Detergent composition containing suds boosting co-surfactant...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 1/00 (2006.01) C11D 3/00 (2006.01) C11D 3/22 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2690109

A detergent composition having improved sudsing profile comprising 0.2% to 6% by weight of a suds boosting co-surfactant having the formula R-O-(CH2CH2O)n SO3-M+, wherein R is a branched or unbranched alkyl group having 8 to 16 carbon atoms, n is an integer from 0 to 3, M is a cation of alkali metal, alkaline earth metal or ammonium; 0.01% to 5% by weight of a surface active polymer having the properties: (i) the surface tension of a 39 ppm polymer solution in distilled water is from 40 mN/m to 65 mN/m as measured at 250C by a tensiometer; and (ii) the viscosity of a 500 ppm polymer solution in distilled water is from 0.0009 to 0.003 Pa.S as measured at 25°C by a rheometer; and 6% to 15% by weight of a main surfactant system. The total surfactant level in the detergent composition is less than 20% and the phosphate and/or aluminosilicate builder level in the detergent composition is less than 15% by weight.

L'invention porte sur une composition détergente ayant un profil amélioré pour la lessive de savon comprenant 0,2 % à 6 % en poids d'un co-tensioactif stimulant la lessive de savon ayant la formule R-O-(CH2CH2O)nSO3-M+, dans laquelle R est un groupe alkyle ramifié ou non ramifié ayant 8 à 16 atomes de carbone, n est un entier de 0 à 3, M i est un cation de métal alcalin, de métal alcalino-terreux ou d'ammonium ; 0,01 % à 5 % en poids d'un polymère tensio-actif ayant les propriétés suivantes : (i) la tension de surface d'une solution à 39 ppm de polymère dans de l'eau distillée de 40 mN/m à 65 mN/m, telle que mesurée à 25 °C par un tensiomètre ; et (ii) la viscosité d'une solution à 500 ppm de polymère dans de l'eau distillée est de 0,0009 à 0,003 Pa.s telle que mesurée à 25 °C par un rhéomètre ; et 6 % à 15 % en poids d'un système d'agent tensio-actif principal. Le taux d'agents tensio-actifs totaux dans la composition détergente est inférieur à 20 % et le taux d'adjuvant de type phosphate et/ou aluminosilicate dans la composition détergente est inférieur à 15 % en poids.

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