Wetting and surface forces

  • Boinovich L
  • Emelyanenko A
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Abstract

In this review we discuss the fundamental role of surface forces, with a particular emphasis on the effect of the disjoining pressure, in establishing the wetting regime in the three phase systems with both plane and curved geometry. The special attention is given to the conditions of the formation of wetting/adsorption liquid films on the surface of poorly wetted substrate and the possibility of their thermodynamic equilibrium with bulk liquid. The calculations of contact angles on the basis of the isotherms of disjoining pressure and the difference in wettability of flat and highly curved surfaces are discussed. Mechanisms of wetting hysteresis, related to the action of surface forces, are considered. © 2011 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Adsorption films
  • Contact angles
  • Disjoining pressure
  • Hysteresis
  • Liquid films
  • Surface forces
  • Wetting films

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