EP2225357A1 - Cleaning agent - Google Patents
Cleaning agentInfo
- Publication number
- EP2225357A1 EP2225357A1 EP08858511A EP08858511A EP2225357A1 EP 2225357 A1 EP2225357 A1 EP 2225357A1 EP 08858511 A EP08858511 A EP 08858511A EP 08858511 A EP08858511 A EP 08858511A EP 2225357 A1 EP2225357 A1 EP 2225357A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase
- cleaning agent
- detergent
- bleach
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- 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
- C11D17/0047—Detergents in the form of bars or tablets
- C11D17/0065—Solid detergents containing builders
- C11D17/0073—Tablets
- C11D17/0078—Multilayered tablets
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- 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
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
- C11D17/045—Multi-compartment
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- 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
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3907—Organic compounds
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- 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
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3932—Inorganic compounds or complexes
Definitions
- the present patent application describes detergents or cleaning agents, in particular detergents for the machine cleaning of dishes.
- This application relates in particular to two-phase or multiphase machine dishwashing detergents which contain bleach catalysts.
- Machine-washed dishes are often subject to more stringent requirements today than manually-washed dishes.
- a tableware that has been completely cleaned at first glance of food waste is then rated as not having any flaw if, after machine dishwashing, it still has discolorations which are based, for example, on the attachment of vegetable dyes to the dish surface.
- automatic dishwasher detergents In order to obtain spotless dishes, bleaching agents are used in automatic dishwashing detergents. To activate these bleaches and in order to achieve an improved bleaching effect during cleaning at temperatures of 60 ° C. and below, automatic dishwasher detergents generally also contain bleach activators or bleach catalysts, with the bleach catalysts in particular having proven to be particularly effective.
- European Patent Application EP 481 793 A1 discloses detergent tablets which contain sodium percarbonate, which, according to the teaching of this application, is preferably separated from other components which are detrimental to its stability, for example in a separate layer.
- Bleach catalysts are used in automatic dishwasher detergents, preferably in the form of prefabricated granules.
- European patents EP 458 397 B1 (Unilever), EP 458 398 B1 (Unilever) and EP 530 870 B1 (Unilever) describe bleach catalysts based on various manganese-containing transition metal complexes.
- bleach catalysts may not yet be considered satisfactory to one skilled in the art.
- automatic dishwashing often with unexpectedly poor bleaching effects.
- storage stability of bleach catalyst-containing detergents often leaves something to be desired.
- a first subject of this application is therefore a two- or multi-phase detergent or cleaning agent, comprising a) a bleaching agent b) a bleach activator c) a bleach catalyst selected from the group of bleach-enhancing transition metal salts and transition metal complexes, characterized in that the bleach a) with at least one of the components b) or c) is present together in one phase of the washing or cleaning agent.
- Characteristic of the two- or multi-phase detergents or cleaning agents according to the invention is the fact that the bleaching agent a) is present together with at least one of the components b) or c) in one phase of the washing or cleaning agent.
- the object of the claim thus comprises both two-phase or multi-phase detergents in which a partial quantity or the total amount of the bleaching agent a) with a partial amount of the components b) or c) is present together in one phase, as well as such two- or multi-phase washing - or cleaning agents, in which the total amount of the bleaching agent a) with the total amount of at least one of the components b) or c) is present together in one phase.
- Preferred two- or multi-phase detergents or cleaners are therefore characterized in that at least 50 wt .-%, preferably at least 70 wt .-%, more preferably at least 90 wt .-% and in particular the total amount of in the two- or multi-phase washing or bleach containing a) together with at least 50 wt .-%, preferably at least 70 wt .-%, more preferably at least 90 wt .-% and in particular the total amount of one of the components b) or c) are present together in one phase / is present.
- Multi-phase detergents or cleaners according to the invention contain as the first essential constituent a bleaching agent, oxygen bleaching agents being preferred.
- oxygen bleaching agents being preferred.
- sodium percarbonate, sodium perborate tetrahydrate and sodium perborate monohydrate are of particular importance.
- Other useful bleaching agents are, for example, peroxypyrophosphates, citrate perhydrates and peracid salts or peracids which yield H 2 O 2 , 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.
- Preferred two-phase or multi-phase detergents or cleaners are characterized in that the bleach a) is an oxygen bleach, preferably sodium percarbonate, more preferably a coated sodium percarbonate.
- the proportion by weight of the bleaching agent a), based on the total weight of the washing or cleaning agent, in preferred embodiments is between 2 and 30% by weight, preferably between 4 and 20% by weight and in particular between 6 and 15% by weight.
