EP1899448A1

EP1899448A1 - Viscosity adjustment in detergents for washing-up by hand

Info

Publication number: EP1899448A1
Application number: EP06754577A
Authority: EP
Inventors: Detlef Buisker; Heinz-Dieter Soldanski
Original assignee: Henkel AG and Co KGaA
Current assignee: Henkel AG and Co KGaA
Priority date: 2005-07-01
Filing date: 2006-06-27
Publication date: 2008-03-19
Also published as: DE102005031193A1; WO2007003302A1

Abstract

The invention relates to an aqueous detergent that contains a) at least one alkyl ether sulphate, b) at least one secondary alkyl sulphonate and c) at least one betaine and which, in order to reduce viscosity, may contain one or more water-soluble salts and can be used to clean hard surfaces, in particular kitchenware. The invention also relates to a method for reducing the viscosity of detergents for hard surfaces that contain high concentrations of surfactants, in particular high concentrations of alkyl ether sulphates and which contain a surfactant combination of alkyl ether sulphate, secondary alkyl sulphonate and betaine, in which a water-soluble salt can be used to reduce viscosity.

Description

"Viscosity adjustment for hand dishwashing detergents"

The invention relates to an aqueous cleaning agent for hard surfaces, in particular a hand dishwashing detergent, comprising a surfactant combination comprising a) at least one alkyl ether sulfate, b) at least one secondary alkanesulfonate and c) at least one betaine, which further contains one or more water-soluble salts for lowering the viscosity, the use of salts to reduce the viscosity of high-surfactant detergents, a process for reducing the viscosity of high-surfactant detergents, and the use of an agent comprising a surfactant combination of alkyl ether sulfate, sec. Alkanesulfonate and betaine and one or more water-soluble salts for cleaning hard surfaces, especially dishes.

For cleaning hard surfaces and in particular for the manual cleaning of dishes have aqueous cleaning agents with a surfactant combination of alkyl ether sulfate, sec. Alkanesulfonate and betaine particularly proven, since they have a particularly good drying and drainage behavior. In particular, concentrates with a high surfactant content have proven to be effective, especially those which have a high content of alkyl ether sulfate. However, when the surfactant content increases, so does the viscosity of the detergents. In order to counteract this undesirable effect, various substances have been added to surfactant-containing agents in the past, for example organic solvents or else hydrotropes such as sodium xylene or cumene sulphonate. With the addition of these substances, however, on the one hand increased costs associated, on the other hand, these agents can contribute to wastewater pollution. It has therefore been desirable to find a cheaper and more environmentally friendly way of reducing viscosity.

The object of the present invention was to provide an aqueous surface-active cleaning agent for hard surfaces with good drying and drainage behavior, whose viscosity can be adjusted without the use of large amounts of solvents or hydrotropes.

Surprisingly, it has now been found that the addition of one or more water-soluble salts can lead to a decrease in the viscosity. The invention accordingly provides an aqueous cleaning agent for hard surfaces, in particular a hand dishwashing detergent, comprising a surfactant combination comprising at least one alkyl ether sulfate, at least one secondary alkanesulfonate and at least one betaine and one or more water-soluble salts for lowering the viscosity.

A second subject of the invention is the use of a water-soluble salt for setting a lower viscosity in hard surface cleaners which contain a surfactant combination of alkyl ether sulfate, secondary alkanesulfonate and betaine and have a high surfactant concentration, in particular a high alkyl ether sulfate concentration.

A third subject of the invention is a process for reducing the viscosity of high-surfactant, especially high alkylethersulfathaltiger hard surface cleaner with a surfactant combination of alkyl ether sulfate, secondary alkanesulfonate and betaine, in which the agent one or more water-soluble salts are added.

The composition according to the invention can be used for cleaning hard surfaces and in particular for manual dishwashing. Here, the betaine and especially the alkyl ether sulfate contributes primarily to the cleaning effect, while the alkylsulfonate in particular has a positive influence on the drying or flow behavior, i. in particular increases the drying rate and reduces the formation of residues; the water-soluble salt eventually causes the viscosity to be adjusted. A fourth subject of the invention is therefore the use of an agent according to the invention for cleaning hard surfaces, in particular crockery.

In the context of the present invention are fatty acids or fatty alcohols or their derivatives - unless otherwise stated - representative of branched or unbranched carboxylic acids or alcohols or their derivatives having preferably 6 to 22 carbon atoms. The former are particularly preferred for their vegetable base as based on renewable raw materials for environmental reasons, but without limiting the teaching of the invention to them. In particular, the oxo alcohols or their derivatives which are obtainable, for example, by the ROELEN's oxo synthesis can also be used correspondingly.

Whenever in the following alkaline earth metals are mentioned as counter ions for monovalent anions, this means that the alkaline earth metal, of course, only in the half - sufficient for charge balance - amount of substance as the anion is present. Substances which also serve as ingredients of cosmetic products are hereinafter referred to as appropriate according to the International Nomenclature Cosmetic Ingredient (INCI) nomenclature. Chemical compounds carry an INCI name in English, plant ingredients are listed only after Linne in Latin. So-called trivial names such as "water", "honey" or "sea salt" are also given in Latin. The INCI names are listed in the "International Cosmetic Ingredient Dictionary and Handbook, Seventh Edition (1997)", by The Cosmetic, Toiletry and Fragrance Association (CTFA), 1101 17 ^th Street NW, Suite 300, Washington, DC 20036 , USA, and contains more than 9,000 INCI names, as well as references to more than 37,000 trade names and technical names, including distributors from over 31 countries. The International Cosmetic Ingredient Dictionary and Handbook assigns to the ingredients one or more chemical classes, such as "polymer ethers", and one or more functions, such as "surfactants -cleaning agents", which in turn further explain it , These may also be referred to below.

The indication CAS means that the following sequence of numbers is a name of the Chemical Abstracts Service.

Unless otherwise stated, amounts given are percentages by weight (% by weight) of the total composition. These percentages refer to active contents.

surfactants

The agent of the invention contains surfactants in a total amount of usually

12 to 70 wt .-%, preferably 19 to 55 wt .-%, in particular 23 to 46 wt .-%.

In addition to alkyl ether sulfates, alkyl sulfonates and betaines, the composition according to the invention, in particular for improving cleaning action, flow behavior and / or drying behavior, may additionally contain one or more further anionic surfactants, amphoteric surfactants, nonionic surfactants and / or cationic surfactants.

The alkyl ether sulfates and alkyl sulfonates and the other anionic surfactants are usually used as alkali metal, alkaline earth metal and / or mono-, di- or trialkanol- ammonium salt and / or in the form of their corresponding with the corresponding alkali metal hydroxide, alkaline earth metal hydroxide and / or mono-, di- or trialkanolamine to be neutralized corresponding acid. Preference is given here as alkali metals potassium and sodium in particular, as alkaline earth metals calcium and magnesium in particular, and as alkanolamines mono-, di- or triethanolamine. Particularly preferred are the sodium salts.

alkyl ether

Alkyl ether sulfates (fatty alcohol ether sulfates, INCI alkyl ether sulfates) are products of sulfation reactions on alkoxylated alcohols. In this context, the person skilled in the art generally understands, under alkoxylated alcohols, the reaction products of alkylene oxide, preferably ethylene oxide, with alcohols, in the context of the present invention preferably with longer-chain alcohols, ie with aliphatic straight-chain or one or more branched, acyclic or cyclic, saturated or mono- or polyunsaturated, preferably straight-chain, acyclic, saturated, alcohols having 6 to 22, preferably 8 to 18, in particular 10 to 16 and particularly preferably 12 to 14 carbon atoms. In general, from n moles of ethylene oxide and one mole of alcohol, depending on the reaction conditions, a complex mixture of addition products of different degrees of ethoxylation (n = 1 to 30, preferably 1 to 20, especially 1 to 10, particularly preferably 2 to 4). Another embodiment of the alkoxylation is the use of mixtures of the alkylene oxides, preferably the mixture of ethylene oxide and propylene oxide. Very particularly preferred for the purposes of the present invention are low-ethoxylated fatty alcohols having 1 to 4 ethylene oxide units (EO), in particular 1 to 2 EO, for example 2 EO, such as Na-C ₁₂ -14 fatty alcohol + 2EO sulfate.

In one preferred embodiment, the composition according to the invention comprises one or more alkyl ether sulfates in an amount of from 10 to 40% by weight, preferably from 13 to 35% by weight, in particular from 15 to 30% by weight.

alkylsulfonates

The alkyl sulfonates (INCI sulfonic acids) usually have an aliphatic straight-chain or mono- or polysubstituted, acyclic or cyclic, saturated or mono- or polyunsaturated, preferably branched, acyclic, saturated, alkyl radical having 6 to 22, preferably 9 to 20, in particular 11 to 18 and particularly preferably 14 to 17 carbon atoms.

Accordingly, suitable alkyl sulfonates are the saturated alkanesulfonates, the unsaturated olefin sulfonates and the ether sulfonates which are derived formally from the alkoxylated alcohols on which the alkyl ether sulfates are based, in which terminal ether sulfonates (n-ether sulfonates) having a sulfonate function bound to the polyether chain and internal radicals Ethersulfonate (i-ether sulfonates) with associated with the alkyl radical sulfonate function.

