Abstract
A fluoropolymer/silica (FP/SiO2) organic–inorganic nanocomposite was synthesized by copolymerization of butyl acrylate (BA), methyl methacrylate (MMA), 2-hydroxyethyl acrylate (HEA), and dodecafluoroheptyl methacrylate (DFMA) based on vinyl nano-silica (V-SiO2) using emulsion polymerization. The V-SiO2 was prepared via water-based sol–gel reaction with vinyl trimethoxy silane (VTMS) as the precursor in the presence of the composite surfactant. The preparation of V-SiO2, influence of the composite surfactant on V-SiO2, effect of composite emulsifier on the properties of FP/SiO2, and the formation of the FP/SiO2 nanocomposite were analyzed. The resulting V-SiO2 and FP/SiO2 were characterized by particle size analyzer, transmission electron microscopy (TEM), Fourier-transform infrared spectrometry (FTIR), and X-ray photoelectron spectroscopy (XPS). The obtained FP/SiO2 nanocomposites were applied to coat onto the flexible polyester fabrics by dip-pad-cure process. The results showed that the V-SiO2 nanoparticles had been introduced into the FP/SiO2 nanocomposites and superhydrophobic polyester surfaces were achieved by the cooperation of the rough surface structure provided by the silica nanoparticles and the low surface energy caused by fluoropolymer.
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Acknowledgments
This research was supported by Innovation Program of Shanghai Municipal Education Commission (12ZZ180). This research was also supported by Shanghai Cultivation Funding Program for Young College Teachers (ZZGJD13038) and Shanghai University of Engineering Science Start-up Research Project (2014–07).
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Xu, L., Shen, Y., Wang, L. et al. Preparation of vinyl silica-based organic/inorganic nanocomposites and superhydrophobic polyester surfaces from it. Colloid Polym Sci 293, 2359–2371 (2015). https://doi.org/10.1007/s00396-015-3624-6
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DOI: https://doi.org/10.1007/s00396-015-3624-6