Disjoining pressure

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Elasticity of Compressed Emulsions

Mason et al. demonstrate the evolution of emulsion elasticity as a function of droplet volume fraction under shear loading. By measuring G' and G" as function of droplet volume fraction, droplet size, and frequency of oscillation and standardizing the elastic response by Laplace pressure and disjoining pressure, the effect of emulsion packing on elastic parameters is isolated. A model relating G' to the effective droplet volume fraction, droplet size, and disjoining pressure is developed for compressed emulsions above the critical droplet packing density.

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