Preference according to the invention is given to the alkanesulfonates, in particular alkanesulfonates having a branched, preferably secondary, alkyl radical, for example the secondary alkanesulfonate sec. Na C _13-17 alkanesulfonate (INCI Sodium C14-17 alkyl lake sulfonates). The agent according to the invention contains one or more sec. Alkyl sulfonates in an amount of usually 1 to 15 wt .-%, preferably 3 to 10 wt .-%, in particular 4 to 8 wt .-%.

Betaine

Suitable betaines are the alkylbetaines, the alkylamidobetaines, the imidazolinium betaines, the sulfobetaines (INCI Sultaines) and the phosphobetaines and preferably satisfy formula I,

R ¹ - [CO-X- (CH ₂ ) _n ] _x -N ⁺ (R ² ) (R ³ ) - (CH ₂ ) _m - [CH (OH) -CH ₂ ] _y -Y- (I)

in the R ^{1 is} a saturated or unsaturated C _6-22 alkyl radical, preferably

C i ₈ ₈ -alkyl radical, in particular a saturated do- ₁₆ alkyl radical, for example a saturated C _12-14 alkyl group, X is NH, NR ⁴ with R ⁴ C _1-4 alkyl, O or S, n is a number from 1 to 10, preferably 2 to 5, in particular 3, x 0 or 1, preferably 1, R ² , R ^{3 are} independently a C _1-4 alkyl radical, optionally hydroxy-substituted, for example a hydroxyethyl radical, but especially a methyl radical, m a number from 1 to 4, in particular 1, 2 or 3, y 0 or 1 and Y is COO, SO ₃ , OPO (OR ⁵ ) O or P (O) (OR ⁵ ) O, wherein R ^{5 is} a hydrogen atom

H is C _1-4 alkyl. The alkyl and alkylamido betaines, betaines of the formula I having a carboxylate group (Y = COO ^" ) are also called carbobetaines.

Preferred betaines are the alkylbetaines of the formula (Ia), the alkylamidobetaines of the formula (Ib), the sulfobetaines of the formula (Ic) and the amidosulfobetaines of the formula (Id), R ¹ -N ⁺ (CH ₃ ) ₂ -CH ₂ COO- (Ia)

R ¹ -CO-NH- (CH ₂ ) ₃ -N ⁺ (CH ₃ ) ₂ -CH ₂ COO- (Ib)

R ^{1 is} -N ⁺ (CH ₃ ) ₂ -CH ₂ CH (OH) CH ₂ SO ₃ - (Ic)

R ¹ -CO-NH- (CH ₂ ) ₃ -N ⁺ (CH ₃ ) ₂ -CH ₂ CH (OH) CH ₂ SO ₃ - (Id) in which R ^{1 has} the same meaning as in formula I.

Particularly preferred betaines are the carbo-betaines, in particular the carbo-betaines of the formula (Ia) and (Ib), most preferably the alkylamido-betaines of the formula (Ib).

Examples of suitable betaines and sulfobetaines are the following compounds designated as INCI: almondamidopropyl betaines, apricotamidopropyl betaines, avocadamidopropyl betaines, babassuamidopropyl betaines, behenamidopropyl betaines, behenyl betaines, betaines, canolamidopropyl betaines, caprylic / capramidopropyl betaines, carnitines, cetyl betaines, cocamidoethyl betaines , Cocamidopropyl Betaine, Cocamidopropyl Hydroxysultaine, Coco-Betaine, Coco-Hydroxysultaine, Coco / Oleamidopropyl Betaine, Coco-Sultaine, Decyl Betaine, Dihydroxyethyl Oleyl Glycinate, Dihydroxyethyl Soy Glycinate, Dihydroxyethyl Stearyl Glycinate, Dihydroxyethyl Tallow Glycinate, Dimethicone Propyl PG Betaine, Erucamidopropyl Hydroxysultaine, Hydrogenated Tallow Betaine, Isostearamidopropyl Betaine, Lauramidopropyl Betaine, Lauryl Betaine, Lauryl Hydroxysultaine, Lauryl Sultaine, Milkamidopropyl Betaine, Minkamidopropyl Betaine, Myristamidopropyl Betaine, Myristyl Betaine, Oleamidopropyl Betaine, Oleamidopropyl Hydroxysu ltaine, oleyl betaine, olivamidopropyl betaine, palmamidopropyl betaine, palmitamidopropyl betaine, palmitoyl carnitine, palm kernelamidopropyl betaine, polytetrafluoroethylene acetoxypropyl betaine, ricinoleamidopropyl betaine, sesamidopropyl betaine, soyamidopropyl betaine, stearamidopropyl betaine, stearyl betaine, tallowamidopropyl betaine, tallowamidopropyl hydroxysultaine, tallow betaine, tallow Dihydroxyethyl betaines, undecylenamidopropyl betaines and wheat germamidopropyl betaines. A preferred betaine is, for example, cocamidopropyl betaine (cocoamidopropylbetaine). The agent of the invention contains one or more betaines in an amount of usually 1 to 15 wt .-%, preferably 3 to 10 wt .-%, in particular 4 to 8 wt .-%.

The surfactants a) alkyl ether sulfate, b) secondary alkanesulfonate and c) betaine contained in the agent according to the invention are preferably present in a ratio a): b): c) of 5: 2: 1 to 3: 1: 1.

Water-soluble salts

The cleaning agent according to the invention also contains one or more water-soluble salts for lowering the viscosity. It may be inorganic and / or organic salts, in a preferred embodiment, the agent contains at least one inorganic salt.

Inorganic salts which can be used according to the invention are preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates and / or oxides of the alkali metals, alkaline earth metals, aluminum and / or transition metals; Furthermore, ammonium salts can be used. Particularly preferred are halides and sulfates of the alkali metals; Preferably, therefore, the inorganic salt is selected from the group comprising sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures thereof.

The organic salts which can be used according to the invention are, in particular, colorless water-soluble alkali metal, alkaline earth metal, ammonium, aluminum and / or transition metal salts of the carboxylic acids. Preferably, the salts are selected from the group comprising formate, acetate, propionate, citrate, malate, tartrate, succinate, malonate, oxalate, lactate and mixtures thereof.

The cleaning agent according to the invention contains in a preferred embodiment 0.1 to 10 wt .-%, preferably 0.5 to 7 wt .-%, particularly preferably 0.8 to 5 wt .-% of at least one water-soluble salt. In a particularly preferred embodiment, exclusively inorganic salts are used. The water-soluble salt is used to set a lower viscosity in hard surface cleaners having a high surfactant concentration, especially a high alkyl ether sulfate concentration. In a process for lowering the viscosity of high surfactant, in particular high alkyl ether sulfate-containing Hard surface cleaners are accordingly added to the compositions with one or more water-soluble salts.

solvent

The water content of the aqueous composition according to the invention is usually 15 to

90 wt .-%, preferably 20 to 85 wt .-%, in particular 30 to 80 wt .-%.

The agent according to the invention may advantageously additionally contain one or more water-soluble organic solvents, usually in an amount of 0.1 to 30% by weight, preferably 1 to 20% by weight, in particular 2 to 15% by weight, more preferably 3 to 12 wt .-%, most preferably 4 to 8 wt .-%.

The solvent is used in the context of the teaching of the invention as needed in particular as a hydrotrope, viscosity regulator and / or cold stabilizer. It acts solubilizing in particular for surfactants and electrolyte as well as perfume and dye and thus contributes to their incorporation, prevents the formation of liquid-crystalline phases and has a share in the formation of clear products. The viscosity of the agent according to the invention decreases with increasing amount of solvent. However, too much solvent can cause excessive viscosity drop. Finally, as the amount of solvent increases, the clouding and clearing point of the composition according to the invention decreases.

Suitable solvents are, for example, saturated or unsaturated, preferably saturated, branched or unbranched C _1-2 O hydrocarbons, preferably C _2-15 hydrocarbons, having at least one hydroxyl group and optionally one or more ether functions COC, ie the carbon atom chain interrupting oxygen atoms.

Preferred solvents are the - optionally unilaterally etherified with a C _1-6 alkanol - C _2-6 alkylene glycols and poly-C _2-3 alkylene glycol having an average of 1 to 9 identical or different, preferably the same, alkylene glycol groups per molecule as well Ci _-6- alcohols, preferably ethanol, n-propanol or iso-propanol, especially ethanol.

Exemplary solvents are the following INCI compounds: alcohol (ethanol), buteth-3, butoxy diglycol, butoxyethanol, butoxyisopropanol, butoxypropanol, n-butyl alcohol, t-butyl alcohol, butylene glycol, butyloctanol, diethylene glycol, dimethoxy diglycol, dimethyl ether, Dipropylene glycol, ethoxydiglycol, ethoxyethanol, ethyl hexanediol, glycol, hexanediol, 1, 2,6-hexanetriol, hexyl alcohol, Hexylenes glycol, isobutoxypropanol, isopentyldiol, isopropyl alcohol (iso-propanol), 3-

Methoxybutanol, methoxy diglycol, methoxyethanol, methoxyisopropanol,

Methoxymethylbutanol, Methoxy PEG-10, Methylal, Methyl Alcohol, Methyl Hexyl Ether,

Methylpropanediol, neopentyl glycol, PEG-4, PEG-6, PEG-7, PEG-8, PEG-9, PEG-6

Methyl ether, pentylene glycol, PPG-7, PPG-2-buteth-3, PPG-2 butyl ether, PPG-3 butyl

Ethers, PPG-2 methyl ethers, PPG-3 methyl ethers, PPG-2 propyl ethers, propanediol, propyl

Alcohol (n-propanol), propylene glycol, propylene glycol butyl ether, propylene glycol

Propyl ether, tetrahydrofurfuryl alcohol, trimethylhexanol.

