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WO1999061571A1 - Detergents pour la vaisselle non aqueux visqueux - Google Patents

Detergents pour la vaisselle non aqueux visqueux Download PDF

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Publication number
WO1999061571A1
WO1999061571A1 PCT/EP1999/003327 EP9903327W WO9961571A1 WO 1999061571 A1 WO1999061571 A1 WO 1999061571A1 EP 9903327 W EP9903327 W EP 9903327W WO 9961571 A1 WO9961571 A1 WO 9961571A1
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amounts
weight
composition according
agent
agents
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PCT/EP1999/003327
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German (de)
English (en)
Inventor
Jürgen Härer
Christian Nitsch
Hans-Josef Beaujean
Bernd Richter
Christian Schoth
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Henkel Kommanditgesellschaft Auf Aktien
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Priority to EP99924973A priority Critical patent/EP1080174A1/fr
Publication of WO1999061571A1 publication Critical patent/WO1999061571A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1266—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O

Definitions

  • the present invention relates to non-aqueous, viscous dishwashing detergents which comprise surfactant (s), bleaching agents and a viscosity control system which makes it possible to adjust the consistency of the products from more viscous, flowable to gel-like to dimensionally stable pastes.
  • European patent application EP 518 721 (Colgate-Palmolive Company) describes, for example, non-aqueous, liquid dishwashing detergents which contain protease and amylase and, optionally, a thickening system composed of clay minerals, hydroxypropyl cellulose and polyacrylate polymers.
  • a thickening system composed of clay minerals, hydroxypropyl cellulose and polyacrylate polymers.
  • European patent application EP 611 206 (Colgate-Palmolive Company) also describes non-aqueous liquid dishwasher detergents containing protease and amylase, which contain 5 to 25% by weight of a polymeric swelling or gelling agent (for example polypropylene glycols), 0.1 to 10 wt .-% hydroxypropyl cellulose polymer and optionally contain polyacrylate polymer.
  • a polymeric swelling or gelling agent for example polypropylene glycols
  • 0.1 to 10 wt .-% hydroxypropyl cellulose polymer optionally contain polyacrylate polymer.
  • This document also does not say anything about the use of bentonites in combination with inorganic thickeners, nor does it mention sorbitols.
  • the present invention was based on the object of providing a non-aqueous, liquid detergent for machine cleaning of dishes in a household dishwasher which can be adjusted in its viscosity in a stable manner without the solids contained therein, in particular the bleach, sedimenting or suffering from loss of activity . Furthermore, means should be provided which, in terms of their cleaning performance, match or even surpass the commercially available solid cleaners. This task is solved by non-aqueous, viscous dishwashing detergents, which contain a special thickening system.
  • the invention relates to a non-aqueous, highly viscous dishwashing detergent, comprising surfactant (s), bleaching agent and optionally further customary detergent ingredients, the
  • non-aqueous is understood to mean a state in which the free water content in the compositions is clearly below 5% by weight, based on the composition. It is preferred that the liquid, i.e.. water not present in the form of water of hydration and / or constitutional water is less than 2% by weight, preferably less than 1% by weight and in particular even less than 0.5% by weight, in each case based on the composition. Accordingly, water can essentially only be introduced into the agent in chemically and / or physically bound form or as a constituent of the raw materials or compounds present as a solid, but not as a liquid, solution or dispersion.
  • the structuring agent a) comes from the group of bentonites and / or at least partially etherified sorbitols. These substances are used to ensure the physical stability of the agents and to adjust the viscosity. Although conventional thickeners such as polyacrylates or polyurethanes fail in non-aqueous media, the viscosity can be controlled with the substances mentioned in the non-aqueous system.
  • Bentonites are contaminated clays that are formed by weathering volcanic tuffs. Because of their high montmorillonite content, bentonites have valuable properties such as swellability, ion exchange capacity and thixotropy. It is possible to modify the properties of the bentonites according to the intended use.
  • Bentonites are a common clay component in tropical soils and are mined as sodium bentonite, for example in Wyoming USA.
