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
  • C11D3/16—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
• • 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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2086—Hydroxy carboxylic acids-salts thereof
• • 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
  • C11D3/36—Organic compounds containing phosphorus
  • C11D3/361—Phosphonates, phosphinates or phosphonites

Definitions

• the object of the present application was to provide a phosphate-free automatic dishwashing detergent, which is comparable in terms of its cleaning performance and in terms of its rinse results and its performance in terms of scale inhibition with conventional phosphate cleaning agents or even better.
• carboxyl-containing monomers 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.
• machine dishwashing detergents preferably contain one or more builders.
• the builders include in particular silicates, carbonates and organic cobuilders.
• 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.
• automatic dishwashing agents contain as builder crystalline layered 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 where particularly preferred values for x are 2, 3 or 4 and y is a number from 0 to 33, preferably from 0 to 20.
• 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.
• Machine dishwashing detergents preferred in the context of the present invention comprise from 2 to 15% by weight, preferably from 3 to 12% by weight and in particular from 4 to 8% by weight, of silicate (s).
• 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.
• 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 (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution.
• 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.
• Preferred automatic dishwashing agents according to the invention also contain one or more bleaching agents.
• bleaching agents include 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 bleaches are the diacyl peroxides such as dibenzoyl peroxide.
• Other typical organic bleaches are the peroxyacids, examples of which include the alkyl peroxyacids and the aryl peroxyacids.
• Machine dishwashing detergents characterized in that they contain from 1 to 20% by weight, preferably from 2 to 15% by weight and in particular from 4 to 12% by weight, of sodium percarbonate are preferred according to the invention.
• chlorine or bromine releasing substances can be used.
• suitable chlorine or bromine releasing materials are, for example, heterocyclic N-bromo- and N-chloroamides, for example trichloroisocyanuric acid, tribromoisocyanuric acid, dibromoisocyanuric acid and / or dichloroisocyanuric acid (DICA) and / or their salts with cations such as potassium and sodium.
• DICA dichloroisocyanuric acid
• Hydantoin compounds such as 1,3-dichloro-5,5-dimethylhydantoin are also suitable.
• 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 inventive compositions 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
• 2-methyl-1,4,7-trimethyl- 1,4,7-triazacyclononane Me TACN
• 2-methyl-1,4,7-triazacyclononane Me
• the abovementioned bleach-enhancing transition metal complexes are used in customary amounts, preferably in an amount of up to 5% by weight, in particular of 0.0025% by weight to 1% by weight and more preferably of 0, 01 wt .-% to 0.30 wt .-%, each based on the total weight of the bleach activator-containing agents used. In special cases, however, more bleach activator can also be used.
• the agents according to the invention also contain surfactants.
• the group of surfactants includes nonionic, anionic, cationic and amphoteric surfactants.
• Machine dishwashing detergents characterized in that they contain nonionic surfactant (s) in amounts of from 1 to 10% by weight, preferably from 2 to 8% by weight and in particular from 3 to 6% by weight, are preferred according to the invention.
• nonionic surfactants it is possible to use all nonionic surfactants known to the person skilled in the art.
• Suitable nonionic surfactants are, for example, alkyl glycosides of the general formula RO (G) x in which R is a primary straight-chain or methyl-branched, in particular 2-methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is the symbol which is a glycose unit having 5 or 6 C atoms, preferably glucose.
• the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; preferably x is 1.2 to 1.4.
• Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide, and the fatty acid alkanolamides may also be suitable.
• the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
• nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain.
• washing or cleaning agents in particular automatic dishwashing detergents, contain nonionic surfactants from the group of the alkoxylated alcohols.
• the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten.
• EO ethylene oxide
• alcohol ethoxylates with linear radicals of alcohols of natural origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 moles of EO per mole of alcohol are preferred.
• the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO or 4 EO, C 9-11 alcohols with 7 EO, C 13-15 alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C 12-14 -alcohol with 3 EO and C 12-18 -alcohol with 5 EO.