Particularly preferred solvents are the one-sided etherified with a d _-6- alkanol

Poly-C _2-3 -alkylene glycol ethers having on average from 1 to 9, preferably from 2 to 3, ethylene or propylene glycol groups, for example PPG-2 methyl ethers

(Dipropylene glycol monomethyl ether).

Preferably, the solvent is selected from the group comprising methanol,

Ethanol, propanol, isopropanol, ethylene glycol, propylene glycol and mixtures thereof.

Most preferred solvents are the C _2-3 alcohols ethanol, n-propanol and / or iso-propanol, especially ethanol.

As a solubilizer, in particular for perfume and dyes, in addition to the solvents described above, for example, alkanolamines and alkyl benzenesulfonates having 1 to 3 carbon atoms in the alkyl radical can be used.

Other ingredients

In addition to the components mentioned so far, the compositions according to the invention may contain further ingredients. These include, for example, other surfactants, additives for improving the drainage and drying behavior, for adjusting the viscosity, for stabilization and other customary in manual dishwashing detergents and additives, such as UV stabilizers, perfume, pearlescing agents, dyes, corrosion inhibitors, preservatives, organic salts, Disinfectants, enzymes, pH adjusters and skin feel-improving or nourishing additives.

Further anionic surfactants

The composition of the invention may additionally comprise one or more other anionic surfactants, usually in an amount of 0.001 to 5 wt .-%, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0.2 to 2% by weight, most preferably 0.5 to 1, 5 wt .-%, for example, 1 wt .-%. Suitable further anionic surfactants are in particular aliphatic sulfates such as fatty alcohol sulfates, monoglyceride sulfates and ester sulfonates (sulfo fatty acid esters), lignosulfonates, alkylbenzenesulfonates, fatty acid cyanamides, anionic

Sulfosuccinic acid surfactants, fatty acid isethionates, acylaminoalkanesulfonates

(Fatty acid taurides), fatty acid sarcosinates, ether carboxylic acids and alkyl (ether) phosphates. Suitable further anionic surfactants are also anionic gemini surfactants having a di-phenyloxide basic structure, 2 sulfonate groups and an alkyl radical on one or both benzene rings according to the formula O ₃ S (C ₆ H ₃ R) O (C ₆ H ₃ R ') SO ₃ ^"atoms in the R is an alkyl radical with, for example, 6, 10, 12 or 16 carbon and R 'is R or H (Dowfax ^® Dry hydrotropes Powder with C ₁₆ alkyl radical (s); INCI Sodium Hexyldiphenyl ether sulfonates, Disodium decyl phenyl ether disulfonates, Disodium lauryl phenyl ether disulfonates, Disodium Cetyl phenyl ether disulfonates) and fluorinated anionic surfactants, in particular perfluorinated alkylsulfonates such as ammonium Cg / _K j-Perfluoroalkylsulfonat (Fluorad ^® FC 120) and perfluorooctane sulfonic acid potassium salt (Fluorad ^® FC 95).

Anionic sulfosuccinic acid surfactants

Particularly preferred further anionic surfactants are the anionic sulfosuccinic acid surfactants sulfosuccinates, sulfosuccinamates and sulfosuccinamides, especially sulfosuccinates and sulfosuccinamates, most preferably sulfosuccinates. The sulfosuccinates are the salts of the mono- and diesters of sulfosuccinic acid HOOCCH (SO ₃ H) CH ₂ COOH, while the sulfosuccinamates are the salts of the monoamides of sulfosuccinic acid and the sulfosuccinamides are the salts of the diamides of sulfosuccinic acid ,

The salts are preferably alkali metal salts, ammonium salts and mono-, di- or trialkanolammonium salts, for example mono-, di- or triethanolammonium salts, in particular lithium, sodium, potassium or ammonium salts, particularly preferably sodium or ammonium salts , most preferably sodium salts.

In the sulfosuccinates, one or both carboxyl groups of the sulfosuccinic acid is preferably with one or two identical or different unbranched or branched, saturated or unsaturated, acyclic or cyclic, optionally alkoxylated alcohols having 4 to 22, preferably 6 to 20, in particular 8 to 18 , more preferably 10 to 16, most preferably 12 to 14 carbon atoms esterified. Particularly preferred are the esters of unbranched and / or saturated and / or acyclic and / or alkoxylated alcohols, in particular unbranched, saturated fatty acids. alcohols and / or unbranched, saturated, with ethylene and / or propylene oxide, preferably ethylene oxide, alkoxylated fatty alcohols having a degree of alkoxylation of 1 to 20, preferably 1 to 15, especially 1 to 10, particularly preferably 1 to 6, most preferably 1 to 4 The monoesters are preferred over the diesters in the context of the present invention. A particularly preferred sulfosuccinate is Sulfobernsteinsäurelaurylpolyglykolester disodium salt (EO lauryl sulfosuccinate, di-Na salt; INCI Disodium Laureth Sulfosuccinate), the example as Tego ^® F sulfosuccinate 30 (Goldschmidt) with a sulfosuccinate of 30 parts by weight % is commercially available.

In the sulfosuccinamates or sulfosuccinamides, one or both carboxyl groups of the sulfosuccinic acid forms preferably with a primary or secondary amine having one or two identical or different, unbranched or branched, saturated or unsaturated, acyclic or cyclic, optionally alkoxylated alkyl radicals having 4 to 22 , preferably 6 to 20, in particular 8 to 18, more preferably 10 to 16, most preferably 12 to 14 carbon atoms carries, a carboxylic acid amide. Particular preference is given to unbranched and / or saturated and / or acyclic alkyl radicals, in particular unbranched, saturated fatty alkyl radicals.

Also suitable are, for example, the following sulfosuccinates and sulfosuccinamates designated according to INCI: ammonium dinonyl sulfosuccinates, ammonium lauryl sulfosuccinates, diammonium dimethicone copolyol sulfosuccinates, diammonium lauramido-MEA sulfosuccinates, diammonium lauryl sulfosuccinates, diammonium oleamido PEG-2 Sulfosuccinate, Diamyl Sodium Sulfosuccinate, Dicapryl Sodium Sulfosuccinate, Dicyclohexyl Sodium Sulfosuccinate, Diheptyl Sodium Sulfosuccinate, Dihexyl Sodium Sulfosuccinate, Diisobutyl Sodium Sulfosuccinate, Dioctyl Sodium Sulfosuccinate, Disodium Cetearyl Sulfosuccinate, Disodium Cocamido MEA Sulfosuccinate, Disodium Cocamido MIPA Sulfosuccinate, Disodium Cocamido PEG-3 Sulfosuccinate, Disodium Coco-Glucoside Sulfosuccinate, Disodium Cocoyl Butyl Gluceth-10 Sulfosuccinate, Disodium C12-15 Pareth Sulfosuccinate, Disodium Deceth-5 Sulfosuccinate, Disodium Deceth-6 Sulfos Disodium Dihydroxyethyl Sulfosuccinyl undecylenate, Disodium Dimethicone Copolyol Sulfosuccinate, Disodium Hydrogenated Cottonseed Glyceride Sulfosuccinate, Disodium Isodecyl Sulfosuccinate, Disodium Isostearamido MEA Sulfosuccinate, Disodium Isostearamido MIPA Sulfosuccinate, Disodium Isostearyl Sulfosuccinate, Disodium Laneth-5 Sulfosuccinate, Disodium Lauramido MEA Sulfosuccinate, Disodium Lauramido PEG-2 Sulfosuccinate, Disodium Lauramido PEG-5 Sulfosuccinate, Disodium Laureth-6 Sulfosuccinate, Disodium Laureth-9 Sulfosuccinate, Disodium Laureth-12 Sulfosuccinate, Disodium Lauryl Sulfosuccinate, Disodium Myristamido MEA Sulfosuccinate, Disodium Nonoxynol -10 Sulfosuccinates, Disodium Oleamido MEA Sulfosuccinates, Disodium Oleamido MIPA Sulfosuccinates, Disodium Oleamido PEG-2 Sulfosuccinates, Disodium Oleth-3 Sulfosuccinates, Disodium Oleyl Sulfosuccinates, Disodium Palmitamido PEG-2 Sulfosuccinates, Disodium Palmitoleamido PEG-2 Sulfosuccinates, Disodium PEG- 4 Cocamido MIPA Sulfosuccinates, Disodium PEG-5 Lauryl Citrate Sulfosuccinates, Disodium PEG-8 Palm Glycerides Sulfosuccinates, Disodium Ricinoleamido MEA Sulfosuccinates, Disodium Sitostereth-14 Sulfosuccinates, Disodium Stearamido MEA Sulfosuccinates, Disodium Stearyl Sulfosuccinamates, Disodium Stearyl Sulfosuccinates, Disodium TaII- amido MEA Sulfosuccinate, Disodium Tallowamido M EA sulfosuccinates, disodium tallow sulfosuccinamates, disodium tridecyl sulfosuccinates, disodium undecylenamido MEA sulfosuccinates, disodium undecylenamido PEG-2 sulfosuccinates, disodium wheat germamido MEA sulfosuccinates, disodium wheat germamido PEG-2 sulfosuccinates, di-TEA-oleamido PEG-2 sulfosuccinates, ditridecyl Sodium Sulfosuccinate, Sodium Bisglycol Ricinosulfosuccinate, Sodium / MEA Laureth-2 Sulfosuccinate and Tetrasodium Dicarboxyethyl Stearyl Sulfosuccinamate. Yet another suitable sulfosuccinamate is disodium dβ-iβ-alkoxy-propylene sulfosuccinamate.

