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The Production of Hydrophobic Surfaces by the Adsorption of Perfluorocarboxylic Acids onto Metal Oxides  

Ha, Ki Ryong (Department of Chemical Engineering, Keimyung University)
Lee, Myunghee (Textile Ecology Laboratory, Korea Institute of Industrial Technology)
Chung, Chinkap (Department of Chemistry, Keimyung University)
Publication Information
Applied Chemistry for Engineering / v.16, no.4, 2005 , pp. 542-548 More about this Journal
Abstract
The self-assembled monolayers (SAMs) of perfluorocarboxylic acids were fabricated on several metal oxide powders. Perfluorododecanoic acid and perfluorooctadecanoic acid were used to study the effect of chain length on SAM. Alumina, Tantalia, Titania, and Zirconia were the metal powders used. The formation of the SAMs was confirmed by DRIFT(Diffuse Reflectance Infrared Fourier Transform) spectroscopy. Since the perfluorohydrocarbons are well known for their hydrophobicity, the resulting monolayers are also expected to have high hydrophobicity. The quality of DRIFT spectra of SAMs was dependent on the powder size as well as the element of metal oxides.
Keywords
hydrophobic surface; perfluorocarboxylic acids; metal oxide;
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