• the stated degrees of ethoxylation represent statistical averages, which may correspond to a particular product of an integer or a fractional number.
• Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
• fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
• ethoxylated nonionic surfactants consisting of C 6-20 monohydroxyalkanols or C 6-20 alkylphenols or C 16-20 fatty alcohols and more than 12 mol, preferably more than 15 mol and in particular more than 20 mol of ethylene oxide per mol Alcohol was used.
• a particularly preferred nonionic surfactant is obtained from a straight-chain fatty alcohol having 16 to 20 carbon atoms (C 16-20 alcohol), preferably a C 18 -alcohol and at least 12 mol, preferably at least 15 mol and especially at least 20 mol of ethylene oxide.
• C 16-20 alcohol straight-chain fatty alcohol having 16 to 20 carbon atoms
• C 18 -alcohol preferably a C 18 -alcohol
• at least 12 mol preferably at least 15 mol and especially at least 20 mol of ethylene oxide.
• the so-called “narrow range ethoxylates” are particularly preferred.
• Nonionic surfactants which have a melting point above room temperature.
• Suitable nonionic surfactants which have melting or softening points in the temperature range mentioned are, for example, low-foaming nonionic surfactants which are disclosed in US Pat Room temperature can be solid or highly viscous. If nonionic surfactants are used which are highly viscous at room temperature, it is preferred that they have a viscosity above 20 Pa ⁇ s, preferably above 35 Pa ⁇ s and in particular above 40 Pa ⁇ s. Also, nonionic surfactants having waxy consistency at room temperature are preferred depending on their purpose.
• Nonionic surfactants from the group of alkoxylated alcohols are also used with particular preference.
• the nonionic surfactant solid at room temperature preferably has propylene oxide units in the molecule.
• such PO units make up to 25 wt .-%, more preferably up to 20 wt .-% and in particular up to 15 wt .-% of the total molecular weight of the nonionic surfactant from.
• Particularly preferred nonionic surfactants are ethoxylated monohydroxyalkanols or alkylphenols which additionally have polyoxyethylene-polyoxypropylene block copolymer units.
• the alcohol or alkylphenol content of such nonionic surfactant molecules preferably makes up more than 30% by weight, more preferably more than 50% by weight and in particular more than 70% by weight, of the total molecular weight of such nonionic surfactants.
• Preferred agents are characterized in that they contain ethoxylated and propoxylated nonionic surfactants in which the propylene oxide units in the molecule up to 25 wt .-%, preferably up to 20 wt .-% and in particular up to 15 wt .-% of the total molecular weight of the nonionic Make up surfactants.
• surfactants come from the groups of alkoxylated nonionic surfactants, in particular the ethoxylated primary alcohols and mixtures of these surfactants with structurally complicated surfactants such as polyoxypropylene / polyoxyethylene / polyoxypropylene ((PO / EO / PO) surfactants).
• Such (PO / EO / PO) nonionic surfactants are also characterized by good foam control.
• More particularly preferred nonionic surfactants having melting points above room temperature contain from 40 to 70% of a polyoxypropylene / polyoxyethylene / polyoxypropylene block polymer blend containing 75% by weight of a reverse block copolymer of polyoxyethylene and polyoxypropylene with 17 moles of ethylene oxide and 44 moles of propylene oxide and 25% by weight. % of a block copolymer of polyoxyethylene and polyoxypropylene initiated with trimethylolpropane and containing 24 moles of ethylene oxide and 99 moles of propylene oxide per mole of trimethylolpropane.
• nonionic surfactants have been low foaming nonionic surfactants which have alternating ethylene oxide and alkylene oxide units.
• surfactants with EO-AO-EO-AO blocks are preferred, in each case One to ten EO or AO groups are bound to each other before a block follows from the other groups.
