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EP0199195A2 - Multiple use detergent for hard surfaces - Google Patents

Multiple use detergent for hard surfaces Download PDF

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Publication number
EP0199195A2
EP0199195A2 EP86104894A EP86104894A EP0199195A2 EP 0199195 A2 EP0199195 A2 EP 0199195A2 EP 86104894 A EP86104894 A EP 86104894A EP 86104894 A EP86104894 A EP 86104894A EP 0199195 A2 EP0199195 A2 EP 0199195A2
Authority
EP
European Patent Office
Prior art keywords
agents
cleaning
surfactants
water
anionic surfactants
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86104894A
Other languages
German (de)
French (fr)
Other versions
EP0199195B1 (en
EP0199195A3 (en
Inventor
Klaus Dr. Schumann
Ortburg Guirr
Paul Dr. Schulz
Franz Dr. Förg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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Filing date
Publication date
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Priority to AT86104894T priority Critical patent/ATE67238T1/en
Publication of EP0199195A2 publication Critical patent/EP0199195A2/en
Publication of EP0199195A3 publication Critical patent/EP0199195A3/en
Application granted granted Critical
Publication of EP0199195B1 publication Critical patent/EP0199195B1/en
Anticipated expiration legal-status Critical
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Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/37Mixtures of compounds all of which are anionic
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88Ampholytes; Electroneutral compounds
    • C11D1/94Mixtures with anionic, cationic or non-ionic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0013Liquid compositions with insoluble particles in suspension
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29Sulfates of polyoxyalkylene ethers
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88Ampholytes; Electroneutral compounds
    • C11D1/90Betaines

Definitions

  • the invention relates to aqueous, liquid, scaffold-free, suspension-stable multi-purpose cleaning agents for hard surfaces, which act as abrasive or polishing agents when applied undiluted to hard surfaces, but depending on the degree of dilution with tap water, such as typical water-soluble, manually applicable dishwashing agents or non-abrasive All-purpose detergent for hard surfaces.
  • Liquid, dishwashing detergents that can be used manually and mostly at slightly elevated temperatures essentially contain, as active ingredients, mixtures of synthetic anionic surfactants in amounts of about 4 to 60% by weight and, if appropriate, small amounts of nonionic surfactants, preferably alkanolamides or amphoteric surfactants, and also solvents, solubilizers, hydrotropic substances, fragrances and dyes, preservatives, agents for viscosity adjustment, for pH adjustment and electrolytes.
  • the pH is around 5.5 to 8.0. Under certain circumstances, but this is not typical, they can still contain small amounts of builders or complexing agents such as hexametaphosphate or ethylenediaminetetraacetate for use in areas with a high iron content. However, they do not contain abrasives. Such means are known for example from European patent 36 625.
  • All-purpose cleaning agents i.e. agents for cleaning various hard surfaces in the home and in commercial premises, preferably contain combinations of anionic and nonionic surfactants in a total amount of about 5 to 15% by weight as well as cleaning-enhancing framework substances in amounts of about 0.5 to 5% by weight.
  • Solvents including terpene compounds, are usually added as further cleaning-enhancing constituents, and polyethylene glycols of the general formula HO- (CH2-CHZ-O) "H, where n can vary between 4,800 and 64,600, are added to increase the cleaning performance as organic polymers.
  • Agents are also made up with dyes and fragrances, electrolytes and viscosity regulators, and their pH is preferably in the range from 8.5 to 11, since the cleaning power, which must be used with these agents predominantly at room temperature, in general in an alkaline medium
  • Such all-purpose cleaning agents are also known, for example, from German patent specification 27 09 690 or from the corresponding European patent specification 9 193. There is no provision for abrasive substances.
  • Mild abrasives can also be used to clean mobile and immobile hard surfaces such as walls, tiles, cooking appliances, sinks and the like.
  • the latter can be solid, liquid or pasty. They contain relatively small amounts of surfactants, but relatively high concentrations of - weakly alkaline inorganic builders.
  • the abrasives contain a large amount of water-insoluble abrasives, such as feldspar, silica or pumice.
  • Liquid cleaning agents free of scaffolding which can be used on the one hand as abrasive cleaners and on the other hand as hand dishwashing detergent, i.e. in two ways, and 20 to 35% by weight of anionic surfactants, 2 to 15% by weight - foam-stabilizing nonionic surfactants, 1 to 20% by weight % water-insoluble abrasives with a particle diameter of 15 to 150 ⁇ m and a Mohs hardness of 2 to 7 and 20 to 75% by weight of water are already known from European patent application 21 545.
  • the two different anionic surfactants can contain, preferably together with nonionic surfactants, but also necessarily have a proportion of builders, are described in Canadian Patent 1,143,240.
  • these agents foam too much and therefore require extensive wiping with wet sponge cloths to prevent residues from being formed by the abrasive particles.
  • the present invention relates to scaffold-free, liquid, suspension-stable multi-purpose cleaning agents for hard surfaces, which contain abrasives, water and a surfactant base from mixtures of anionic surfactants or anionic surfactants and amphoteric surfactants and have a pH of 5.5 to 9.5, and their use as dishwashing detergents -, all-purpose cleaning, scouring and / or polishing agents.
  • the preferred anionic surfactants used are synthetic surfactants, namely, as is customary in manual dishwashing detergents, at least two different ones, in particular those of the sulfonate and sulfate type.
  • the surfactants of the sulfonate type are primarily the alkylbenzenesulfonates with Cg -C, 5 -, preferably C 12 -C, 5 -alkyl groups and preferably alkanesulfonates consisting of C 12 -C 18 -, preferably C,.
  • -C 16 alkanes are obtainable by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins, and the C, -C "-, preferably C 12 -C 18 -olefin sulfonates, which are mixtures of the corresponding alkene and Hydroxyalkanesulfonates and disulfonates, such as are obtained, for example, from monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline and acidic hydrolysis of the sulfonation products Methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • Particularly suitable surfactants of the sulfate type are the sulfuric acid monoesters of primary alcohols of natural and synthetic origin, ie of fatty alcohols such as. B. Coconut fatty alcohols. Tallow fatty alcohols, oleyl alcohol, or the C 10 -C 20 oxo alcohols, and those of secondary alcohols of these chain lengths.
  • the sulfuric acid monoesters of the aliphatic primary alcohols ethoxylated with 1 to 6 moles of ethylene oxide or ethoxylated secondary alcohols or alkylphenols are suitable.
  • Sulfated fatty acid alkanolamides and sulfated fatty acid monoglycerides are also suitable.
  • anionic surfactants are preferably used in the form of the salts, in particular in the form of the sodium salts, but also as potassium or ammonium salts or as soluble salts of organic bases, such as mono-, di- or triethanolamine.
  • These agents can also contain 0 to 15, preferably 0.5 to 5 and in particular 1 to 2% by weight of amphoteric surfactants.
  • Suitable amphoteric surfactants are those which contain both acidic groups such as. B. carboxyl, sulfonic acid, sulfuric acid half-ester, phosphonic acid and phosphoric acid partial ester groups, as well as basic groups, such as. B. contain primary, secondary, tertiary and quaternary ammonium groups.
  • Amphoteric compounds with quaternary ammonium groups belong to the type of betaines or zwitterionic surfactants. These are in particular derivatives of aliphatic quaternary ammonium compounds in which one of the aliphatic radicals consists of a C s -C, s radical and another contains an anionic carboxy, sulfo or sulfato group which makes water soluble.
  • Typical representatives of such surface-active betaines are, for example, the compounds 3- (N-hexadecyl-N, N-dimethylammonio) propane sulfonate, 3- (N-tallow alkyl N, N-dimethylammonio) -2-hydroxypropane sulfonate, 3- ( N-hexadecyl-N, N-bis (2-hydroxyethyl) -ammonio) -2-hydroxypropyl sulfate, 3- (N-cocoalkyl-N, N-bis (2,3-dihydroxypropyl) -ammonio) propane sulfonate, N-tetradecyl -N, N-dimethyl-ammonioacetate, N-hexadecyl-N, N-bis (2,3-dihydroxypropyl) ammonium acetate.
  • C, 2-C, a -Acylamidopropyldimethylammonium betaines are
  • the total surfactant content is preferably 10 to 35% by weight, in particular 15 to 25% by weight.
  • the preferred weight ratio of anionic surfactants to amphoteric surfactants is 20: 1 to 1: 1, in particular 15: 1 to 1: 1 and very preferably 8: 1 to 1: 1.
  • all water-insoluble substances which have an average particle diameter of 5 to 100, preferably 5 to 50 and in particular 5 to 15 ⁇ m can be used as abrasive substances.
  • Combinations of are particularly preferred for varying the abrasive effect Abrasive silicas for the toothbrush industry such as B. in the "Technical Information", Degussa, on Sident (R) 12, Sident (R) 12 DS and polishing clay, as described in the company brochure "Alumina / Polishing Clay", Giulini-Chemie.
  • Suitable polishing clays are e.g. B. in the company brochure of Giulini-Chemie under the type designation P 205, CTS FG, P 10 finest, PS finest, P999 finest and P200 finest, described.
  • the very finely divided abrasives which are no longer scouring and are therefore also referred to as "cleaning bodies", can be used to produce particularly gentle scouring agents which, in the undiluted state, can also be used advantageously for polishing sensitive metal surfaces.
  • the abrasive substances are preferably used in amounts of 5 to 20, in particular 10 to 15,% by weight, based on the total agent.
  • Suitable viscosity regulators are: water-soluble neutral salts, such as. B. NH.CI or NaCI, thickening silicas, e.g. B. Sipernat 22S ( R ) from Degussa, polyethylene glycols with MG 200 to 4 x 10 6 , organic polymers such as polyacrylates, xanthan gum, cellulose and starch derivatives, and inorganic layered silicates, eg. B. bentonite.
  • water-soluble neutral salts such as. B. NH.CI or NaCI
  • thickening silicas e.g. B. Sipernat 22S ( R ) from Degussa
  • organic polymers such as polyacrylates, xanthan gum, cellulose and starch derivatives
  • inorganic layered silicates eg. B. bentonite.
  • solvents and solubilizers known per se such as the water-soluble organic solvents, in particular low molecular weight aliphatic alcohols having 1 to 4 carbon atoms such as methanol, ethanol, isopropanol, ethylene glycol, propylene glycol and glycerol, and furthermore, as solubilizers, those with boiling points above 75 ° C, such as the ethers of the same or different types of polyvalent alcohols. get or the partial ether from polyhydric alcohols.
  • solvents and solubilizers known per se such as the water-soluble organic solvents, in particular low molecular weight aliphatic alcohols having 1 to 4 carbon atoms such as methanol, ethanol, isopropanol, ethylene glycol, propylene glycol and glycerol, and furthermore, as solubilizers, those with boiling points above 75 ° C, such as the ethers of the same or different types of polyvalent alcohols. get or the partial ether from polyhydric alcohol
  • ketones such as acetone, methyl ethyl ketone and aliphatic, cycloaliphatic, aromatic and chlorinated hydrocarbons.
  • hydrotropic substances of the low molecular weight alkylarylsulfonate type which include, for example, toluene, xylene or cumene sulfonate, are suitable as viscosity regulators and thus as solubilizers. They can be in the form of their sodium and / or potassium and / or alkylamino salts.
  • the viscosity of the agents according to the invention is adjusted on a laboratory scale and the corresponding constituents and their amounts are then transferred to the actual manufacturing process.
  • the amounts of the viscosity regulators are approximately between 0 to 10, preferably 2 to 6,% by weight, based on the total agent.
  • fat solvents namely commercially available terpene compounds, preferably with a citrus-like fragrance such as. B. limonene as terpene hydrocarbon or pine oil as terpene alcohol and / or of glycol ethers with a high molecular weight of greater than 200,000 to 4 x 10 6 , which not only have a viscosity-regulating effect on the liquid, abrasive-containing cleaning agents themselves, but also, in particular, the fat emulsification and support the detachment of dirt.
  • the fat solvents are added in amounts of 0 to 4, preferably 0.3 to 1,% by weight, based on the total agent.
  • the polyethylene glycols used according to the invention have the general formula HO (-CH 2 -CH 2 -O) n H, where n can vary between 4,800 and 64,600. Such polymers are also commercially available and z. B. from Union Carbide Corporation (UCC) under the name "POLYOX (R) ".
  • the cleaning agents can contain additives of colors and fragrances, preservatives and, if desired, antimicrobial agents of any kind.
  • the pH of the agents according to the invention is 5.5 to 9.5, preferably 6.0 to 7.5.
  • Suitable pH-regulating agents are customary inorganic or organic acids or acid salts, such as hydrochloric acid, sulfuric acid, bisulfates of alkalis, aminosulfonic acid, phosphoric acid or other acids of phosphorus, in particular the anhydrous acids of phosphorus or their salts or their salts acidic solid compounds with urea or other lower carboxamides, partial amides of phosphoric acids or anhydrous phosphoric acid, citric acid, tartaric acid, lactic acid and the like.
  • Organic or inorganic compounds such as alkanolamines, namely mono-, di- or triethanolamine or ammonia, can also be added as basic substances.
  • alkaline builder substances for Setting a weakly alkaline pH is also alkaline builder substances and washing alkalis, such as.
  • sodium tripolyphoshate sodium carbonate and sodium bicarbonate, potassium carbonate and bicarbonate, sodium silicate and the sodium aluminosilicates are suitable.
  • the production can be carried out batchwise or continuously.
  • compositions of commercially available cleaning agents (A to E) for hard surfaces with / without abrasives and agents according to the invention.
  • Table 2 shows the results of the test methods characterized above.
  • a product consisting of 18% by weight of C 12-13 fatty alcohol ether sulfate, 4.0% by weight of C 12-14 alkyl dimethylamine oxide, 2% by weight of sulfobemic acid trisodium salt, 7% by weight of quartz powder (43 up to 105 ⁇ m), 2.5% by weight of Aerosil (R) 200 as suspension stabilizer, the rest being water, dyes, electrolytes and fragrances in accordance with EP 21 545.
  • R Aerosil
  • the agents produced according to the invention are also suitable for the care of tarnished metal surfaces (cutlery, jewelry etc.) and for cleaning plastic surfaces when using finely divided abrasive / polishing materials such as Sident (R) .
  • the surface protection is comparable to that which results from the mere use of water, ie there are no scratches visible to the eye.
  • the parts were cleaned by hand with a soft cloth and then rinsed with water. After drying, they were assessed visually by 5 people. The rating is defined in Table 3 below.