- two- or more-phase detergents or cleaners according to the invention contain bleach activators.
- bleach activators it is possible to use 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 stated C atom number and / or optionally substituted benzoyl groups.
- TAED tetraacetylethylenediamine
- Two-phase or multi-phase detergents or cleaners characterized in that the bleach activator b) is a bleach activator from the group of the acetylated amines, preferably tetraacetylenediamine (TAED), are preferred according to the invention.
- the bleach activator b) is a bleach activator from the group of the acetylated amines, preferably tetraacetylenediamine (TAED), are preferred according to the invention.
- bleach activators in particular TAED, are preferably used in amounts of up to 10% by weight, in particular 0.1% by weight to 10% by weight, especially 0.5 to 8% by weight and more preferably 1, 0 to 6 Wt .-%, used.
- Two-phase or multi-phase detergents or cleaners characterized in that the proportion by weight of the bleach activator b), based on the total weight of the washing or cleaning agent, is between 0.1 and 10% by weight, preferably between 0.5 and 8% by weight. % and in particular between 1, 0 and 6 wt .-%, are preferred according to the invention.
- the bleach activator b) used according to the invention is preferably used in particulate form, these particles preferably having a content of bleach activator above 80% by weight, based on their total weight. For the bleaching action described above, it has proven to be advantageous to realize the highest possible Blleichinatorgehalt in the granules.
- Preferred two-phase or multi-phase detergents or cleaners according to the invention are characterized in that the bleach activator b) is in particulate form which, based on its total weight, has a content of bleach activator above 85% by weight, preferably above 90% by weight, particularly preferably above 95 wt .-% and in particular above 97 wt .-%.
- the group of polymeric granulation aids includes the natural, but especially the synthetic organic polymers, for example the polymeric polycarboxylates or the polymeric polysulfonates.
- the group of stabilizers includes in particular the phosphonates described below.
- Preferred two- or multi-phase detergents or cleaning agents according to the invention are characterized in that the bleach activator b) is in particulate form, which, based on their total weight, less than 20 wt .-%, preferably less than 15 wt .-%, especially preferably contains less than 10 wt .-% and in particular less than 5 wt .-% of a polymeric granulation aid.
- Preferred two- or multi-phase detergents or cleaners according to the invention are furthermore characterized in that the bleach activator b) is in particulate form, which, based on its total weight, is less than 20% by weight, preferably less than 15% by weight preferably contains less than 10 wt .-% and in particular less than 5 wt .-% stabilizing additives.
- the detergents or cleaners according to the invention contain as third essential constituent at least one bleach catalyst c).
- bleach-enhancing transition metal salts or transition metal complexes such as 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 amines in complexes are also used as bleach catalysts usable.
- 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-Triaza- cyclononan (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).
- macromolecular ligands 1, 4,7-trimethyl-1, 4,7-triazacyclononan (Me-TACN), 1, 4,7-Triaza- cyclononan (TACN), 1, 5,9-trimethyl-1, 5,9-triazacyclododecane (Me-TACD), 2-methyl-1, 4,7-trimethyl-1, 4,7-triazacyclononane (Me / Me-TACN
- 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
- Two-phase or multi-phase detergents or cleaners characterized in that the bleach catalyst c) is a complex of manganese, preferably from the group of the complexes of manganese with 1, 4,7-trimethyl-1, 4,7-triazacyclononan (Me 3 -TACN) or 1, 2, 4,7-tetramethyl-1, 4,7-triaza- cyclononane (Me 4 -TACN), are preferred according to the invention.
- 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 catalyst-containing agents used. In special cases, however, more bleach catalyst can be used.
- Two- or multi-phase detergents or cleaners characterized in that the weight fraction of the bleach catalyst c), based on the total weight of the washing or cleaning agent is between 0.001 to 3.0 wt .-%, preferably between 0.01 to 2.0 wt .-% and in particular between 0.01 to 1, 0 wt .-%, are inventively preferred.
- two- or multi-phase detergents or cleaners according to the invention are characterized in that the bleach a) is present together with at least one of the components b) or c) in one phase of the washing or cleaning agent.
- a first preferred embodiment of washing or cleaning agents according to the invention is characterized in that the bleaching agent a) is present together with the bleach activator b) in one phase of the washing or cleaning agent.
- a second preferred embodiment of washing or cleaning agents according to the invention is characterized in that the bleaching agent a) is present together with the bleach catalyst c) in one phase of the washing or cleaning agent.
