EP2185674B1 - Détergents - Google Patents

Détergents Download PDF

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Publication number
EP2185674B1
EP2185674B1 EP08803450A EP08803450A EP2185674B1 EP 2185674 B1 EP2185674 B1 EP 2185674B1 EP 08803450 A EP08803450 A EP 08803450A EP 08803450 A EP08803450 A EP 08803450A EP 2185674 B1 EP2185674 B1 EP 2185674B1
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EP
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Prior art keywords
automatic dishwashing
dishwashing agent
carbon atoms
mixtures
denotes
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German (de)
English (en)
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EP2185674A1 (fr
EP2185674B2 (fr
Inventor
Johannes Zipfel
Nadine Warkotsch
Arnd Kessler
Christian Nitsch
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C11D1/721—End blocked ethers
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate

Definitions

  • the present patent application describes detergents, in particular detergents for the machine cleaning of dishes.
  • This application particularly relates to automatic dishwashing detergents which contain a combination of specific nonionic surfactants and anionic polymers.
  • Dishwashing detergents are available to the consumer in a variety of forms. In addition to the traditional liquid hand dishwashing detergents, machine dishwashing detergents are particularly important with the spread of household dishwashers. These automatic dishwashing agents are typically offered to the consumer in solid form, for example as powders or as tablets, but increasingly also in liquid form.
  • the cleaning agents were preferably added to new ingredients, for example, more effective surfactants, polymers or bleach.
  • new ingredients for example, more effective surfactants, polymers or bleach.
  • new ingredients are available only to a limited extent and the amount of ingredients used for each cleaning cycle can not be increased to any extent for ecological and economic reasons, this approach has natural limits.
  • the drying performance is another essential feature of automatic dishwashing detergent. Since the drying of the dishes is essentially caused by the heat of the dishes after the completion of the mechanical cleaning process, high-temperature cleaning methods are usually characterized by improved drying compared to low-temperature cleaning methods. However, high temperature cleaning processes are necessarily characterized by increased energy input and, consequently, increased human and environmental costs.
  • the object of this application was to provide a machine dishwashing detergent, which has a good cleaning and rinsing performance and improved drying of the cleaned dishes even in low-temperature cleaning operations or cleaning cycles with low water consumption.
  • machine dishwashing detergents contain one or more builders.
  • the proportion by weight of the builders in the total weight of automatic dishwashing detergents according to the invention is preferably from 15 to 50% by weight and in particular from 20 to 40% by weight.
  • the builders include in particular carbonates, phosphates, organic cobuilders and silicates.
  • organic co-builders are polycarboxylates / polycarboxylic acids, polymeric carboxylates, aspartic acid, polyacetals, dextrins and organic cobuilders. These classes of substances are described below.
  • Useful organic builders are, for example, the polycarboxylic acids which can be used in the form of the free acid and / or their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function. These are, for example, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), if such use is not objectionable for ecological reasons, and mixtures of these.
  • the free acids also typically have the property of an acidifying component and thus also serve to set a lower and milder pH of detergents or cleaners.
  • citric acid, succinic acid, glutaric acid, adipic acid, gluconic acid and any desired mixtures of these can be mentioned here.
  • Particularly preferred machine dishwasher detergents according to the invention contain citrate as one of their essential builders.
  • Machine dishwashing detergents characterized in that they contain 2 to 40% by weight, preferably 5 to 30% by weight and in particular 7 to 20% by weight citrate, are preferred according to the invention.
  • Citrate or citric acid have proven, in addition to the phosphates, to be the most effective builders in combination with phosphonate, in particular 1-hydroxyethane-1,1-diphosphonic acid, and the sulfonic acid group-containing copolymers in terms of cleaning performance, such as rinse aid performance and, in particular, scale inhibition.
  • polymeric polycarboxylates for example the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example those having a relative molecular mass of 500 to 70,000 g / mol.
  • Suitable polymers are, in particular, polyacrylates which preferably have a molecular weight of 2,000 to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molar masses of from 2000 to 10000 g / mol, and particularly preferably from 3000 to 5000 g / mol, may again be preferred from this group.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
  • Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
  • Their relative molecular weight, based on free acids is generally from 2000 to 70000 g / mol, preferably from 20,000 to 50,000 g / mol and in particular from 30,000 to 40,000 g / mol.
  • the content of the automatic dishwashing agents in (co) polymeric polycarboxylates is preferably from 0.5 to 20% by weight and in particular from 3 to 10% by weight.
  • Automatic dishwashing detergents according to the invention can be prepared as builder crystalline layer-form silicates of the general formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 22, preferably from 1.9 to 4, Particularly preferred values for x are 2, 3 or 4, and y is a number from 0 to 33, preferably from 0 to 20.
  • phosphates In addition to citrates, phosphates have proven to be the most effective builders in terms of cleaning performance. Among the large number of commercially available phosphates, the alkali metal phosphates, with a particular preference for pentasodium or pentapotassium triphosphate (sodium or potassium tripolyphosphate), have the greatest importance in the washing and cleaning agent industry.
  • Alkali metal phosphates is the summary term for the alkali metal (especially sodium and potassium) salts of various phosphoric acids, in which one can distinguish metaphosphoric acids (HPO 3 ) n and orthophosphoric H 3 PO 4 in addition to higher molecular weight representatives.
  • the phosphates combine several advantages: they act as alkali carriers, prevent lime deposits on machine parts or lime incrustations in fabrics and also contribute to the cleaning performance.