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Abstract

Substantially, builder-free, liquid, suspension-stable multipurpose cleaning preparations containing abrasives, a surfactant base of mixtures of anionic surfactants or anionic surfactants and amphoteric surfactants, and water, and having a pH-value of from 5.5 to 9.5. These preparations can be used for cleaning hard surfaces of all kinds and in particular can be used as dishwashing detergents, multipurpose cleaners, scouring preparations and/or polishes.

Description

Die Erfindung betrifft wäßrige, flüssige, gerüstsubstanzfreie, suspensionsstabile Mehrzweckreinigungsmittel für härte Oberflächen, die als Scheuer-oder Poliermittel wirken, wenn sie unverdünnt auf harte Oberflächen aufgetragen werden, sich jedoch je nach dem Verdünnungsgrad mit Leitungswasser wie typische wasserlösliche, manuell anwendbare Geschirrspülmittel oder wie nichtscheuernde Allzweckreinigungsmittel für harte Oberflächen verhalten.The invention relates to aqueous, liquid, scaffold-free, suspension-stable multi-purpose cleaning agents for hard surfaces, which act as abrasive or polishing agents when applied undiluted to hard surfaces, but depending on the degree of dilution with tap water, such as typical water-soluble, manually applicable dishwashing agents or non-abrasive All-purpose detergent for hard surfaces.

