C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/00 (2006.01) C11D 1/62 (2006.01) C11D 1/835 (2006.01) C11D 3/20 (2006.01) C11D 11/00 (2006.01) D06M 13/46 (2006.01) C11D 1/66 (2006.01)
Patent
CA 2408070
Fabric softening compositions with 1-10 % by weight of cationic fabric softening compound show a surprising increase in viscosity when a fatty acid partial ester of a polyhydric alcohol at a level greater than 0.01 % by weight and less than or equal to 0.45 % by weight based on the composition is added and if the resulting mixture is sheared at a temperature below the phase transition temperature of the fabric softener composition. As a result, viscosities in the range 35-500 mPa.s at 106 s-1 can be obtained in a surprising manner.
L'invention concerne des compositions adoucissantes comprenant de 1 à 10 % en poids d'un composé adoucissant cationique et présentant une viscosité étonnamment plus élevée lorsqu'on ajoute un ester partiel d'acide gras d'un alcool polyhydrique à un niveau supérieur à 0,01 % en poids et inférieur ou égal à 0,45 % en poids de la composition, et si le mélange obtenu est cisaillé à une température inférieure à la température de transition de phase de la composition adoucissante. On peut ainsi obtenir de façon étonnante des viscosités allant de 35 à 500 mPa.s à 106 s<-1>.
Ellson Karen Jane
Mohammadi Mansur Sultan
Gowling Lafleur Henderson Llp
Plc Unilever
The Sun Products Corporation
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