating method
- Authors
- Gurav, Annaso B.; Xu, Qingfeng; Latthe, Sanjay S.; Vhatkar, R. S.; Liu, Shanhu; Yoon, Hyun; Yoon, Sam S.
- Issue Date
- 3월-2015
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Superhydrophobic; Dip coating; Silica; Interface; Self-cleaning
- Citation
- CERAMICS INTERNATIONAL, v.41, no.2, pp.3017 - 3023
- Indexed
- SCIE
SCOPUS
- Journal Title
- CERAMICS INTERNATIONAL
- Volume
- 41
- Number
- 2
- Start Page
- 3017
- End Page
- 3023
- ISSN
- 0272-8842
- Abstract
- A simple and time-saving approach for preparing self-cleaning superhydrophobic silica coatings using a dip-coating technique is reported in this study. Commercially available silica particles were modified with methyl groups using methyltrichlorosilane as a modifying agent. By adopting a multi-layer deposition process, a superhydrophobic silica coating with a water contact angle of 153 degrees +/- 2 degrees and roll-off angle of 8 degrees +/- 1 degrees was obtained. The prepared silica coating exhibited excellent self-cleaning performance; moreover, it was able to maintain superhydrophobicity under the impact of a water jet. This method could be an effective strategy for fabricating self-cleaning superhydrophobic surfaces for promising industrial applications. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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