Fabric softener compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/37 (2006.01) C11D 3/00 (2006.01) C11D 3/20 (2006.01) C11D 3/30 (2006.01) C11D 3/33 (2006.01) C11D 3/36 (2006.01)

Patent

CA 2250909

There is provided a liquid fabric softening composition exhibiting excellent viscosity and phase stability as well as softness performance and comprising: a) from 0.01 % to 10 % by weight of a fabric softener component; b) at least 0.001 % of a thickening agent selected from the group consisting of: i) associative polymers having a hydrophilic backbone and at least two hydrophobic groups per molecule attached to the hydrophilic backbone; ii) cross-linked cationic polymers that are derivable from a water-soluble cationic ethylenically unsaturated monomer or blend of monomers which is cross- linked by 5 to 45 ppm of a cross-linking agent comprising polyethylenic functions; and iii) mixtures thereof; c) a component capable of sequestering metal ions and selected from the group consisting of: i) chelating components selected from the group consisting of amino carboxylic acid, organo aminophosphonic acid components, and mixtures thereof; ii) polycarboxylic building components, other than those defined under i) as chelating components, comprising at least two carboxylic radicals separated from each other by not more than two carbon atoms; and iii) mixtures thereof.

L'invention concerne une composition liquide d'assouplissement de tissu présentant une viscosité et une stabilité de phase excellentes ainsi que de bonnes caractéristiques de souplesse et comprenant: a) 0,01 % à 10 % en poids d'un constituant d'assouplisseur de tissu, b) au moins 0,001 % d'un agent épaississant choisi dans le groupe comprenant: i) des polymères associatifs présentant un squelette hydrophile et au moins deux groupes hydrophobes par molécule fixés au squelette hydrophile, ii) des polymères cationiques réticulés pouvant être dérivés d'un monomère cationique hydrosoluble à insaturation éthylénique ou d'un mélange de monomères réticulés par 5 à 45 ppm d'un agent réticulant présentant des fonctions polyéthyléniques et iii) leur mélange, c) un constituant capable de séquestrer des ions métal et choisi dans le groupe comprenant: i) des constituants chélatants choisis dans le groupe contenant un aminoacide carboxylique, des constituants d'acide organoaminophosphonique et des mélanges de ceux-ci, ii) des constituants adjuvants polycarboxylique, autres que ceux définis en i) en tant que constituants chélatants, comprenant au moins deux radicaux carboxyliques séparés l'un de l'autre par au plus deux atomes de carbone, et, iii) leurs mélanges.

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