wetting

thumb|alt=Close-up of a drop of water (almost spherical) on blue fabric, with a shadow under it|Water bead on a fabric that has been made non-wetting by chemical treatment.

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Commons category: Wetting

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~32 min read

Article

27 sections

Contents

Explanation
Molecular energetic perspective of hydrophobicity
High-energy vs. low-energy surfaces
Wetting of low-energy surfaces
Ideal solid surfaces
Minimization of energy, three phases
Simplification to planar geometry, Young's relation
Simplification to planar geometry, Young's relation derived from variational computation
Non-ideal smooth surfaces and the Young contact angle
Young–Dupré equation and spreading coefficient
Generalized model for the contact angle of droplets on flat and curved surfaces
Computational prediction of wetting
Non-ideal rough solid surfaces
Wenzel's model
Cassie–Baxter model
Precursor film
Petal effect vs. lotus effect
Cassie–Baxter to Wenzel transition
Spreading dynamics
Modifying wetting properties
Surfactants
Surface changes
Oxygen vacancies
See also
References
Further reading
External links

thumb|alt=Close-up of a drop of water (almost spherical) on blue fabric, with a shadow under it|Water bead on a fabric that has been made non-wetting by chemical treatment.

Wetting is the ability of a liquid to maintain contact with a solid surface by displacing another substance or material – either a gas, or other liquid not miscible with the wetting liquid – due to the differential strength of intermolecular interactions with the surface.