- a third preferred embodiment of detergents or cleaners according to the invention is characterized in that the bleach a) is present together with the bleach activator b) and the bleach catalyst c) in one phase of the washing or cleaning agent.
- compositions according to the invention may contain further washing- or cleaning-active substances, preferably from the group of builders, surfactants, polymers, enzymes, glass corrosion inhibitors, corrosion inhibitors, disintegration aids, fragrances and perfume carriers.
- builders include, in particular, the zeolites, silicates, carbonates, organic cobuilders and, where there are no ecological prejudices against their use, also the phosphates.
- crystalline layered silicates of general formula NaMSi x O 2x + I ⁇ y H 2 O are used, wherein M is sodium or hydrogen, x is a number from 1, 9 to 22, preferably from 1: 9 to 4, wherein particularly preferred Values for x are 2, 3 or 4, and y is a number from 0 to 33, preferably from 0 to 20.
- Washing or cleaning composition preferably contain a weight proportion of the crystalline sodium silicate see ichtförm the formula NaMSi x O 2x + I ⁇ y H 2 O from 0.1 to 20 wt .-%, preferably from 0.2 to 15 wt .-%, and in particular from 0.4 to 10 wt .-%, each based on the total weight of these agents.
- 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.
- Preferred washing or cleaning agents are free of water-insoluble aluminum silicates, such as the natural or synthetic zeolites used for water softening.
- 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.
- 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), particularly preferably pentasodium or pentapotassium triphosphate (sodium or potassium tripolyphosphate ), in amounts of 5 to 80 wt .-%, preferably from 15 to 75 wt .-% and in particular from 20 to 70 wt .-%, each based on the weight of the washing or cleaning agent.
- the washing or cleaning compositions according to the invention comprise at least one acid group-containing polymer which acts as a softener.
- the acid group-containing polymer comprises at least one acid group-containing monomer and optionally further nonionic (s), preferably hydrophobic monomer (s).
- the proportion by weight of this polymer or these polymers in the total weight of the automatic dishwashing agent is preferably 0.1 to 30 wt .-%, preferably 0.5 to 25 wt .-% and in particular 1, 0 to 20 wt .-%.
- Detergents or cleaning agents which, based on their total weight, 0.1 to 30 wt .-%, preferably 0.5 to 25 wt .-% and in particular 1, 0 to 20 wt .-% copolymer (s), comprising i) at least an acid group-containing monomer ii) optionally containing further nonionic, preferably hydrophobic monomer (s) are preferred according to the invention.
- the acid group-containing monomer i) has a carboxylic acid group and / or a sulfonic acid group.
- Particularly preferred 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.
- the copolymers further comprise at least one additional ionic monomer in addition to at least one carboxylic acid group-containing monomer.
- Copolymer (s) comprising i) monomers from the group of mono- or polyunsaturated carboxylic acids ii) optionally further non-ionic, preferably hydrophobic monomer (s).
- a second group of preferred washing or cleaning agents is therefore characterized in that they
- Copolymer (s), comprising i) monomers from the group of mono- or polyunsaturated sulfonic acids ii) optionally further (s) nonionic, preferably hydrophobic monomer (s).
- 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, sulfomethyl methacrylamide and mixtures of the acids mentioned or their water
- the sulfonic acid groups may be wholly or partly in neutralized form, ie that the acidic acid of the sulfonic acid group in some or all sulfonic acid groups may be exchanged for metal ions, preferably alkali metal ions and especially sodium ions.
- metal ions preferably alkali metal ions and especially sodium ions.
- 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 i) and from 10 to 50% by weight of monomer from group ii), 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 dishwasher detergents 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 further comprise at least one additional ionic monomer in addition to at least one sulfonic acid group-containing monomer.
- Particularly preferred unsaturated hydrocarbon radicals 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-2,3,3-dimethylhexene-1, 2,4-dimethylhexene-1,2,5-dimethlyhexene-1,3,5-dimethylhexene 1, 4,4-dimethylhexane-1, ethylcyclohexyl, 1-octene, ⁇ -olefins having 10 or more carbon atoms such as 1-decene, 1-dodecene, 1-hexadecene, 1-octadecene
- Copolymer (s) comprising i) at least one acid group-containing monomer ii) optionally further nonionic, preferably hydrophobic monomer (s) as a constituent of the phases [1] and / or [2] and / or one or more others / further phases
- alkali carriers are, for example, alkali metal hydroxides, alkali metal carbonates, alkali metal hydrogencarbonates, alkali metal sesquicarbonates, the cited alkali metal silicates, alkali metal silicates, and mixtures of the abovementioned substances.
