Superhydrophobic polyethylene films by catalytic ethylene polymerization

P.C. Thüne, W. Han, W. Ming, J.W. Niemantsverdriet

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3 Citations (Scopus)
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Polyethylene films were grown on a flat silica surface modified by the bis(imino)pyridyl iron(II) catalyst during ethylene polymerization in an organic solvent. The resulting films show under certain polymerization conditions superhydrophobic properties. The development of the nascent polymer morphology which leads to the superhydrophobic behaviour depens strongly on the polymerization conditions, especially the solvent and the polimerization temperature. Advancing water contact angle as high as 169° and sliding angles as low as 2° for a 10ì droplet are obtained on these films. SEM images reveal special surface structures of these films containing micrometer-sized inlands, submicrometer particles on the islands, and stress nanofibers between the islands, which - in combination - render superhydrophobicity on the polyethylene surfaces.
Original languageEnglish
Pages (from-to)353-363
JournalJournal of Adhesion Science and Technology
Issue number3-4
Publication statusPublished - 2008


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