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    The stability of superhydrophobic surfaces tested by high speed current scouring

    Year: 2008

    Journal: Applied Surface Science, Volume 254, Issue 10, 15 March 2008, Pages 2911-2916, 20111221

    Authors: Zhe Cui, Qingjun Wang, Yi Xiao, Changhong Su and Qingmin Chen

    Organizations: Polymer Science and Engineering Department, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China

    In this paper, on the basis of our former work, we fabricate four kinds of superhydrophobic surfaces by simple means, and adopt high-speed-current-scouring method to test the durability of the as-prepared samples against external force. There exists obvious difference between these four samples in the durability. Finally, we find that the sample with chemical etching and aminosiloxane coating presents best stability, and its contact angle still maintains 141° even after 32-h scouring by current at a speed of 10 m/s. SEM and XPS are utilized to analyze and explain the difference in the durability of the four samples.