Preferred anionic sulfosuccinic are imidosuccinate, mono-sodium sulfosuccinic acid diisobutyl ester (Monawet MB ^® 45), mono-Na-sulfosuccinic acid di-octyl ester (Monawet MO-84 ^® R2W, Rewopol SB ^® DO 75), mono-Na sulfosuccinic acid di-tridecyl (Monawet ^® MT 70) Fettalkoholpolyglykolsulfosuccinat-Na-NH ^ salt (sulfosuccinate S-2), di-sodium sulfosuccinic acid mono-C _{12 /} i ₄ 3EO ester (Texapon ^® SB-3) , Natruimsulfobernsteinsäurediisooctylester (Texin DOS 75 ^®) and di-sodium sulfosuccinic acid mono-Ci _{2 /} i ₈ ester (Texin 128-P ^®), in particular with regard to the inventive ternary surfactant combination of sequential and / or drying behavior synergistically acting mono -Na-sulfosuccinic di-octyl ester.

In a particular embodiment, the agent according to the invention contains as anionic sulfosuccinic acid surfactants one or more sulfosuccinates, sulfosuccinamates and / or sulfosuccinamides, preferably sulfosuccinates and / or sulfosuccinamates, in particular sulfosuccinates, in an amount of usually 0.001 to 5% by weight, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1, 5 wt .-%, for example 1 wt .-%.

Other amphoteric surfactants

The amphoteric surfactants (amphoteric surfactants, zwitterionic surfactants) which can be used according to the invention include alkylamidoalkylamines, alkyl-substituted amino acids, acylated amino acids or biosurfactants, of which the betaines are preferred within the scope of the teaching according to the invention.

alkylamidoalkylamines

The alkylamidoalkylamines (INCI alkylamido alkylamines) are amphoteric surfactants of the formula

(III)

R ⁹ -CO-NR ¹⁰ - (CH ₂ ), - N (R ¹¹ ) - (CH ₂ CH ₂ θ) - (CH ₂ ) _k - [CH (OH)] | -CH ₂ -Z-OM (III ) in which R ⁹ is a saturated or unsaturated C _6-22 alkyl, preferably C _8- i ₈ alkyl radical, preferably a saturated C _10- i ₆ alkyl radical, for example a saturated C _12-14 alkyl group,

R ^{10 is} a hydrogen atom H or a C _1-4 -alkyl radical, preferably H, i is a number from 1 to 10, preferably 2 to 5, in particular 2 or 3,

R ^{11 is} a hydrogen atom H or CH ₂ COOM (to M su), j is a number from 1 to 4, preferably 1 or 2, in particular 1, k is a number from 0 to 4, preferably 0 or 1, I 0 or 1, wherein k = 1, if I = 1,

Z is CO, SO ₂ , OPO (OR ¹² ) or P (O) (OR ¹² ) where R ^{12 is} C _1-4 alkyl or M

(s.u.), and M is a hydrogen, an alkali metal, an alkaline earth metal or a protonated one

Alkanolamine, e.g. protonated mono-, di- or triethanolamine.

Preferred representatives satisfy the formulas IMa to IHd,

R ⁹ -CO-NH- (CH ₂ ) ₂ -N (R ¹¹ ) -CH ₂ CH ₂ O-CH ₂ -COOM (purple)

R ⁹ -CO-NH- (CH ₂ ) ₂ -N (R ¹¹ ) -CH ₂ CH ₂ O-CH ₂ CH ₂ -COOM (Illb)

R ⁹ -CO-NH- (CH ₂ ) ₂ -N (R ¹¹ ) -CH ₂ CH ₂ O-CH ₂ CH (OH) CH ₂ -SO ₃ M (Never)

R ⁹ -CO-NH- (CH ₂₎ ₂ -N (R ¹¹⁾ -CH ₂ CH ₂ O-CH ₂ CH (OH) CH ₂ -OPO ₃ HM (IIId) in which R ¹¹ and M have the same meaning as in formula (IM). Exemplary alkylamido alkylamines are the following compounds named according to INCI: Cocoamphodipropionic Acid, Cocobetainamido amphopropionates, DEA-Cocoamphodipropionate, Disodium Caproamphodiacetate, Disodium Caproamphodipropionate, Disodium Capryloamphodiacetate, Disodium Capryloamphodipropionate, Disodium Cocoamphocarboxyethylhydroxypropylsulfonate, Disodium Cocoamphodiacetate, Disodium Cocoamphodipropionate, Disodium Isostearoamphodiacetate, Disodium Isostearoamphodipropionate, Disodium Laureth-5 Carboxyamphodiacetate, Disodium Lauroamphodiacetate, Disodium Lauroamphodipropionate, Disodium

Oleoamphodipropionate, Disodium PPG-2-isodeceth-7 Carboxyamphodiacetate, Disodium Stearoamphodiacetate, Disodium Tallowamphodiacetate, Disodium Wheatgermamphodiacetate, Lauroamphodipropionic Acid, Quaternium-85, Sodium Caproamphoacetate, Sodium Caproamphohydroxypropylsulfonate, Sodium Caproamphopropionate, Sodium Capryloamphoacetate, Sodium

Capryloamphohydroxypropylsulfonates, Sodium Capryloamphopropionate, Sodium Cocoamphoacetate, Sodium Cocoamphohydroxypropylsulfonates, Sodium

Cocoamphopropionate, Sodium Cornamphopropionate, Sodium Isostearoamphoacetate, Sodium Isostearoamphopropionate, Sodium Lauroamphoacetate, Sodium Lauroamphohydroxypropylsulfonate, Sodium Lauroampho PG-Acetate Phosphate, Sodium Lauroamphopropionate, Sodium Myristoamphacetate, Sodium Oleoamphoacetate, Sodium Oleoamphohydroxypropylsulfonate, Sodium

Oleoamphopropionate, Sodium Ricinoleoamphoacetate, Sodium Stearoamphoacetate, Sodium Stearoamphohydroxypropylsulfonate, Sodium Stearoamphopropionate, Sodium Tallamphopropionate, Sodium Tallowamphoacetate, Sodium Undecylenoamphoacetate, Sodium Undecylenoamphopropionate, Sodium Wheat Germamphoacetate, and Trisodium Lauroampho PG-Acetate Chloride Phosphate.

Alkyl substituted amino acids

Preferred alkyl-substituted amino acids according to the invention (INCI Alkyl Substituted

Amino acids) are monoalkyl-substituted amino acids according to formula (IV) ₁

R ^ -NH-CH (R ¹⁴ HCH ₂₎ _U -COOM ¹ (IV) radical in which R ¹³ is a saturated or unsaturated C _6-22 -alkyl ky I, C i _8- preferably ₈ alkyl radical, in particular a saturated C _10- i ₆ alkyl radical, for example a saturated C _12-14 alkyl group, R ¹⁴ is a hydrogen atom H or a C ^ alkyl group, preferably H, u is a number from 0 to 4, preferably 0 or 1, in particular 1, and M ^{1 is} a hydrogen, an alkali metal, an alkaline earth metal or a protonated alkanolamine, for example protonated mono-, di- or triethanolamine,

alkyl-substituted imino acids according to formula (V),

R ¹⁵ -N - [(CH ₂₎ _V -COOM '] ₂ (V) in which R ^{15 represents} a saturated or unsaturated C _6-22 alkyl preferably C _8- rest i8-alkyl, in particular a saturated Ci _0- i is _6- alkyl radical, for example a saturated C _12-14 -alkyl radical, v is a number from 1 to 5, preferably 2 or 3, in particular 2, and M "is a hydrogen, an alkali metal, an alkaline earth metal or a protonated alkanolamine, for example protonated mono , Di- or triethanolamine, where M "in the two carboxy groups may have the same or two different meanings, for example hydrogen and sodium or may be twice sodium, is

and mono- or dialkyl-substituted natural amino acids according to formula (VI),

R ¹⁶ -N (R ¹⁷⁾ -CH (R ¹⁸⁾ COOM '' _(V)) in which R ¹⁶ is a saturated or unsaturated C ^ alkyl, preferably, C _8- i rest ₈ alkyl, preferably a saturated C ₁₀ .i ₆ -alkyl radical, for example a saturated Ci _2- i ₄ -alkyl radical, R ^{17 is} a hydrogen atom or a C _M -alkyl radical, optionally hydroxy- or amine-substituted, for example a methyl, ethyl, hydroxyethyl or

Aminpropylrest,

R ^{18 is} the radical of one of the 20 natural α-amino acids H ₂ NCH (R ¹⁸ ) COOH, and M " ^{1 is} a hydrogen, an alkali metal, an alkaline earth metal or a protonated

Alkanolamine, e.g. protonated mono-, di- or triethanolamine.