  • phosphates are the pentasodium triphosphate, Na 5 P 3 O 10 (sodium tripolyphosphate) and the corresponding potassium salt pentapotassium triphosphate, K 5 P 3 O 10 (potassium tripolyphosphate).
  • the sodium potassium tripolyphosphates are also preferably used according to the invention.
  • phosphates are used as detergents or cleaning agents in the context of the present application
  • preferred agents comprise these phosphate (s), preferably alkali metal phosphate (s), more preferably pentasodium or pentapotassium triphosphate (sodium or pentasodium) Potassium tripolyphosphate), in amounts of 2 to 50 wt .-%, preferably from 2 to 30 wt .-% and in particular from 3 to 25 wt .-%, particularly preferably from 3 to 15 wt .-%, each based on the Weight of washing or cleaning agent.
  • phosphate preferably alkali metal phosphate (s), more preferably pentasodium or pentapotassium triphosphate (sodium or pentasodium) Potassium tripolyphosphate
  • 2 to 50 wt .-% preferably from 2 to 30 wt .-% and in particular from 3 to 25 wt .-%, particularly preferably from 3 to
  • amorphous sodium silicates with a Na 2 O: SiO 2 modulus of from 1: 2 to 1: 3.3, preferably from 1: 2 to 1: 2.8 and in particular from 1: 2 to 1: 2.6, which preferably delayed release and have secondary washing properties.
  • the content of silicates is limited to amounts below 10% by weight, preferably below 5% by weight and in particular below 2% by weight.
  • Particularly preferred automatic dishwasher detergents according to the invention are silicate-free.
  • the automatic dishwashing compositions according to the invention may contain the aforementioned builders both in the form of individual substances and in the form of substance mixtures of two, three, four or more builders.
  • the agents according to the invention may contain alkali metal hydroxides.
  • These alkali carriers are preferred in the cleaning agents only in small amounts, preferably in amounts below 10 wt .-%, preferably below 6 wt .-%, preferably below 5 wt .-%, particularly preferably between 0.1 and 5 wt .-% and in particular between 0.5 and 5 wt .-%, each based on the total weight of the cleaning agent used.
  • the dishwashing detergent contains at least two builders from the group of the phosphates, carbonates and citrates, the weight fraction of these builders, based on its total weight of the automatic dishwashing agent, preferably from 2 to 50% by weight, preferably 5 to 40 wt .-% and in particular 10 to 30 wt .-% is.
  • the combination of two or more builders from the above-mentioned group has proved to be advantageous for the cleaning and rinsing performance of automatic dishwashing agents according to the invention.
  • anionic copolymer comprising i) unsaturated carboxylic acid (s) ii) sulfonic acid group-containing monomer (s) *** "-" in this, as in all the following tables, means: the recipe is free of this ingredient
  • Dishwashing agents according to the invention contain nonionic surfactants of the general formula R 1 O [CH 2 CH (CH 3 ) O] x [CH 2 CH 2 O] y [CH 2 CH (CH 3 ) O] z CH 2 CH (OH ) R 2 .
  • the addition of surfactants has proved to be advantageous, in particular with regard to rinse performance and drying.
  • the automatic dishwashing detergent contains, based on its total weight, nonionic surfactant of the general formula R 1 O [CH 2 CH (CH 3 ) O] x [CH 2 CH 2 O] y [CH 2 CH (CH 3 ) O ] z CH 2 CH (OH) R 2 in amounts of from 0.1 to 15% by weight, preferably from 0.2 to 10% by weight, particularly preferably from 0.5 to 8% by weight and in particular from 1, 0 to 6 wt .-%.
  • R 1 -CH (OH) CH 2 O- (AO) w - (A'O) x - (A "O) y - (A"'O) z -R 2 in which R 1 and R 2 independently of one another represents a straight-chain or branched, saturated or mono- or polyunsaturated C 2-40 -alkyl or -alkenyl radical;
  • A, A ', A "and A'” independently represent a radical from the group -CH 2 CH 2 , -CH 2 CH 2 -CH 2 , -CH 2 -CH (CH 3 ), -CH 2 -CH 2 -CH 2 -CH 2 , -CH 2 -CH (CH 3 ) -CH 2 -, -CH 2 -CH (CH 2 -CH 3 ); and w, x, y and z are values between 0.5 and 90, where x, y and / or z can also be 0 are preferred according to the invention
  • end-capped poly (oxyalkylated) nonionic surfactants which, according to the formula R 1 O [CH 2 CH 2 O] y, contain CH 2 CH (OH) R 2 in the R 1 group for a linear or branched aliphatic hydrocarbon radical to 22 carbon atoms or mixtures thereof, R 2 denotes a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and y is a value between 15 and 120, preferably 20 to 100, especially 20 to 80.
  • the group of these nonionic surfactants includes, for example, hydroxy mixed ethers of the general formula C 6-22 -CH (OH) CH 2 O- (EO) 20-120 -C 2 -26 , for example the C 8-12 fatty alcohol (EO) 22 - 2-hydroxy-alkyl ethers and the C 4-22 fatty alcohol (EO) 40-80 -2-hydroxyalkyl ethers.
  • R 1 is a linear or branched aliphatic hydrocarbon radical with 4 R 2 denotes a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and x for values between 0.5 and 4, preferably 0.5 to 1.5, and y for a value of at least 15 stands.
