EP0199195B1 - Multiple use detergent for hard surfaces - Google Patents

Multiple use detergent for hard surfaces Download PDF

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Publication number
EP0199195B1
EP0199195B1 EP86104894A EP86104894A EP0199195B1 EP 0199195 B1 EP0199195 B1 EP 0199195B1 EP 86104894 A EP86104894 A EP 86104894A EP 86104894 A EP86104894 A EP 86104894A EP 0199195 B1 EP0199195 B1 EP 0199195B1
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Prior art keywords
preferably
weight
surfactants
preparations
agents
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EP86104894A
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German (de)
French (fr)
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EP0199195A2 (en
EP0199195A3 (en
Inventor
Klaus Dr. Schumann
Ortburg Guirr
Paul Dr. Schulz
Franz Dr. Förg
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to DE3514019 priority
Priority to DE3601798 priority
Priority to DE19863601798 priority patent/DE3601798A1/en
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Publication of EP0199195A2 publication Critical patent/EP0199195A2/en
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    • 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 characterised by their shape or physical properties
    • C11D17/0008Detergent materials 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

Description

  • The invention relates to aqueous, liquid, builder-free, suspension-stable multi-purpose cleaning agents for hard surfaces, which act as scouring 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 detergents or as 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. For skin protection reasons, the pH is around 5.5 to 8.0. Under certain circumstances, however, which is not typical, they can still contain small amounts of builders or complexing agents such as hexametaphosphate or ethylenediaminetetraacetate for use in areas with highly iron-containing water. 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 household and in commercial premises, preferably contain, as active ingredients, combinations of anionic and nonionic surfactants in a total amount of about 5 to 15% by weight and cleaning-reinforcing 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- (CHz-CH 2 -0) n -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. Their pH value 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, is generally better in an alkaline environment than in a neutral or acidic one. All-purpose cleaning agents of this type are also known, for example, from German patent specification 27 09 690 or from the corresponding European patent specification 9 193. An abrasive content is not intended.
  • 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.
  • As a rule, cleaning compositions with different compositions are offered and used for related but different cleaning sectors. In everyday household life, however, dishwashing detergents, which 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.
  • 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.
  • If appropriate, liquid cleaning agents for hard surfaces which are free of scaffold and which are based on anionic surfactants and zwitterionic surfactants, which contain no nonionic surfactants but are alkaline and predominantly contain large amounts of abrasives, are described in British patent specification 1 181 607. These agents are unsuitable for a wider range of applications.
  • Buildup-free liquid cleaning agents that can be used on the one hand as scouring agents and on the other hand as hand dishwashing detergents, i.e. in two ways, and 20 to 35% by weight of anionic surfactants, 2 to 15% by weight of foam-stabilizing nonionic surfactants, 1 to 20% by weight water-insoluble abrasives with a particle diameter of 15 to 150 ILm and a Mohs hardness of 2 to 7 and 20 to 75% by weight of water are already from the European Patent application 21 545 known. Correspondingly usable abrasive-containing cleaning agents, which can contain two different anionic surfactants, preferably together with non-ionic surfactants, but which 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.
  • The liquid scouring agents described in US Pat. No. 4,396,525 with a content of anionic surfactants and alkylamido betaines and up to 65% by weight of abrasives are also not accessible for any other use.
  • The object of the invention was therefore to provide a novel, single detergent composition which can be used in a targeted manner both as an abrasive agent and as a manually applicable dishwashing detergent and as an all-purpose detergent and as a polishing agent.
  • The present invention relates to aqueous liquid, suspension-stable multipurpose cleaning and polishing agents for hard surfaces which are free of builders and nonionic surfactants and which contain 5 to 20, preferably 10 to 15% by weight of water-insoluble abrasives with an average particle diameter of 5 to 15 µm and 10 to 35, preferably 15 to 25% by weight of a surfactant base composed of at least two different anionic surfactants, preferably from the group of the alkylbenzenesulfonates, the secondary alkanesulfonates, the fatty alcohol sulfates and the fatty alcohol ether sulfates or from mixtures of one or more of these anionic surfactants and amphoteric surfactants, and one Have a pH of 6.0 to 7.5 and a viscosity of 2,000 to 12,000, preferably 4,000 to 6,000 mPas at a shear rate of 5 s -1 .
  • 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-Cis, preferably C 12 -Cs-alkyl groups and preferably alkanesulfonates which consist of C 12 -C 18 , preferably C 14 -16 alkanes by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins, as well as the C 8 -Cis, preferably C 12 -C 18 olefin sulfonates, which are mixtures of the corresponding alkene and hydroxyalkanesulfonates, and disulfonates as they are 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. Other useful surfactants are the esters of alpha sulfo fatty acids, e.g. B. alpha-sulfonated methyl or ethyl ester of hydrogenated coconut, Paimkern- 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. 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.
  • 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.
  • 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 CS-C18 radical and another contains an anionic water-solubilizing carboxy, sulfo or sulfato group.
  • Typical representatives of such surface-active betaines are, for example, the compounds 3- (N-hexadecyl-N, N-dimethylammonio) propanesulfonate, 3- (N-tallow alkyl-N, N-dimethylammonio) -2-hydroxypropanesulfonate, 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 12 -C 18 -Acylamidopropyldimethylammonium betaines are preferably used.
  • The total surfactant content is 10 to 35, in particular 15 to 25% by weight. When using amphotes 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 15 μm can be used as abrasive substances. To vary the abrasive effect, combinations of abrasive silicas for the toothbrush industry, such as, for example, are particularly preferred. 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 no longer rub and are therefore also referred to as "cleaning bodies", can be used to produce particularly gentle scrubbing agents which, when undiluted, can also be used advantageously to polish sensitive metal surfaces. The abrasive substances are used in amounts of 5 to 20, in particular 10 to 15% by weight, based on the total agent.
  • 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 4 C1 or NaCI, thickening silicas, for. 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. 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 from the same or different types of polyhydric alcohols or the partial ethers 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.
  • 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 produced according to the invention is adjusted on a laboratory scale and the corresponding constituents and their amounts are then transferred to the actual production process. The amounts of the viscosity regulators are approximately between 0 to 10, preferably 2 to 6,% by weight, based on the total agent.
  • 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.
  • The polyethylene glycols used according to the invention have the general formula HO (-CH 2 -CH 2 -0) 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 )".
  • In addition, 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 6.0 to 7.5. Suitable pH-regulating agents are conventional inorganic or organic acids or acid salts, such as hydrochloric acid, sulfuric acid, bisulphates of alkalis, aminosulphonic acid, phosphoric acid or other acids of phosphorus, in particular the anhydrous acids of phosphorus or their salts or their 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. To set a weakly alkaline pH are also alkaline builder substances and washing alkalis, such as. As sodium tripolyphosphate, sodium carbonate and sodium bicarbonate, potassium carbonate and bicarbonate, sodium silicate and the sodium aluminosilicates are suitable.
  • 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, were attached, and an agitator blade attached on a second axis, opposite the anchor is offset by 90 ° C, 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 set at 2666 to 13332 Pa (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 with one another in such a way that the products finally had a temperature of approximately 25 ° C. and could be filled directly.
  • The production can be carried out batchwise or continuously.
  • Examples Plate test
  • 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 soiling of protein, fat and carbohydrates, stored for 15 hours at + 0 to + 5 ° C and rinsed at 45 ° C with tap water of hardness 16 0. The test products were used at a dosage of 0.5 g / l water. The number of plates that were rinsed clean with 5 liters of washing solution = number of plates served as a measure of the cleaning effect.
  • 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.
  • 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 in Water jet vacuum vented. The resulting mixture was applied in a layer thickness of 250 μm to VA steel sheet in an area of 130 cm 2 . It 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). The stainless steel plate was fixed on a table, which was pressed by a hydraulic system against the pad, which rotated at 75 revolutions per minute and moved back and forth at the same time (scouring distance = 200 mm). Contact pressure and number of scraping motion were designed so that a standard product of EP-A-21 545, comprising 3-sulfate according to 24 wt .-% of C12-C13 fatty alcohol (ethoxy), 3.5 wt .-% C 12 -C 14 -alkyl-dimethy- laminoxide, 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.
  • 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%).
  • 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.
  • Table 2 shows the results of the test methods characterized above. As standard was a product of 18 wt .-% C 12-13 fatty alcohol ether sulfate, 4.0 wt .-% C 12 - 14 alkyl dimethylamine oxide, 2 wt .-% Sulfobernsteinsäuretrinatriumsalz, 7 wt .-% of quartz flour (43 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-A-21 545.
  • 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.
    • - Despite the fineness of the abrasive materials, the abrasion performance is surprisingly high.
    • - 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
  • 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.
  • Using the example of silver cleaning, the performance of the agents according to the invention in comparison with a commercially available silver cleaning agent (Puragan ( R ), based on thiourea) was demonstrated.
  • 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 (4)