Particularly preferred alkyl-substituted amino acids are the aminopropionates according to formula (IVa),

R ¹³ -NH-CH ₂ CH ₂ COOM '(IVa) in which R ¹³ and M' have the same meaning as in formula (IV). Illustrative alkyl substituted amino acids are the following INCI compounds: Aminopropyl Laurylglutamine, Cocaminobutyric Acid, Cocaminopropionic Acid, DEA Lauraminopropionate, Disodium Cocaminopropyl Iminodiacetate, Disodium Dicarboxyethyl Cocopropylenediamine, Disodium Lauriminodipropionate, Disodium Steariminodipropionate, Disodium Tallowiminodipropionate, Lauraminopropionic Acid, Lauryl Aminopropylglycine, Lauryl Diethylenediaminoglycine, Myristaminopropionic Acid, Sodium C12-15 Alkoxypropyl Iminodipropionate, Sodium Cocaminopropionate, Sodium Lauraminopropionate, Sodium Lauriminodipropionate, Sodium Lauroyl Methylaminopropionate, TEA Lauraminopropionate and TEA Myristaminopropionate.

Acylated amino acids

Acylated amino acids are amino acids, in particular the 20 natural α-amino acids which carry on the amino nitrogen the acyl radical R ¹⁹ CO of a saturated or unsaturated fatty acid R ¹⁹ COOH, where R ^{19 is} a saturated or unsaturated C _6-22 alkyl radical, preferably C _8- i ₈ -alkyl radical, preferably a saturated C _10- i ₆ alkyl radical, for example a saturated C ₁₂ -i ₄ is alkyl. The acylated amino acids can also be used as the alkali metal salt, alkaline earth metal salt or alkanolammonium salt, for example mono-, di- or triethanolammonium salt. Exemplary acylated amino acids are the acyl derivatives summarized in accordance with INCI under Amino Acids, for example sodium cocoyl glutamate, lauroyl glutamic acid, capryloyl glycine or myristoyl methylalanine.

Amphotensidkombinationen

In a particular embodiment of the invention, a combination of two or more different amphoteric surfactants, in particular a binary Amphotensidkombination is used.

The amphoteric surfactant combination preferably contains at least one betaine, in particular at least one alkylamidobetaine, more preferably cocoamidopropylbetaine.

Further, the amphoteric surfactants preferably contains at least one amphoteric surfactant is selected from the group comprising Natriumcarboxyethylkokosphosphoethylimidazolin (Phosphoteric ^® TC-6), C _{8 /} io amidopropyl betaine (INCI caprylic / Capramidopropyl Betaine, Betaine Tego ^® 810), N ^ -hydroxyethyl-N-carboxymethyl fettsäureamido-ethylamine-Na (Rewoteric ^® AMV) and N-caprylic / capric amidoethyl-N-ethyl-propionate-Na (Rewoteric AMVSF ^®) and the betaine 3- (3-cocoamido-propyl) dimethylammonium 2- hydroxypropanesulfonate (INCI sultaines; Rewoteric AM CAS ^®) and the Alkylamidoalkylamin N- [N '(N "-2-hydroxyethyl-N" -carboxyethylaminoethyl) -essigsäureamido] -N, N-dimethyl-N-coco-ammonium betaine (Rewoteric QAM ^® 50), especially together with cocoamidopropylbetaine.

In a further particular embodiment, the agent according to the invention contains one or more amphoteric surfactants in an amount of more than 8% by weight. In yet another particular embodiment, the agent according to the invention contains one or more amphoteric surfactants in an amount of less than 2% by weight.

Nonionic surfactants

The composition according to the invention may additionally contain one or more nonionic surfactants, usually in an amount of 0.001 to 5 wt .-%, preferably 0.01 to 4 wt .-%, in particular 0.1 to 3 wt .-%, particularly preferably 0 , 2 to 2 wt .-%, most preferably 0.5 to 1, 5 wt .-%, for example, 1 wt .-%.

Nonionic surfactants in the context of the invention are alkoxylates such as polyglycol ethers, fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, endgroup-capped polyglycol ethers, mixed ethers and hydroxy mixed ethers and fatty acid polyglycol esters. Also suitable are block polymers of ethylene oxide and propylene oxide as well as fatty acid alkanolamides and fatty acid polyglycol ethers. Important classes of nonionic surfactants according to the invention are furthermore the amine oxides and the sugar surfactants, in particular the alkyl polyglucosides.

Fettalkoholpolyglykolether

Among fatty alcohol polyglycol ethers are according to the invention with ethylene oxide (EO) and / or propylene oxide (PO) alkoxylated, branched or unbranched, saturated or unsaturated C _10-22 alcohols with a degree of alkoxylation up to 30 to understand, preferably ethoxylated fatty alcohols ₈ Ci ₀ -i with a degree of ethoxylation of less than 30, preferably with a degree of ethoxylation of 1 to 20, in particular from 1 to 12, more preferably from 1 to 8, most preferably from 2 to 5, for example Ci _2-H - fatty alcohol ethoxylates with 2, 3 or 4 EO or a mixture of C ₁₂ - _I4 - fatty alcohol ethoxylates with 3 and 4 EO in a weight ratio of 1 to 1 or isotridecyl alcohol ethoxylates with 5, 8 or 12 EO. amine oxides

The amine oxides suitable in accordance with the invention include alkylamine oxides, in particular alkyldimethylamine oxides, alkylamidoamine oxides and alkoxyalkylamine oxides. Preferred amine oxides satisfy formula II,

R ⁶ R ⁷ R ⁸ N ⁺ -O ^" (II)

R ⁶ - [CO-NH- (CH ₂₎ _w] z N ⁺ (R ⁷⁾ (R ⁸⁾ -Cr (II) in which R ⁶ is a saturated or unsaturated C ^ alkyl, preferably C _8- i ₈ alkyl - rest, in particular a saturated C ₁₀ .i ₆ -alkyl radical, for example a saturated C _12-14 -alkyl radical, in the Alkylamidoaminoxiden via a

Carbonylamidoalkylengruppe -CO-NH- (CH ₂ ) _Z - and in the

Alkoxyalkylaminoxiden via an oxaalkylene group -O- (CH ₂ ) _Z - to the

Nitrogen atom N, where z is in each case a number from 1 to 10, preferably 2 to 5, in particular 3,

R ⁷ , R ^{8 are} independently of one another a C _1-4 -alkyl radical, if appropriate hydroxy-substituted, for example a hydroxyethyl radical, in particular a methyl radical.

Examples of suitable amine oxides are the following compounds designated as INCI: Almondamidopropylamine oxides, Babassuamidopropylamine oxides, Behenamine oxides, Cocamidopropyl Amine oxides, Cocamidopropylamine oxides, Cocamine oxides, Coco Morpholine oxides, Decylamine oxides, Decyltetradecylamine oxides, Diaminopyrimidines oxides, Dihydroxyethyl C8-10 alkoxypropylamines oxides , Dihydroxyethyl C9-11 alkoxypropylamines oxides, dihydroxyethyl C12-15 alkoxypropylamines oxides, dihydroxyethyl cocamine oxides, dihydroxyethyl lauramine oxides, dihydroxyethyl stearamines oxides, dihydroxyethyl tallowamine oxides, hydrogenated palm kernel amine oxides, hydrogenated tallowamine oxides, hydroxyethyl hydroxypropyl C12-15 alkoxypropylamines oxides, isostearamidopropylamines Oxides, Isostearamidopropyl Morpholine Oxide, Lauramidopropylamine Oxide, Lauramine Oxide, Methyl Morpholine Oxide, Milkamidopropyl Amine Oxide, Minkamidopropylamine Oxide, Myristamidopropylamine Oxide, Myristamine Oxide, Myristyl / Cetyl Amine Oxi de, Oleamidopropylamine Oxide, Oleamine Oxide, Olivamidopropylamine Oxide, Palmitamidopropylamine Oxide, Palmitamine Oxide, PEG-3 Lauramine Oxide, Potassium Dihydroxyethyl Cocamine Oxide Phosphate, Potassium Trisphosphonomethylamine Oxide, Sesamidopropylamine Oxide, Soyamidopropylamine Oxide, Stearamidopropylamine oxides, Stearamine oxides, Tallowamidopropylamine oxides, Taliowamine oxides, Undecylenamidopropylamine oxides and Wheat germamidopropylamine oxides. A preferred amine oxide is, for example, cocamidopropylamine oxides (cocoamidopropylamine oxide).

sugar surfactants

Sugar surfactants are known surface-active compounds, which include, for example, the sugar surfactant classes of the alkyl glucose esters, aldobionamides, gluconamides (sugar acid amides), glycerolamides, glycerol glycolipids, polyhydroxy fatty acid amide sugar surfactants (sugar amides) and alkyl polyglycosides. Preferred sugar surfactants within the scope of the teaching according to the invention are the alkyl polyglycosides and the sugar amides and their derivatives, in particular their ethers and esters. The ethers are the products of the reaction of one or more, preferably one, sugar hydroxy group with a compound containing one or more hydroxyl groups, for example C 1. ₂₂ -alcohols or glycols such as ethylene and / or propylene glycol, wherein the sugar hydroxy group can also carry polyethylene glycol and / or polypropylene glycol. The esters are the reaction products of one or more, preferably one, sugar hydroxy group with a carboxylic acid, in particular a C _6-22 fatty acid.

sugar amides

Particularly preferred sugar amides satisfy the formula R'C (O) N (R ") [Z], in which R 'is a linear or branched, saturated or unsaturated acyl radical, preferably a linear unsaturated acyl radical, having 5 to 21, preferably 5 to 17, in particular 7 to 15, particularly preferably 7 to 13 carbon atoms, R "is a linear or branched, saturated or unsaturated alkyl radical, preferably a linear unsaturated alkyl radical, having 6 to 22, preferably 6 to 18, in particular 8 to 16, particularly preferred 8 to 14 carbon atoms, a C _1-5 alkyl radical, in particular a methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, tert-butyl or n-pentyl radical, or hydrogen and Z for a Sugar residue, ie a Monosaccharidrest stand. Particularly preferred sugar amides are the amides of glucose, the glucamides, for example lauroyl-methyl-glucamide.