  • Also preferred according to the invention are also surfactants of the general formula R 1 O [CH 2 CH (CH 3 ) O] x [CH 2 CH 2 O] y CH 2 CH (OH) R 2 in which R 1 is a linear or branched aliphatic Hydrocarbon radical having 4 to 22 carbon atoms or mixtures thereof, R 2 denotes a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and x is a value between 1 and 40 and y is a value between 15 and 40, wherein the alkylene units [CH 2 CH (CH 3 ) O] and [CH 2 CH 2 O] randomized, ie in the form of a random random distribution.
  • the rinse performance and drying can be significantly improved in comparison to conventional polyalkoxylated fatty alcohols without free hydroxyl group.
  • the stated C chain lengths and degrees of ethoxylation or degrees of alkoxylation of the abovementioned nonionic surfactants represent statistical mean values which, for a specific product, may be an integer or a fractional number. Due to the manufacturing process, commercial products of the formulas mentioned are usually not made of an individual representative, but of mixtures, which may result in mean values for the C chain lengths as well as for the degrees of ethoxylation or degrees of alkoxylation and subsequently broken numbers.
  • nonionic surfactants can be used not only as individual substances, but also as surfactant mixtures of two, three, four or more surfactants.
  • Mixtures of surfactants are not mixtures of nonionic surfactants which fall in their entirety under one of the abovementioned general formulas, but rather those mixtures which contain two, three, four or more nonionic surfactants which are described by different of the abovementioned or other general formulas can be.
  • Nonionic surfactants b) which have a melting point above room temperature.
  • a third characterizing ingredient of automatic dishwashing detergents according to the invention are the sulfonic acid-containing copolymers c) which, in addition to sulfonic acid-containing monomer (s), comprise at least one unsaturated carboxylic acid.
  • the copolymers c) may have two, three, four or more different monomer units.
  • Preferred automatic dishwashing agents comprise the polymer c) in amounts of from 0.2 to 18% by weight, preferably 0.5 to 15% by weight and in particular 1.0 to 12% by weight, based in each case on the total weight of the machine dishwashing detergent.
  • unsaturated carboxylic acids are acrylic acid, methacrylic acid, ethacrylic acid, ⁇ -chloroacrylic acid, ⁇ -cyanoacrylic acid, crotonic acid, ⁇ -phenyl-acrylic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, citraconic acid, methylenemalonic acid, sorbic acid, cinnamic acid or mixtures thereof. It goes without saying that it is also possible to use the unsaturated dicarboxylic acids.
  • Particularly preferred monomers containing sulfonic acid groups are 1-acrylamido-1-propanesulfonic acid, 2-acrylamido-2-propanesulfonic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-methacrylamido-2-methyl-1-propanesulfonic acid, 3 Methacrylamido-2-hydroxypropanesulfonic acid, allylsulfonic acid, methallylsulfonic acid, allyloxybenzenesulfonic acid, methallyloxybenzenesulfonic acid, 2-hydroxy-3- (2-propenyloxy) propanesulfonic acid, 2-methyl-2-propene-1-sulfonic acid, styrenesulfonic acid, vinylsulfonic acid, 3-sulfopropyl acrylate, 3-sulfopropyl methacrylate , Sulfomethacrylamide, sulfomethylmethacrylamide and mixtures of said acids or their water-soluble
  • the sulfonic acid groups may be wholly or partially in neutralized form, i. in that the acidic acid of the sulfonic acid group in some or all sulfonic acid groups can be exchanged for metal ions, preferably alkali metal ions and in particular for sodium ions.
  • metal ions preferably alkali metal ions and in particular for sodium ions.
  • partially or fully neutralized sulfonic acid-containing copolymers is preferred according to the invention.
  • the monomer distribution of the copolymers preferably used according to the invention in the case of copolymers which contain only monomers from groups i) and ii) is preferably in each case from 5 to 95% by weight i) or ii), particularly preferably from 50 to 90% by weight monomer from group ii) and from 10 to 50% by weight of monomer from group i), in each case based on the polymer.
  • the molar mass of the sulfo copolymers preferably used according to the invention can be varied in order to adapt the properties of the polymers to the desired end use.
  • Preferred automatic dishwashing agents are characterized in that the copolymers have molar masses of from 2000 to 200,000 gmol -1 , preferably from 4000 to 25,000 gmol -1 and in particular from 5000 to 15,000 gmol -1 .
  • the copolymers c) comprise, besides carboxyl-containing monomer and monomer containing sulfonic acid groups, at least one nonionic, preferably hydrophobic, monomer.
  • nonionic monomers are butene, isobutene, pentene, 3-methylbutene, 2-methylbutene, cyclopentene, hexene, hexene-1, 2-methylpentene-1, 3-methylpentene-1, cyclohexene, methylcyclopentene, cycloheptene, methylcyclohexene, 2,4 , 4-trimethylpentene-1, 2,4,4-trimethylpentene-2, 2,3-dimethylhexene-1, 2,4-dimethylhexene-1, 2,5-dimethlyhexene-1, 3,5-dimethylhexene-1, 4,4-dimethylhexane-1, ethylcyclohexyn, 1-octene, ⁇ -olefins with 10 or more carbon atoms such as 1-decene, 1-dodecene, 1-hexadecene, 1-octadecene and C22-
  • a weight ratio of the constituents c) and b) of less than 2.8: 1 has proven advantageous, in particular in the case of low-temperature cleaning processes.
  • the weight ratio of components c) and b) denotes the ratio of the weight proportions c) and b) of the total weight of the automatic dishwashing agent to one another.
  • the weight fraction of the surfactant b) should therefore amount to at least one third of the weight fraction of the anionic polymer c).
