Fabric conditioning composition

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 1/62 (2006.01) C11D 3/30 (2006.01) C11D 3/50 (2006.01) C11D 17/04 (2006.01)

Patent

CA 2618867

An aqueous conditioning composition comprising: (i) a water-insoluble, non- ester, quaternary ammonium fabric conditioning agent having at least 2 alkyl and/or alkenyl groups of at least 12 carbon atoms, or an alkyl or alkenyl group having a chain length of at least 20 carbon atoms. (ii) a water-soluble quaternary ammonium cationic surfactant and (iii) perfume, at least a portion of which is encapsulated. The composition is made by a specific process which comprises adding the encapsulated perfume to water prior to the addition of the water-insoluble quaternary ammonium fabric conditioning agent and adding the water-soluble quaternary ammonium cationic surfactant after the addition of the water-insoluble quaternary ammonium fabric conditioning agent and any free perfume and at a temperature below the phase transition temperature of the composition.

La présente invention concerne une composition d'apprêt aqueuse comprenant: (i) un agent d'apprêt de tissus à ammonium quaternaire, insoluble dans l'eau, qui n'est pas un ester et comprend au moins deux groupes alkyle et/ou alcényle d'au moins 12 atomes de carbone, ou un groupe alkyle ou alcényle ayant une longueur de chaîne d'au moins 20 atomes de carbone; (ii) un tensioactif cationique d'ammonium quaternaire soluble dans l'eau; et (iii) un parfum dont au moins une partie est encapsulée. La composition est préparée au moyen d'un processus spécifique qui comprend l'adjonction du parfum encapsulé à de l'eau avant adjonction de l'agent d'apprêt de tissus à ammonium quaternaire insoluble dans l'eau, et l'adjonction du tensioactif cationique d'ammonium quaternaire soluble dans l'eau, après adjonction de l'agent d'apprêt de tissus à ammonium quaternaire insoluble dans l'eau et de tout parfum libre, à une température inférieure à la température de transition vitreuse de la composition.

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