- alkali metal carbonates preference is given to using the alkali metal carbonates, in particular sodium carbonate, sodium hydrogencarbonate or sodium sesquicarbonate.
- a builder system comprising a mixture of tripolyphosphate and sodium carbonate.
- a builder system comprising a mixture of tripolyphosphate and sodium carbonate and sodium disilicate.
- the alkali metal hydroxides are preferably only in small amounts, preferably in amounts below 10 wt .-%, preferably below 6 wt .-%, more preferably below 4 wt .-% and in particular below 2% by weight, in each case based on the total weight of the washing or cleaning agent.
- Particularly preferred are agents which, based on their total weight, contain less than 0.5% by weight and in particular no alkali metal hydroxides.
- organic co-builders are polycarboxylates / polycarboxylic acids, polymeric polycarboxylates, aspartic acid, polyacetals, dextrins, further organic cobuilders and phosphonates. 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.
- polymeric polycarboxylates for example the alkali metal salts of polyacrylic acid or of polymethacrylic acid, for example those having a relative molecular mass of from 500 to 70,000 g / mol.
- the molecular weights stated for polymeric polycarboxylates are weight average molar masses M w of the particular acid form, which were determined in principle by gel permeation chromatography (GPC), a UV detector being used. The measurement was carried out against an external polyacrylic acid standard, due to its structural relationship with gives the investigated polymers realistic molecular weight values. These data differ significantly from the molecular weight data, in which polystyrene sulfonic acids are used as standard. The molar masses measured against polystyrenesulfonic acids are generally significantly higher than the molecular weights specified in this document.
- 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 (co) polymeric polycarboxylates can be used either as a powder or as an aqueous solution.
- the content of detergents or cleaning agents in (co) polymeric polycarboxylates is preferably from 0.5 to 20% by weight and in particular from 3 to 10% by weight.
- the polymers may also contain allylsulfonic acids such as allyloxybenzenesulfonic acid and methallylsulfonic acid as a monomer.
- biodegradable polymers of more than two different monomer units for example those which contain as monomers the salts of acrylic acid and maleic acid and also vinyl alcohol or vinyl alcohol derivatives or the salts of acrylic acid and 2-alkyl-allylsulfonic acid as monomers. Derivatives included.
- copolymers are those which have as their monomers acrolein and acrylic acid / acrylic acid salts or acrolein and vinyl acetate.
- Effective polymers as softeners are, for example, the sulfonic acid-containing polymers which are used with particular preference.
- Corresponding polymers have already been described above as constituents of bleach activator granules according to the invention, for which reason reference is made to the statements there to avoid repetitions at this point.
- polymeric aminodicarboxylic acids their salts or their precursors.
- Further suitable builder substances are polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 C atoms and at least 3 hydroxyl groups.
- Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and mixtures thereof and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
- Ethylenediamine-N, N'-disuccinate (EDDS) is preferably used in form of its sodium or magnesium salts.
- glycerol disuccinates and glycerol trisuccinates are also preferred in this context. Suitable amounts are from 3 to 15 wt .-%.
- the complex-forming phosphonates comprise, in addition to the 1-hydroxyethane-1, 1-diphosphonic acid, a number of different compounds such as diethylenetriaminepenta (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.
- the builder used here is preferably HEDP from the class of phosphonates.
- the aminoalkanephosphonates also have a pronounced heavy metal binding capacity. Accordingly, in particular if the agents also contain bleach, it may be preferable to use aminoalkanephosphonates, in particular DTPMP, or to use mixtures of the phosphonates mentioned.
- An automatic dishwashing agent preferred in the context of this application contains one or more phosphonate (s) from the group a) aminotrimethylenephosphonic acid (ATMP) and / or salts thereof; b) ethylenediaminetetra (methylenephosphonic acid) (EDTMP) and / or salts thereof; c) diethylenetriamine penta (methylenephosphonic acid) (DTPMP) and / or salts thereof; d) 1-hydroxyethane-1, 1-diphosphonic acid (HEDP) and / or salts thereof; e) 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC) and / or salts thereof; f) hexamethylenediaminetetra (methylenephosphonic acid) (HDTMP) and / or salts thereof; g) nitrilotri (methylenephosphonic acid) (NTMP) and / or salts thereof.
- ATMP aminotrimethylenephosphonic acid
- ETMP ethylenedi
- automatic dishwashing detergents which contain 1-hydroxyethane-1,1-diphosphonic acid (HEDP) or diethylene triamine penta (methylenephosphonic acid) (DTPMP) as phosphonates.