Flüssige, manuell und meist bei leicht erhöhten Temperaturen anwendbare Geschirreinigungsmittel enthalten als Wirkstoffe im wesentlichen Gemische synthetischer anionischer Tenside in Mengen von etwa 4 bis 60 Gew.-% sowie gegebenenfalls geringe Mengen an nichtionischen Tensiden, vorzugsweise Alkanolamide, oder Amphotenside, sowie Lösungsmittel, Lösungsvermittler, hydrotrope Substanzen, Duft-und Farbstoffe, Konservierungsmittel, Mittel zur Viskositätseinstellung, zur pH-Werteinstellung und Elektrolyte. Der pH-Wert liegt aus Hautschutzgründen bei etwa 5,5 bis 8,0. Unter Umständen können sie, was aber nicht typisch ist, für den Einsatz in Gegenden mit stark eisenhaltigem Wasser noch geringe Mengen an Gerüstsubstanzen oder Komplexbildnem wie Hexametaphosphat oder Ethylendiamintetraacetat enthalten. Abrasivstoffe enthalten sie jedoch nicht. Solche Mittel sind beispielsweise aus dem europäischen Patent 36 625 bekannt.Liquid, dishwashing detergents that can be used manually and mostly at slightly elevated temperatures essentially contain, as active ingredients, mixtures of synthetic anionic surfactants in amounts of about 4 to 60% by weight and, if appropriate, small amounts of nonionic surfactants, preferably alkanolamides or amphoteric surfactants, and also solvents, solubilizers, hydrotropic substances, fragrances and dyes, preservatives, agents for viscosity adjustment, for pH adjustment and electrolytes. For skin protection reasons, the pH is around 5.5 to 8.0. Under certain circumstances, but this is not typical, they can still contain small amounts of builders or complexing agents such as hexametaphosphate or ethylenediaminetetraacetate for use in areas with a high iron content. However, they do not contain abrasives. Such means are known for example from European patent 36 625.

Allzweckreinigungsmittel, das heißt Mittel zum Reinigen von diversen harten Oberflächen im Haushalt und in Gewerberäumen, enthalten als Wirkstoffe bevorzugt Kombinationen von anionischen und nichtionischen Tensiden in einer Gesamtmenge von etwa 5 bis 15 Gew.-% sowie reinigungsverstärkende Gerüstsubstanzen in Mengen von etwa 0,5 bis 5 Gew.-%. Als weitere reinigungsverstärkende Bestandteile werden meist Lösungsmittel, darunter auch Terpenverbindungen, und zur Steigerung der Reinigungsleistung als organische Polymere Polyethylenglykole der allgemeinen Formel HO-(CH2-CHZ-O)"H, wobei n zwischen 4 800 und 64 600 variieren kann, zugesetzt. Diese Mittel werden ebenfalls mit Farb-und Duftstoffen, Elektrolyten und Viskositätsreglem konfektioniert. Ihr pH-Wert liegt vorzugsweise im Bereich von 8,5 bis 11, da das Reinigungsvermögen, das bei diesen Mitteln überwiegend bei Raumtemperatur zur Geltung kommen muß, im alkalischen Milieu im allgemeinen besser ist als im neutralen oder sauren. Derartige Allzweckreinigungsmittel sind besipielsweise auch aus der deutschen Patentschrift 27 09 690 bzw. aus der entsprechenden europäischen Patentschrift 9 193 bekannt. Ein Gehalt an Abrasivstoffen ist nicht vorgesehen.All-purpose cleaning agents, i.e. agents for cleaning various hard surfaces in the home and in commercial premises, preferably contain combinations of anionic and nonionic surfactants in a total amount of about 5 to 15% by weight as well as cleaning-enhancing framework substances in amounts of about 0.5 to 5% by weight. Solvents, including terpene compounds, are usually added as further cleaning-enhancing constituents, and polyethylene glycols of the general formula HO- (CH2-CHZ-O) "H, where n can vary between 4,800 and 64,600, are added to increase the cleaning performance as organic polymers. These Agents are also made up with dyes and fragrances, electrolytes and viscosity regulators, and their pH is preferably in the range from 8.5 to 11, since the cleaning power, which must be used with these agents predominantly at room temperature, in general in an alkaline medium Such all-purpose cleaning agents are also known, for example, from German patent specification 27 09 690 or from the corresponding European patent specification 9 193. There is no provision for abrasive substances.

Für die Reinigung von mobilen und von immobilen harten Oberflächen wie Wänden, Kacheln, Kochgeräten, Spülbecken und dergleichen kann man auch milde Scheuermittel verwenden. Letztere können fest, flüssig oder pastös sein. Sie enthalten verhältnismäßig geringe Mengen an Tensiden, dafür aber relativ hohe Konzentrationen an - schwach alkalischen anorganischen Gerüstsubstanzen. Die Scheuermittel enthalten selbstverständlich eine große Menge an wasserunlöslichen Abrasivstoffen, beispielsweise Feldspat, Kieselerde oder Bimsstein.Mild abrasives can also be used to clean mobile and immobile hard surfaces such as walls, tiles, cooking appliances, sinks and the like. The latter can be solid, liquid or pasty. They contain relatively small amounts of surfactants, but relatively high concentrations of - weakly alkaline inorganic builders. Of course, the abrasives contain a large amount of water-insoluble abrasives, such as feldspar, silica or pumice.

In der Regel werden also für zwar verwandte, aber doch unterschiedliche Reinigungssektoren verschieden zusammengesetzte Reinigungsmittel angeboten und verwendet. Im Haushaltsalltag werden jedoch häufiger gerade manuell anwendbare Geschirreini gungsmittel auch zum Reinigen harter Oberflächen, insbesondere im Küchenbereich verwendet, wobei der Reinigungserfolg dann aber nicht optimal sein kann, wie vorstehend dargelegt wurde. Dabei ist es gleichgültig, ob die Geschirreinigungsmittel in konzentrierter oder verdünnter Form angewendet werden. Auch der umgekehrte Einsatz von handelsüblichen Allzweckreinigungsmitteln oder flüssigen Scheuermitteln zum manuellen Geschirrspülen führt naturgemäß zu unbefriedigenden Ergebnissen.As a rule, cleaning compositions with different compositions are offered and used for related but different cleaning sectors. In everyday household life, however, dishwashing agents that can be used manually are also more frequently used for cleaning hard surfaces, in particular in the kitchen area, but the cleaning success can then not be optimal, as was explained above. It does not matter whether the dishes are used in a concentrated or diluted form. The reverse use of commercially available all-purpose cleaning agents or liquid abrasives for manual dishwashing naturally also leads to unsatisfactory results.

Es bestand also das Bedürfnis nach einem Mehrbereichsreinigungsmittel, bei dem hohe Spülleistung und Hautfreundlichkeit mit dem hohen Emulgiervermögen der üblichen Allzweckreinigungsmittel und der Abrasivwirkung eines milden Scheuermittels vereint ist, das heißt, das bei vorzugsweise neutralem pH-Wert eine Reinigungsleistung aufweist, wie sie sonst nur bei alkalischen, gerüstsubstanzhaltigen Reinigungsmitteln auftritt.There was therefore a need for a multigrade cleaning agent that combined high rinsing performance and skin-friendliness with the high emulsifying power of conventional all-purpose cleaning agents and the abrasive effect of a mild abrasive, which means that, at a preferably neutral pH value, it has a cleaning performance that is otherwise only possible with alkaline detergent containing scaffolding occurs.

Gerüstsubstanzfreie flüssige Reinigungsmittel, die einerseits als Scheuermittel und andererseits als Handgeschirrspülmittel, also in zweifacher Weise, verwendet werden können und 20 bis 35 Gew.- % anionische Tenside, 2 bis 15 Gew.-% - schaumstabilisierende nichtionische Tenside, 1 bis 20 Gew.-% wasserunlösliche Abrasivstoffe mit einem Teilchendurchmesser von 15 bis 150 um und einer Mohs'schen Härte von 2 bis 7 sowie 20 bis 75 Gew.-% Wasser enthalten, sind bereits aus der europäischen Patentanmeldung 21 545 bekannt. Entsprechend verwendbare abrasivstoffhaltige Reinigungsmittel, die zwei verschiedene Aniontenside enthalten können, vorzugsweise zusammen mit nichtionischen Tensiden, daneben aber zwingend einen Anteil an Gerüstsubstanzen aufweisen, werden in der kanadischen Patentschrift 1 143 240 beschrieben. Für den Einsatz als Allzweckreinigungsmittel, der ja meist fernab einer Wasserquelle stattfindet, schäumen diese Mittel jedoch zu stark und erfordern daher zu aufwendiges Nachwischen mit feuchten Schwammtüchern, um Rückstandsbildungen durch die Abrasivstoffteilchen zu verhindern.Liquid cleaning agents free of scaffolding, which can be used on the one hand as abrasive cleaners and on the other hand as hand dishwashing detergent, i.e. in two ways, and 20 to 35% by weight of anionic surfactants, 2 to 15% by weight - foam-stabilizing nonionic surfactants, 1 to 20% by weight % water-insoluble abrasives with a particle diameter of 15 to 150 µm and a Mohs hardness of 2 to 7 and 20 to 75% by weight of water are already known from European patent application 21 545. Correspondingly usable cleaning agents containing abrasives, the two different anionic surfactants can contain, preferably together with nonionic surfactants, but also necessarily have a proportion of builders, are described in Canadian Patent 1,143,240. For use as an all-purpose cleaning agent, which usually takes place far away from a water source, these agents foam too much and therefore require extensive wiping with wet sponge cloths to prevent residues from being formed by the abrasive particles.

