期刊
COLLOID AND POLYMER SCIENCE
卷 286, 期 13, 页码 1569-1574出版社
SPRINGER
DOI: 10.1007/s00396-008-1926-7
关键词
superhydrophobicity; oleophobicity; refractive index; nanoparticle; dispersibility; surface modification; SEM; AFM
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 degrees) with a nonwetting property against water droplets.
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