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Large-scale fabrication of translucent and repairable superhydrophobic spray coatings with remarkable mechanical, chemical durability and UV resistance

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Abstract

In this work, we present a simple and effective silica–polymer-based spray coating to create a translucent, mechanically durable, chemically stable, healable and environmentally friendly superhydrophobic coating with UV resistance. The coatings retained superhydrophobicity after UV radiation for at least 175 hours, heating up to 150 °C, exposure to strong acids and bases, and various mechanical durability tests such as knife scraping, hand kneading, and multiple cycles of tape peeling 100 times. In addition, the coating treated sponge was used for continuous oil–water separation through connection with a vacuum system, the separation efficiency was greater than 95% for various liquid hydrocarbons. This substrate-independent spray coating is believed to be useful for large-scale application for both outdoor and indoor applications.

Graphical abstract: Large-scale fabrication of translucent and repairable superhydrophobic spray coatings with remarkable mechanical, chemical durability and UV resistance

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Publication details

The article was received on 21 Mar 2017, accepted on 24 Apr 2017 and first published on 25 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA02488F
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Large-scale fabrication of translucent and repairable superhydrophobic spray coatings with remarkable mechanical, chemical durability and UV resistance

    D. Zhi, Y. Lu, S. Sathasivam, I. P. Parkin and X. Zhang, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA02488F

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