Alkylpolyglykoside

The alkylpolyglycosides (APG) are particularly preferred sugar surfactants within the scope of the teaching according to the invention and preferably satisfy the general formula R ¹ O (AO) ₃ [G] _x , in which R ^{1 is} a linear or branched, saturated or unsaturated alkyl radical having 6 to 22, preferably 6 to 18, in particular 8 to 16, particularly preferably 8 to 14 carbon atoms, [G ] for a glycosidically linked sugar residue and x for a number from 1 to 10 and AO for an alkyleneoxy group, for example an ethyleneoxy or Propylenoxygruppe, and a for the average degree of alkoxylation of 0 to 20. In this case, the group (AO) _{3 may} also contain different alkyleneoxy units, for example ethyleneoxy or propyleneoxy units, where a is the mean Gesamtalkoxylierungsgrad, ie the sum of ethoxylation and degree of propoxylation, is. Unless otherwise stated below, the alkyl radicals R 'of the APG are linear unsaturated radicals having the stated number of carbon atoms.

APG are nonionic surfactants and are known substances that can be obtained by the relevant methods of preparative organic chemistry. The index number x indicates the degree of oligomerization (DP degree), i. The distribution of mono- and oligoglycosides, and stands for a number between 1 and 10. While x must always be integer in a given compound and can take here especially the values x = 1 to 6, the value x for a particular alkyl glycoside an analytically determined arithmetical variable, which usually represents a fractional number. Preferably, alkyl glycosides having a mean degree of oligomerization x of 1.1 to 3.0 are used. From an application point of view, those alkyl glycosides whose degree of oligomerization is less than 1.7 and in particular between 1.2 and 1.6 are preferred. The glycosidic sugar used is preferably xylose, but especially glucose.

The alkyl or alkenyl radical R 'can be derived from primary alcohols having 8 to 18, preferably 8 to 14 carbon atoms. Typical examples are caproic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol, and technical mixtures thereof, such as those obtained during the hydrogenation of technical fatty acid methyl esters or in the hydrogenation of aldehydes from ROELEN's oxosynthesis.

Preferably, however, the alkyl or alkenyl radical R 'is derived from lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol or oleyl alcohol. Also to be mentioned are elaidyl alcohol, petroselinyl alcohol, arachidyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and technical mixtures thereof. Particularly preferred APG are not alkoxylated (a = 0) and satisfy the formula RO [G] _x , in which R is as previously described for a linear or branched, saturated or unsaturated alkyl radical having 4 to 22 carbon atoms, [G] for a glycosidically linked sugar radical, preferably glucose residue, and x is a number from 1 to 10, preferably 1, 1 to 3, in particular 1, 2 to 1, 6, stand. Accordingly, preferred alkyl polyglycosides are, for example C ₈ - _I o- and a C _12-14 alkyl polyglucoside with an average degree of 1, 4 or 1, 5, in particular C _8-I0 - alkyl-1, 5-glucoside and C ₁₂ - i ₄ -alkyl-1,4-glucoside.

Cationic surfactants

The composition according to the invention may additionally contain one or more cationic surfactants (cationic surfactants, INCI quaternary ammonium compounds), usually in an amount of 0.001 to 5% by weight, preferably 0.01 to 4% by weight, in particular 0.1 to 3 Wt .-%, particularly preferably 0.2 to 2 wt .-%, most preferably 0.5 to 1, 5 wt .-%, for example 1 wt .-%.

Preferred cationic surfactants are the quaternary surface-active compounds, in particular with an ammonium, sulfonium, phosphonium, iodonium or arsonium group, which are also known as antimicrobial agents. Through the use of quaternary surface-active compounds with antimicrobial action, the agent can be designed with an antimicrobial effect or its possibly existing antimicrobial effect due to other ingredients can be improved.

Particularly preferred cationic surfactants are the quaternary ammonium compounds (QAV, INCI Quaternary Ammonium Compounds) according to the general formula (R ') (R ") (R ^IM ) (R ^IV ) N ⁺ X ^" , in which R ¹ to R ^{3 are the} same or various C _1-22 alkyl radicals, C _7-28 aralkyl radicals or heterocyclic radicals, where two or, in the case of an aromatic inclusion as in pyridine, even three radicals together with the nitrogen atom form the heterocycle, for example a pyridinium or imidazolinium compound, and X ^{~ are} halide ions, sulfate ions, hydroxide ions or similar anions. For optimum antimicrobial activity, preferably at least one of the radicals has a chain length of 8 to 18, in particular 12 to 16, carbon atoms.

QACs can be prepared by reacting tertiary amines with alkylating agents, such as, for example, methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide. The alkylation of tertiary amines with a long alkyl radical and two methyl groups is particularly easy, the quaternization of tertiary amines with two long radicals and a methyl group can be with the aid of methyl chloride under mild Conditions are performed. Amines which have three long alkyl radicals or hydroxy-substituted alkyl radicals are less reactive and are preferably quaternized with dimethyl sulfate.

Suitable QAVs are, for example, benzalkonium chloride (N-alkyl-N, N-dimethylbenzylammonium chloride, CAS No. 8001-54-5), benzalkone B (m, p-dichlorobenzyl-dimethyl-C ₁₂ -alkylammonium chloride, CAS No. 58390-78 -6), benzoxonium chloride (benzyldodecyl bis (2-hydroxyethyl) ammonium chloride), cetrimonium bromide (N-hexadecyl-N, N-trimethylammonium bromide, CAS No. 57-09-0), benzetonium chloride (N, N Dimethyl N- [2- [2- [p- (1,1,3,3-tetramethylbutyl) phenoxy] ethoxy] ethyl] benzyl ammonium chloride, CAS No. 121-54-0), dialkyl dimethyl ammonium chlorides such as di-n- decyl-dimethyl-arnuronium chloride (CAS No. 7173-51-5-5), didecyldimethylammonium bromide (CAS No. 2390-68-3), dioctyldimethylammonium chloride, 1-cetylpyridinium chloride (CAS No. 123-03-5) and Thiazoline iodide (CAS No. 15764-48-1) and mixtures thereof. Preferred QUATS are the benzalkonium chlorides ₈ -C ₁₈ alkyl radicals with C, in particular C ₁₂ -C ₄ alkyl-benzyl-dimethylammonium chloride. A particularly preferred QAV is the Kokospentaethoxy- methylammonium methosulfate (INCI PEG-5 Cocomonium Methosulfate, Rewoquat ^® CPEM).

In order to avoid possible incompatibilities of the cationic surfactants with the anionic surfactants according to the invention anionic surfactant-compatible and / or cationic surfactant is preferably used or omitted in a particular embodiment of the invention entirely on cationic surfactants.

additives

To further improve the running and / or drying behavior, the agent according to the invention may contain one or more additives from the group of surfactants, polymers and builders (builders), usually in an amount of 0.001 to 5% by weight, preferably 0, From 01 to 4% by weight, in particular from 0.1 to 3% by weight, particularly preferably from 0.2 to 2% by weight, very preferably from 0.5 to 1.5% by weight, for example 1% by weight. %.

Surfactants suitable as additives are certain of the amphoteric surfactants already described above, further anionic surfactants, nonionic surfactants and cationic surfactants, which are repeated at this point. The content of surface-active additives is preferably to be selected such that the total surfactant content is in the above-stated quantitative ranges. Some of the following additives are listed in parentheses, one or more of which are commercially available. As additives suitable amphoteric surfactants are, in particular Natriumcarboxyethyl- kokosphosphoethylimidazolin (Phosphoteric ^® TC-6), C _8/10 -Amidopropylbetain (INCI caprylic / Capramidopropyl Betaine, Betaine Tego ^® 810), N-2-hydroxyethyl-N-carboxymethyl-ethylamine fettsäureamido -Na (Rewoteric ^® AMV) and N-caprylic / capric amidoethyl-N-ethyl-propionate-Na (Rewoteric AMVSF ^®) and the betaine 3- (3-cocoamido-propyl) dimethylammonium-2-hydroxypropane (INCI sultaines; Rewoteric AM CAS ^®) and the Alkylamidoalkylamin N- [N '(N "-2-hydroxyethyl-N" - carboxyethylaminoethyO-essigsäureamidol-NN-dimethyl-N-coco-ammonium betaine Rewoteric QAM ^® 50).

