Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 1/06 (2006.01) C11D 1/37 (2006.01) C11D 1/66 (2006.01) C11D 1/83 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2060698

A detergent composition contains a combination of two different surfactants, one micellar phase and one lamellar phase, at least one of the surfactants being a glycolipid biosurfactant. Preferred micellar phase biosurfactants are rhamnolipids, sophoroselipids and cellobioselipids, advantageously used in combination with non-glycolipid anionic or nonionic surfactants; while preferred lamellar biosurfactants are trehaloselipids, glucoselipids, and rhamnolipids, advantageously used in combination with micellar biosurfactants. The detergent compositions show enhanced oily soil detergency in fabric washing even when the glycolipid biosurfactants used individually are poor detergents.

Une composition détergente contient une combinaison de deux différents surfactants, une phase micellaire et une phase lamellaire, un des surfactants au moins est un biosurfactant glycolipidique. Les biosurfactants préférés en phase micellaires sont les rhamnolipides, les sophorolipides et les cellobiolipides qui sont utilisés avantageusement en combinaison avec les surfactants nonioniques ou anioniques glycolipidiques; les biosurfactants lamellaires préférés sont les tréhalolipides, les glucolipides et les rhamnolipides qui sont utilisés avantageusement en combinaison avec les biosurfactants micellaires. Les compositions détergentes offrent une détergence améliorée pour la lessive des taches d'huile sur les tissus, même si les biosurfactants glycolipidiques utilisés seuls sont de mauvais détergents.

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