期刊
SURFACE & COATINGS TECHNOLOGY
卷 254, 期 -, 页码 97-103出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2014.05.068
关键词
Superhydrophobic coating; Abrasion resistance; Contact angle; Sliding angle; Adhesion strength
资金
- Natural Science Foundation of China [51103036, 51203183]
- Youth Foundation of Hunan Educational Committee [11B035]
- Science Foundation of Hunan University of Technology [2011HZX06]
In this work, a simple and easy way was developed to prepare a polydimethylsiloxane (PDMS)/CaCO3 based superhydrophobic coating. The obtained coating can be applied to different substrates such as craft paper, glass slide and copper sheet. After being dried under ambient condition, the water contact angle and sliding angle on the coating surface were tested to evaluate the wettability of the coating surface. Results showed that the contact angle and sliding angle on the obtained superhydrophobic coating with the optimum ratio of PDMS and nano-CaCO3 particles can reach 160 degrees and 3 degrees, respectively. Mechanism of the wettability change of the coating surface was analyzed. Moreover, robustness of the superhydrophobic coating against mechanical shear and adhesion strength of the superhydrophobic coating were tested, and the results demonstrated that the coating surface was stable. (C) 2014 Elsevier B.V. All rights reserved.
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