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One‐step fabrication of fluoropolymer transparent films with superhydrophobicity by dry method
Author(s) -
Wang JianMing,
Wang LiDuo,
Feng Lin
Publication year - 2010
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.33177
Subject(s) - fluoropolymer , polytetrafluoroethylene , contact angle , materials science , fabrication , evaporation , thin film , composite material , vacuum evaporation , particle (ecology) , surface energy , chemical engineering , nanotechnology , polymer , medicine , oceanography , alternative medicine , physics , pathology , geology , engineering , thermodynamics
Fluoropolymer transparent thin films were deposited on different substrates by one‐step vacuum evaporation method, which exhibit superhydrophobic property with water contact angle (CA) greater than 150°. Polytetrafluoroethylene (PTFE) film with network structure shows high oleophobicity with oil CA of 138°, whereas polytetrafluoroethylene‐perfluoropropylvinylethers (PFA) film with particle structure is superoleophilicity with oil CA near 0°. It is believed that different conformation of CF 2 groups at the surface lead to this different surface activity. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2011