Fabrication of Superhydrophobic Aluminum Plate by Surface Etching and Fluorosilane Modification

Chemical Research in Chinese Universities ›› 2012, Vol. 28 ›› Issue (5): 903-906 .

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Fabrication of Superhydrophobic Aluminum Plate by Surface Etching and Fluorosilane Modification

YIN Shi-heng¹, ZHU Bin¹, LIU Yun-chun², YANG Ji¹, KUANG Tong-chun¹

1. Analytical & Testing Center, South China University of Technology, Guangzhou 510640, P. R. China;
2. College of Materials Science and Engineering,South China University of Technology, Guangzhou 510640, P. R. China

Received:2011-11-14 Revised:2012-01-13 Online:2012-09-25 Published:2012-09-07

Abstract

Abstract: Superhydrophobic aluminum surfaces with a high water contact angle and low sliding angle on aluminum plate substrate were fabricated by means of surface etching with sodium hydroxide under ultrasonic bathing and then modification with fluorosilane. Scanning electron microscopy(SEM) showed a honeycomb-like structure on aluminum substrate surface after etching under ultrasonic bathing. And the surface was rendered from superhydrophilicity to superhydrophobicity after further modification with fluorosilane.

Key words: Superhydrophobicity, Aluminum, Surface etching, Fluorosilane

YIN Shi-heng, ZHU Bin, LIU Yun-chun, YANG Ji, KUANG Tong-chun. Fabrication of Superhydrophobic Aluminum Plate by Surface Etching and Fluorosilane Modification[J]. Chemical Research in Chinese Universities, 2012, 28(5): 903-906 .

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Fabrication of Superhydrophobic Aluminum Plate by Surface Etching and Fluorosilane Modification

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