Aufgabe der Erfindung war es daher, eine neuartige, einzige Reinigungsmittelzusammensetzung bereitzustellen, die gezielt sowohl als Scheuermittel als auch als manuell anwendbares Geschirreinigungsmittel als auch als Allzweckreinigungsmittel sowie gegebenenfalls als Poliermittel verwendet werden kann.It was therefore the object of the invention to provide a novel, single cleaning agent composition which can be used specifically as an abrasive agent and also as a manual dishwashing agent as well as an all-purpose cleaning agent and optionally as a polishing agent.

Die vorliegende Erfindung betrifft gerüstsubstanzfreie, flüssige, suspensionsstabile Mehrzweckreinigungsmittel für harte Oberflächen, die Abrasivstoffe, Wasser und eine Tensidbasis aus Gemischen aus Aniontensiden oder Aniontensiden und Amphotensiden enthalten und einen pH-Wert von 5,5 bis 9,5 aufweisen, sowie ihre Verwendung als Geschirreinigungs-, Allzweckreinigungs-, Scheuer-und/oder Poliermittel.The present invention relates to scaffold-free, liquid, suspension-stable multi-purpose cleaning agents for hard surfaces, which contain abrasives, water and a surfactant base from mixtures of anionic surfactants or anionic surfactants and amphoteric surfactants and have a pH of 5.5 to 9.5, and their use as dishwashing detergents -, all-purpose cleaning, scouring and / or polishing agents.

Als Aniontenside werden vorzugsweise synthetische Tenside, und zwar, wie bei manuell anzuwendenden Geschirreinigungsmitteln üblich, mindestens zwei verschiedene gemeinsam eingesetzt, insbesondere solche vom Typ der Sulfonate und Sulfate.The preferred anionic surfactants used are synthetic surfactants, namely, as is customary in manual dishwashing detergents, at least two different ones, in particular those of the sulfonate and sulfate type.

Bei den Tensiden vom Sulfonattyp handelt es sich in erster Linie um die Alkylbenzolsulfonate mit Cg -C,5-, vorzugsweise C12 -C,5-Alkylgruppen und vorzugsweise um Alkansulfonate, die aus C12-C18-, vorzugsweise C,. -C16-Alkanen durch Sulfochlorierung oder Sulfoxidation und anschließende Hydrolyse bzw. Neutralisation oder durch Bisulfitaddition an Olefine erhältlich sind, sowie die C, -C"-, vorzugsweise C12 -C18-Olefinsulfonate, das sind Gemische aus den entsprechenden Alken-und Hydroxyalkansulfonaten sowie Disulfonaten, wie man sie beispielsweise aus Monoolefinen mit end-oder innenständiger Doppelbindung durch Sulfonieren mit gasförmigem Schwefeltrioxid und anschließender alkalischer und saurer Hydrolyse der Sulfonierungspro dukte erhält. Weitere brauchbare Tenside sind die Ester von Alpha-Sulfofettsäuren, z. B. alpha-sulfonierter Methyl-oder Ethylester der hydrierten Kokos-, Palmkern-oder Talgfettsäuren.The surfactants of the sulfonate type are primarily the alkylbenzenesulfonates with Cg -C, 5 -, preferably C 12 -C, 5 -alkyl groups and preferably alkanesulfonates consisting of C 12 -C 18 -, preferably C,. -C 16 alkanes are obtainable by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins, and the C, -C "-, preferably C 12 -C 18 -olefin sulfonates, which are mixtures of the corresponding alkene and Hydroxyalkanesulfonates and disulfonates, such as are obtained, for example, from monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline and acidic hydrolysis of the sulfonation products Methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.

Besonders geeignete Tenside vom Sulfattyp sind die Schwefelsäuremonoester von primären Alkoholen natürlichen und synthetischen Ursprungs, d. h. von Fettalkoholen, wie z. B. Kokosfettalkoholen. Talgfettalkoholen, Oleylalkohol, oder den C10-C20-Oxoalkoholen, und solche von sekundären Alkoholen dieser Kettenlängen. Daneben kommen die Schwefelsäuremonoester der mit 1 bis 6 Mol Ethylenoxid ethoxylierten aliphatischen primären Alkohole bzw. ethoxylierten sekundären Alkohole bzw. Alkylphenole in Betracht. Ferner geeignet sind sulfatierte Fettsäurealkanolamide und sulfatierte Fettsäuremonoglyceride.Particularly suitable surfactants of the sulfate type are the sulfuric acid monoesters of primary alcohols of natural and synthetic origin, ie of fatty alcohols such as. B. Coconut fatty alcohols. Tallow fatty alcohols, oleyl alcohol, or the C 10 -C 20 oxo alcohols, and those of secondary alcohols of these chain lengths. In addition, the sulfuric acid monoesters of the aliphatic primary alcohols ethoxylated with 1 to 6 moles of ethylene oxide or ethoxylated secondary alcohols or alkylphenols are suitable. Sulfated fatty acid alkanolamides and sulfated fatty acid monoglycerides are also suitable.

Alle diese anionischen Tenside werden bevorzugt in Form der Salze eingesetzt, insbesondere in Form der Natriumsalze, aber auch als Kalium-oder Ammoniumsalze oder als lösliche Salze organischer Basen, wie Mono-, Di-oder Triethanolamin.All of these anionic surfactants are preferably used in the form of the salts, in particular in the form of the sodium salts, but also as potassium or ammonium salts or as soluble salts of organic bases, such as mono-, di- or triethanolamine.

Diese Mittel können noch 0 bis 15, vorzugsweise 0,5 bis 5 und insbesondere 1 bis 2 Gew.-% Amphotenside enthalten.These agents can also contain 0 to 15, preferably 0.5 to 5 and in particular 1 to 2% by weight of amphoteric surfactants.

Geeignete Amphotenside sind solche, die im Molekül sowohl saure Gruppen, wie z. B. Carboxyl- , Sulfonsäure-, Schwefelsäurehalbester-, Phosphonsäure-und Phosphorsäureteilestergruppen, als auch basische Gruppen, wie z. B. primäre, sekundäre, tertiäre und quartäre Ammoniumgruppen enthalten. Amphotere Verbindungen mit quartären Ammoniumgruppen gehören zum Typ der Betaine oder zwitterionischen Tenside. Hierbei handelt es sich insbesondere um Derivate aliphatischer quaternärer Ammoniumverbindungen, in denen einer der aliphatischen Reste aus einem Cs-C,s-Rest besteht und ein weiterer eine anionische wasserlöslich machende Carboxy-, Sulfo-oder Sulfato-Gruppe enthält.Suitable amphoteric surfactants are those which contain both acidic groups such as. B. carboxyl, sulfonic acid, sulfuric acid half-ester, phosphonic acid and phosphoric acid partial ester groups, as well as basic groups, such as. B. contain primary, secondary, tertiary and quaternary ammonium groups. Amphoteric compounds with quaternary ammonium groups belong to the type of betaines or zwitterionic surfactants. These are in particular derivatives of aliphatic quaternary ammonium compounds in which one of the aliphatic radicals consists of a C s -C, s radical and another contains an anionic carboxy, sulfo or sulfato group which makes water soluble.

Typische Vertreter derartiger oberflächenaktiver Betaine sind beispielsweise die Verbingdungen 3-(N-Hexadecyl-N,N-dimethylam- monio)-propansulfonat, 3-(N-Talgalkyl-N,N-dimethy- lammonio)-2-hydroxypropansulfonat, 3-(N-Hexadecyl-N,N-bis(2-hydroxyethyl)-ammonio)-2-hydroxypropylsulfat, 3-(N-Kokosalkyl-N,N-bis(2,3-dihydroxypropyl)-ammonio)-propansulfonat, N-Tetradecyl-N,N-dimethyl-ammonioacetat, N-Hexadecyl-N,N-bis(2,3-dihydroxypropyl)-ammonioacetat. Bevorzugt eingesetzt werden C,2-C,a-Acylamidopropyldimethylammoniumbetaine.Typical representatives of such surface-active betaines are, for example, the compounds 3- (N-hexadecyl-N, N-dimethylammonio) propane sulfonate, 3- (N-tallow alkyl N, N-dimethylammonio) -2-hydroxypropane sulfonate, 3- ( N-hexadecyl-N, N-bis (2-hydroxyethyl) -ammonio) -2-hydroxypropyl sulfate, 3- (N-cocoalkyl-N, N-bis (2,3-dihydroxypropyl) -ammonio) propane sulfonate, N-tetradecyl -N, N-dimethyl-ammonioacetate, N-hexadecyl-N, N-bis (2,3-dihydroxypropyl) ammonium acetate. C, 2-C, a -Acylamidopropyldimethylammonium betaines are preferably used.