- HEDP 1-hydroxyethane-1,1-diphosphonic acid
- DTPMP diethylene triamine penta
- the automatic dishwashing compositions of the invention may contain two or more different phosphonates.
- Two-phase or multi-phase detergent or cleaning agent characterized in that the two- or multi-phase detergent or cleaning agent further contains at least one phosphonate, preferably 1-hydroxy-ethane-1, 1-diphosphonic acid (HEDP), which together with the bleaching agent a) is present in a phase of the washing or cleaning agent, are preferred according to the invention.
- HEDP 1-hydroxy-ethane-1, 1-diphosphonic acid
- the proportion by weight of the phosphonates is preferably 0.5 to 14 wt .-%, preferably 1 to 12 wt .-% and in particular 2 to 8 wt .-%.
- the machine dishwashing detergents according to the invention particularly preferably comprise methylglycinediacetic acid or a salt of methylglycinediacetic acid, the weight fraction of methylglycinediacetic acid or of the salt of methylglycinediacetic acid preferably being between 0.5 and 15% by weight, preferably between 0.5 and 10% by weight. -% and in particular between 0.5 and 6 wt .-% is.
- Other useful organic cobuilders are, for example, acetylated hydroxycarboxylic acids or their salts, which may optionally also be present in lactone form and which contain at least 4 carbon atoms and at least one hydroxyl group and a maximum of two acid groups.
- the group of surfactants includes nonionic, anionic, cationic and amphoteric surfactants.
- Nonionic surfactants which can be used are the 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 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.
- Preferred ethoxyl wholesome alcohols include, for example, C 12 _ 14 alcohols with 3 EO or 4 EO, C. 9 ir alcohol containing 7 EO, C.
- ethoxylated nonionic surfactants which are from C 6 . 2 o-monohydroxyalkanols or C 6 . 2 o-alkylphenols or C 16 . 2 o-fatty alcohols and more than 12 moles, preferably more than 15 moles and in particular more than 20 moles of ethylene oxide per mole of alcohol were obtained used.
- a particularly preferred nonionic surfactant is (16. 2 o-alcohol C), preferably obtained 8 alcohol and at least 12 mole, preferably at least 15 mol and in particular at least 20 moles of ethylene oxide from a straight chain fatty alcohol having 16 to 20 carbon atoms, a Ci.
- the so-called “narrow ranks ethoxylates" are particularly preferred.
- Nonionic surfactants which have a melting point above room temperature.
- 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, wherein in each case one to ten EO or AO groups are bonded to each other before a block of the other groups follows.
- R 1 represents 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.
- nonionic surfactants which have a 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 - (AO) x - (A "O) y - (A"'O) z -R 2 in which R 1 and R 2 independently represents a straight-chain or branched, saturated or mono- or polyunsaturated C 2 _ 40 alkyl or alkenyl;
- 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, 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 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 are linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 1 to 30 carbon atoms, R 3 is H or a methyl, ethyl, n-propyl, iso-propyl, n-butyl, 2 Butyl or 2-methyl-2-butyl radical, x are 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, the range of variation 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 processes, commercial products of the formulas mentioned are usually not made of an individual representative, but of mixtures, whereby both for the C Chain lengths and for the degrees of ethoxylation or degrees of alkoxylation average values and resulting broken numbers can give.
- 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 mixtures which contain two, three, four or more nonionic surfactants which can be described by different 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.
- the content of cationic and / or amphoteric surfactants is preferably less than 6% by weight, preferably less than 4% by weight, very particularly preferably less than 2% by weight and in particular less than 1% by weight. %. Automatic dishwashing detergents containing no cationic or amphoteric surfactants are particularly preferred.
- the group of polymers includes, in particular, the washing or cleaning-active polymers, for example the rinse aid polymers and / or polymers which act as softeners.
- the washing or cleaning-active polymers 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.
- “Cationic polymers” in the context of the present invention are polymers which carry a positive charge in the polymer molecule and can be realized, for example, by (alkyl) ammonium groups or other positively charged groups present in the polymer chain Groups of quaternized cellulose derivatives, the polysiloxanes with quaternary groups, the cationic guar derivatives, the polymeric dimethyldiallylammonium salts and their copolymers with esters and amides of acrylic acid and methacrylic acid, the copolymers of vinylpyrrolidone with quaternized derivatives of dialkylamino acrylate and methacrylate, the Vinylpyrrolidone-methoimidazole-inium chloride copolymers, the quaternized polyvinyl alcohols or the polymers specified under the INCI names Polyquaternium 2, Polyquaternium 17, Polyquaternium 18 and Polyquaternium 27.