  • Sodium bentonite has the most favorable application properties (swellability), so that its use is preferred in the context of the present invention.
  • Naturally occurring calcium bentonites originate, for example, from Mississippi / USA or Texas / USA or from Landshut / D.
  • the naturally obtained Ca bentonites are artificially converted into the more swellable Na bentonites by exchanging Ca for Na.
  • montmorillonites The main constituents of bentonites are so-called montmorillonites, which can also be used in pure form in the context of the present invention.
  • Montmorillonites belong to the phyllosilicates and here to the dioctahedral smectites clay minerals that crystallize monoclinic-pseudohexagonal. Montmorillonites predominantly form white, gray-white to yellowish, completely amorphous appearing, easily friable, swelling in the water, but not becoming plastic, by the general formulas
  • Montmorillonites have a three-layer structure that consists of two tetrahedral layers that are electrostatically cross-linked via the cations of an intermediate octahedral layer.
  • the layers are not rigidly connected, but can be reversibly incorporated by water (in 2-7 times the amount) and other substances such as alcohols, glycols, pyridine, ⁇ -picoline, ammonium compounds, hydroxy-aluminosilicate ions, etc . swell.
  • AI can be exchanged for Mg, Fe 2+ , Fe 3+ , Zn, Cr, Cu and other ions. As a result of such a substitution, the layers are negatively charged, which is balanced by other cations, especially Na + and Ca 2+ .
  • At least partially etherified sorbitols can be used as structure donors.
  • Sorbitol is a hexavalent alcohol (sugar alcohol) that is relatively easy to split off one or two moles of water intramolecularly and forms cyclic ethers (for example sorbitan and sorbide). Splitting off of water is also possible intermolecularly, noncychic ethers being formed from sorbitol and the alcohols concerned. The formation of monoethers and bisethers is also possible here, although higher degrees of etherification such as 3 and 4 can also occur. At least partially etherified sorbitols to be preferably used in the context of the present invention are double etherified sorbitols, of which dibenzylidene sorbitol is particularly preferred.
  • the agents according to the invention contain the structuring agents in amounts of 0.1 to 1.0% by weight, based on the total agent and on the active substance of the structuring agents.
  • Preferred agents contain the structuring agent in amounts of 0.2 to 0.9% by weight, preferably in amounts of 0.25 to 0.75% by weight and in particular in amounts of 0.3 to 0.5% by weight. %, each based on the total mean.
  • the agents according to the invention contain thickeners as inorganic salts from the group of carbonates, sulfates and amorphous or crystalline disilicates.
  • the salts of all metals mentioned can be used, the alkali metal salts being preferred.
  • alkali carbonate (s), alkali metal sulfate (s) and / or amorphous (s) and / or crystalline (s) are particularly preferred as thickeners.
  • Alkali disilicate (s) preferably sodium carbonate, sodium sulfate and / or amorphous or crystalline sodium disilicate.
  • the agents according to the invention contain the thickeners in amounts of 5 to 30% by weight, based on the total agent.
  • Preferred agents contain the thickener (s) in amounts of 7.5 to 28% by weight, preferably in amounts of 10 to 26% by weight and in particular in amounts of 12.5 to 25% by weight, based in each case on the total funds.
  • the agents according to the invention contain bleach and surfactant (s).
  • Suitable bleaching agents are the bleaching agents known for detergents and cleaning agents, especially alkali metal perborates, percarbonates, perphthalic acids and their derivatives and monopersulfates.
  • Typical inorganic oxygen bleaching agents are the alkali metal perborates and their hydrates and the alkali metal percarbonates, sodium perborate, as mono- or tetrahydrate, or sodium percarbonate preferably being used in the context of the invention.
  • Typical organic bleaching agents are the diacyl peroxides, e.g. Dibenzoyl peroxide.
  • Other typical organic bleaching agents are peroxy acids, examples of which include alkyl peroxy acids and aryl peroxy acids.
  • Preferred representatives are (a) the peroxybenzoic acid and its ring-substituted derivatives, such as alkyl peroxybenzoic acids, but also peroxy- ⁇ -naphthoic acid and magnesium monoperphthalate, (b) the aliphatic or substituted aliphatic peroxyacids, such as peroxylauric acid, peroxystearic acid, ⁇ -phthalimidopercapacid -
  • Particularly preferred agents contain one or more substances from the group phthaloiminoperoxyhexanoic acid (PAP), sodium perborate monohydrate, sodium perborate tetrahydrate and sodium percarbonate in amounts of 4 to 25% by weight, preferably in amounts of 5 to 20% by weight and in particular in amounts of 6 to 15% by weight, in each case based on the total agent.