Der Gesamttensidgehalt beträgt vorzugsweise 10. bis 35, insbesondere 15 bis 25 Gew.-%. Bei Einsatz von Amphotensiden liegt das bevorzugte Gewichtsverhältnis von Aniontensiden zu Amphotensiden bei 20 : 1 bis 1 : 1, insbesondere bei 15 : 1 bis 1 : 1 und ganz bevorzugt bei 8 : 1 bis 1 : 1.The total surfactant content is preferably 10 to 35% by weight, in particular 15 to 25% by weight. When using amphoteric surfactants, the preferred weight ratio of anionic surfactants to amphoteric surfactants is 20: 1 to 1: 1, in particular 15: 1 to 1: 1 and very preferably 8: 1 to 1: 1.

Als Abrasivsubstanzen lassen sich prinzipiell alle wasserunlöslichen Substanzen einsetzen, die einen mittleren Teilchendurchmesser von 5 bis 100, vorzugsweise 5 bis 50 und insbesondere 5 bis 15 um aufweisen. Zur Variation der Abrasivwirkung werden bevorzugt besonders Kombinationen von Abrasivkieselsäuren für die Zahnputzindustrie wie z. B. in der "Technischen Information", Degussa, zu Sident (R) 12, Sident (R) 12 DS und Poliertonerden, wie in dem Firmenprospekt "Aluminiumoxid/Poliertonerde", Giulini-Chemie beschrieben, eingesetzt. Geeignete Poliertonerden sind z. B. im Firmenprospekt der Giulini-Chemie unter der Typenbezeichnung P 205, CTS FG, P 10 feinst, PS feinst, P999 feinst und P200 feinst, beschrieben. Mit den feinstteiligen Abrasivstoffen, die nicht mehr scheuem und daher auch als "Putzkörper" bezeichnet werden, können besonders schonend wirkende Scheuermittel hergestellt werden, die in unverdünntem Zustand auch vorteilhaft zum Polieren empfindlicher Metalloberflächen verwendet werden können. Die Abrasivsubstanzen werden vorzugsweise in Mengen von 5 bis 20, insbesondere 10 bis 15 Gew.-%, bezogen auf das gesamte Mittel, eingesetzt.In principle, all water-insoluble substances which have an average particle diameter of 5 to 100, preferably 5 to 50 and in particular 5 to 15 μm can be used as abrasive substances. Combinations of are particularly preferred for varying the abrasive effect Abrasive silicas for the toothbrush industry such as B. in the "Technical Information", Degussa, on Sident (R) 12, Sident (R) 12 DS and polishing clay, as described in the company brochure "Alumina / Polishing Clay", Giulini-Chemie. Suitable polishing clays are e.g. B. in the company brochure of Giulini-Chemie under the type designation P 205, CTS FG, P 10 finest, PS finest, P999 finest and P200 finest, described. The very finely divided abrasives, which are no longer scouring and are therefore also referred to as "cleaning bodies", can be used to produce particularly gentle scouring agents which, in the undiluted state, can also be used advantageously for polishing sensitive metal surfaces. The abrasive substances are preferably used in amounts of 5 to 20, in particular 10 to 15,% by weight, based on the total agent.

Zur Aufrechterhaltung einer guten Suspensionsstabilität der erfindungsgemäßen Mittel ist es erforderlich, diese auf Viskositätswerte von 2 000 bis 12 000, vorzugsweise 4 000 bis 6 000 mPas sec. (D = 5 s-1) einzustellen. Als Viskositätsregulatoren sind geeignet: wasserlösliche Neutralsalze, wie z. B. NH.CI oder NaCI, Verdickungskieselsäuren, z. B. Sipernat 22S(R) der firma Degussa, Polyethylenglykole mit MG 200 bis 4 x 106, organische Polymere wie Polyacrylate, Xanthangummi, Cellulose-und Stärkederivate, sowie anorganische Schichtsilikate, z. B. Bentonit.In order to maintain good suspension stability of the agents according to the invention, it is necessary to adjust them to viscosity values of 2,000 to 12,000, preferably 4,000 to 6,000 mPas sec. (D = 5 s- 1 ). Suitable viscosity regulators are: water-soluble neutral salts, such as. B. NH.CI or NaCI, thickening silicas, e.g. B. Sipernat 22S ( R ) from Degussa, polyethylene glycols with MG 200 to 4 x 10 6 , organic polymers such as polyacrylates, xanthan gum, cellulose and starch derivatives, and inorganic layered silicates, eg. B. bentonite.

Ebenso kann man dazu an sich bekannte Lösungsmittel und Lösungsvermittler einarbeiten, wie die wasserlöslichen organischen Lösungsmittel, insbesondere niedermolekulare aliphatische Alkohole mit 1 bis 4 Kohlenstoffatomen wie Methanol, Ethanol, Isopropanol, Ethylenglykol, Propylenglykol und Glycerin, weiterhin als Lösungsvermittler solche mit Siedepunkten oberhalb von 75 °C, wie beispielsweise die Ether aus gleich-oder verschiedenartigen mehrwertigen Alko- . holen oder die Teilether aus mehrwertigen Alkoholen. Hierzu gehören beispielsweise Di-oder Triethylenglykolpolyglycerine sowie die Teilether aus Ethylenglykol, Propylenglykol, Butylenglykol oder Glycerin mit aliphatischen, 1 bis 4 Kohlenstoffatome im Molekül enthaltenden einwertigen Alkoholen. Als wasserlösliche oder mit Wasser emulgierbare organische Lösungsvermittler kommen auch Ketone, wie Aceton, Methylethylketon sowie aliphatische, cycloaliphatische, aromatische und chlorierte Kohlenwasserstoffe in Betracht.It is also possible to incorporate solvents and solubilizers known per se, such as the water-soluble organic solvents, in particular low molecular weight aliphatic alcohols having 1 to 4 carbon atoms such as methanol, ethanol, isopropanol, ethylene glycol, propylene glycol and glycerol, and furthermore, as solubilizers, those with boiling points above 75 ° C, such as the ethers of the same or different types of polyvalent alcohols. get or the partial ether from polyhydric alcohols. These include, for example, di- or triethylene glycol polyglycerols and the partial ethers of ethylene glycol, propylene glycol, butylene glycol or glycerol with aliphatic monohydric alcohols containing 1 to 4 carbon atoms in the molecule. Also suitable as water-soluble or water-emulsifiable organic solubilizers are ketones, such as acetone, methyl ethyl ketone and aliphatic, cycloaliphatic, aromatic and chlorinated hydrocarbons.

Aber auch die sogenannten hydrotropen Stoffe vom Typ der niedermolekularen Alkylarylsulfonate, wozu beispielsweise Toluol-, Xylol-oder Cumolsulfonat gehören, sind als Viskositätsregulatoren und damit als Lösungsvermittler geeignet. Sie können in Form ihrer Natrium-und/oder Kalium-und/oder Alkylaminosalze vorliegen. Die Viskosität der erfindungsgemäß herge stellten Mittel wird im Labormaßstab eingestellt und die entsprechenden Bestandteile und ihre Mengen dann auf das eigentliche Herstellungsverfahren übertragen. Die Mengen der Viskositätsregulatoren liegen etwa zwischen 0 bis 10, vorzugsweise 2 bis 6 Gew.-%, bezogen auf das gesamte Mittel.However, the so-called hydrotropic substances of the low molecular weight alkylarylsulfonate type, which include, for example, toluene, xylene or cumene sulfonate, are suitable as viscosity regulators and thus as solubilizers. They can be in the form of their sodium and / or potassium and / or alkylamino salts. The viscosity of the agents according to the invention is adjusted on a laboratory scale and the corresponding constituents and their amounts are then transferred to the actual manufacturing process. The amounts of the viscosity regulators are approximately between 0 to 10, preferably 2 to 6,% by weight, based on the total agent.

