Superhydrophobic Surface Prepared by Organic-Inorganic Hybrid Material on Plasma Spraying Al2O3+13wt. %TiO2 Ceramic Coating

Yu Xiao Mi; Ze Hua Zhou; Ze Hua Wang; Guo Wei Wang; Juan Yao

doi:10.4028/www.scientific.net/MSF.817.76

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Superhydrophobic Surface Prepared by Organic-Inorganic Hybrid Material on Plasma Spraying Al₂O₃+13wt. %TiO₂ Ceramic Coating

Abstract:

The plasma spraying Al₂O₃+13wt. %TiO₂ ceramic coating was coated with organic-inorganic hybrid emulsion. The hybrid emulsion prepared through co-hydrolysis and copolycondensation reactions of tetraethoxysilane (TEOS) and methyltriethoxysilane (MTES), and methylsilicone resin was added in the emulsion to improve the film-forming properties. The morphologies, chemical compositions and hydrophobicity of the resulting surfaces were analyzed by scanning electron microscopy (SEM), 3-dimensional stereoscopic microscope, energy dispersive X-ray detector (EDX), Fourier transfer infrared spectrometer (FT-IR) and water contact angle measurement. When the mole ratio of TEOS/MTES and the weight ratio of methylsilicone resin were 1:1 and 3.5wt. %, respectively, this surface displayed good film-forming properties. The contact angle was 130.24°, and the contact angle hysteresis was less than 10°.

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Periodical:

Materials Science Forum (Volume 817)

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76-81

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https://doi.org/10.4028/www.scientific.net/MSF.817.76

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Online since:

April 2015

Authors:

Yu Xiao Mi*, Ze Hua Zhou, Ze Hua Wang, Guo Wei Wang, Juan Yao

Keywords:

Ceramic Coating, Organic–Inorganic Hybrids, Sol–Gel Process, Superhydrophobic

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