Fabric softening compositions comprising antioxidants for...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 1/66 (2006.01) C11D 3/00 (2006.01) C11D 1/02 (2006.01) C11D 1/38 (2006.01) C11D 1/62 (2006.01)

Patent

CA 2367033

The invention provides a fabric softening composition which has an increased resistance to malodour developement and which comprises: i) a liquid or soft solid derivative of a cyclic polyol (CPE) or of a reduced saccharide (RSE) resulting from 35 to 100 % of the hydroxyl groups in the polyol or saccharide being esterified or etherified, the CPE or RSE having 2 or more ester or ether groups independently attached to a C8-C22 alkyl or alkenyl chain, wherein at least one of the chains attached to the ester or ether groups has at least one unsaturated bond; and ii) a deposition aid; and iii) one or more antioxidant(s), wherein the weight ratio of i) to iii) is 20:1 or greater. The invention also provides a method of reducing malodour in a composition comprising a CPE or RSE as defined above by the addition of at least one antioxidant.

L'invention concerne une composition adoucissante pour tissus offrant une résistance accrue aux mauvaises odeurs et comprenant i) un dérivé liquide ou solide mou d'un polyol cyclique (CPE) ou d'un saccharide réduit (RSE) obtenu à partir de 35 % à 100 % des groupes hydroxy du polyol ou du saccharide en cours d'estérification ou d'étherification, le CPE ou le RSE comportant au moins 2 groupes ester ou éther fixés indépendamment à une chaîne C8-C22 alkyle ou alcényle, l'une des chaînes fixées aux groupes ester ou éther comprenant une liaison non saturée, ii) un agent favorisant le dépôt, et iii) un ou plusieurs antioxydants, le rapport de poids entre i) et iii) étant de 20:1 ou plus. L'invention concerne également un procédé de réduction des mauvaises odeurs, dans une composition contenant un CPE ou un RSE tels que définis ci-dessus, par addition d'au moins un antioxydant.

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