Besonders vorteilhaft ist der Zusatz von sogenannten Fettlösern, nämlich von handelsüblichen Terpenverbindungen mit vorzugsweise zitrusfruchtartiger Duftnote wie z. B. Limonen als Terpenkohlenwasserstoff oder Pine Oil als Terpenalkohol und/oder von Glykolethem mit hohem Molekulargewicht von größer 200 000 bis 4 x 106, die nicht nur auch viskositätsregulierend auf die flüssigen, abrasivstoffhaltigen Reinigungsmittel selbst wirken, sondem bei ihrer Anwendung besonders die Fettemulgierung und die Schmutzablösung unterstützen. Hierdurch wird also in Kombination mit den anderen Rezepturbestandteilen bei konzentrierter Anwendung der Mittel eine verbesserte Entfernung von hartnäckigen hydrophoben Anschmutzungen erzielt. Die Fettlöser werden in Mengen von 0 bis 4, vorzugsweise 0,3 bis 1 Gew.-%, bezogen auf das gesamte Mittel, zugesetzt.It is particularly advantageous to add so-called fat solvents, namely commercially available terpene compounds, preferably with a citrus-like fragrance such as. B. limonene as terpene hydrocarbon or pine oil as terpene alcohol and / or of glycol ethers with a high molecular weight of greater than 200,000 to 4 x 10 6 , which not only have a viscosity-regulating effect on the liquid, abrasive-containing cleaning agents themselves, but also, in particular, the fat emulsification and support the detachment of dirt. In this way, in combination with the other recipe components, with concentrated use of the agents, an improved removal of stubborn hydrophobic soiling is achieved. The fat solvents are added in amounts of 0 to 4, preferably 0.3 to 1,% by weight, based on the total agent.

Die erfindungsgemäß eingesetzten Polyethylenglykole besitzen die allgemeine Formel HO(-CH2-CH2-O)nH, wobei n zwischen 4 800 und 64 600 variieren kann. Derartige Polymere sind auch im Handel erhältlich und werden z. B. von der Firma Union Carbide Corporation (UCC) unter dem Namen "POLYOX(R)" vertrieben.The polyethylene glycols used according to the invention have the general formula HO (-CH 2 -CH 2 -O) n H, where n can vary between 4,800 and 64,600. Such polymers are also commercially available and z. B. from Union Carbide Corporation (UCC) under the name "POLYOX (R) ".

Außerdem können die Reinigungsmittel Zusätze an Farb-und Duftstoffen, Konservierungsmitteln und gewünschtenfalls auch antimikrobiell wirksamen Mitteln beliebiger Art enthalten.In addition, the cleaning agents can contain additives of colors and fragrances, preservatives and, if desired, antimicrobial agents of any kind.

Der pH-Wert der erfindungsgemäßen Mittel beträgt 5,5 bis 9,5, vorzugsweise 6,0 bis 7,5. Zur pH-Wertregulierung eignen sich als saure Substanzen übliche anorganische oder organische Säuren oder saure Salze, wie beispielsweise Salzsäure, Schwefel säure, Bisulfate der Alkalien, Aminosulfonsäure, Phosphorsäure oder andere Säuren des Phosphors, insbesondere die anhydrischen Säuren des Phosphors bzw. deren Salze oder deren sauer reagierende feste Verbindungen mit Harnstoff oder anderen niederen Carbonsäureamiden, Teilamide der Phosphorsäuren oder der anhydrischen Phosphorsäure, Citronensäure, Weinsäure, Milchsäure und dergleichen. Als basische Substanzen können auch organische-oder anorganische Verbindungen wie Alkanolamine, nämlich Mono-, Di-oder Triethanolamin oder Ammoniak zugesetzt werden. Zur Einstellung eines schwach alkalischen pH-Wertes sind ferner alkalisch reagierende Builder-Substanzen und Waschalkalien, wie z. B. Natriumtripolyphoshat, Natriumcarbonat und Natriumbicarbonat, Kaliumcarbonat und -bicarbonat, Natriumsilikät sowie die Natriumalumosilikate geeignet.The pH of the agents according to the invention is 5.5 to 9.5, preferably 6.0 to 7.5. Suitable pH-regulating agents are customary inorganic or organic acids or acid salts, such as hydrochloric acid, sulfuric acid, bisulfates of alkalis, aminosulfonic acid, phosphoric acid or other acids of phosphorus, in particular the anhydrous acids of phosphorus or their salts or their salts acidic solid compounds with urea or other lower carboxamides, partial amides of phosphoric acids or anhydrous phosphoric acid, citric acid, tartaric acid, lactic acid and the like. Organic or inorganic compounds such as alkanolamines, namely mono-, di- or triethanolamine or ammonia, can also be added as basic substances. For Setting a weakly alkaline pH is also alkaline builder substances and washing alkalis, such as. As sodium tripolyphoshate, sodium carbonate and sodium bicarbonate, potassium carbonate and bicarbonate, sodium silicate and the sodium aluminosilicates are suitable.

Die Herstellung der erfindungsgemäßen Reinigungsmittel erfolgte zunächst durch Vormischung der festen und flüssigen Rezepturbestandteile und Homogenisierung mit einem hochtourigen Dispergiergerät. Das Hauptproblem dabei war die Entfernung der im Mittel enthaltenen erheblichen Luftmengen, die zum Teil mit den pulverförmigen Komponenten eingetragen wurden, zum Teil in der Vormischanlage in das Produkt gelangten. Über eine adäquate Auslegung der Vormischanlage ließ sich der "eingerührte" Luftanteil zwar minimieren, der Gesamtluftgehalt lag aber auch dann noch bei ca. 20 % (Vol.). Produkte mit hohen Luftanteilen unterlagen in der Praxis erheblichen Dichteschwankungen und waren nicht ausnahmslos lagerfähig. Es wurde daher in Analogie zu den in "Seifen, Öle, Fette, Wachse" 101, (1975), Seiten 125 bis 128 und in der deutschen Offenlegungsschrift 26 19 810 beschriebenen Verfahren wie folgt vorgegangen:

  • Zuerst wurden die Tenside und das Wasser in einem Rührkessel aus abriebfestem Material, vorzugsweise Edelstahl, versehen mit einem Rührorgan mit einem Anker, an dem Wandabstreifer aus abriebfestem gleitfähigen Material, vorzugsweise Polytetrafluor ethylen befestigt sind, und einem auf einer 2. Achse befestigten Rührflügel, der gegenüber dem Anker um 90 °C versetzt ist, das mit einer Umlaufgeschwindigkeit von 0,5 bis 4, vorzugsweise von 1 bis 1,5 m/sek. bewegt wurde, gegeben und anschließend der Lösung unter Rühren alle weiteren Bestandteile wie Abrasivstoffe, Stabilisierungsmittel, Farbstoffe, Viskositätsregulatoren, Suspensionsstabilisatoren, Lösungsmittel, Lösungsvermittler und Hydrotrope hinzugefügt. Hierbei wurden Pulvernester, Feststoffklumpen und Wandbeläge homogenisiert, ohne daß der rohstoffbedingte Luftgehalt im Vorgemisch zusätzlich durch Lufteinzug erhöht wurde. Anschließend wurde die Mischung über ein Durchlaufdispergiergerät, vorzugsweise eine Rotor-Stator-Maschine, gepumpt, deren Scherspalt und /oder Drehzahleinstellung auf den mittleren Abrasivstoffteilchendurchmesser abgestimmt wurde, damit bei der Dispergierung möglichst wenig Abbau des Abrasivstoffes erfolgte. Nach dieser Dispergierung wurde eine Entlüftung des erhaltenen Mittels vorgenommen. Hierzu wurde eine dynamische Durchlauf-Vakuumentgasungsanlage mit zentrifugaler Produktverteilung über rotierende Scheiben und Lochbleche verwendet. Der Druck wurde auf 20 bis 100 mm Hg-Säule eingestellt. Diese Entlüftung kann auch vor der Dispergierung durchgeführt werden. Leichter flüchtige Duftstoffe wurden nach der Entlüftung zugegeben. Die Durchsatzgeschwindigkeit, die Dispergierintensität und das Ent- gasungsvakuum.-,wurderi so .aufeinander abgestimmt, daß die Produkte schließlich eine Temperatur von ca. 25 °C aufwiesen und direkt abgefüllt werden konnten.
The cleaning agents according to the invention were first produced by premixing the solid and liquid formulation constituents and homogenizing them with a high-speed dispersing device. The main problem was the removal of the considerable amounts of air contained in the medium, some of which were introduced with the powdery components, some of which got into the product in the premixing system. Adequate design of the premixing plant made it possible to minimize the "introduced" air fraction, but the total air content was still around 20% (vol.). In practice, products with high levels of air were subject to considerable fluctuations in density and could not be stored without exception. In analogy to the methods described in "Soaps, Oils, Fats, Waxes" 101, (1975), pages 125 to 128 and in German Offenlegungsschrift 26 19 810, the procedure was as follows:
  • First, the surfactants and the water were in a stirred tank made of abrasion-resistant material, preferably stainless steel, provided with a stirring element with an anchor, to which wall wipers made of abrasion-resistant, lubricious material, preferably polytetrafluoroethylene, and a stirring paddle attached to a second axis, which is offset by 90 ° C relative to the anchor, which with a rotational speed of 0.5 to 4, preferably from 1 to 1.5 m / sec. was moved and then all the other constituents such as abrasives, stabilizers, dyes, viscosity regulators, suspension stabilizers, solvents, solubilizers and hydrotropes were added to the solution with stirring. Powder nests, lumps of solid and wall coverings were homogenized without the raw material-related air content in the premix being additionally increased by air intake. The mixture was then pumped through a continuous disperser, preferably a rotor-stator machine, the shear gap and / or speed setting of which was matched to the average abrasive particle diameter so that as little degradation of the abrasive material took place during the dispersion. After this dispersion, the agent obtained was deaerated. For this purpose a dynamic continuous vacuum degassing system with centrifugal product distribution over rotating disks and perforated plates was used. The pressure was adjusted to 20 to 100 mm Hg column. This deaeration can also be carried out before the dispersion. More volatile fragrances were added after venting. The throughput rate, the dispersion intensity and the degassing vacuum were coordinated so that the products finally had a temperature of approx. 25 ° C and could be filled directly.

