Selective Wetting in a Hydrocarbon LiquidPerfluorocarbon
LiquidSolid System

A. V. Pertsov^a, O. A. Soboleva^a, V. G. Nazarov^b, and P. V. Protsenko^a

^a Department of Chemistry, Moscow State University, Vorob’evy gory, Moscow, 119991 Russia

^b Federal State Establishment, 27 Research Center, Ministry of Education of RF,
Brigadirskii per. 13, Moscow, 105005 Russia

Received December 5, 2007

Abstract—Selective (displacement) wetting is, for the first time, investigated in a hydrocarbon liquid–perflu-
orocarbon liquid–fluorinated polyethylene system. Contact angles upon the selective wetting are shown to be
quite sensitive to the presence of fluorocarbon groups on the surface of the polymer, and wetting inversion takes
place when the surface concentration of fluorine is increased above 10^–4 kg/m².

DOI: 10.1134/S1061933X08060124

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