Further suitable anionic surfactants which are suitable as additives are, in particular, anionic gemini surfactants having a diphenyloxide basic structure, 2 sulfonate groups and one alkyl radical on one or both benzene rings according to the formula O ₃ S (C ₆ H ₃ R) O (C ₆ H ₃ R ') SC> ₃ ^", in which R is an alkyl radical having, for example, 6, 10, 12 or 16 carbon atoms and R 'is R or H (Dowfax ^® Dry hydrotropes Powder with Ci ₆ alkyl group (s); INCI Sodium Hexyldiphenyl ether sulfonates, Disodium decyl phenyl ether disulfonates, Disodium lauryl phenyl ether disulfonates, Disodium Cetyl phenyl ether disulfonates) and the fluorinated anionic surfactants Amrnonium-C9 / ₁₀ -Perfluoroalkylsulfonat (Fluorad ^® FC 120), perfluorooctane sulfonic acid potassium salt (Fluorad ^® FC 95) as well as the sulfosuccinic acid surfactants imidosuccinate, mono-Na-sulfosuccinic acid diisobutyl ester (Monawet MB ^® 45), mono-sodium sulfosuccinic acid di-octyl ester (Monawet MO ^® 84 R2W, Rewopol SB ^® DO 75), mono-sodium sulfosuccinic di-t ridecylester (Monawet ^® MT 70) Fettalkoholpolyglykolsulfosuccinat-Na-NH ₄ salt (sulfosuccinate S-2), di-sodium sulfosuccinic acid mono-C _{12 /} i ₄ 3EO ester (Texapon ^® SB-3), Natruimsulfobernsteinsäurediisooctylester (Texin DOS 75 ^®) and di-sodium sulfosuccinic acid mono-C _{12 /} i ₈ ester (Texin ^® 128 P). As additives suitable nonionic surfactants are in particular C ₁₀ dimethyl amine oxide (Ammonyx ^® DO), C _{10 /} i ₄ fatty alcohol + 1, + 2PO 6,4EO (Dehydol ^® 980), Cw fatty alcohol + 6 EO (Dehydol ^® LS6), C ₈ fatty alcohol + 1, + 2PO 9EO (Dehydol ^® O10), d∞o- guerbet alcohol + 8EO, n-butyl-closed (Dehypon ^® G2084), mixture of several n-butyl-sealed nonionic surfactants and C ₈₇₁₀ APG (Dehypon ^® Ke 2555) C _8/10 - fatty alcohol + 1 PO + 22EO- (2-hydroxydecyl) ether (Dehypon Ke ^® 3447), C _{12 n-T} fatty alcohol + 5EO + 4PO (Dehypon LS ^® 54 G), ₁₂ C _/ i ₄ fatty alcohol + 5EO + 3PO, methyl closed (Dehypon LS 531 ^®), C ₁₂ / i ₄ fatty alcohol + 10EO, n-butyl closed (Dehypon LS ^® 104 L), Cn-oxo-alcohol + δEO (Genapol ^® UD 088 ), C ₁₃ -oxoalcohol + 8EO (Genapol ^® X 089), C _13/15 fatty alcohol-EO adduct, n-butyl closed (Plurafac LF ^® 221), and alkoxylated fatty alcohol (Tegotens ^® EC-11).

Cationic surfactants suitable as additives are, in particular, cationic surfactants compatible with anionic surfactants, such as quaternary ammonium compounds, for example

Cocospentaethoxymethylammonium methosulfate (INCI PEG-5 Cocomonium Methosulfate;

Rewoquat ^® CPEM).

Polymers suitable as additives are, in particular, maleic acid-acrylic acid copolymer

Na salt (Sokalan ^® CP 5), modified polyacrylic acid Na salt (Sokalan CP 10 ^®), modified polycarboxylate Na salt (Sokalan ^® HP 25) polyalkylene oxide-modified

Heptamethyltrisiloxane (Silwet ^® L-77), polyalkylene oxide-modified heptamethyltrisiloxane

(Silwet ^® L-7608) and polyethersiloxanes (copolymers of polymethylsiloxanes with

Ethylene oxide / propylene oxide segments (polyether)), preferably water-soluble linear polyether having terminal polyether as Tegopren ^® 5840,

Tegopren® ^® 5843, Tegopren® ^® 5847, Tegopren® ^® 5851, Tegopren® ^® 5863 or Tegopren® ^®

5878th

Builders suitable as additives are in particular polyaspartic acid sodium

Saiz, Ethylendiamintriacetatkokosalkylacetamid (Rewopol ^® CHT 12)

Methylglycine-Tri-Na-salt (Trilon ES ^® 9964) and acetophosphonic

(Turpinal SL ^®).

Blends with surfactant or polymeric additives show in the case of Monawet ^®

MO-84 R2W, Tegopren® ^® 5843 and Tegopren® ^® 5863 synergism. The use of

However, Tegopren grades 5843 and 5863 are designed for use on hard surfaces

Glass, especially glassware, less preferred because these silicone surfactants can raise to glass.

In a particular embodiment of the invention, the additives mentioned are dispensed with.

viscosity

The favorable for the inventive agent viscosity is 20 ⁰ C and a

Shear rate of 30 min ^-1 - measured with a viscometer of the type Brookfield LV DV II and spindle 31 - in the range of 10 to 5,000 mPa · s, preferably 50 to 2,000 mPa · s, in particular 100 to 1,00O mPa · S, particularly preferably 200 to 800 mPa · s, more preferably 300 to 700 mPa · s, for example 300 to 400 mPa · s.

The viscosity of the composition according to the invention can - especially at a low

Surfactant content of the agent - increased by thickening agents and / or - especially at a high surfactant content of the agent - are reduced by the water-soluble inorganic salts contained and by solvents.

thickener

For thickening, the composition according to the invention may additionally contain one or more polymeric thickeners.

For the purposes of the present invention, polymeric thickeners are the polycarboxylates which thicken as polyelectrolytes, preferably homopolymers and copolymers of acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and the polysaccharides, in particular heteropoly-saccharides, and also other customary thickening polymers ,

Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar gum, tragacanth, gellan, Ramzan, dextran or xanthan and their derivatives, e.g. propoxylated guar, as well as their mixtures. Other polysaccharide thickeners, such as starches or cellulose derivatives, may be used alternatively, but preferably in addition to a polysaccharide gum, for example starches of various origins and starch derivatives, e.g. Hydroxyethyl starch, starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl, hydroxypropyl, hydroxypropyl methyl or hydroxyethyl methyl cellulose or cellulose acetate.

A preferred polymeric thickener is the microbial anionic heteropolysaccharide xanthan gum, which is produced by Xanthomonas campestris and some other species under aerobic conditions with a molecular weight of 2-15 * 10 ⁶ and is commercially available for example from the company. Kelco under the trade name Keltrol ^®, eg as cream-colored powder Keltrol ^® T (transparent) or as white granules Keltrol ^® RD (Readily Dispersable).

Acrylic acid polymers suitable as polymeric thickeners are, for example, high molecular weight homopolymers of acrylic acid crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene (INCI Carbomer), which are also referred to as carboxyvinyl polymers. Such polyacrylic acids are obtainable inter alia from Fa. BFGoodrich under the tradename Carbopol ^®, such as Carbopol ^® 940 (molecular weight about 4,000,000), Carbopol ^® 941 (molecular weight approximately 1,250,000) or Carbopol ^® 934 (molecular weight approximately 3,000. 000). Particularly suitable polymeric thickeners are copolymers of acrylic acid but the following: (i) copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably with Ci _-4 alkanols formed, esters (INCI Acrylates Copolymer), to which about the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate (CAS 25035-69-2) or of butyl acrylate and methyl methacrylate (CAS 25852-37-3) and for example from Messrs. Rohm & Haas under the trade names Aculyn ^® and Acusol ^® are available, for example the anionic non-associative polymers Aculyn ^® 33 (crosslinked), Acusol ^® 810 and Acusol ^® 830 (CAS 25852-37-3); (ii) crosslinked high molecular weight acrylic acid copolymers, such as those crosslinked with an allyl ether of sucrose or pentaerythritol copolymers of C _1o-3 o-alkyl acrylates with one or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably d. _4- alkanols formed esters (INCI acrylates / C 10-30 alkyl acrylate crosspolymer) and which are available, for example, from the company BFGoodrich under the trade name Carbopol ^® , eg the hydrophobic Carbopol ^® ETD2623 and Carbopol ^® 1382 (INCI Acrylates / C 10-30 alkyl acrylate Crosspolymer) and Carbopol AQUA ^® 30 (formerly Carbopol ^® EX 473).

The content of polymeric thickener is usually not more than 8% by weight, preferably between 0.1 and 7% by weight, more preferably between 0.5 and

6 wt .-%, in particular between 1 and 5 wt .-% and most preferably between 1, 5 and 4 wt .-%, for example between 2 and 2.5 wt .-%.

In a preferred embodiment of the invention, however, the agent is free of polymeric thickeners.

Dicarboxylic acids (salts)

To stabilize the composition of the invention, particularly at high surfactant content, one or more dicarboxylic acids and / or their salts are added, particularly to a composition of Na salts of adipic, glutaric and succinic acid, for example, under the trade name Sokalan ^® DSC is available. The use is advantageously carried out in amounts of 0.1 to 8 wt .-%, preferably 0.5 to

7 wt .-%, in particular 1, 3 to 6 wt .-% and particularly preferably 2 to 4 wt .-%. A change in the dicarboxylic acid (salt) content can - especially in amounts above 2 wt .-% - contribute to a clear solution of the ingredients. Also, within certain limits, influencing the viscosity of the mixture by this means is possible. Furthermore, this component influences the solubility of the mixture. This component is particularly preferably used at high surfactant contents, in particular at surfactant contents above 30 wt .-%.

However, if it is possible to dispense with their use, the agent according to the invention is preferably free from dicarboxylic acid (salts).