- amphoteric polymers further comprise, in addition to a positively charged group in the polymer chain, also negatively charged groups or monomer units. These groups may be, for example, carboxylic acids, sulfonic acids or phosphonic acids.
- 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.
- X " represents a counterion, preferably a counterion from the group chloride, bromide, iodide, sulfate, hydrogen sulfate, methosulfate, lauryl sulfate, dodecyl benzenesulfonate, p-toluenesulfonate (tosylate), cumene sulfonate, xylene sulfonate, phosphate, citrate, formate, acetate or their mixtures.
- 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 -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
- Ri HC C-R2 C (O) -NH- (CH 2) -N + R3R4R5
- X " in the R 1 , R 2 , R 3 , R 4 and R 5 are independently a linear or branched, saturated or unsaturated alkyl or hydroxyalkyl radical having 1 to 6 carbon atoms, preferably a linear or branched alkyl group 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.
- H 2 C C (CH 3 ) -C (O) -NH- (CH 2 ) X -N + (CH 3 ) 3
- X " chloride also referred to as MAPTAC (Methyacrylamidopropyl trimethylammonium chloride).
- 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.
- Preferred monomer units are acrylic acid, (meth) acrylic acid, (dimethyl) acrylic acid, (ethyl) acrylic acid, cyanoacrylic acid, vinylessingic acid, allylacetic acid, crotonic acid, maleic acid, fumaric acid, cinnamic acid and their derivatives, the allylsulfonic acids such as allyloxybenzenesulfonic acid and methallylsulfonic acid or the allylphosphonic acids.
- Preferred usable amphoteric polymers are from the group of the alkylacrylamide / acrylic acid copolymers, the alkylacrylamide / methacrylic acid copolymers, the alkylacrylamide / methylmethacrylic acid copolymers, the alkylacrylamide / acrylic acid / alkylaminoalkyl (meth) acrylic acid copolymers, the alkylacrylamide / Methacrylic acid / alkylaminoalkyl (meth) acrylic acid copolymers, the alkylacrylamide / methylmethacrylic acid / alkylaminoalkyl (meth) acrylic acid copolymers, the alkylacrylamide / alkymethacrylate / alkylaminoethylmethacrylate / -alkylmethacrylate copolymers and also the copolymers of unsaturated carboxylic acids, cationic deri vatis investigating unsaturated carboxylic acids and optionally further ionic or non
- Preferred zwitterionic polymers are from the group of acrylamidoalkyltrialkylammonium chloride / acrylic acid copolymers and their alkali metal and ammonium salts, the acrylamidoalkyltrialkylammonium chloride / methacrylic acid copolymers and their alkali metal and ammonium salts and the methacroylethylbetaine / methacrylate copolymers.
- amphoteric polymers which in addition to one or more anionics
- Monomers as cationic monomers include methacrylamidoalkyl trialkyl ammonium chloride and dimethyl (diallyl) ammonium chloride.
- amphoteric polymers come from the group of Methacrylamidoalkyl-trialkyl ammonium chloride / dimethyl (diallyl) ammonium chloride / acrylic acid copolymers, the Methacryl-amidoalkyltri- alkylammonium chloride / dimethyl (diallyl) ammonium chloride / methacrylic acid copolymers and the Methacryl- amidoalkyltrialkylammonium chloride / dimethyl (diallyl ) ammonium chloride / alkyl (meth) acrylic acid copolymers and their alkali metal and ammonium salts.
- amphoteric polymers from the group of the methacrylamidopropyltrimethylammonium chloride / dimethyl (diallyl) ammonium chloride / acrylic acid copolymers, the methacrylamidopropyltrimethylammonium chloride / dimethyl (diallyl) ammonium chloride / acrylic acid copolymers and the methacrylamidopropyltrimethylammonium chloride / dimethyl (diallyl ) ammonium chloride / alkyl (meth) acrylic acid copolymers and their alkali metal and ammonium salts.
- Detergents or cleaning agents preferably contain the abovementioned cationic and / or amphoteric polymers in amounts of between 0.01 and 10% by weight, based in each case on the total weight of the detergent or cleaning agent.
- detergents or cleaners enzymes can be used. 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. Washing or cleaning agents preferably contain enzymes in total amounts of from 1 ⁇ 10 -6 to 5% by weight, based on active protein The protein concentration can be determined by means of known methods, for example the BCA method or the biuret method.
