Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 25, Issue 11, Pages 1105-1108Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400065
Keywords
crystal structures; fibrous crystal density; surfaces; superhydrophobicity; Teflon
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A rather simple but yet effective way to achieve a superhydrophobic film by extending a Teflon film is proposed. The water contact angle can be increased from 118 to 165degrees by extending to ca. 190%. The fibrous crystals and the increasing distance between the fibrous crystals are believed responsible for the high water-contact angle. It indicates that the density of the aligned microstructures is very important for the superhydrophobicity.
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