Solubilization of low 2-phenyl alkylbenzene sulfonates

Details Solubilization of low 2-phenyl alkylbenzene sulfonates Solubilization of low 2-phenyl alkylbenzene sulfonates

C - Chemistry, Metallurgy

11

D

C11D 1/83 (2006.01) C11D 1/22 (2006.01) C11D 3/37 (2006.01) C11D 3/43 (2006.01)

Patent

CA 2340402

Methods and compositions relating to solubilization of alkylbenzene sulfonate surfactants in detergent formulations. Addition of one or more polyethylene glycols to detergents including low 2-phenyl linear alkylbenzene sulfonate surfactants may be used to increase solubility of the low 2-phenyl linear alkylbenzene sulfonate surfactants. Increased solubility of the low 2-phenyl linear alkylbenzene sulfonate surfactants serves to lower the cloud point of the detergents, permitting formulation of liquid detergent compositions containing greater concentrations of low 2-phenyl linear alkylbenzene sulfonate surfactants.

L'invention concerne des procédés et compositions se rapportant à la solubilisation de tensioactifs à base de sulfonate d'alkylbenzène, dans des formulations de détergence. Il est possible d'ajouter un ou plusieurs polyéthylèneglycols aux détergents comprenant des tensioactifs à base de sulfonate d'alkylbenzène linéaire à faible teneur en 2-phényle, afin d'augmenter la solubilité de ces tensioactifs. Cette augmentation de la solubilité de tels tensioactifs sert à abaisser le point de trouble des détergents, ce qui permet de formuler des compositions de détergence liquides contenant des teneurs plus élevées en tensioactifs à base de sulfonate d'alkylbenzène linéaire à faible teneur en 2-phényle.

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