  • At a weight proportion of the anionic polymer of 9 wt .-% of the total weight of the automatic dishwashing agent of the weight fraction of the surfactant is thus at least 3 wt .-% of the total weight of the automatic dishwashing detergent.
  • Machine dishwashing detergent according to one of the preceding claims, characterized in that the weight ratio of the components c) and b) less than 2.8: 1, preferably less than 2.5: 1, more preferably less than 2.2: 1 and in particular between 2.2: 1 and 1:10, are preferred according to the invention.
  • the dishwasher detergents according to the invention may contain phosphonate (s).
  • the proportion by weight of the phosphonate, based on the total weight of the automatic dishwashing agent, is preferably 0.5 to 10% by weight, preferably 1.0 to 9% by weight and in particular 1.5 to 7% by weight, more preferably 2 , 0 to 5 wt .-%.
  • the cleaning performance of bleachable soilings can be improved, in particular in the case of proportions by weight of the phosphonate above 1.5% by weight of the total weight of the automatic dishwashing detergent. This is especially true for bleach-free automatic dishwashing detergents.
  • the complexing phosphonates include a number of different compounds such as 1-hydroxyethane-1,1-diphosphonic acid (HEDP) or diethylenetriamine penta (methylenephosphonic acid) (DTPMP). Hydroxyalkane or aminoalkane phosphonates are particularly preferred in this application. Among the hydroxyalkane phosphonates, 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a co-builder. It is preferably used as the sodium salt, the disodium salt neutral and the tetrasodium salt alkaline (pH 9).
  • Preferred aminoalkanephosphonates are ethylenediamine tetramethylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologs. They are preferably in the form of neutral sodium salts, eg. B. as the hexasodium salt of EDTMP or as hepta- and octa-sodium salt of DTPMP used. Preference is given to using HEDP from the group of phosphonates.
  • automatic dishwashing detergents which contain as phosphonates 1-hydroxyethane-1,1-diphosphonic acid (HEDP) or diethylenetriaminepenta (methylenephosphonic acid) (DTPMP).
  • HEDP 1-hydroxyethane-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepenta
  • Machine dishwashing detergents which contain as phosphonate 1-hydroxyethane-1,1-diphosphonic acid (HEDP) are particularly preferred according to the invention.
  • MGDA methylglycinediacetic acid
  • dishwashing compositions according to the invention may also contain enzymes. These include in particular proteases, amylases, lipases, hemicellulases, cellulases, perhydrolases or oxidoreductases, and preferably mixtures thereof. These enzymes are basically of natural origin; Starting from the natural molecules, improved variants are available for use in detergents or cleaning agents, which are preferably used accordingly. Detergents or cleaning agents contain enzymes preferably in total amounts of 1 ⁇ 10 -6 to 5 wt .-% based on active protein. The protein concentration can be determined by known methods, for example the BCA method or the biuret method.
  • subtilisin type those of the subtilisin type are preferable.
  • these are the subtilisins BPN 'and Carlsberg and their further developed forms, the protease PB92, the subtilisins 147 and 309, the alkaline protease from Bacillus lentus, subtilisin DY and the enzymes thermitase which can no longer be assigned to the subtilisins in the narrower sense, Proteinase K and the proteases TW3 and TW7.
  • amylases which can be used according to the invention are the ⁇ -amylases from Bacillus licheniformis, B. amyloliquefaciens, B. stearothermophilus, Aspergillus niger and A. oryzae, as well as the further developments of the aforementioned amylases which are improved for use in detergents and cleaners. Furthermore, for this purpose, the ⁇ -amylase from Bacillus sp. A 7-7 (DSM 12368) and the cyclodextrin glucanotransferase (CGTase) from B. agaradherens (DSM 9948).
  • DSM 12368 Bacillus sp. A 7-7
  • CTTase cyclodextrin glucanotransferase
  • lipases or cutinases are also usable according to the invention.
  • these include, for example, the lipases originally obtainable from Humicola lanuginosa (Thermomyces lanuginosus ) or further developed, in particular those containing the amino acid exchange D96L.
  • the cutinases can be used, which were originally isolated from Fusarium solani pisi and Humicola insolens . It is also possible to use lipases, or cutinases, whose initial enzymes were originally isolated from Pseudomonas mendocina and Fusarium solanii .
  • Oxidoreductases for example oxidases, oxygenases, catalases, peroxidases, such as halo, chloro, bromo, lignin, glucose or manganese peroxidases, dioxygenases or laccases (phenol oxidases, polyphenol oxidases) can be used according to the invention to increase the bleaching effect.
  • a protein and / or enzyme may be particularly protected during storage against damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
  • damage such as inactivation, denaturation or degradation, such as by physical influences, oxidation or proteolytic cleavage.
  • inhibition of proteolysis is particularly preferred, especially if the agents also contain proteases.
  • Detergents may contain stabilizers for this purpose; the provision of such means constitutes a preferred embodiment of the present invention.
  • the automatic dishwashing detergent based in each case on its total weight, contains from 0.1 to 12% by weight, preferably from 0.2 to 10% by weight and in particular from 0.5 to 8% by weight.
  • Washing or cleaning-active proteases and amylases are generally not provided in the form of the pure protein but rather in the form of stabilized, storable and transportable preparations.
  • Such prefabricated preparations include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, especially in the case of liquid or gel-form detergents, solutions of the enzymes, advantageously as concentrated as possible, low in water and / or added with stabilizers or further auxiliaries.
  • the enzymes may be encapsulated for both the solid and liquid dosage forms, for example by spray-drying or extruding the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in those of the core-shell type, in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
  • further active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes, may additionally be applied.
  • Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
  • such granules for example by applying polymeric film-forming agent, low in dust and storage stable due to the coating.
  • the enzyme protein forms only a fraction of the total weight of conventional enzyme preparations.
  • Protease and amylase preparations preferably used according to the invention contain between 0.1 and 40% by weight, preferably between 0.2 and 30% by weight, particularly preferably between 0.4 and 20% by weight and in particular between 0, 8 and 10 wt .-% of the enzyme protein.
  • Glass corrosion inhibitors are further preferred ingredients of automatic dishwashing detergents according to the invention. Glass corrosion inhibitors prevent the occurrence of haze, streaks and scratches, but also iridescence of the glass surface of machine-cleaned glasses. Preferred glass corrosion inhibitors come from the group of magnesium and zinc salts and magnesium and zinc complexes.
  • the spectrum of the invention preferred zinc salts, preferably organic acids, particularly preferably organic carboxylic acids, ranging from salts which are difficult or insoluble in water, ie a solubility below 100 mg / l, preferably below 10 mg / l, in particular below 0.01 have mg / l, to those salts which have a solubility in water above 100 mg / l, preferably above 500 mg / l, more preferably above 1 g / l and in particular above 5 g / l (all solubilities at 20 ° C. water temperature).
  • the first group of zinc salts includes, for example, zinc citrate, zinc oleate and zinc stearate
  • the group of soluble zinc salts includes, for example, zinc formate, zinc acetate, zinc lactate and zinc gluconate.
  • the glass corrosion inhibitor at least one zinc salt of an inorganic or organic carboxylic acid, particularly preferably a zinc salt from the group zinc stearate, zinc oleate, zinc gluconate, zinc acetate, zinc lactate and zinc citrate.
  • Zinc ricinoleate, zinc abietate and zinc oxalate are also preferred.
  • the content of zinc salt in detergents or cleaners is preferably between 0.1 and 5% by weight, preferably between 0.2 and 4% by weight and in particular between 0.4 and 3% by weight.
  • the content of zinc in oxidized form (calculated as Zn 2+ ) between 0.01 to 1 wt .-%, preferably between 0.02 to 0.5 wt .-% and in particular between 0.04 to 0, 5 wt .-%, each based on the total weight of the glass corrosion inhibitor-containing agent.
  • machine dishwashing detergents may contain an oxygen bleach.
  • an oxygen bleach is Among the compounds serving as bleaches in water H 2 O 2 , sodium percarbonate, sodium perborate tetrahydrate and sodium perborate monohydrate are of particular importance.
  • Other useful bleaching agents are, for example, peroxypyrophosphates, citrate perhydrates and H 2 O 2 -forming peracidic salts or peracids, such as perbenzoates, peroxophthalates, diperazelaic acid, phthaloiminoperacid or diperdodecanedioic acid.
  • bleaching agents from the group of organic bleaching agents can also be used.
  • Typical organic bleaching agents are the diacyl peroxides, such as Dibenzoyl.
  • Other typical organic bleaches are the peroxyacids, examples of which include the alkyl peroxyacids and the aryl peroxyacids.
  • Preferred automatic dishwashing detergents are characterized in that the dishwashing agent, based in each case on the total weight of the dishwashing detergent, is 1.0 to 20% by weight, preferably 4.0 to 18% by weight and in particular 8 to 15% by weight of an oxygen bleaching agent , preferably 1.0 to 20 wt .-%, preferably 4.0 to 18 wt .-% and in particular 8 to 15 wt .-% sodium percarbonate.
  • the automatic dishwasher detergents according to the invention may additionally contain bleach activators.
  • bleach activators it is possible to use compounds which, under perhydrolysis conditions, give aliphatic peroxycarboxylic 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 stated C atom number and / or optionally substituted benzoyl groups.
  • Preference is given to polyacylated alkylenediamines, with tetraacetylethylenediamine (TAED) having proven particularly suitable.
  • TAED tetraacetylethylenediamine
  • bleach activators in particular TAED, are preferably used in amounts of up to 10% by weight, in particular 0.1% by weight to 8% by weight, especially 2 to 8% by weight and more preferably 2 to 6% by weight. , in each case based on the total weight of the bleach activator-containing agents used.
  • bleach catalysts can also be used.
  • These substances are bleach-enhancing transition metal salts or transition metal complexes such as, for example, Mn, Fe, Co, Ru or Mo saline complexes or carbonyl complexes.
  • Mn, Fe, Co, Ru, Mo, Ti, V and Cu complexes with N-containing tripod ligands and Co, Fe, Cu and Ru ammine complexes can also be used as bleach catalysts.
  • complexes of manganese in the oxidation state II, III, IV or IV which preferably contain one or more macrocyclic ligands with the donor functions N, NR, PR, O and / or S.
  • ligands are used which have nitrogen donor functions.
  • bleach catalyst (s) in the compositions of the invention, which as macromolecular ligands 1,4,7-trimethyl-1,4,7-triazacyclononan (Me-TACN), 1,4,7-triazacyclononane (TACN ), 1,5,9-trimethyl-1,5,9-triazacyclododecane (Me-TACD), 2-methyl-1,4,7-trimethyl-1,4,7-triazacyclononane (Me / Me-TACN) and or 2-methyl-1,4,7-triazacyclononane (Me / TACN).
