Characterization of stable hydrophobic carbon coating and its application in removing organic pollutants |
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Authors: | Hyun Ook Seo Myung-Geun Jung Kwang-Dae Kim Young Dok Kim Dong Chan Lim Kyu Hwan Lee |
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Affiliation: | 1. Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Republic of Korea;2. Materials Processing Division, Korea Institute of Materials Science, Changwon 641-010, Republic of Korea |
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Abstract: | Polydimethylsiloxane (PDMS) thin films were deposited on Ni particles with a mean size of ~1 μm using chemical vapor deposition method. The thin films consisting of these PDMS-covered Ni particles showed a water contact angle higher than 160°, corresponding to the superhydrophobicity. These superhydrophobic films were found to be resistant toward acidic and basic media. The PDMS-covered Ni particles showed high affinity toward non-polar organic solvent such as toluene. Together with an external magnetic field, the PDMS-covered Ni can be used for separating water and toluene from a water/toluene heterogeneous mixture. |
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