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| Fabrication and Characteration of Superhydrophobic Polymer/hydrophobic SiO2 Composite Coatings |
| GUO Yonggang** GENG Tie WU Haihong DENG Penghui |
| (School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450007) |
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Cite this article:
GUO Yonggang** GENG Tie WU Haihong DENG Penghui. Fabrication and Characteration of Superhydrophobic Polymer/hydrophobic SiO2 Composite Coatings. Chinese Journal of Materials Research, 2013, 27(4): 439-443.
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Abstract Using low density polyethylene (PE), polymethyl methacrylate (PMMA) and hydrophobic SiO2 as the raw materials, PE/hydrophobic SiO2 and PMMA/hydrophobic SiO2 composite coatings with superhydrophobicity were fabricated on the glass substrate by a simple one-step casting method. Several analysis equipments, such as contact angle meter, scanning electron microscope and X-ray photoelectron spectroscopy instrument, were used to characterize and analyse the wettability, morphology, and surface chemical properties of the as-prepared coatings, respectively. The results show that the static water contact angles of the two coatings are higher than 150° and the sliding angles are lower than 3.0°. It is also found that the micro-nano-binary structure, similar to lotus leaves, is essential for achieving an excellent superhydrophobic surface.
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