Die Herstellung kann wahlweise diskontinuierlich oder kontinuierlich erfolgen.The production can be carried out batchwise or continuously.

BeispieleExamples TellertestPlate test

Zum Nachweis des Reinigungseffektes der erfindungsgemäß eingesetzten Mittel beim manuellen Geschirrspülen wurde der sogenannte Tellertest durchgeführt. Die Methodik ist in der Zeitschrift "Fette, Seifen, Anstrichmittel", 74 (1972), Seiten 163 bis 165 beschrieben. Es wurden Teller von 14 cm Durchmesser alternativ mit je 2 g Rindertalg - (Schmelzpunkt 40 bis 42 °C, Säurezahl 9 bis 10) bzw. mit einer Mischanschmutzung aus Eiweiß, Fett und Kohlenhydraten angeschmutzt, 15 Stunden lang bei + 0 bis + 5 °C gelagert und bei 45 °C mit Leitungswasser der Härte 16 °d gespült. Die Prüfprodukte wurden mit einer Dosierung von 0,5 g/I Wasser eingesetzt. Als Maß für die Reinigungswirkung diente die Anzahl an Tellern, die mit 5 Liter Spülflotte sauber gespült wurden = Tellerzahl.The so-called plate test was carried out to demonstrate the cleaning effect of the agents used according to the invention in manual dishwashing. The methodology is described in the journal "Fette, Seifen, Anstrichmittel", 74 (1972), pages 163 to 165. 14 cm diameter plates were alternatively soiled with 2 g beef tallow - (melting point 40 to 42 ° C, acid number 9 to 10) or with a mixed contamination of protein, fat and carbohydrates, for 15 hours at + 0 to + 5 ° C stored and rinsed at 45 ° C with tap water hardness 16 ° d. The test products were used at a dosage of 0.5 g / l water. The measure of the cleaning effect was the number of plates, which were rinsed clean with 5 liters of washing solution = number of plates.

Schäumvermögen:

  • 100 ml Reinigungsmittellösung in Anwendungskonzentrationen (0,4 bis 1,0 g/I; Leitungswasser von 16 °d, 45 °C) wurden in einem 250 ml Mischzylinder in einem Schüttelgerät der Firma K. Hofmann, Berlin geschüttelt; 20 Umdrehungen des Zylinders mit 55 Umdrehungen pro Minute. Das Schaumvolumen wurde mit und ohne Belastung - (Olivenölzusatz) durch Ablesen der Schaumhöhe an der Mensur des Mischzylinders abgelesen.
Foaming power:
  • 100 ml of detergent solution in application concentrations (0.4 to 1.0 g / l; tap water of 16 ° d, 45 ° C) were shaken in a 250 ml mixing cylinder in a shaker from K. Hofmann, Berlin; 20 revolutions of the cylinder with 55 revolutions per minute. The foam volume was read with and without load - (olive oil additive) by reading the foam height on the scale of the mixing cylinder.

Scheuerleistung:

  • Die Abrasivwirkung der Mittel wurde an einer Kohlenhydrat-/Eiweiß-/Fett-Kombinationsanschmutzung ermittelt. Hierzu werden 60 g "Milumil Babynahrung" mit 80 g Wasser von 75 °C gemischt und im Wasserstrahlvakuum entlüftet. Die anfallende Mischung wurde in einer Schichtdicke von
250 um auf VA-Stahlblech in einer Fläche von 130 cm 2 aufgetragen. Anschließend wurde 1 Stunde lang bei 45 °C vorgetrocknet und 2 Stunden lang bei 200. °C eingebrannt. Nach Abkühlen und Auswiegen wurden die angeschmutzten Bleche mit 5 ml des Mittels unter Verwendung eines weichen Nadelfilzpads (Typ NV RC 800, Fa. DLW, Durchmesser 48 mm) 5 mal bei konstantem Druck gescheuert. Hierbei war die Edelstahlplatte auf einem Tisch fixiert, der mittels einer Hydraulik gegen den mit 75 Umdrehungen pro Minute rotierenden und gleichzeitig hin-und herbewegten Pad - (Scheuerstrecke = 200 mm) gedrückt wurde. Andruck und Anzahl der Scheuerbewegung waren so ausgelegt, daß ein Standardprodukt gemäß der EP 21 545, bestehend aus 24 Gew.-% C12-C13-Fettalkohol-(ethoxy)3-sulfat, 3,5 Gew.-% C,2-C,4-Alkyl-dimethylaminoxid, 6,5 Gew.-% Cristobalit - (mittlerer Teilchendurchmesser 40 bis 50 um), 0,5 Gew.-% Al2O3, 4,0 Gew.-% Sulfobemsteinsäuretrinatriumsalz, 6,5 Gew.-% Ethanol, Rest Wasser, Farbstoff und Parfüm die Anschmutzung nicht vollständig entfernte. Nach Abspülen der gescheuerten Platten mit Wasser wurden diese getrocknet und zurückgewogen. Der Abrieb entsprach der Abrasivwirkung und wurde absolut in mg oder relativ in Prozent, bezogen auf den festgelegten Standard, angegeben.Abrasion performance:
  • The abrasive effect of the agents was determined on a combination of carbohydrate / protein / fat soiling. For this purpose, 60 g "Milumil baby food" are mixed with 80 g water at 75 ° C and deaerated in a water jet vacuum. The resulting mixture was in a layer thickness of
250 µm applied to VA steel sheet in an area of 130 cm 2 . The mixture was then predried at 45 ° C. for 1 hour and baked at 200 ° C. for 2 hours. After cooling and weighing, the soiled sheets were scrubbed 5 times at constant pressure using 5 ml of the agent using a soft needle felt pad (type NV RC 800, DLW, diameter 48 mm). Here, the stainless steel plate was fixed on a table, which was pressed by a hydraulic system against the pad rotating (75 revolutions per minute and at the same time back and forth) (rubbing distance = 200 mm). The pressure and the number of scrubbing movements were designed so that a standard product according to EP 21 545, consisting of 24% by weight of C 12 -C 13 fatty alcohol (ethoxy) 3 sulfate, 3.5% by weight of C, 2 -C, 4-alkyl-dimethylamine oxide, 6.5% by weight cristobalite - (average particle diameter 40 to 50 µm), 0.5% by weight Al 2 O 3 , 4.0% by weight sulfosuccinic acid trisodium salt, 6, 5% by weight of ethanol, remainder of water, dye and perfume did not completely remove the soiling. After rinsing the scrubbed plates with water, they were dried and weighed back. The abrasion corresponded to the abrasive effect and was given absolutely in mg or relatively in percent, based on the specified standard.

