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Room temperature synthesis of water-repellent polystyrene nanocomposite coating |
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| Authors: | Yonggang Guo Dong Jiang Xia Zhang Qihua Wang |
| Institution: | a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China b Graduate School, Chinese Academy of Sciences, Beijing 100039, PR China c Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, PR China |
| Abstract: | A stable superhydrophobic polystyrene nanocomposite coating was fabricated by means of a very simple and easy method. The coating was characterized by scanning electron microscopy and X-ray photoelectron spectrum. The wettability of the products was also investigated. By adding the surface-modified SiO2 nanoparticles, the wettability of the coating changed to water-repellent superhydrophobic, not only for pure water, but also for a wide pH range of corrosive liquids. The influence of the drying temperature and SiO2 content on the wettability of the nanocomposite coating was also investigated. It was found that both factors had little or no significant effect on the wetting behavior of the coating surface. |
| Keywords: | Coating Superhydrophobicity Water contact angle |
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