• nonionic surfactants of the general formula in which R 1 is a straight-chain or branched, saturated or mono- or polyunsaturated C 6-24 alkyl or alkenyl radical; each group R 2 or R 3 is independently selected from -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 -CH 3 , CH (CH 3 ) 2 and the indices w, x, y, z independently stand for integers from 1 to 6.
• the preferred nonionic surfactants of the above formula can be prepared by known methods from the corresponding alcohols R 1 -OH and ethylene or alkylene oxide.
• the radical R 1 in the above formula may vary depending on the origin of the alcohol. If native sources are used, the radical R 1 has an even number of carbon atoms and is usually unbranched, the linear radicals being selected from alcohols of natural origin having 12 to 18 C atoms, for example from coconut, palm, tallow or Oleyl alcohol, are preferred.
• Alcohols which are accessible from synthetic sources are, for example, the Guerbet alcohols or methyl-branched or linear and methyl-branched radicals in the 2-position, as they are usually present in oxo alcohol radicals.
• nonionic surfactants in which R 1 in the above formula is an alkyl radical having 6 to 24, preferably 8 to 20, particularly preferably 9 to 15 and in particular 9 to 11 Carbon atoms.
• alkylene oxide unit which is contained in the preferred nonionic surfactants in alternation with the ethylene oxide unit, in particular butylene oxide is considered in addition to propylene oxide.
• R 2 or R 3 are independently selected from -CH 2 CH 2 -CH 3 or -CH (CH 3 ) 2 are suitable.
• nonionic surfactants having a C 9-15 alkyl group having 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units followed by 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units.
• These surfactants have the required low viscosity in aqueous solution and can be used according to the invention with particular preference.
• 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 represent a straight-chain or branched, saturated or mono- or polyunsaturated C 2-40 -alkyl or -alkenyl radical;
• A, A ', A "and A'" independently of one another 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, in accordance with the formula R 1 O [CH 2 CH 2 O] x CH 2 CH (OH) R 2 , in addition to a radical R 1 , which is linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having from 2 to 30 carbon atoms, preferably having from 4 to 22 carbon atoms, furthermore having a linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radical R 2 having from 1 to 30 carbon atoms, where x is from 1 to 30 carbon atoms 90, preferably for values between 30 and 80 and in particular for values between 30 and 60.
• surfactants of the 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 with 4 R 2 is a linear or branched hydrocarbon radical having 2 to 26 carbon atoms or mixtures thereof and x is values between 0.5 and 1.5 and y is a value of at least 15.
• nonionic surfactants having a free hydroxyl group on one of the two terminal alkyl radicals By using the above-described nonionic surfactants having a free hydroxyl group on one of the two terminal alkyl radicals, the formation of deposits in machine dishwashing can be markedly improved compared to conventional polyalkoxylated fatty alcohols without a free hydroxyl group.
• nonionic surfactants are the end-capped poly (oxyalkylated) nonionic surfactants of the formula R 1 O [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 in which R 1 and R 2 is linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals with 1 to 30 carbon atoms, R 3 is H or a methyl, ethyl, n-propyl, isoPropyl, n-butyl, 2-butyl or 2-methyl-2-butyl radical, x for values between 1 and 30, k and j are values between 1 and 12, preferably between 1 and 5.
• each R 3 in the above formula R 1 O [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 may be different.
• R 1 and R 2 are preferably linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 6 to 22 carbon atoms, with radicals having 8 to 18 carbon atoms being particularly preferred.
• R 3 H, -CH 3 or -CH 2 CH 3 are particularly preferred.
• Particularly preferred values for x are in the range from 1 to 20, in particular from 6 to 15.
• each R 3 in the above formula may be different if x ⁇ 2.
• the alkylene oxide unit in the square bracket can be varied.
• the value 3 for x has been selected here by way of example and may well be greater, with the variation width increasing with increasing x values and including, for example, a large number (EO) groups combined with a small number (PO) groups, or vice versa ,
• R 1 , R 2 and R 3 are as defined above and x is from 1 to 30, preferably from 1 to 20 and in particular from 6 to 18.