  • PAP phthaloiminoperoxyhexanoic acid
  • bleaching agent or agents are preferably used in combination with bleach activator (s).
  • Bleach activators which can be used are compounds which, under perhydrolysis conditions, give aliphatic peroxocarboxylic acids having preferably 1 to 10 C atoms, in particular 2 to 4 C atoms, and / or optionally substituted perbenzoic acid.
  • Suitable substances are those which carry O- and / or N-acyl groups of the number of carbon atoms mentioned and / or optionally substituted benzoyl groups.
  • polyacylated alkylenediamines especially tetraacetylethylene diamine (TAED), acylated triazine derivatives, especially 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated glycolurils, especially tetraacetylglycoluril (TAGU), N-acylimides, especially N-nonanoylsuccinimide (NOSI), acylated phenol sulfonates, especially n-nonanoyl- or isononanoyloxybenzenesulfonate (n- or iso-NOBS), carboxylic acid anhydrides, especially phthalic anhydride, acylated polyhydric alcohols, especially triacetate, especially triacetine, Diacetoxy-2,5-dihydrofuran.
  • Another bleach activator to be used with preference is N-methyl-morpholino-acetonitrile
  • bleach catalysts can also be used.
  • bleach-enhancing transition metal salts or transition metal complexes such as, for example, Mn, Fe, Co, Ru or Mo salt complexes or carbonyl complexes.
  • Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with nitrogen-containing tripod ligands as well as Co, Fe, Cu and Ru amine complexes can also be used as bleaching catalysts.
  • Agents preferred in the context of the present invention additionally contain one or more bleach activators in amounts of 1 to 10% by weight, preferably in amounts of 2 to 7.5% by weight and in particular in amounts of 3 to 6% by weight, each based on the total mean.
  • the dishwashing detergents according to the invention contain surfactant (s).
  • surfactant s.
  • Low-foaming nonionic surfactants are expediently used for the requirements of machine dishwashing, the use of liquid nonionic surfactants being clearly preferred in the context of the present invention.
  • liquid nonionic surfactant (s) are used in the agents according to the invention are in the range from 15 to 60% by weight, preferably in the range from 20 to 50% by weight and in particular in the range from Range of 25 to 45 wt .-%, based on the total average.
  • all surfactants can be used as surfactants.
  • the alkoxylated alcohols, particularly the ethoxylated and / or propoxylated ones, the alkyl polyglycosides and the alkyl polyglucamides are particularly preferred.
  • alkoxylated alcohols to mean the reaction products of alkylene oxide, preferably ethylene oxide, with alcohols, preferably in the context of the present invention the longer-chain alcohols (C 10 to C 8 , preferably between C 12 and C 16 , such as C ⁇ -, C 12 -, C 13 -, C 14 -, C 15 -, C 16 -, C 17 - and C 18 -alcohols).
  • C 10 to C 8 preferably between C 12 and C 16 , such as C ⁇ -, C 12 -, C 13 -, C 14 -, C 15 -, C 16 -, C 17 - and C 18 -alcohols.
  • n moles of ethylene oxide and one mole of alcohol form a complex mixture of addition products of different degrees of ethoxylation, depending on the reaction conditions.
  • Another embodiment is the use of mixtures of the alkylene oxides, preferably the mixture of ethylene oxide and propylene oxide.
  • final etherification with short-chain alkyl groups can also give the substance class of the “closed” alcohol ethoxylates, which can also be used for the purposes of the invention.
  • highly preferred for the purposes of the present invention are highly ethoxylated fatty alcohols or their mixtures with end-capped fatty alcohol ethoxylates.
  • Examples of said substances are the commercial products Plurafac LF ® 132 and LF 231, Lutensol ® SC 9713 (trademark of BASF, end-capped nonionic surfactants), Synperonic ® -LF types fetch particular LF / D25 (trademark of ICI, fatty alcohol EO-PO adducts), Neodol ® types such as Neodo -25-7 and 23-6.5 (trademark of Shell Chemical Company, ethoxylation products of C 12-13 fatty alcohols with an average of 6.5 EO groups), Tergitol ® types such as Tergitol ® 15-S-7 and 15-S-9 (trademark of Union Carbide, ethoxylated linear secondary alcohols ) and Neodol ® 45-11 (trademark of Shell Chemical Company, C14. 15 alcohols with an average of 11 moles EO).
  • Alkyl polyglycosides are surfactants which can be obtained by the reaction of sugars and alcohols using the relevant methods of preparative organic chemistry, with a mixture of monoalkylated, oligomeric or polymeric sugars depending on the type of preparation.
  • Preferred alkyl polyglycosides can be alkyl polyglucosides, the alcohol being particularly preferably a long-chain fatty alcohol or a mixture of long-chain fatty alcohols and the degree of oligomerization of the sugars being between 1 and 10.