- subtilisin type ones are preferred. Examples 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, proteinase K, and the proteases TW3 and TW7, which are assigned to the subtilases but no longer to the subtilisins in the narrower sense.
- 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
- 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.
- 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 0 C. water temperature).
- the first group of zinc salts includes, for example, the zinc nitrate, the zinc oleate and the zinc stearate, and 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 organic carboxylic acid, more preferably a zinc salt from the group zinc stearate, zinc oleate, zinc gluconate, zinc acetate, zinc lactate and Zinkeitrat used.
- 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, 2 wt .-%, each based on the total weight of the glass corrosion inhibitor-containing agent.
- 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.
- cleaner formulations often contain active chlorine-containing agents which can markedly reduce the corrosion of the silver surface.
- active chlorine-containing agents such as oxygen and nitrogen-containing organic redox-active compounds, such as di- and trihydric phenols, such as hydroquinone, pyrocatechol, hydroxyhydroquinone, gallic acid, phloroglucinol, pyrogallol or derivatives of these classes of compounds are used.
- salt and complex inorganic compounds such as salts of the metals Mn, Ti, Zr, Hf, V, Co and Ce are often used.
- transition metal salts which are selected from the group of manganese and / or cobalt salts and / or complexes, especially preferred are the cobalt (ammin) complexes, the cobalt (acetate) complexes, the cobalt (carbonyl) complexes, the chlorides of cobalt or manganese and manganese sulfate. Also, zinc compounds can be used to prevent corrosion on the items to be washed.
- the metal salts and / or metal complexes mentioned are contained in cleaning agents, preferably in an amount of 0.05 to 6 wt .-%, preferably 0.2 to 2.5 wt .-%, each based on the total agent.
- Two- or multi-phase detergent or cleaning agent characterized in that the two- or multi-phase detergent or cleaning agent further contains a silver protection agent which is present together with the bleaching agent a) in a phase of the detergent or cleaning agent, are preferred according to the invention.
- perfume oils or fragrances individual fragrance compounds, for example the synthetic products of the ester type, ethers, aldehydes, ketones, alcohols and hydrocarbons, can be used in the context of the present invention. Preferably, however, mixtures of different fragrances are used, which together produce an attractive fragrance.
- perfume oils may also contain natural fragrance mixtures such as those available from vegetable sources, such as pine, citrus, jasmine, patchouly, rose or ylang-ylang oil.
- 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.
- disintegration aids so-called tablet disintegrants
- tablet disintegrants or disintegrants are meant excipients which ensure the rapid disintegration of tablets in water or other media and for the rapid release of the active ingredients.
- Disintegration aids are preferably used in amounts of from 0.5 to 10% by weight, preferably from 3 to 7% by weight and in particular from 4 to 6% by weight, based in each case on the total weight of the disintegration assistant-containing agent.
- Preferred disintegration aids preferably a disintegration aid based on cellulose, preferably in granular, cogranulated or compacted form, are present in the disintegrating agent-containing agents in amounts of from 0.5 to 10% by weight, preferably from 3 to 7% by weight and in particular from 4 to 6 wt .-%, each based on the total weight of the disintegrating agent-containing agent.
- gas-evolving effervescent systems can furthermore be used as tablet disintegration auxiliaries.
- the gas-evolving effervescent system may consist of a single substance that releases a gas upon contact with water. Among these compounds, mention should be made in particular of magnesium peroxide, which liberates oxygen on contact with water.
- the gas-releasing effervescent system in turn consists of at least two components which react with each other to form gas. While a variety of systems are conceivable and executable here, which release, for example, nitrogen, oxygen or hydrogen, the bubble system used in detergents and cleaners can be selected both on the basis of economic and environmental considerations.
- Preferred effervescent systems consist of alkali metal carbonate and / or bicarbonate and an acidifying agent which is suitable for liberating carbon dioxide from the alkali metal salts in aqueous solution.
- 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 detergents or cleaners according to the invention are in the form of two- or multiphase forms of supply, preferably in the form of two, three or four-phase supply forms.
- washing or cleaning agent dosing unit refers in particular to those forms of supply which contain the amount of washing and cleaning-active substances sufficient for carrying out individual cleaning operations 30 g and in particular between 12 and 25 g
- the volume of the shaped bodies is usually in the range between 5 and 40 ml, preferably between 8 and 30 ml and in particular between 12 and 20 ml.
