BIOSURFACTANT-CONTAINING FORMULATION
The present invention further relates to a biosurfactant-containing formulation including A) at least one biosurfactant, and B) at least one additional surfactant selected from the group of betaines, alkoxylated fatty alcohol sulphates and alkylamine oxides, wherein the biosurfactant-containing formulation may be used on hard surfaces.
1 . A formulation comprising
A) at least one biosurfactant,
B) at least one additional surfactant selected from the group of betaines, alkoxylated fatty alcohol sulphates and alkylamine oxides.
2 . The formulation according to claim 1 , wherein component A) is selected from the group of rhamnolipids and sophorolipids, particularly sophorolipids.
3 . The formulation according to claim 1 wherein component B) is selected from the group of alkylbetaines, alkylamidobetaines, imidazolinium betaines, sulphobetaines and phosphobetaines.
4 . The formulation according to claim 1 , wherein said formulation further comprises
C) at least one fatty acid.
5 . The formulation according to claim 4 , wherein the weight ratio of sophorolipid in the lactone form to component C), in particular oleic acid, is from 50:1 to 80:1.
6 . The formulation according to claim 1 , wherein component B) is selected from the group of cocamidopropylbetaine, lauryl ether sulphates ethoxylated with 1 to 4 EO, cocamidopropylamine oxide and cocamine oxide.
7 . The formulation according to claim 1 , wherein
component A) comprises a sophorolipid and
component B) comprises cocamidopropylbetaine and lauryl ether sulphate ethoxylated with 1 to 4 EO.
8 . The formulation according to claim 1 , wherein component A) is present at a concentration of from 0.01% by weight to 95% by weight wherein the percentages by weight relate to the total formulation.
9 . The formulation according to claim 1 , wherein component B) is present at a concentration of from 0.01% by weight to 95% by weight wherein the percentages by weight relate to the total formulation.
10 . The formulation according to claim 1 , wherein the weight ratio of component A) to component B) in the formulation according to the invention is from 5:95 to 95:5.
11 . The formulation according to claim 1 , wherein component A) and component B) are present in total at a concentration of from 0.01% by weight to 90% by weight wherein the percentages by weight relate to the total formulation.
12 . A foam stabilization comprising a formulation according to claim 1 .
13 . A method of removing fat- and/or oil-containing stains from hard surfaces, the method comprising applying the formulation according to claim 1 onto the hard surfaces.
14 . A method of improving run-off behavior of water on hard surfaces, the method comprising applying the formulation according to claim 1 onto the hard surfaces.
15 . A method of improving drying behavior of water on hard surfaces, the method comprising applying the formulation according to claim 1 onto the hard surfaces.
16 . The formulation according to claim 1 , wherein component A) is present at a concentration of from 0.1% by weight to 40% by weight, wherein the percentages by weight relate to the total formulation.
17 . The formulation according to claim 1 , wherein component B) is present at a concentration of from 0.1% by weight to 50% by weight, wherein the percentages by weight relate to the total formulation.
18 . The formulation according to claim 1 , wherein the weight ratio of component A) to component B) in the formulation according to the invention is from 15:85 to 75:25.
19 . The formulation according to claim 1 , wherein component A) and component B) are present in total at a concentration of from 0.1% by weight to 75% by weight, wherein the percentages by weight relate to the total formulation.
20 . The formulation according to claim 2 , wherein component B) is selected from the group of alkylbetaines, alkylamidobetaines, imidazolinium betaines, sulphobetaines and phosphobetaines.