Paste-like detergent formulation comprising branched alkoxylated fatty alcohols as non-ionic surfactants
The invention relates to a hydrous, paste-like cleaning or detergent composition comprising an emulsion having an aqueous phase and an oil phase, the composition comprises based on the whole concentrate 1 to 50 wt-% of one or more alkalinity source, 1 to 60 wt-% of a guerbet alcohol ethoxylate of the formula R 1 —(OC 2 H 4 ) n —OH, wherein R 1 is a branched C 9 to C 20 alkyl group and n is from 2 to 10, 1 to 30 wt-% of a linear alkoxylated fatty alcohol of the formula R 2 —(OC 2 H 4 ) x —(OC 3 H 6 ) y —OH, wherein R 2 is a linear C 10 to C 16 group and n is from 3 to 7 and m is from 3 to 7, 0.01-10 wt-% of one or more crosslinked or partly crosslinked polyacrylic acid or polymethacrylic acid or mixtures thereof, 1-10 wt-% of a thickener system comprising the following components: 1-5 wt-% of a polyacrylate, 0-5 wt-% of a swellable phyllosilicate, 0-2 wt-% of a polyethylene glycol with the provision that the thickener system comprises at least two of these components, and the rest up to 100 wt-% is water.
1. A hydrous, cleaning or detergent composition comprising an emulsion having an aqueous phase and an oil phase, the composition comprising based on the whole composition:
a) 1 to 50 wt-% of one or more alkalinity source;
b) 1 to 60 wt-% of a guerbet alcohol ethoxylate of the formula
R 1 —(OC 2 H 4 ) n —OH,
wherein R 1 is a branched C 8 to C 20 alkyl group and n is from 2 to 10;
c) 1 to 30 wt-% of a linear alkoxylated fatty alcohol of the formula
R 2 —(OC 2 H 4 ) x —(OC 3 H 6 ) y —OH,
wherein R 2 is a linear C 10 to C 16 group and x is from 3 to 7 and y is from 3 to 7;
d) 0.01-10 wt-% of one or more crosslinked or partly crosslinked polyacrylic acid, polymethacrylic acid, and mixtures thereof;
e) 1-10 wt-% of a thickener system comprising at least two of the following components:
1) 1-5 wt-% of a polyacrylate;
2) 0-5 wt-% of a swellable phyllosilicate; and
3) 0-2 wt-% of a polyethylene glycol; and
the rest up to 100 wt-% water wherein the composition has a viscosity range of from 15,000 to 150,000 mPas at 20° C. measured at 5 and/or 50 revolutions per minute on a Brookfield RVT viscosimeter with spindle 7.
2. The composition according to claim 1 , wherein the composition comprises 1-6 wt-% of a thickener system comprising the following components:
1) 1-3 wt-% of a polyacrylate
2) 0.1-3 wt-% of a swellable phyllosilicate; and
3) 0.1-1 wt-% of a polyethylene glycol.
3. The composition according to claim 1 , wherein the polyacrylate is dissolved in a hydrocarbon the phyllosilicate is Bentonit and the polyethylene glycol is a polyethylene glycol with a molecular weight of 6000 g/mol.
4. The composition according to claim 1 , wherein the composition comprises less than 1 wt-% of a linear alcohol ethoxylate of the formula
R 3 —(OC 2 H 4 ) z —OH,
wherein R 3 is a linear C 10 to C 18 alkyl group and z is from 3 to 9.
5. The composition according to claim 1 , wherein the alkalinity source is an alkalihydroxide selected from the group consisting of NaOH, KOH and mixtures thereof.
6. The composition according to claim 1 , wherein the crosslinker for the crosslinked polyacrylic acid or polymethacrylic acid is a polyalkenyl polyether compound.
7. The composition according to claim 1 , wherein the composition does not contain a cationic surfactant.
8. The composition according to claim 1 , wherein the amount of alkyl polyglycoside in the detergent is less than 1 wt-%.
9. The composition according to claim 1 , wherein the amount of fatty acid soap in the detergent is less than 1 wt-%.
10. The composition according to claim 1 , wherein the amount of ethylene diamine tetraacetic acid, nitrilo triacetic acid, and hydroxy ethylene diamine tetraacetic acid in the detergent is less than 1 wt-%.
11. The composition according to claim 1 , wherein the composition is membrane compatible.
12. The composition according to claim 1 , wherein the composition comprises less than 2.5 wt-% of phosphor containing compounds.
13. The composition according to claim 1 , wherein the composition further comprises a complexing agent selecting from the group consisting of iminodisuccinate salt, methyl glycine diacetic acid salt, and mixtures thereof.
14. The composition according to claim 13 , wherein the ratio of the iminodisuccinate salt to methyl glycine diacetic acid salt is from 6 to 1 to 1 to 1.
15. The composition according to claim 1 , wherein the detergent does not contain any bleaching agent.
16. The composition according to claim 1 , wherein the detergent contains 5 to 35 wt-% water.
17. The composition according to claim 1 , wherein the detergent additionally comprises additives selected from the group consisting of builder, pH modifier, antimicrobial agents, abrasives, anti-redeposition agents, sequestrants, softener, conditioner, viscosity modifying agents, wetting modifying agents, enzymes, optical brighteners, and mixtures thereof.
18. The composition according to claim 1 , wherein the guerbet alcohol ethoxylate is a mixture of two different guerbet alcohol ethoxylates of the formula
R 1 —(OC 2 H 4 ) n —OH,
wherein for the first guerbet alcohol ethoxylate R 1 is a branched C 10 to C 18 alkyl group and n is from 5 to 10 and for the second guerbet alcohol R 1 is C 8 to C 12 and n is 2 to 4.
19. The composition of claim 1 , wherein the composition is configured for washing textiles.
20. The composition of claim 19 , wherein the composition can be passed through a membrane filter.
21. The composition according to claim 1 , wherein the composition is configured for use as a detergent in a washing machine selected from the group consisting of institutional washing machines, and household washing machines.