  • Me-TACN 1,4,7-trimethyl-1,4,7-triazacyclononan
  • TACN 1,4,7-triazacyclononane
  • TACD 1,5,9-trimethyl-1,5,9-triazacyclododecane
  • Me-TACD 2-methyl-1,4,7-trimethyl-1,4,7-triazacyclononane
  • 2-methyl-1,4,7-triazacyclononane
  • Machine dishwashing detergent characterized in that it further comprises a bleach catalyst selected from the group of bleach-enhancing transition metal salts and transition metal complexes, preferably from the group of complexes of manganese with 1,4,7-trimethyl-1,4,7-triazacyclononane (Me 3 -TACN ) or 1,2,4,7-tetramethyl-1,4,7-triazacyclononane (Me 4 -TACN), are preferred according to the invention, since in particular the cleaning result can be significantly improved by the aforementioned bleach catalysts.
  • a bleach catalyst selected from the group of bleach-enhancing transition metal salts and transition metal complexes, preferably from the group of complexes of manganese with 1,4,7-trimethyl-1,4,7-triazacyclononane (Me 3 -TACN ) or 1,2,4,7-tetramethyl-1,4,7-triazacyclononane (Me 4 -TACN), are preferred according to the invention, since in particular the cleaning result can be significantly improved by the aforementioned
  • the automatic dishwashing agents used according to the invention can be formulated in solid or liquid form but can also be present, for example, as a combination of solid and liquid forms.
  • Powder, granules, extrudates or compactates, in particular tablets, are particularly suitable as firm supply forms.
  • the liquid supply forms preferably based on water and / or organic solvents, may be thickened, in the form of gels.
  • Aqueous automatic dishwasher detergents are preferred according to the invention.
  • the water content of these aqueous automatic dishwashing agents is preferably between 10 and 80% by weight, preferably between 20 and 70% by weight and in particular between 30 and 60% by weight.
  • preferred automatic dishwashing detergents are characterized in that the automatic dishwashing detergent has a pH (20 ° C.) between 8 and 12, preferably between 9 and 11.5, preferably between 9.5 and 11.5.
  • the automatic dishwasher detergents which are present in the form of a liquid, aqueous, low-alkaline preparation having a pH (20 ° C.) of between 8 and 12, preferably between 9 and 11.5, preferably between 9.5 and 11.5.
  • the cleaning performance of automatic dishwashing detergents according to the invention can be improved by the addition of organic solvents.
  • the preferred subject of the present application are therefore automatic dishwashing detergents which, in addition to the other ingredients listed, furthermore contain at least one organic solvent.
  • Preferred liquid automatic dishwashing detergents are characterized in that the dishwashing detergent, based on its total weight, organic solvent in amounts of 0.2 to 15 wt .-%, preferably 0.5 to 12 wt .-%, particularly preferably 1.0 to 10 wt .-%.
  • organic solvents are derived, for example, from the groups of the monoalcohols, diols, triols or polyols, the ethers, esters and / or amides. Particular preference is given to organic solvents which are water-soluble, "water-soluble" solvents in the context of the present application being solvents which are completely water-soluble at room temperature, ie. without miscibility, are miscible.
  • Organic solvents which can be used in the compositions according to the invention preferably originate from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the given concentration range.
  • the solvents are preferably selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, in particular 1,2-propanediol, glycerol, diglycol, propyl- or butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, etheylene glycol mono-n butyl ether, diethylene glycol methyl ether, di-ethylene glycol ethyl ether, propylene glycol methyl, ethyl or propyl ether, dipropylene glycol methyl or ethyl ether, methoxy,
  • the organic solvents from the group of the organic amines and / or the alkanolamines have proven to be particularly effective with regard to the cleaning performance and again with regard to the cleaning performance of bleachable soilings, in particular of tea stains.
  • Particularly preferred organic amines are the primary and secondary alkylamines, the alkyleneamines and mixtures of these organic amines.
  • the group of preferred primary alkylamines include monomethylamine, monoethylamine, monopropylamine, monobutylamine, monopentylamine and cyclohexylamine.
  • the group of preferred secondary alkylamines includes in particular dimethylamine.
  • Preferred alkanolamines are in particular the primary, secondary and tertiary alkanolamines and mixtures thereof.
  • Particularly preferred primary alkanolamines are monoethanolamine (2-aminoethanol, MEA), monoisopropanolamine, diethylethanolamine (2- (diethylamino) ethanol).
  • Particularly preferred secondary alkanolamines are diethanolamine (2,2'-iminodiethanol, DEA, bis (2-hydroxyethyl) amine), N-methyl-diethanolamine, N-ethyl-diethanolamine. Diisopropanolamine and morpholine.
  • Particularly preferred tertiary alkanolamines are triethanolamine and triisopropanolamine.
  • the proportion by weight of alkanolamine in the total weight of preferred automatic dishwashing agent according to the invention is from 0.1 to 10% by weight, preferably from 0.2 to 8% by weight, preferably from 0.4 to 6% by weight and in particular from 1 to 5% by weight. %
  • thickening agents are preferably added to these agents.
  • a large group of particularly preferred thickeners are the fully synthetic polymers such as polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids, polyethers, polyimines, polyamides and polyurethanes. Thickening agents from these classes of compounds are widely available commercially and are sold for example under the trade name Acusol ® -810, Acusol ® -820 (methacrylic acid (stearyl alcohol 20 EO) ester-acrylic acid copolymer, 30% in water, Rohm & Haas), Dapral ®-GT-282-S (alkyl polyglycol ethers, Akzo), DEUTEROL ® polymer-11 (dicarboxylic acid copolymer, Schoner GmbH) deuteron ® -xg (anionic heteropolysaccharide based on ⁇ -D-glucose, D-mannose, D- glucuronic acid, Schoner GmbH), -XN deuteron ® (non-ionic polysacc
  • thickening agents examples include agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins, gelatin, casein, carboxymethylcellulose, gum ethers, polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids , Polyethers, polyimines, polyamides, polysilicic acids, clay minerals such as montmorillonites, zeolites and silicas.
