Thickened hand dishwashing detergent comprising an alkoxylated anionic surfactant
A liquid detergent comprising from about 5% to about 20% by weight thereof of a surfactant system wherein the surfactant system comprises an alkoxylated anionic surfactant having and alkoxylation degree of from 0.20 to 1.75 and wherein the detergent at 20° C. has a pouring viscosity of from about 2500 mPa s to about 6000 mPa s and a ratio of medium to high shear viscosity of from about 2 to about 1.
1. A liquid detergent comprising:
a) from about 5% to about 20% by weight thereof of a surfactant system wherein the surfactant system comprises:
i) an alkoxylated anionic surfactant having and alkoxylation degree of from 0.20 to 1.75 and a level of branching from about 5% to about 40%; and
ii) an amine oxide surfactant, wherein the alkoxylated anionic to amine oxide surfactant weight ratio is from about 1:1 to about 8.5:1;
b) a viscosity modifier selected from the group consisting of electrolytes, organic solvents and mixtures thereof;
wherein the detergent is free of an external structurant selected from the group consisting of non-polymeric hydroxyl-containing materials, microfibrillated celluloses, polyacrylates, polysaccharides, polysaccharide derivatives and mixtures thereof, and wherein the detergent at 20° C. has a pouring viscosity of from about 2500 mPa s to about 6000 mPa s and a ratio of medium to high shear viscosity of from about 2 to about 1.
2. A detergent according to claim 1 , wherein the surfactant system comprises at least 50% by weight thereof of alkoxylated anionic surfactant.
3. A detergent according to claim 1 , wherein the alkoxylated anionic surfactant comprises a sulphate surfactant.
4. A detergent according to claim 1 , wherein the alkoxylated anionic surfactant comprises at least 50% by weight thereof of the alkoxylated anionic sulphate surfactant.
5. A detergent according to claim 1 , wherein the alkoxylated anionic surfactant has an alkoxylation degree of from about 0.3 to about 1.60.
6. A detergent according to claim 1 , wherein the surfactant system comprises a non-ionic surfactant.
7. A detergent according to claim 1 having a pouring viscosity of from about 3000 mPa s to about 5000 mPa s.
8. A detergent according to claim 1 having a ratio of low to high shear viscosity of from about 2 to about 1.
9. A detergent according to claim 1 , wherein the electrolyte is sodium chloride.
10. A detergent according to claim 1 , wherein the detergent is a hand dishwashing detergent.
11. A method of washing dishes using a detergent according to claim 1 .
12. A liquid detergent comprising:
a) from about 5% to about 20% by weight thereof of a surfactant system wherein the surfactant system comprises an alkoxylated anionic surfactant having an alkoxylation degree of from 0.20 to 1.75;
b) about 1% to about 7% by weight of ethanol;
c) about 0.25% to about 2% by weight of an electrolyte;
wherein the detergent is free of an external structurant selected from the group consisting of non-polymeric hydroxyl-containing materials, microfibrillated celluloses, polyacrylates, polysaccharides, polysaccharide derivatives and mixtures thereof, and
wherein the detergent at 20° C. has a pouring viscosity of about 4000 mPas and a ratio of medium to high shear viscosity of from about 2 to about 1.