Emulsion manufacturing process
AssigneeCentre National de la Recherche Scientifique (CNRS)
InventorsJerome Michel Bibette, Thomas Mason
Life of this patent
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Abstract
The invention concerns a process for preparing a secondary emulsion consisting of droplets of a phase A, dispersed in a phase B, A being immiscible in B, starting with a polydispersed primary emulsion of identical formulation and consisting of droplets of the said phase A dispersed in the said phase B, the droplets of the secondary emulsion having a diameter in all cases which is less than the diameter of the droplets of the primary emulsion, characterized in that the starting primary emulsion is viscoelastic and in that the said starting primary emulsion is subjected to a controlled shear such that the same maximum shear is applied to the entire emulsion.
Claims24
Process for preparing a secondary emulsion consisting of droplets of a phase A, dispersed in a phase B, A being immiscible in B, starting with a polydispersed primary emulsion of identical formulation and consisting of droplets of the phase A dispersed in the phase B, the droplets of the secondary emulsion having a diameter in all cases which is less than the diameter of the droplets of the primary emulsion, wherein the starting primary emulsion is viscoelastic and in that the starting primary emulsion is subjected to a controlled shear such that the same maximum shear is applied to the entire emulsion.
Dependencies are inferred from the claim text.