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Université de Fribourg

Entropic, electrostatic, and interfacial regimes in concentrated disordered ionic emulsions

Kim, Ha Seong ; Scheffold, Frank ; Mason, Thomas G.

In: Rheologica Acta, 2016, vol. 55, no. 8, p. 683–697

We develop a free energy model that describes two key thermodynamic properties, the osmotic pressure Π and the linear elastic shear modulus G′p (i.e. plateau storage modulus), of concentrated monodisperse emulsions which have isotropic, disordered, droplet structures, and are stabilized using ionic surfactants. This model effectively incorporates the concept of random close packing or...