• Particularly preferred are surfactants in which the radicals R 1 and R 2 has 9 to 14 C atoms, R 3 is H and x assumes values of 6 to 15.
• 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.
• Surfactant mixtures are not mixtures of nonionic surfactants which in their entirety fall under one of the abovementioned general formulas, but rather those mixtures containing two, three, four or more nonionic surfactants which can be described by different of the aforementioned general formulas.
• anionic surfactants are used as constituents of automatic dishwasher detergents, their content, based on the total weight of the compositions, is preferably less than 4% by weight, preferably less than 2% by weight and very particularly preferably less than 1% by weight. Machine dishwashing detergents which do not contain anionic surfactants are particularly preferred.
• Machine dishwashing detergents in which the weight fraction of the phosphonate b) is from 0.5 to 10% by weight, preferably from 0.5 to 5% by weight and in particular from 0.5 to 2% by weight, likewise have particularly good cleaning and cleaning properties Rinse aid results and are therefore preferred according to the invention for this reason.
• the copolymers comprise a) in addition to the sulfonic acid-containing monomers further ionic and nonionic monomers.
• these include terpolymers as carboxyl group-containing monomers.
• the group of washing- or cleaning-active polymers includes, for example, the rinse aid polymers and / or polymers which act as softeners.
• the rinse aid polymers and / or polymers which act as softeners include, for example, the rinse aid polymers and / or polymers which act as softeners.
• cationic, anionic and amphoteric polymers can be used in detergents or cleaners in addition to nonionic polymers.
• particularly preferred cationic or amphoteric polymers contain as monomer unit a compound of the general formula in which R 1 and R 4 are each independently H or a linear or branched hydrocarbon radical having 1 to 6 carbon atoms; R 2 and R 3 are independently an alkyl, hydroxyalkyl, or aminoalkyl group in which the alkyl group is linear or branched and has from 1 to 6 carbon atoms, preferably a methyl group; x and y independently represent integers between 1 and 3.
• Preferred radicals R 1 and R 4 in the above formula are selected from -CH 3 , -CH 2 -CH 3 , -CH 2 -CH 2 -CH 3 , -CH (CH 3 ) -CH 3 , -CH 2 -OH , -CH 2 -CH 2 -OH, -CH (OH) -CH 3 , -CH 2 -CH 2 -OH, -CH 2 -CH (OH) -CH 3 , -CH (OH) -CH 2 -CH 3 , and - (CH 2 CH 2 -O) n H.
• cationic or amphoteric polymers contain a monomer unit of the general formula in which R 1 , R 2 , R 3 , R 4 and R 5 independently of one another are a linear or branched, saturated or unsaturated alkyl or hydroxyalkyl radical having 1 to 6 carbon atoms, preferably a linear or branched alkyl radical selected from -CH 3 , -CH 2 -CH 3 , -CH 2 -CH 2 -CH 3 , -CH (CH 3 ) -CH 3 , -CH 2 -OH, -CH 2 -CH 2 -OH, -CH (OH) -CH 3 , -CH 2 -CH 2 -CH 2 -OH, -CH 2 -CH (OH) -CH 3 , -CH (OH) -CH 3 , -CH (OH) -CH 3 , and - (CH 2 CH 2 -O) n H and x is an integer between 1 and 6.
• amphoteric polymers have not only cationic groups but also anionic groups or monomer units.
• anionic monomer units are derived, for example, from the group of linear or branched, saturated or unsaturated carboxylates, linear or branched, saturated or unsaturated phosphonates, linear or branched, saturated or unsaturated sulfates or linear or branched, saturated or unsaturated sulfonates.
• Particularly preferred amphoteric polymers are from the group of the Methacrylamidoalkyl-trialkylammonium chloride / dimethyl (diallyl) ammonium chloride / acrylic acid copolymers, the Methacrylamidoalkyltrialkylammoniumchlorid / dimethyl (diallyl) ammonium chloride / methacrylic acid copolymers and the Methacrylamidoalkyltrialkylammoniumchlorid / dimethyl (diallyl) ammonium chloride / alkyl (meth) acrylic acid copolymers and their alkali metal and ammonium salts.
