B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 3/08 (2006.01) B01F 3/12 (2006.01) B01J 13/06 (2006.01) C08F 220/06 (2006.01) C08F 220/18 (2006.01) C08F 220/28 (2006.01)
Patent
CA 2709346
The invention relates to a method for producing an aqueous formulation containing at least one oil, that comprises the steps of mixing at least one associative polymer, oil and water, encapsulating the oil by raising the pH to a value higher than 8, optionally precipitating the mixture by lowering the pH to a value lower than 6, and optionally isolating the particles thus obtained by water removal. The invention also relates to aqueous formulations and aqueous dispersions as well as to the solid particles thus obtained.
L'invention consiste en un procédé de fabrication d'une formulation aqueuse contenant au moins une huile, et comprenant les étapes de mélanger au moins un polymère associatif, une huile et de l'eau, encapsulation de l'huile par augmentation du pH à une valeur supérieure à 8, éventuellement précipitation du mélange par diminution du pH à une valeur inférieure à 6, et éventuellement isolation des particules obtenues par élimination de l'eau. Les formulations aqueuses, de même que les dispersions aqueuses, et les particules solides résultantes constituent d'autres objets de l'invention.
Guerret Olivier
Moro Jean
Platel David
Suau Jean-Marc
Coatex S.a.s.
Robic
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