  • Fatty acid polyhydroxylamides are acylated reaction products of the reductive amination of a sugar (glucose) with ammonia, whereby long-chain fatty acids, long-chain fatty acid esters or long-chain fatty acid chlorides are generally used as acylating agents.
  • Secondary amides are formed when reducing with methylamine or ethylamine instead of with ammonia, such as. B. in S ⁇ FW-Journal, 119, (1993), 794-808.
  • Carbon chain lengths of C 6 to C 12 in the fatty acid residue are preferably used.
  • water-soluble and water-insoluble builders can be used especially for binding calcium and magnesium.
  • Water-soluble builders are preferred because they generally have less tendency to form insoluble residues on dishes and hard surfaces.
  • Customary builders which can be present in the scope of the invention between 10 and 90% by weight, based on the entire preparation, are the low molecular weight polycarboxylic acids and their salts, the homopolymeric and copolymeric polycarboxylic acids and their salts and the phosphates.
  • Water-insoluble builders include the zeolites, which can also be used, as well as mixtures of the abovementioned builder substances.
  • Trisodium citrate and / or pentasodium tripolyphosphate and / or gluconates and / or silicate builders from the class of the metasilicates are preferably used.
  • the inorganic thickeners described above can also have a builder effect, but are not included in the scope of the present invention when calculating the amounts of builder used.
  • Particularly preferred agents contain one or more water-soluble builder substances, preferably from the group of alkali metal citrates and / or phosphates, in amounts of 10 to 50% by weight, preferably in amounts of 12.5 to 45% by weight and in particular in amounts of 15 to 40% by weight, based in each case on the total agent.
  • water-soluble builder substances preferably from the group of alkali metal citrates and / or phosphates, in amounts of 10 to 50% by weight, preferably in amounts of 12.5 to 45% by weight and in particular in amounts of 15 to 40% by weight, based in each case on the total agent.
  • the agents according to the invention can contain further customary washing and cleaning agent ingredients, in particular those from the group of the complexing agents, the corrosion inhibitors, the foam inhibitors, the enzymes, the pearlescent agents and / or the colorants and fragrances.
  • Suitable chelating agents are, for example, the alkali salts of ethylenediaminetetraacetic acid (EDTA) or nitrilotriacetic acid (NTA) and alkali metal salts of anionic polyelectrolytes such as polyacrylates, polymaleates and polysulfonates.
  • EDTA ethylenediaminetetraacetic acid
  • NTA nitrilotriacetic acid
  • anionic polyelectrolytes such as polyacrylates, polymaleates and polysulfonates.
  • Low molecular weight hydroxycarboxylic acids such as citric acid, tartaric acid, malic acid or gluconic acid are also suitable.
  • Suitable complexing agents can furthermore be selected from organophosphonates such as, for example, l-hydroxyethane-l, l-diphosphonic acid (HEDP), aminotri (methylenephosphonic acid) (ATMP), diethylenetriaminepenta (methylenephosphonic acid) and 2-phosphonobutane-l, 2,4-tricarboxylic acid ( PBS-AM).
  • organophosphonates such as, for example, l-hydroxyethane-l, l-diphosphonic acid (HEDP), aminotri (methylenephosphonic acid) (ATMP), diethylenetriaminepenta (methylenephosphonic acid) and 2-phosphonobutane-l, 2,4-tricarboxylic acid ( PBS-AM).
  • Dishwashing detergents according to the invention can contain corrosion inhibitors to protect the washware or the machine, silver protection agents in particular being of particular importance in the field of automatic dishwashing.
  • the known substances of the prior art such as. B. described in DE 43 25 922, DE 41 28 672 or DE 43 38 724.
  • silver protection agents can be selected from the group of triazoles, benzotriazoles, bisbenzotria zoles, the aminotriazoles, the alkylaminotriazoles and the transition metal salts or complexes are used. Benzotriazole and / or alkylaminotriazole are particularly preferably to be used.
  • detergent formulations often contain agents containing active chlorine, which can significantly reduce the corrosion of the silver surface.
  • oxygen and nitrogen-containing organic redox-active compounds such as di- and trihydric phenols, e.g. B. hydroquinone, pyrocatechol, hydroxyhydroquinone, gallic acid, phloroglucin, pyrogallol or derivatives of these classes of compounds.
  • Salt-like and complex-like inorganic compounds such as salts of the metals Mn, Ti, Zr, Hf, V, Co and Ce, are also frequently used.
  • transition metal salts which are selected from the group consisting of manganese and / or cobalt salts and / or complexes, particularly preferably the cobalt (amine) complexes, the cobalt (acetate) complexes, the cobalt (carbonyl) complexes , the chlorides of cobalt or manganese and manganese sulfate.