  • the machine dishwashing detergents according to the invention contain the thickener in amounts of between 0.1 and 8% by weight, preferably between 0.2 and 6% by weight and more preferably between 0.4 and 4% by weight. % based on the total weight of the automatic dishwashing detergent.
  • the pourability and settling stability of the liquid dishwasher detergents preferred according to the invention can, in addition to the thickeners, also be influenced by the ratio of the potassium and sodium ions in this composition.
  • preferred liquid automatic dishwasher detergents which have a ratio of potassium to potassium have proved to be advantageous Sodium ions above 1: 1, preferably above 2: 1, more preferably above 4: 1 and in particular above 8.1.
  • the packaging and packaging according to the invention preferred liquid agent is carried out using the known in the art water-soluble or water-insoluble packaging material.
  • the packaging means may be one, two or more chamber container.
  • water-insoluble a two- or multi-chamber container typically have a total volume of between 100 and 5000 ml, preferably between 200 and 2000 ml.
  • the volume of the individual chambers is preferably between 50 and 2000 ml, preferably between 100 and 1000 ml.
  • Preferred two- or multi-chamber containers have a bottle shape.
  • the automatic dishwashing compositions according to the invention are present in these packaging materials, preferably in the form of separate partial formulations. These sub-formulations do not form a common phase boundary, but rather are located in separate regions of the packaging means and have different compositions from each other.
  • the two-chamber or multi-chamber container preferably has at least one spout which can be configured, for example, in the form of a common spout for all the means contained in the bottle.
  • the weights given above for the washing and cleaning ingredients and the pH values refer to the automatic dishwashing detergent obtained by combining all the partial formulations.
  • individual sub-formulations contained in the chambers may deviate from the characteristics characterizing the machine dishwashing detergent according to the invention, provided that only the combination of all sub-formulations comprises a machine dishwashing detergent according to the invention having the above-mentioned characterizing and optionally preferred Features.
  • individual sub-formulations may be free of phosphonate or anionic copolymer, provided that the combination of all sub-formulations produces a machine dishwashing detergent containing nonionic surfactant b) and anionic copolymer comprising i) unsaturated carboxylic acid (s) and ii) sulfonic acid group-containing monomer (s) ( e) contains.
  • pH value of the invention preferred low alkaline dishwashing detergents affect the pH of the total composition and not the pH of any sub-formulations.
  • individual partial formulations may have pH values (20 ° C.) below 8 or above 12, provided that the combination of the partial formulations results in a machine dishwashing detergent which has a pH (20 ° C.) between 8 and 12.
  • the automatic dishwasher detergents according to the invention show their advantageous cleaning properties, in particular also low-temperature cleaning processes.
  • Preferred dishwashing processes using agents according to the invention are therefore characterized in that these processes are carried out at temperatures up to a maximum of 55 ° C., preferably up to a maximum of 50 ° C.
  • compositions according to the invention are distinguished from conventional automatic dishwasher detergents by an improved cleaning performance on bleachable soiling.
  • An object of the present application is therefore also the use of a machine dishwasher according to the invention improvement of drying in automatic dishwashing.
  • the drying, coating and cleaning performance of a machine dishwashing process were determined as a function of the type of metering of the automatic dishwashing detergent used.
  • dishes were placed in a dishwasher (Miele 1730, program 55 ° normal 3in1 extra drying) with 33 ml (16.5 ml V1 / V2 or 16.5 ml E1 / E2) of a machine dishwashing detergent at a water hardness of 21 ° dH rinsed.
  • the dosage of the dishwashing agent was carried out in the main rinse of the dishwashing process.
  • the composition of the dishwashing agents V and E used can be found in the following table: Cleaning agent V (mixture of 50 wt.% V1 and 50 wt.% V2) Cleaning agent E (mixture of 50% by weight of E1 and 50% by weight of E2) raw material V1 [% by weight] V2 [% by weight] E1 [% by weight] E2 [% by weight] K-TTP 17.5 10.0 17.5 10.0 Nonionic surfactant 1 - - 4.0 - Nonionic surfactant 2 4.0 - - - protease 2.0 - 2.0 - amylase 1.0 - 1.0 - - phosphonate 3.0 5.0 3.0 5.0 thickener 4.0 - 4.0 - Org.

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Claims (15)

  1. Agent pour le lavage mécanique de la vaisselle, contenant :
    a) de 10 à 60 % en poids d'un adjuvant de lavage ;
    b) un agent tensioactif non ionique répondant à la formule générale R1O[CH2CH(CH3)O]x[CH2CH2O]y[CH2CH(CH3)O]zCH2CH(OH)R2 dans laquelle R1 représente un résidu d'hydrocarbure aliphatique linéaire ou ramifié contenant de 4 à 22 atomes de carbone ou bien des mélanges de ceux-ci, R2 représente un résidu d'hydrocarbure linéaire ou ramifié contenant de 2 à 26 atomes de carbone ou bien des mélanges de ceux-ci, et x et z représentent des valeurs entre 0 et 40, et y représente une valeur d'au moins 15 ;
    c) un copolymère anionique comprenant :
    i) des acides carboxyliques insaturés ;
    ii) des monomères contenant des groupes d'acides sulfoniques ;
    caractérisé en ce que le rapport pondéral des constituants c) et b) est inférieur à 3:1.
