Silica based superhydrophobic coating for long-term industrial and domestic applications

In this work, multifunctional superhydrophobicity coatings have been produced on germanium, brass, steel and copper substrates with the help of simple sol–gel spray coating method. A simple testing, artificially simulated corrosive solution continuously exposes with coating surface for six months, i...

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Bibliographic Details
Published in:Journal of alloys and compounds 2016-04, Vol.663, p.487-493
Main Authors: Mahadik, Satish A., Pedraza, Fernado, Vhatkar, Rajiv S.
Format: Article
Language:English
Subjects:
Acid resistance
Alloys
Chemical Sciences
Coating
Corrosion prevention
Durability
Material chemistry
Sol gel process
Spray coating
Spray coating method
Stability
Superhydrophobicity
Thermal stability
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Summary:In this work, multifunctional superhydrophobicity coatings have been produced on germanium, brass, steel and copper substrates with the help of simple sol–gel spray coating method. A simple testing, artificially simulated corrosive solution continuously exposes with coating surface for six months, it reveals the excellent anti-corrosion performance against corrosive salt solution at room temperature. The as-prepared superhydrophobic coating surface shows outstanding long-term durability, mechanical stability, self-clean ability, thermal stability and acid resistance. We will present how the sol–gel spray coating approach has been integrated into advanced multifunctional material to improve their stability performances against critical conditions and to extend their applications by introducing additional functionalities. [Display omitted] •Superhydrophobic coatings were obtained by a spray method through sol–gel route.•The hierarchical structured coatings were inherent superhydrophobic.•Coating shows good anticorrosion, durability, thermal stability, and acids resistance.•We propose interesting application to preserve antique metallic surface.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2015.12.016