Auxiliaries and additives

In addition, possible to use one or more further - especially in hand dishwashing detergents and cleaning agents for hard surfaces - conventional auxiliaries and additives, in particular UV stabilizers, perfumes, pearlescent agents (INCI opacifying agents, for example glycol distearate, for example Cutina ^® AGS from Cognis, respectively. this containing mixtures, for example the Euperlane ^® Fa. Cognis), dyes, corrosion inhibitors, preservatives (for example, the technical referred to as bronopol 2-bromo-2-nitropropane-1, 3-diol (CAS 52-51-7), the available commercially for example as Myacide ^® BT or as Boots Bronopol BT from Boots is), organic salts, disinfectants, enzymes, pH-adjusting agents and skin feel-improving or caring additives (eg dermatologically effective substances, such as vitamin A, vitamin B2, vitamin B12 , Vitamin C, Vitamin E, D-Panthenol, Sericerin, Collagen Partial Hydrolyzate, Various Vegetable Protein Partial Hydrolyzates, Protein Hydrolyzate-F acid condensates, liposomes, cholesterol, vegetable and animal oils such as lecithin, soybean oil, etc., plant extracts such as aloe vera, azulene, witch hazel extracts, algae extracts, etc., allantoin, AHA complexes), in amounts of usually not more than Be contained 5 wt .-%.

PH value

The pH of the agent according to the invention can be adjusted by means of customary pH regulators, for example acids such as mineral acids or citric acid and / or alkalis such as sodium or potassium hydroxide, wherein - in particular with the desired hand tolerance - a range from 4 to 9, preferably 5 to 8, in particular 5.5 to 7.5, is preferred.

For adjusting and / or stabilizing the pH, the agent according to the invention may contain one or more buffer substances (INCI Buffering Agents), usually in amounts of 0.001 to 5 wt .-%, preferably 0.005 to 3 wt .-%, in particular 0 , 01 to 2 wt .-%, particularly preferably 0.05 to 1 wt .-%, most preferably 0.1 to 0.5 wt .-%, for example, 0.2 wt .-%. Preference is given to buffer substances which are at the same time complexing agents or even chelating agents (INCI chelating agents). Particularly preferred buffer substances are the citric acid or the citrates, in particular the sodium and potassium conduction rates, for example trisodium citrate 2 H ₂ O and tripotassium citrate H ₂ O.

manufacturing

The agent according to the invention can be prepared by stirring the individual components together in any order. The order of attachment is not critical to the preparation of the agent.

Preferably, in this case water, surfactants and optionally further of the aforementioned ingredients are stirred together. If perfume and / or dye are used, then their addition to the resulting solution. Subsequently, the pH is adjusted as described above.

use

The composition according to the invention can be used for cleaning hard surfaces, in particular for manual cleaning of dishes. Due to the contained surfactant combination, it is characterized by a good flow and drying behavior, thanks to the salts contained, the viscosity is adjusted so that the agent is easy to dose and generally easy to handle.

In one embodiment, the composition according to the invention for use in the form of a foam should be applied either directly to the surface to be cleaned or to a sponge, a cloth, a brush or another, optionally moistened, cleaning aid. For generating foam in a special way, a manually activated spray dispenser, in particular selected from the group comprising aerosol spray dispenser, self-pressure spray dispenser, pump spray dispenser and trigger spray dispensers, in particular pump foam dispenser, as for example from the company Airspray, the company Taplast, the company Keltec or the Daiwa Can Company. In addition to trigger bottles, pump spray dispensers and trigger spray dispensers with a polyethylene, polypropylene or polyethylene terephthalate container are also suitable. Such trigger bottles are offered for example by the company Afa-Polytec. The spray head is preferably equipped with a foam nozzle. In addition, the agent may also be added with the addition of a suitable propellant (eg n-butane, a propane / butane mixture, carbon dioxide, nitrogen or a CO ₂ / N ₂ mixture). be filled into a corresponding aerosol spray bottle. However, such a spray dispenser is less preferred.

Accordingly, the agent according to the invention in the form of a product from the agent according to the invention and a spray or foam dispenser, in particular pump foam dispenser, be placed on the market.

Examples

Various formulations were prepared, to which a water-soluble salt was added to lower the viscosity. The quantities are in wt .-%. The hand dishwashing detergents obtained were stable, pourable and readily dosed and had good cleaning, drainage and drying behavior.

Na C _12-14 fatty alcohol ether sulfate 2 EO 14.67 25.33

Na C _14-17 sec alkane sulfonate 3.67 6.33

C -i ₈ ₈ 3.39 5.86 -Alkyldimethylamidopropylbetain

Ethanol ~ 6.0

Sodium chloride 5.0 1.5

Sodium hydroxide 0.025 0.09

Preservative 0.1 ~

Dye 0.012 0.012

Perfume 0.30 0.40

Water ad 100 ad 100

pH 7.0 7.0

Viscosity (Brookfield LVDV II +, 20 ⁰ C, 450 mPas 650 mPas 30 ^{min -1,} spindle no. 31, concentration 100%

Claims

claims

1. Aqueous cleaning agent for hard surfaces, in particular hand dishwashing detergents, comprising a surfactant combination comprising a) at least one alkyl ether sulfate, b) at least one secondary alkanesulfonate and c) at least one betaine, characterized in that the agent further comprises one or more water-soluble salts to lower the viscosity contains.

2. Composition according to claim 1, characterized in that the ratio a): b): c) is preferably 5: 2: 1 to 3: 1: 1.

3. An agent according to claims 1 or 2, characterized in that the alkyl ether sulphate used is preferably a C _8- i ₈ alkyl ether, more preferably a C _10- i ₆ alkyl ether, and most preferably a C ₁₂ - _I4 - alkyl ether sulphate is and 1 to 10, preferably 2 to 4, in particular 2 ethylene oxide (EO) - and / or propylene oxide (PO) units.

4. Composition according to one of claims 1 to 3, characterized in that it contains 10 to 40 wt .-%, preferably 13 to 35 wt .-%, in particular 15 to 30 wt .-% alkyl ether sulfate.

5. Composition according to one of claims 1 to 4, characterized in that the sec. Alkane sulfonate preferably has an alkyl radical having 6 to 22, more preferably 9 to 20, especially 1 1 to 18 and most preferably 14 to 17 carbon atoms.

6. Composition according to one of claims 1 to 5, characterized in that it is 1 to 15 wt .-%, preferably 3 to 10 wt .-%, in particular 4 to 8 wt .-% sec. Alkanesulfonate contains.

7. Composition according to one of claims 1 to 6, characterized in that it contains 1 to 15 wt .-%, preferably 3 to 10 wt .-%, in particular 4 to 8 wt .-% betaine.

8. Composition according to one of claims 1 to 7, characterized in that it contains 0.1 to 10 wt .-%, preferably 0.5 to 7 wt .-%, particularly preferably 0.8 to 5 wt .-% of at least one contains water-soluble salt.

9. Composition according to one of claims 1 to 8, characterized in that the water-soluble salt is an inorganic and / or an organic salt.

10. Composition according to one of claims 1 to 8, characterized in that the water-soluble salt is an inorganic salt.

11. A composition according to any one of claims 9 or 10, characterized in that the inorganic salt is preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates, and / or oxides of the alkali metals, the alkaline earth metals, the aluminum and / or the transition metals and ammonium salts.

12. A composition according to claim 11, characterized in that the inorganic salt is more preferably selected from the group comprising sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures thereof.

13. Composition according to claim 9, characterized in that the organic salt is preferably selected from the group comprising colorless water-soluble alkali metal, alkaline earth metal, ammonium, aluminum and / or transition metal salts of the carboxylic acids, in particular those selected from the group comprising formate, Acetate, propionate, citrate, malate, tartrate, succinate, malonate, oxalate, lactate and mixtures thereof

14. Composition according to one of claims 1 to 13, characterized in that it contains one or more solvents, preferably selected from the group comprising methanol, ethanol, propanol, isopropanol, ethylene glycol, propylene glycol and mixtures thereof.

15. Composition according to one of claims 1 to 14, characterized in that it contains one or more further components, preferably selected from the group comprising surfactants, additives, thickeners, UV stabilizers, perfume, pearlescing agents, dyes, corrosion inhibitors, preservatives, organic Salts, disinfectants, enzymes, pH adjusters, skin feel improving or conditioning additives, and mixtures thereof.

16. Use of a water-soluble salt for setting a lower viscosity in hard surface cleaners which contain a surfactant combination of alkyl ether sulfate, secondary alkanesulfonate and betaine and have a high surfactant concentration, in particular a high alkyl ether sulfate concentration.

17. Use according to claim 16, characterized in that the water-soluble salt is an inorganic and / or organic salt, preferably an inorganic salt.

18. Use according to claim 17, characterized in that the inorganic salt is preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, Nitrites, phosphates and / or oxides of alkali metals, alkaline earth metals, aluminum and / or transition metals and ammonium salts, the chlorides and sulfates of sodium and potassium are particularly preferred.

19. A process for reducing the viscosity of high-surfactant, especially high alkyl ethersulfathaltiger hard surface cleaning agents with a surfactant combination of alkyl ether sulfate, secondary alkanesulfonate and betaine, characterized in that the agents one or more water-soluble salts are added.

20. The method according to claim 19, characterized in that the water-soluble salt is an inorganic and / or organic salt, preferably an inorganic salt.

21. The method according to claim 20, characterized in that the inorganic salt is preferably selected from the group comprising colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates and / or oxides of alkali metals, alkaline earth metals, aluminum and / or the transition metals and ammonium salts, in particular from the group comprising sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures thereof.

22. Use of an aqueous cleaning agent according to any one of claims 1 to 15 for cleaning hard surfaces, in particular dishes.