201. Fabrication of a superhydrophobic coating with high adhesive effect to substrates and tunable wettability.
- Author
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Li, Yuan, Zhang, Zhaozhu, Zhu, Xiaotao, Men, Xuehu, Ge, Bo, and Zhou, Xiaoyan
- Subjects
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MICROFABRICATION , *HYDROPHOBIC compounds , *ADHESIVES , *SUBSTRATES (Materials science) , *WETTING , *SURFACE coatings - Abstract
In this paper, a new superhydrophobic coating was successfully prefabricated by a facile sol–gel process which was made up of first the surface chemical reaction of (3-Glycidyloxypropyl) trimethoxysilane (A-187) and SiO 2 particles and subsequent spray-coating onto the substrate. Further hardening treatment and surface fluorination allowed the SiO 2 coating with the optimum mass ratio of 2.0:1 to exhibit nice superhydrophobic property and high adhesive effect to substrates. Our researches indicated that the mass ratio of A-187 and SiO 2 particles could significantly control the surface morphology (or the wettability) and affect adhesion force of the superhydrophobic coating to substrates. In the process, hardening temperature was quite important for rapid evaporation of the solvent and then fast hardening of the coating despite the absence of the similar effect to the mass ratio of A-187 and SiO 2 particles on the superhydrophobic coating, and moreover, a higher hardening temperature could also highly improve transparency of the superhydrophobic coating. These findings suggest that the superhydrophobic coating should have promising commercial applications as a self-cleaning product. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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