COMPOSITON

Abstract

An aqueous laundry liquid detergent comprising linear alkyl benzene sulphonate (LAS), alkyl ether sulphate surfactant and alkyl ethoxylate surfactant, wherein at least 10% wt. of the alkyl ether sulphate surfactant is C16 or C18 alkyl, and wherein at least 10% wt. of the alkyl ethoxylate surfactant is C16 or C18 alkyl.

Claims

1. An liquid laundry detergent composition comprising C16 and C18 alkyl ether sulphate surfactant wherein the C18 alkyl ether sulphate surfactant comprises monounsaturated C18 and wherein the proportion of monounsaturated C18 constitutes at least 50% wt. of the total C16 and C18 alkyl ether sulphate surfactant and wherein the C16 alkyl ether sulphate surfactant comprises at least 4% of the total C16 and C18 alkyl ether sulphate surfactant.

2. Composition according to claim 1 wherein the total level of alkyl ether sulphate is from 1 to 30% wt. of the composition.

3. Composition according to claim 1 comprising a non-ionic surfactant.

4. Composition according to claim 3 wherein the non-ionic surfactant comprises C16/18 alcohol ethoxylate.

5. Composition according to claim 3 wherein the non-ionic surfactant is present at from 1 to 30% wt. of the composition.

6. Composition according to claim 1 comprising 0.1 to 10 wt. % of the composition cleaning polymer selected from alkoxylate polyethylene imines, polyester soil release polymers, co-polymer of PEG/vinyl acetate, and mixtures thereof.

7. Composition according to claim 1 comprising enzyme.

8. Composition according to claim 1 comprises sequestrant.

9. Composition according to claim 1 comprising benzoate salt.

10. Composition according to claim 1 comprising from 0 to 5% wt. fatty acid.

11. Composition according to claim 1 having a viscosity of from 100 to 300 mPa.Math.s.

12. Composition according to claim 1 wherein the C16/18 alkyl ether sulphate has an average of from 3 to 20 EO groups, preferably from 5 to 10.

13. Composition according to claim 3 wherein the non-ionic surfactant comprises C16/18 alcohol ethoxylate having an average of from 4 to 20 EO groups, preferably from 8 to 12.

14. A method, preferably a domestic method, of treating a textile, the method comprising the step of: treating a textile with an aqueous solution of 0.5 to 20 g/L of the detergent composition, preferably a laundry liquid detergent composition, of any one of claims 2 to 13, preferably wherein the aqueous solution contains 0.1 to 1.0 g/L of the surfactants and optionally drying the textile; preferably wherein the domestic method takes place in the home using domestic appliances, wherein the method occurs at wash water temperatures of 280 to 335K.

Description

EXAMPLES

[0221] Aqueous laundry liquid detergents formulated with C18AES is described below. Components are described with reference to wt. %.

TABLE-US-00001 comparative inventive LAS acid 4.6 4.6 C18AE 3.4 3.4 LES(3EO) 3.4 C18AES 3.4 NaCl 1.5 1.6 NaOH 0.6 0.6 Ethoxylate polyethylene imine polymer 2 2 Polyester soil release polymer 0.4 0.4 Sequesterant (Dequest 2066) 0.6 0.6 Preservative 0.5 0.5 Preservative 1.5 1.5 Enzymes (cellulase, protease, amylase) 0.9 0.9 Fluorescer 0.1 0.1 Fragrance 0.6 0.6 pH 6.3 6.3 Measured viscosity (21 Hz) 143 cP 262 cP

[0222] C18AE is Genapol 0-100 (ex Clariant) an oleyl based alcohol ethoxylate with an average of 10 moles of ethoxylation and provides the appropriate alyl chain for the alkyl ether sulphate also.

[0223] LES(3EO) is lauryl ether sulfate with an average of 3 moles of ethoxylation.

[0224] C18AES is an oleyl based ether sulfate with an average of 6 moles of ethoxylation.

[0225] Fluorescer is Tinopal CBS-X is 4,4-Distyryl biphenyl derivative ex BASF.

[0226] Enzyme weight refer to the fully formulation enzyme products received from the supplier (Celluclean?, Evity? (savinase), Medley? Novozymes?).