Wetting studies of surfactant solutions in liquid environment on superhydrophobic surfaces (Abstract/Poster in atti di convegno)

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Label
  • Wetting studies of surfactant solutions in liquid environment on superhydrophobic surfaces (Abstract/Poster in atti di convegno) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Ferrari M.; Liggieri L.; Ravera F.; Santini E. (2010)
    Wetting studies of surfactant solutions in liquid environment on superhydrophobic surfaces
    in COST Action D43, Spring Meeting 2010, Genova, Italy
    (literal)
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  • Ferrari M.; Liggieri L.; Ravera F.; Santini E. (literal)
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  • In: COST D43 - COST Action D43, Spring Meeting 2010 (Genova, Italy, 16-18 March 2010). Abstract, pp. 72 - 72. CNR_IENI, 2010. (literal)
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  • Superhydrophobic (SH) or ultrahydrophobic surfaces have raised great interest in both fundamental and applied research fields and in commercial devices or materials. Low energy surfaces that exhibit water-contact angles (CA) greater than 150° with low hysteresis ( 5°), due to the small area shown when in contact with water, strongly reduce interactions with aqueous environment inhibiting adhesion phenomena and enhancing liquid drainage. In this work the effect of surfactant solutions on the wetting in air-water and oil-water systems on SH surfaces has been studied. The nature of the amphiphilic molecules and the solid substrate topography have been found to play important roles in influencing the surface properties. The solubility of the surfactants in the oil phase show a strong influence of the partition coefficient on the wetting behaviour in liquid-liquid environment. Preliminary results related to foam and emulsions stability in presence of high water repellent coatings are shown. [1]?M.Ferrari, \"Surfactants adsorption at hydrophobic and superhydrophobic solid surfaces\" in Contact angle, Wettability and Adhesion 2008 Ed.K.Mittal-Brill VSP (The Netherlands) in press. [2]?M.Ferrari, F.Ravera, S.Rao, L. Liggieri, Applied Physics Letters, 2006 vol. 89 (13)0-53104-1-0-53104-3. [3]?M.Ferrari, F.Ravera, L.Liggieri, Applied Physics Letters, 2006 vol. 88 (20) 203125-1-203125-3 [4]?J. Bico, C. Marzolin, D. Quere´, Europhyics. Letters, 47 (1999) 220. (literal)
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  • CNR-IENI, Genova (literal)
Titolo
  • Wetting studies of surfactant solutions in liquid environment on superhydrophobic surfaces (literal)
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