Washing agent preparation with improved optical and rheological properties

1. An opacified flowable washing agent preparation containing, based on the total weight thereof,

i) 20 to 80 wt. % surfactant consisting of anionic surfactant and non-ionic surfactant;

ii) 2 to 15 wt. % fatty acid;

iii) 5 to 25 wt. % organic solvent;

iv) 0.4 to 6 wt. % of a salt of a divalent cation;

v) less than 20 wt. % water;

vi) 0.5 to 4 wt. % of a salt of a monovalent metal cation; and

vii) 0.3 to 5 wt. % of a co-surfactant that differs from the non-ionic surfactant and is selected from the group consisting of aliphatic C 6 -C 14 alcohols, aromatic C 6 -C 14 alcohols, aliphatic C 6 -C 12 dialcohols, monoglycerides of C 12 -C 18 fatty acids, monoglycerol ethers of C 8 -C 18 fatty alcohols, and mixtures thereof;

wherein the flowable washing agent preparation has a turbidity above 60 NTU and is free from enzymes.

2. The flowable washing agent preparation according to claim 1 , containing, based on the total weight thereof, 30 to 75 wt. % of the surfactant consisting of anionic surfactant and non-ionic surfactant.

3. The flowable washing agent preparation according to claim 2 , containing, based on the total weight thereof, 40 to 70 wt. % of the surfactant consisting of anionic surfactant and non-ionic surfactant.

4. The flowable washing agent preparation according to claim 1 , containing, based on the total weight thereof, 20 to 60 wt. % of the anionic surfactant.

5. The flowable washing agent preparation according to claim 4 , containing, based on the total weight thereof, 25 to 50 wt. % of the anionic surfactant.

6. The flowable washing agent preparation according to claim 1 , wherein the salt of a divalent cation is selected from the group of magnesium and calcium salts.

7. The flowable washing agent preparation according to claim 6 , wherein the salt of a divalent cation is selected from the group of magnesium chloride, magnesium sulfate, calcium chloride and calcium sulfate.

8. The flowable washing agent preparation according to claim 6 , wherein the salt of a divalent cation is selected from the group of magnesium chloride and calcium chloride.

9. The flowable washing agent preparation according to claim 1 , containing, based on the total weight thereof, 7 to 20 wt. % of the organic solvent.

10. The flowable washing agent preparation according to claim 9 , containing, based on the total weight thereof, 10 to 18 wt. % of the organic solvent.

11. The flowable washing agent preparation according to claim 1 , containing, based on the total weight thereof, less than 15 wt. % of the water.

12. The flowable washing agent preparation according to claim 11 , containing, based on the total weight thereof, less than 12 wt. % of water.

13. The flowable washing agent preparation according to claim 1 , containing, based on the total weight thereof,

i) 32.3 to 80 wt. % of the surfactant, wherein the anionic surfactant is present in an amount from 20 to 50 wt. % and the nonionic surfactant is present in an amount from 12 to 30 wt. %;

ii) 4 to 12 wt. % of the fatty acid;

iii) 0.5 to 4 wt. % of the salt of a divalent cation; and

iv) 8 to 35 wt. % solvent.

14. A washing agent portion unit comprising

a) at least one first receiving chamber,

b) at least one water-soluble film surrounding this first receiving chamber, and

c) at least one flowable washing agent preparation according to claim 1 located in the first receiving chamber.

15. A method for cleaning textiles, in which a washing agent portion unit according to claim 14 is introduced into the washing liquor of a textile washing machine.

16. A method for cleaning textiles, in which a flowable washing agent preparation according to claim 1 is introduced into the washing liquor of a textile washing machine.

17. An opacified flowable washing agent preparation containing, based on the total weight thereof,

20 to 50 wt. % anionic surfactant;

12 to 30 wt. % non-ionic surfactant;

0.3 to 5 wt. % at least one surfactant that differs from the non-ionic surfactant and is selected from the group consisting of aliphatic C 6 -C 14 alcohols, aromatic C 6 -C 14 alcohols, aliphatic C 6 -C 12 dialcohols, monoglycerides of C 12 -C 18 fatty acids, monoglycerol ethers of C 8 -C 18 fatty alcohols and mixtures thereof;

2 to 15 wt. % fatty acid;

5 to 25 wt. % organic solvent;

0.5 to 4 wt. % of a salt of a divalent cation;

0.5 to 4 wt. % of a salt of a monovalent metal cation; and

less than 20 wt. % water;

wherein the flowable washing agent preparation is free of amphoteric surfactant.

18. The flowable washing agent preparation according to claim 17 , wherein the salt of a divalent cation is selected from the group of magnesium chloride, magnesium sulfate, calcium chloride and calcium sulfate.