화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2020년 가을 (10/28 ~ 10/30, 광주 김대중컨벤션센터(Kimdaejung Convention Center))
권호 24권 1호
발표분야 포스터-콜로이드·계면화학
제목 Selective surface modification of polymer–silica nanocomposites for oil-repellent wet-style antifogging coatings
초록 Recently, a wet‐style superhydrophobic coating, which simultaneously exhibits antifogging, antireflective, and self‐cleaning properties was prepared by pattern transferring low‐surface‐energy microstructures onto a nanoscale thin film comprising polymers and silica nanoparticles. However, the micropillar array used results in limited optical transparency, oil-repellency as well as ineffective removal of smaller organic contaminants by water droplets. In this work, we utilize temperature-responsive wax as a masking material for selective surface modification of polymer-silica nanocomposites to achieve oil-repellent wet-style antifogging coatings. We demonstrate that infusion of wax protects the lower part of the silica layer from fluorination, facilitating water molecules to condense into this region and suppress scattering. On the contrary, the upper low-surface-energy modified silica layer enables oil-repellency as well as the adsorbed contaminants to be easily removed by water.
저자 김형정, 윤종선, 이효민
소속 포항공과대
키워드 Selective surface modification; oil-repellent; antifogging
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