  • Zinc compounds can also be used to prevent corrosion on the wash ware.
  • Suitable non-surfactant foam inhibitors are e.g. Organopolysiloxanes and their mixtures with microfine, optionally silanized silica or bistearylethylene diamide. Mixtures of different foam inhibitors are also used with advantages, for example those made of silicone, paraffins or waxes.
  • the foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance. Mixtures of paraffins and bistearylethylenediamides are particularly preferred.
  • enzymes can be added to the cleaning agents according to the invention in order to increase the performance of the cleaning agents or to ensure the same quality of cleaning performance under milder conditions.
  • the most commonly used enzymes include lipases, amylases, cellulases and proteases.
  • Preferred proteases are e.g. B. BLAP ® 140 from Biozym, Optimase ® -M-440 and Opticlean ® -M-250 from Solvay Enzymes; Maxacal ® CX and Maxapem ® or Esperase ® from Gist Brocades or Savinase ® from Novo.
  • cellulases and lipases are Celluzym ® 0.7 T and Lipolase ® 30 T Novo Nordisk.
  • Termamyl ® 60 T and Termamyl ® 90 T from Novo are Celluzym ® 60 T and Termamyl ® 90 T from Novo, Amylase-LT ® from Solvay Enzymes or Maxamyl ® P5000 from Gist Brocades and Purafect OxAm4000G ® from Genencor, but also other enzymes, find particular use as amylases can be applied.
  • Dyes and fragrances are used in the process according to the invention in order to improve the aesthetic impression of the products and, in addition to the washing and cleaning performance, to provide the consumer with a visually and sensorially "typical and unmistakable" product.
  • Individual fragrance compounds e.g. the synthetic products of the ester, ether, aldehyde, ketone, alcohol and hydrocarbon type are used. Fragrance compounds of the ester type are e.g.
  • the ethers include, for example, benzyl ethyl ether, the aldehydes e.g.
  • the linear alkanals with 8-18 C atoms citral, citronellal, citronellyloxyacetaldehyd, cyclamenaldehyde, hydroxycitronellal, lilial and bourgeonal, to the ketones e.g. the jonones, oc-isomethyl ionone and methyl cedryl ketone, the alcohols anethole, citronellol, eugenol, geraniol, linalool, phenylethyl alcohol and terpineol, the hydrocarbons mainly include the terpenes such as limonene and pinene. However, preference is given to using mixtures of different fragrances which together produce an appealing fragrance.
  • perfume oils can also contain natural fragrance mixtures as are available from plant sources, e.g. Pine, citrus, jasmine, patchouli, rose or ylang-ylang oil. Also suitable are muscatel, sage oil, chamomile oil, clove oil, lemon balm oil, mint oil, cinnamon leaf oil, linden blossom oil, juniper berry oil, vetiver oil, olibanum oil, galbanum oil and labdanum oil as well as orange blossom oil, neroliol, orange peel oil and sandalwood oil.
  • the colorant content of the cleaning agents according to the invention is usually less than 0.01% by weight, while fragrances can make up up to 2% by weight of the entire formulation.
  • the agents according to the invention can be prepared in a manner known per se by mixing the individual constituents. In preferred production processes, the surfactants to be used are heated and mixed with the structuring agent. The bleaching agent and the other ingredients with the exception of the bleach activator and the enzymes are then added to the cooled mixture and the mixture is ground in a roller mill. After the grinding step, the remaining ingredients are then mixed in. Depending on the amounts of thickening system used, higher-viscosity liquids, flowable gels or cut-resistant pastes are formed.
  • the average particle size of the bleaching agents and thickeners and of the optional builders is less than 75 ⁇ m, preferably less than 50 ⁇ m and in particular less than 25 ⁇ m.
  • the following agents according to the invention were prepared by heating the nonionic surfactant, incorporating the structuring agent (dibenzylidene sorbitol or Tixogel), cooling, mixing with all other constituents with the exception of the bleach activator and the enzymes, grinding on a roller mill and subsequent addition of bleach activator and enzymes:
  • Table 1 Composition of machine dishwashing detergents [% by weight]
  • MMA is N-methyl-morpholino-acetonitrile methosulfate
  • Tixogel MP 250 is a modified bentonite
  • the agent El according to the invention was tested in a household dishwasher against a commercially available powder compact cleaner VI (branded product) on various types of soiling (washing conditions: Miele G 590, 55 ° C. normal program, water hardness 16 ° d, dosage: 25 g cleaner).
  • Table 2 shows the results of the evaluation by an expert panel, using the following evaluation scheme:

