Dryer-activated fabric conditioning compositions with...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 1/835 (2006.01) C11D 3/00 (2006.01) C11D 17/04 (2006.01) C11D 1/62 (2006.01) C11D 1/66 (2006.01)

Patent

CA 2234624

Dryer-activated fabric softening compositions and articles having improved stability, for use in an automatic clothes dryer consisting essentially of: (A) from about 30 % to about 75 % of a diester quaternary ammonium (DEQA) compound having the formula: [CH2CH2OH] [CH3]+N[CH2CH2OC(O)R]2X-, wherein R is a long chain, saturated and/or unsaturated, C8-C30 hydrocarbyl, or substituted hydrocarbyl substituent and mixtures thereof, and the counterion, X-, can be any softener- compatible anion; and, (B) nonionic softener at a level of from about 15 % to about 50 %, where the nonionic softener is fatty acid partial ester of sorbitan; and wherein the ratio of component (A) to component (B) is from about 3:1 to about 1:1.

La présente invention concerne des compositions et des articles adoucissant pour tissus, lesquels sont activées par le séchoir, sont destinés à être utilisés dans les sèche-linge automatiques et sont sensiblement constitués: (A) d'environ 30 % à environ 75 % d'un composé diester ammonium quaternaire (DEQA) représenté par la formule [CH2CH2OH] [CH3] +N[CH2CH2OC(O)R]2X<-> dans laquelle R est une chaîne longue saturée et/ou insaturé, hydrocarbyle C8-C30, ou un substituant d'hydrocarbyle substitué et des mélanges de ces produits, le contre-ion, X<->, pouvant être tout anion compatible avec l'adoucissant; et, (B) un adoucissant non ionique à un niveau allant d'environ 15 % jusqu'à environ 50 %, l'adoucissant non ionique étant un acide gras sous forme d'ester partiel de sorbitanne. Le rapport entre le composant (A) et le composant (B) se situe entre environ 3:1 et environ 1:1.

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