  2. Agent pour le lavage mécanique de la vaisselle selon la revendication 1, caractérisé en ce que le rapport pondéral des constituants c) et b) est inférieur à 2,8:1, de préférence est inférieur à 2,5:1, de manière particulièrement préférée moins de 2,2:1, en particulier se situe entre 2,2:1 et 1:10, et de manière tout particulièrement préférée entre 2,2:1 et 1:5.
  3. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage mécanique de la vaisselle contient, à titre d'agent tensioactif non ionique b), un agent tensioactif répondant à la formule générale R1O[CH2CH2O]yCH2CH(OH)R2 dans laquelle R1 représente un résidu d'hydrocarbure aliphatique linéaire ou ramifié contenant de 4 à 22 atomes de carbone ou bien des mélanges de ceux-ci, R2 représente un résidu d'hydrocarbure linéaire ou ramifié contenant de 2 à 26 atomes de carbone ou bien des mélanges de ceux-ci, et y représente une valeur entre 15 et 20.
  4. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage mécanique de la vaisselle contient, à titre d'agent tensioactif non ionique b), un agent tensioactif répondant à la formule générale R1O[CH2CH(CH3)O]x[CH2CH2O]yCH2CH(OH)R2 dans laquelle R1 représente un résidu d'hydrocarbure aliphatique linéaire ou ramifié contenant de 4 à 22 atomes de carbone ou bien des mélanges de ceux-ci, R2 représente un résidu d'hydrocarbure linéaire ou ramifié contenant de 2 à 26 atomes de carbone ou bien des mélanges de ceux-ci, x représente des valeurs entre 0,5 et 4, et y représente une valeur d'au moins 15.
  5. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage mécanique de la vaisselle contient, à titre d'agent tensioactif non ionique b), un agent tensioactif répondant à la formule générale R1O[CH2CH(CH3)D]x[CH2CH2O]yCH2CH(OH)R2 dans laquelle R1 représente un résidu d'hydrocarbure aliphatique linéaire ou ramifié contenant de 4 à 22 atomes de carbone ou bien des mélanges de ceux-ci, R2 représente un résidu d'hydrocarbure linéaire ou ramifié contenant de 2 à 26 atomes de carbone ou bien des mélanges de ceux-ci, x représente une valeur entre 1 et 40, et y représente une valeur entre 15 et 40, les unités alkylène [CH2CH(CH3)O] et [CH2CH2O] étant présents sous forme randomisée, c'est-à-dire sous la forme d'une distribution quelconque, statistique.
  6. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage de la vaisselle contient, rapportés à son poids total, un agent tensioactif non ionique dans des quantités de 0,1 à 15 % en poids, de préférence de 0,2 à 10 % en poids, de manière particulièrement préférée de 0,5 à 8 % en poids, et en particulier de 1,0 à 6 % en poids.
  7. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage mécanique de la vaisselle contient, à titre de polymère anionique c), un copolymère comprenant :
    i) des acides carboxyliques insaturés ;
    ii) des monomères contenant des groupes d'acides sulfoniques ;
    iii) d'autres monomères non ionogènes.
  8. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agent pour le lavage mécanique de la vaisselle contient, rapportés à son poids total, de 0,2 à 18 % en poids, de préférence de 0,5 à 15 % en poids, et en particulier de 1,0 à 12 % en poids du polymère anionique c).
  9. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il contient, rapportés au poids total de l'agent pour le lavage mécanique de la vaisselle, un phosphonate dans des quantités de 0,5 à 10 % en poids, de préférence de 1,0 à 9 % en poids, et en particulier de 2,0 à 5 % en poids.
  10. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il contient, rapportés à son poids total, une enzyme dans des quantités de 0,1 à 12 % en poids, de préférence de 0,2 à 10 % en poids, et en particulier de 0,5 à 8 % en poids.
  11. Agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est présent sous la forme d'une préparation liquide aqueuse faiblement alcaline dont la valeur de pH (à 20 °C) se situe entre 8 et 12.
  12. Procédé pour le lavage de la vaisselle dans un lave-vaisselle par la mise en oeuvre d'un agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications 1 à 11.
  13. Procédé selon la revendication 12, caractérisé en ce qu'au cours du processus de nettoyage, on n'introduit de manière dosée aucun adoucisseur d'eau supplémentaire et aucun agent de rinçage supplémentaire à l'intérieur du lave-vaisselle.
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'on met en oeuvre ce procédé à des températures s'élevant jusqu'à un maximum de 55 °C, de préférence jusqu'à un maximum de 50 °C.
  15. Utilisation d'un agent pour le lavage mécanique de la vaisselle selon l'une quelconque des revendications 1 à 11 à des fins d'amélioration du séchage dans le lave-vaisselle.
EP08803450.9A 2007-09-10 2008-09-01 Détergents Active EP2185674B2 (fr)

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US20100160204A1 (en) 2010-06-24
ES2395886T5 (es) 2021-10-11
KR101548387B1 (ko) 2015-08-28
DE102007042860A1 (de) 2009-03-12
WO2009033972A1 (fr) 2009-03-19
EP2185674A1 (fr) 2010-05-19
ES2395886T3 (es) 2013-02-15
EP2185674B2 (fr) 2021-02-24
KR20100061670A (ko) 2010-06-08
PL2185674T3 (pl) 2013-04-30

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