Low ph structured surfactant compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 17/00 (2006.01) A61K 8/00 (2006.01)

Patent

CA 2577460

An aqueous, low pH structured surfactant composition, contains, based on 100 parts by weight of the composition, from about 3 parts by weight to about 40 parts by weight of one or more anionic surfactants selected from anionic phosphate ester surfactants, anionic sulfonate surfactants, and anionic carboxylate surfactants, wherein the composition exhibits a pH of less than about 5, exhibits shear-thinning viscosity, and is capable of suspending water insoluble or partially water soluble components.

L'invention concerne une composition tensioactive structurée à pH faible, aqueuse. Ladite composition contient, sur la base de 100 parties en poids, entre environ 3 et environ 40 parties en poids d'un ou de plusieurs tensioactifs anioniques sélectionnés parmi des tensioactifs anioniques à base d'ester de phosphate, des tensioactifs anioniques à base de sulfonate, et des tensioactifs anioniques à base de carboxylate. Ladite composition présente un pH inférieur à environ 5, une viscosité à fluidification par cisaillement, et peut mettre en suspension des composants insolubles dans l'eau ou partiellement solubles dans l'eau.

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