• 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.
• organic, particularly preferably aromatic, compounds which interact with the enzymes in order to enhance the activity of the relevant oxidoreductases (enhancers) or in the case of strongly different ones Redox potentials between the oxidizing enzymes and the soiling to ensure the flow of electrons (mediators).
• 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.
• Corrosion inhibitors serve to protect the items to be washed or the machine, with particular silver protectants being of particular importance in the field of automatic dishwashing. It is possible to use the known substances of the prior art. In general, silver protectants selected from the group of triazoles, benzotriazoles, bisbenzotriazoles, aminotriazoles, alkylaminotriazoles and transition metal salts or complexes can be used in particular. Particularly preferred to use are benzotriazole and / or alkylaminotriazole.
• disintegration aids so-called tablet disintegrants
• Acidificationsmittel which release carbon dioxide from the alkali metal salts in aqueous solution, for example, boric acid and alkali metal hydrogen sulfates, alkali metal dihydrogen phosphates and other inorganic salts can be used.
• organic acidifying agents preference is given to using organic acidifying agents, the citric acid being a particularly preferred acidifying agent. Acidifying agents in the effervescent system from the group of organic di-, tri- and oligocarboxylic acids or mixtures are preferred.
• the fragrances can be processed directly, but it can also be advantageous to apply the fragrances on carriers that provide a slower fragrance release for long-lasting fragrance.
• carrier materials for example, cyclodextrins have been proven, the Cyclodextrin-perfume complexes can additionally be coated with other excipients.
• Preferred dyes the selection of which presents no difficulty to the skilled person, have a high storage stability and insensitivity to the other ingredients of the agents and to light and no pronounced substantivity to the substrates to be treated with the dye-containing agents such as textiles, glass, ceramics or plastic dishes do not stain them.
• the automatic dishwashing compositions 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 based on water and / or organic solvents may be thickened, in the form of gels.
• the individual phases of multiphase agents may have the same or different states of matter.
• Machine dishwashing detergents which have at least two different solid phases and / or at least two liquid phases and / or at least one solid and at least one liquid phase are preferred.
• the automatic dishwasher detergents according to the invention in particular the prefabricated metering units, have a water-soluble coating, with particular preference.
• the present application further relates to a method for cleaning dishes in a dishwasher using automatic dishwashing agents according to the invention, wherein the automatic dishwashing agents are preferably metered into the interior of a dishwasher during the passage of a dishwashing program, before the main wash cycle or during the main wash cycle.
• the metering or the entry of the agent according to the invention into the interior of the dishwasher can be done manually, but preferably the agent is metered into the interior of the dishwasher by means of the metering chamber of the dishwasher.
• no additional water softener and no additional rinse aid is dosed into the interior of the dishwasher.
• compositions according to the invention are distinguished from conventional automatic dishwashing agents by an improved rinsing action.
• a dishwasher detergent according to the invention as a rinse aid in automatic dishwashing is therefore a further subject matter of the present application.
• the composition of the dishwashing agents used can be found in the following table: raw material V1 V2 V3 E1 phosphate 33 - - - citrate - 23 23 23 23 MGDA - 8.0 8.0 8.0 Copolymer 1 12.0 12.0 - 12.0 HEDP 2.0 - 2.0 2.0 soda 28.0 28.0 28.0 28.0 sodium 10.0 10.0 10.0 10.0 10.0 TAED 2.4 2.4 2.4 2.4 Protease / Amylase 4.0 4.0 4.0 4.0 4.0 Nonionic surfactant 5.0 5.0 5.0 5.0 5.0 Misc Add 100 Add 100 Add 100 Add 100 Add 100 Add 100 1 sulfonic acid group-containing copolymer

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• 2007
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