Volume 62, Number 4, May 2003
|Page(s)||607 - 613|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 May 2003|
A simple theory of particle-assisted wetting
Organic and Macromolecular Chemistry, OC III,
University of Ulm 89069 Ulm,
Germany, and BASF Aktiengesellschaft, Polymer Research, Department of Polymer Physics
67056 Ludwigshafen, Germany
Accepted: 11 March 2003
Adsorption of solid particles to a fluid/fluid interface can reduce the total interfacial energy of a system of three fluid bulk phases in such a way that the particles induce the wetting of a fluid/fluid interface by a liquid, which does not wet this interface in the absence of particles. This particle-assisted wetting is most prominent if the contact angles at the fluid/fluid/particle contact lines are close to and if the spreading coefficient of the wetting liquid is negative but close to zero.
PACS: 82.70.Dd – Colloids / 82.45.Mp – Thin layers, films, monolayers / 61.30.Hn – Surface phenomena: alignment, anchoring, anchoring transitions, surface-induced layering, surface-induced ordering, wetting, prewetting transitions, and wetting transitions
© EDP Sciences, 2003
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