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Abstract

L'invention concerne des détergents pour la vaisselle liquides, stables au stockage et dans lesquels il ne se forme pas de dépôt, dont le niveau de performance atteint ou dépasse celui de produits solides habituels. Ces détergents contiennent un ou des tensioactifs, des agents de blanchiment, ainsi qu'éventuellement d'autres constituants habituels de détergents et, en plus, a) 0,1 à 1,0 % en poids d'un ou de plusieurs texturants du groupe des bentonites et/ou des sorbitols au moins partiellement éthérifiés, ainsi que b) 5,0 à 30 % en poids d'un ou de plusieurs épaississants du groupe des carbonates, des sulfates et des disilicates amorphes ou cristallins.
PCT/EP1999/003327 1998-05-22 1999-05-14 Detergents pour la vaisselle non aqueux visqueux WO1999061571A1 (fr)

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Application Number Priority Date Filing Date Title
EP99924973A EP1080174A1 (fr) 1998-05-22 1999-05-14 Detergents pour la vaisselle non aqueux visqueux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19822939.9 1998-05-22
DE1998122939 DE19822939A1 (de) 1998-05-22 1998-05-22 Nichtwäßrige viskose Geschirreinigungsmittel

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WO1999061571A1 true WO1999061571A1 (fr) 1999-12-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1614741A1 (fr) * 2004-07-06 2006-01-11 JohnsonDiversey, Inc. Composition détergente blanchissante sous forme de dispersion stable non-aqueuse
US8293697B2 (en) * 2009-03-18 2012-10-23 The Procter & Gamble Company Structured fluid detergent compositions comprising dibenzylidene sorbitol acetal derivatives

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DE10153553A1 (de) 2001-07-07 2003-06-12 Henkel Kgaa Nichtwäßrige "3in1"-Geschirrspülmittel II
EP1417291B1 (fr) 2001-08-17 2010-04-07 Henkel AG & Co. KGaA Produits de lavage pour lave-vaisselle garantissant une protection amelioree contre la corrosion du verre
DE102010005809A1 (de) 2010-01-27 2011-07-28 Giesecke & Devrient GmbH, 81677 Tragbarer Datenträger mit funkbasierter Datenkommunikationseinrichtung
EP2743339B1 (fr) * 2012-12-12 2018-02-21 The Procter & Gamble Company Structuration améliorée avec des fils d'agents structurants cristallins non polymères contenant de l'hydroxyle
US9127235B2 (en) 2013-10-09 2015-09-08 Ecolab Usa Inc. Alkaline detergent composition containing a carboxylic acid/polyalkylene oxide copolymer for hard water scale control
US9487738B2 (en) 2013-10-09 2016-11-08 Ecolab Usa Inc. Solidification matrix comprising a carboxylic acid terpolymer

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EP1614741A1 (fr) * 2004-07-06 2006-01-11 JohnsonDiversey, Inc. Composition détergente blanchissante sous forme de dispersion stable non-aqueuse
WO2006014223A1 (fr) * 2004-07-06 2006-02-09 Johnsondiversey, Inc. Dispersion d’une composition de détergent de blanchiment stable non aqueux
US8293697B2 (en) * 2009-03-18 2012-10-23 The Procter & Gamble Company Structured fluid detergent compositions comprising dibenzylidene sorbitol acetal derivatives

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EP1080174A1 (fr) 2001-03-07

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