1. Water-based, liquid, suspension-stable multipurpose cleaning and polishing preparations for hard surfaces which are free from builders and nonionic surfactants, characterized in that they contain 5 to 20% by weight and preferably 10 to 15% by weight water-insoluble abrasives having an average particle diameter of 5 to 15 µm and 10 to 35% by weight and preferably 15 to 25% by weight of a sufactant base of at least two different anionic surfactants, preferably from the group of alkyl benzenesulfonates, secondary alkane sulfonates, fatty alcohol sulfates and fatty alcohol ether sulfates or of mixtures of one or more of these anionic surfactants and amphoteric surfactants and have a pH value of 6.0 to 7.5 and a viscosity of 2,000 to 12,000 mPa.s and preferably 4,000 to 6,000 mPa.s at a shear rate of 5 S. 1.
2. Preparations as claimed in claim 1, characterized in that, where amphoteric surfactants are present, the ratio by weight of anionic surfactants to amphoteric surfactants is from 20:1 to 1:1, preferably from 15:1 to 1:1 and more preferably from 8:1 to 1:1.
3. Preparations as claimed in claims 1 and 2, characterized in that the amphoteric surfactants consist of derivatives of aliphatic quaternary ammonium compounds.
4. The use of the preparations claimed in claims 1 to 3 as dishwashing detergents and multipurpose cleaning, scouring and polishing preparations.
EP86104894A 1985-04-18 1986-04-10 Multiple use detergent for hard surfaces Expired - Lifetime EP0199195B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3514019 1985-04-18
DE3514019 1985-04-18
DE3601798 1986-01-22
DE19863601798 DE3601798A1 (en) 1985-04-18 1986-01-22 Multi-purpose cleaners, hard surface

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AT86104894T AT67238T (en) 1985-04-18 1986-04-10 Multipurpose cleaner for hard surfaces.

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EP0199195A2 EP0199195A2 (en) 1986-10-29
EP0199195A3 EP0199195A3 (en) 1988-06-01
EP0199195B1 true EP0199195B1 (en) 1991-09-11

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EP0199195A3 (en) 1988-06-01
AT67238T (en) 1991-09-15
DE3681320D1 (en) 1991-10-17
US4797231A (en) 1989-01-10
DE3601798A1 (en) 1986-10-23
EP0199195A2 (en) 1986-10-29

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