Wetting
(Redirected from Wetted)
Wetting is the ability of a liquid to maintain contact with a solid surface, resulting from intermolecular interactions when the two are brought together. The degree of wetting (wettability) is determined by a force balance between adhesive and cohesive forces.
Wetting in Nature[edit | edit source]
Wetting is important in the bonding or adherence of two materials. Wetting and the surface forces that control wetting are also responsible for the shape of liquid droplets on a solid surface, such as rain drops on leaves.
Wetting in Technology[edit | edit source]
In industrial processes, wetting is important in many areas such as painting, printing, cleaning, and in the performance of certain types of chemical reactions. Wetting is also critical in the field of surface science, in regards to microfluidics, nanofluidics, and metallurgy.
Wetting Agents[edit | edit source]
A wetting agent is a surface-active molecule used to reduce the surface tension of water. A wetting agent spreads water on a surface, increasing the ability of water to spread and the ability of a liquid to penetrate into the interior of a solid.
Wetting Phenomena[edit | edit source]
Wetting phenomena are generally classified into different types such as total wetting, partial wetting, and non-wetting based on the contact angle.
See Also[edit | edit source]
References[edit | edit source]
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