Abstract
Novel fluoroalkyl end-capped vinyltrimethoxysilane oligomeric nanoparticles were prepared by the hydrolysis of the corresponding oligomer under alkaline conditions. The size of fluorinated nanoparticles thus obtained is of submicrometer levels and is not sensitive to the refractive indices of a variety of solvents; however, the turbidity of the dispersed fluorinated nanoparticles is extremely sensitive to the refractive indices of these solvents. In particular, the solvents of which the refractive indices are from 1.378 to 1.408 were found to afford the transparent colorless dispersed particle solutions. More interestingly, the modified glass surface treated with fluorinated nanoparticles exhibited a completely superhydrophobic characteristic (a water contact angle: 180°) with a nonwetting property against water droplets.
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Thanks are due to Keyence Corp. for measurements of AFM.
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Sawada, H., Suzuki, T., Takashima, H. et al. Preparation and properties of fluoroalkyl end-capped vinyltrimethoxysilane oligomeric nanoparticles—A new approach to facile creation of a completely superhydrophobic coating surface with these nanoparticles. Colloid Polym Sci 286, 1569–1574 (2008). https://doi.org/10.1007/s00396-008-1926-7
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DOI: https://doi.org/10.1007/s00396-008-1926-7