B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
117/46.6
B01J 2/04 (2006.01)
Patent
CA 2232367
Water-redispersible granules including at least one active material in the form of a hydrophobic liquid, at least one ionic surfactant selected from at least partially salified alkylsulphonic acids, alkylarylsulphonic acids or mixtures thereof, and at least one water-soluble compound selected from sugars and derivatives thereof, are disclosed. A method for preparing such granules by preparing an aqueous emulsion of at least one active material, at least one ionic surfactant and at least one water-soluble compound, and drying the resulting emulsion, is also disclosed.
La présente invention a pour objet des granulés redispersables dans l'eau comprenant: au moins une matière active sous forme de liquide hydrophobe; au moins un tensio-actif ionique choisi parmi les acides alkylsulfoniques, les alkylarylsulfoniques, partiellement ou totalement salifiés, ou leurs mélanges: au moins un composé hydrosoluble choisi parmi les sucres et leurs dérivés. L'invention a de même pour objet un procédé de préparation de tels granulés consistant à mettre en oeuvre les étapes suivantes: on prépare une émulsion dans l'eau d'au moins une matière active, d'au moins un tensio-actif ionique, d'au moins un composé hydrosoluble, on sèche l'émulsion ainsi obtenue.
Guerin Gilles
Morvan Mikel
Rhodia Chimie
Robic
LandOfFree
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