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Facile Fabrication of Superhydrophobic Surface via SiO2/Fluoro-Containing Polymer Composite Particles

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Abstract:

SiO2/fluoro-containing polymer (SiO2/PFS) composite particles consisting of a vinyl-functional silica core with grafted mixed block copolymer were prepared by emulsion polymerization with styrene and 1H,1H,2H,2H-perfluorooctyl methacrylate as the reaction monomers. Vinyl-functional silica spheres and SiO2/PFS composite particles were characterized by SEM, FT-IR spectroscopy, TEM and XPS. The results indicate that fluoro-containing polymer has been successfully grafted onto the surface of vinyl-functional silica sphere and SiO2/PFS particle has a core-shell structure. The SiO2/PFS coating possesses a micro/nano-scale hierarchical structure and low surface free energy, which are prerequisite surface properties for obtaining superhydrophobicity. The static water contact angle on the SiO2/PFS coating has as high as 171° and water droplet can easily roll off the coated substrate.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

1922-1926

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.1922

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Online since:

January 2013

Authors:

Qian Qian Shang, Hu Liu, Guo Min Xiao

Keywords:

Fluoro-Containing Polymer, Hierarchical Structure, Superhydrophobic, Vinyl-Functional Silica Spheres

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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