Fabric softening laundry detergents with good stability

Details Fabric softening laundry detergents with good stability Fabric softening laundry detergents with good stability

C - Chemistry, Metallurgy

11

D

C11D 10/04 (2006.01) C11D 3/22 (2006.01) C11D 3/34 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2720968

An aqueous laundry detergent composition in the form of a liquid or gel, having a pH of from 6 to 11 in a 1% water solution and containing a non-soap anionic surfactant; soap; nonionic surfactant; fabric softening cationic cosurfactant having a molecular weight of less than 1000; fabric softening quaternized polymer having a molecular weight of at least 100,000; non-quatemized, non polyamine thickener; perfume microcapsules; wherein at least one of the following is true; i) the ratio by weight of nonionic surfactant to anionic surfactant is greater than 1 and the total percentage, by, weight of the composition, of the total of anionic surfactant, nonionic surfactant and soap is from 10% to 30%; and/or ii) the aqueous laundry detergent composition further comprises from 0.5% to 5% of a hydrotrope is described. Methods of laundering with such compositions are described.

Linvention concerne une composition aqueuse de détergent à lessive qui se présente sous forme de liquide ou de gel, de pH compris entre 6 et 11, dans une solution aqueuse à 1% contenant un tensioactif anionique sans savon, un savon, un tensioactif non ionique, un cotensioactif cationique d'assouplissement de tissus de poids moléculaire inférieur à 1000, un polymère quaternisé d'assouplissement de tissus de poids moléculaire d'au moins 100.000, un épaississant non quaternisé sans polyamine, des microcapsules de parfum. Dans ladite composition, au moins une des conditions suivantes est remplie: i) le rapport en poids du tensioactif non ionique au tensioactif anionique est supérieur à 1, et le pourcentage total du tensioactif anionique, du tensioactif non ionique et du savon, par rapport au poids de la composition, est compris entre 10 et 30%; ii) et/ou la composition aqueuse de détergent à lessive comprend en outre entre 0,5 et 5% d'un hydrotrope. L'invention concerne en outre des méthodes d'utilisation de ces compositions pour faire la lessive.

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