Volume 96, Number 5, December 2011
|Number of page(s)||4|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||03 November 2011|
Slippery pre-suffused surfaces
Laboratoire de Physique et Mécanique des Milieux Hétérogènes, UMR 7636 du CNRS, ESPCI 75005 Paris, France, EU
Accepted: 12 October 2011
We describe the slippery behaviour of textured solids filled with oil, on which other liquids are found to slip and be removed easily. We describe the criteria for achieving this slippery behaviour, and illustrate the concept by two examples, namely the lotus effect (removal of dust by mobile drops) and the coffee stain effect.
PACS: 68.15.+e – Liquid thin films / 47.55.nb – Capillary and thermocapillary flows / 83.50.Rp – Wall slip and apparent slip
© EPLA, 2011
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