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Superhydrophobic surface by immobilization of polystyrene on vinyl-modified titania nanoparticles

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Abstract

The organic–inorganic nanocomposite films were fabricated by grafting polystyrene (PS) onto the vinyltriethoxysilane (VTEOS) modified titanium dioxide nanopowders using free radical polymerization. The composition of the surfaces and the structure for the PS grafted titania (PS-g-TiO2) were examined by infrared spectroscopy, X-ray photoelectron spectroscopy and thermogravimetric analysis, and the rough surface was confirmed by the evaluation of the morphological characteristics of the coating using hybrid particles. The wetting properties of the VTEOS modified titania and PS-g-TiO2 films were investigated, which show the maximum static water contact angles of 160° and 154°, and minimum sliding angles of 3° and 4°, respectively.

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Acknowledgments

This work is supported by the Scientific Research Foundation for the Returned Overseas Scholars in Jinan (20100406), the Youth Scientist Fund of Shandong Province (BS2011CL025), the Doctoral Startup Foundation of Shandong Polytechnic University, National Natural Science Foundation of China (50902089 and 51172132), the Independent Innovation Foundation of Shandong University (IIFSDU, No. 2009JC012), and Shandong Province Natural Science Foundation (ZR2010EM020).

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Correspondence to W. L. Liu.

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Liu, W.L., Wang, L., Zhang, L.D. et al. Superhydrophobic surface by immobilization of polystyrene on vinyl-modified titania nanoparticles. J Sol-Gel Sci Technol 62, 424–431 (2012). https://doi.org/10.1007/s10971-012-2744-4

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  • DOI: https://doi.org/10.1007/s10971-012-2744-4

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