期刊
NANOSCIENCE AND NANOTECHNOLOGY LETTERS
卷 7, 期 1, 页码 45-49出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/nnl.2015.1901
关键词
iCVD; Radical Polymerization; Fluoroalkyl Acrylate; Hydrophobic Coating
资金
- Advanced Biomass R&D Center (ABC) of Global Frontier Project - Ministry of Education, Science and Technology [ABC-2011-0031356]
- IT R&D program of MKE/KEIT [10041416]
- EEWS Research Project of the KAIST EEWS Research Center [EEWS-2014-N01140052]
Polymers with long fluoroalkyl chain show superhydrophobicity due to their low surface energy, and had been applied to various water-proof/anti-fouling coatings. Here, we demonstrate a new hydrophobic polymer, poly(2-(perfluorohexyl) ethyl methacrylate) (PPFHEMA) via initiated chemical vapor deposition (iCVD). The water contact angle of poly(2-(perfluorohexyl) ethyl methacrylate)) (PPFHEMA) film coated on silicon wafer was as high as 114.19 degrees, which is comparable to that of poly(1H, 1H, 2H, 2H-perfluorodecyl acrylate) (PPFDA) containing longer CF2 side chain length than PPFHEMA. The measured contact angle value was highly dependent upon the surface morphology of the PPFHEMA, which could be systematically controlled by changing the thickness of PPFHEMA. The PPFHEMA film was conformally coated onto polyester fabric and showed the water contact angle of up to 130 degrees. These results indicate that iCVD PPFHEMA hydrophobic coatings can be applied to various non-flat, textured substrates for commercial purposes overcoming environmental regulations applied to chemicals with long fluoroalkyl chains.
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