Oberflächenschonung:

  • Zur Ermittlung der Schonwirkung an empfindlichen Oberflächen wurden Plexiglasplatten nach der vorstehend beschriebenen Methodik behandelt. Die Oberflächen der behandelten Platten wurden mit dem Lange-Reflektometer (Meßkopf 60 °C) vermessen. Die Ergebnisse der Messung wurden relativ zum Wasserwert (entsprechend 100%) angegeben.
Surface protection:
  • To determine the gentle effect on sensitive surfaces, plexiglass plates were treated using the method described above. The surfaces of the treated plates were measured with the Lange reflectometer (measuring head 60 ° C). The results of the measurement were given relative to the water value (corresponding to 100%).

In der nachfolgenden Tabelle 1 sind Zusammensetzungen handelsüblicher Reinigungsmittel (A bis E) für harte Oberflächen mit/ohne Abrasivstoffen und erfindungsgemäße Mittel aufgeführt.The following table 1 lists compositions of commercially available cleaning agents (A to E) for hard surfaces with / without abrasives and agents according to the invention.

In Tabelle 2 sind die Ergebnisse der vorstehend charakterisierten Untersuchungsmethoden wiedergegeben. Als Standard wurde ein Produkt aus 18 Gew.-% C12-13 -Fettalkoholethersulfat, 4,0 Gew.-% C12-14-alkyl-dimethylaminoxid, 2 Gew.-% Sulfobemstein säuretrinatriumsalz, 7 Gew.-% Quarzmehl (43 bis 105 um), 2,5 Gew.-% Aerosil (R) 200 als Suspensionsstabilisierungsmittel, Rest Wasser, Farbstoffe, Elektrolyte und Duftstoffe entsprechend der EP 21 545 verwendet.Table 2 shows the results of the test methods characterized above. A product consisting of 18% by weight of C 12-13 fatty alcohol ether sulfate, 4.0% by weight of C 12-14 alkyl dimethylamine oxide, 2% by weight of sulfobemic acid trisodium salt, 7% by weight of quartz powder (43 up to 105 µm), 2.5% by weight of Aerosil (R) 200 as suspension stabilizer, the rest being water, dyes, electrolytes and fragrances in accordance with EP 21 545.

Die Ergebnisse zeigen eindeutig die Vorteile der erfindungsgemäß hergestellten Reinigungsmittel gegenüber dem Standardprodukt:

  • -Das Schäumvermögen wird durch die Abrasivstoffe nicht negativ beeinflußt.
  • -Die Scheuerleistung ist trotz der Feinheit der Abrasivstoffe überraschend hoch.
  • -Desweiteren überrrascht, daß Limonen als Fettlösemittel in Mengen von nur 0,2 bis 0,8 Gew.- % auch die Viskosität der erfindungsgemäßen Mittel anhebt.
    Figure imgb0001
    Figure imgb0002
    Figure imgb0003
    Figure imgb0004
    Figure imgb0005
    Figure imgb0006
    Figure imgb0007
The results clearly show the advantages of the cleaning agents produced according to the invention over the standard product:
  • -The foaming power is not adversely affected by the abrasives.
  • -The abrasion performance is surprisingly high despite the fineness of the abrasive materials.
  • Furthermore, it is surprising that limonene as a fat solvent in amounts of only 0.2 to 0.8% by weight also increases the viscosity of the agents according to the invention.
    Figure imgb0001
    Figure imgb0002
    Figure imgb0003
    Figure imgb0004
    Figure imgb0005
    Figure imgb0006
    Figure imgb0007

Neben den Einsatzgebieten Spülen und Reinigen von angeschmutzten harten Oberflächen sind die erfindungsgemäß hergestellten Mittel bei Einsatz feinstteiliger Abrasiv-/Polierstoffe wie Sident(R) auch zur Pflege von angelaufenen Metalloberflächen (Bestecken, Schmuck u. a.) sowie zur Reinigung von Kunststoffoberflächen geeignet. Die Oberflächenschonung ist hierbei vergleichbar mit der, die bei bloßem Einsatz von Wasser resultiert, d. h. es treten keine für das Auge sichtbaren Kratzer auf.In addition to the areas of application of rinsing and cleaning of soiled hard surfaces, the agents produced according to the invention are also suitable for the care of tarnished metal surfaces (cutlery, jewelry etc.) and for cleaning plastic surfaces when using finely divided abrasive / polishing materials such as Sident (R) . The surface protection is comparable to that which results from the mere use of water, ie there are no scratches visible to the eye.

Am Beispiel der Silberreinigung wurde die Leistung der erfindungsgemäßen Mittel im Vergleich zu einem handelsüblichen Silberputzmittel - (Puragan (R), Basis Thioharnstoff) aufgezeigt.Using the example of silver cleaning, the performance of the agents according to the invention was shown in comparison to a commercially available silver cleaning agent - (Puragan ( R ), based on thiourea).

Die Teile wurden mit weichem Lappen von Hand geputzt und anschließend mit Wasser abgespült. Nach dem Trocknen wurden sie von 5 Personen visuell beurteilt. Die Benotung ist in der nachfolgenden Tabelle 3 definiert.

Figure imgb0008
The parts were cleaned by hand with a soft cloth and then rinsed with water. After drying, they were assessed visually by 5 people. The rating is defined in Table 3 below.
Figure imgb0008

Claims (8)

1. Gerüstsubstanzfreie, flüssige, suspensionsstabile Mehrzweckreinigungsmittel für harte Oberflächen, die Abrasivstoffe, Wasser und eine Tensidbasis aus Gemischen aus Aniontensiden oder Aniontensiden und Amphotensiden enthalten und einen pH-Wert von 5,5 bis 9,5 aufweisen.1. Scaffold-free, liquid, suspension-stable multi-purpose cleaning agent for hard surfaces, which contain abrasives, water and a surfactant base made from mixtures of anionic surfactants or anionic surfactants and amphoteric surfactants and have a pH of 5.5 to 9.5. 2. Mittel nach Anspruch 1, die ein Gemisch aus mindestens zwei verschiedenen Aniontensiden enthalten.2. Compositions according to claim 1, which contain a mixture of at least two different anionic surfactants. 3. Mittel nach den Ansprüchen 1 und 2, die ein Gemisch aus einem oder mehreren Aniontensiden und Amphotensiden enthalten.3. Compositions according to claims 1 and 2, which contain a mixture of one or more anionic surfactants and amphoteric surfactants. 4. Mittel nach den Ansprüchen 1 bis 3, die 10 -35, vorzugsweise 15 -25 Gew.-% an Tensidgemischen enthalten.4. Composition according to claims 1 to 3, containing 10 -35, preferably 15 -25 wt .-% of surfactant mixtures. .5. Mittel nach den Ansprüchen 1 bis 4, bei denen das Gewichtsverhältnis von Aniontensiden zu Amphotensiden bei 20 : 1 bis 1 : 1, insbesondere 15 : 1 bis 1 : 1 und ganz besonders bei 8 : 1 bis 1 : 1 liegt..5. Agent according to Claims 1 to 4, in which the weight ratio of anionic surfactants to amphoteric surfactants is 20: 1 to 1: 1, in particular 15: 1 to 1: 1 and very particularly 8: 1 to 1: 1. 6. Mittel nach den Ansprüchen 1 bis 5, die 5 -20, vorzugsweise 10 -15 Gew.-% an wasserunlöslichen Abrasivstoffen mit einem mittleren Teilchendurchmesser von 5 -100 um aufweisen.6. Composition according to claims 1 to 5, which have 5 -20, preferably 10 -15 wt .-% of water-insoluble abrasives with an average particle diameter of 5 -100 microns. 7. Mittel nach den Ansprüchen 1 bis 6, die einen pH-Wert von 6,0 bis 7,5 aufweisen.7. Compositions according to claims 1 to 6, which have a pH of 6.0 to 7.5. 8. Verwendung von Mitteln nach Anspruch 1 bis 7 als Geschirrreinigungs-, Allzweckreinigungs-, Scheuer-und/oder Poliermittel.8. Use of agents according to claims 1 to 7 as dishwashing, all-purpose cleaning, scouring and / or polishing agents.
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Publication number Publication date
ATE67238T1 (en) 1991-09-15
DE3601798A1 (en) 1986-10-23
EP0199195B1 (en) 1991-09-11
EP0199195A3 (en) 1988-06-01
US4797231A (en) 1989-01-10
DE3681320D1 (en) 1991-10-17

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