Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/00 (2006.01) C11D 1/72 (2006.01) C11D 3/18 (2006.01) C11D 3/37 (2006.01) C11D 3/43 (2006.01)

Patent

CA 2173136

A detergent composition suitable for washing fabrics is in the form of a stable oil-in-water microemulsion and comprises an organic surfactant system, preferably wholly or predominantly consisting of ethoxylated nonionic surfactant, a non-aqueous solvent, and a water-soluble polymeric detergency builder. Preferably the surfactant system comprises an ethoxylated nonionic surfactant having an average alkyl chain length of less than C12. The composition can be used both for pre-wash treatment and as a main wash detergent.

Cette composition détergente conçue pour le lavage des tissus se présente sous la forme d'une microémulsion stable d'huile dans l'eau comprenant un système tensioactif organique, lequel consiste totalement ou en majeure partie en un tensioactif non ionique éthoxylé, en un solvant non aqueux ainsi qu'en un adjuvant de détergence polymère soluble dans l'eau. De préférence, ce système de tensioactif comprend un tensioactif non ionique éthoxylé possédant une longueur moyenne de chaîne alcoyle inférieure à C¿12?. On peut utiliser cette composition à la fois pour le traitement de prélavage et en tant que détergent principal de lavage.

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