A simple solution-immersion process for the fabrication of superhydrophobic cupric stearate surface with easy repairable property |
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| Authors: | Jian Li Xiaohong Liu Yinping Ye Huidi Zhou Jianmin Chen |
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| Institution: | aState Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China;bGraduate School, Chinese Academy of Sciences, Beijing 100039, People's Republic of China;cKey Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education and Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People's Republic of China |
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| Abstract: | The present work reports a simple and time-saving method to fabricate cupric stearate film on zinc substrate by a solution-immersion process. Superhydrophobic surfaces are conventionally prepared employing two steps: roughening a surface and lowering its surface energy. The fabrication of superhydrophobic cupric stearate surface is reported using a one-step process by immersing a zinc plate coated with copper into the stearic acid solution, simplifying the complexity of two different steps involved in the conventional methods. The surface of the zinc plate coated with copper is found to be covered with low surface energy cupric stearate film providing the water contact angle of 160 ± 1° with the rolling off properties. In addition, the damaged superhydrophobic surface can restore superhydrophobicity property by immersing the surface into the stearic acid solution again. |
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| Keywords: | Superhydrophobic Water contact angle Stearic acid Repairable |
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