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Apr 5, 2017
In a liquid containing a surface active agent, aspherical bubble rising, into a stable macro bubble (big bubble). While these bubblesrise to the air interface, but which is encircled by a layer of surfactantmolecules. On the air interface also has a layer ofsurfactant molecules of the surface film, and therefore, when the bubbles riseto the surface to form a double layer. Double layerthickness of up to several microns, these small surface of the foam is verystable and difficult to eliminate. Bubbles rise to thesurface to form a foam crown increased. As the liquid is discharged from thedouble layer, the microbubbles will be transformed into a stable macro dynamicsbubble, foam and foam crowns double layers were thin, the foam easily burst.