- washing or cleaning agent dosing units have dimensions in the range 5 cm ⁇ 3 cm ⁇ 3 cm, preferably in the range 4.5 cm ⁇ 2.5 cm ⁇ 2.5 cm, particularly preferably in the range 4 cm ⁇ 2 cm, 2 cm ,
- phase of these two-phase or multi-phase washing or cleaning agent dosing units refers to macroscopically visible areas of these dosing units.
- the washing or cleaning active preparations present in the receiving chambers of these dosing units are referred to as "phases”.
- the two- or multi-phase detergents or cleaners according to the invention can have solid or liquid phases or combinations of solid and liquid phases.
- Examples of the above-described two- or more-phase detergent or dosing unit are, as stated above, two- or multi-layer tablets, injection molded body with two or more separate receiving chambers or foil pouches with two or more separate receiving chambers.
- the two- or multi-phase detergents or cleaners according to the invention are in the form of a two-phase or multi-phase, preferably one two-layered or multi-layered tablet.
- the individual phases of the two- or multi-phase base tablet or core tablet are preferably arranged in layers.
- the proportion by weight of the smallest phase, based on the total tablet, is preferably at least 5% by weight, preferably at least 10% by weight and in particular at least 20% by weight.
- the proportion by weight of the phase with the highest proportion by weight of the tablet in the case of two-phase tablets is preferably not more than 90% by weight, preferably not more than 80% by weight and in particular between 55 and 70% by weight.
- the proportion by weight of the phase with the highest proportion by weight of the tablet is preferably not more than 80% by weight, preferably not more than 70% by weight and in particular between 35 and 60% by weight.
- the manufacture of the dishwasher tablets preferably takes place in a manner known to the person skilled in the art by compressing particulate premixes.
- the particulate premix has an average particle size between 0.4 and 3.0 mm, preferably between 0.6 and 2.5 mm and in particular between 0.8 and 2.0 mm.
- Preferred methods in the context of the present invention are characterized in that the pressing takes place at pressing pressures of 0.01 to 50 kNcrrf 2 , preferably of 0.1 to 40 kNcrrf 2 and in particular of 1 to 25 kNcrrf 2 .
- the density of dishwasher tablets preferred according to the invention is between 1.1 and 1.8 g / cm 3 , preferably between 1.2 and 1.7 cm 3 and in particular between 1.3 and 1.6 g / cm 3 .
- Another object of the present application is therefore a process for preparing a two- or multi-phase detergent tablets, characterized in that a particulate premix comprising a) a bleaching agent b) a bleach activator c) a bleach catalyst selected from the group bleach-enhancing transition metal salts and transition metal complexes, produced and pressed into a tablet in such a way that the bleaching agent a) is present together with at least one of the constituents b) or c) in one phase of the washing or cleaning agent.
- Concentric presses can be provided to increase the throughput with two filling shoes, which only a semicircle must be run through to produce a tablet.
- the tablets in the context of the present invention can also be multi-phase, in particular multi-layered.
- the moldings can be made in a predetermined spatial form and predetermined size.
- a form of space practically all useful manageable configurations come into consideration, for example, the training as a blackboard, the bar or bar shape, cubes, cuboids and corresponding space elements with flat side surfaces and in particular cylindrical configurations with circular or oval cross-section.
- This last embodiment covers the presentation form of the tablet up to compact cylinder pieces with a ratio of height to diameter above 1.
- Particularly preferred two- or multi-phase detergents or cleaners according to the invention have the form of a well tablet with a core inserted into the well, preferably compressed.
- Corresponding processes for producing a dishwasher detergent tablet characterized in that a particulate premix comprising a) a bleaching agent b) a bleach activator c) a bleach catalyst selected from the group of bleach-enhancing transition metal salts and transition metal complexes is prepared and pressed into a well tablet such that the bleach a) is present together with at least one of the components b) or c) in one phase of the washing or cleaning agent, are preferred according to the invention.
- ⁇ is the diametrical fracture stress (DFS) in Pa
- P is the force in N which results in the pressure applied to the molded article causing the breakage of the molded article
- D is the molded article diameter in meters and t the height of the moldings.
- the two- or multi-phase detergents or cleaners according to the invention are in the form of injection-molded metering units with two or more separate receiving chambers.
- Injection molding refers to the forming of a molding material such that the mass contained in a mass cylinder for more than one injection molding plastically softens under heat and flows under pressure through a nozzle into the cavity of a previously closed tool.
- the method is mainly applied to non-hardenable molding compounds which solidify in the tool by cooling.
- Injection molding is a very economical modern process for producing non-cutting shaped articles and is particularly suitable for automated mass production.
- thermoplastic molding compounds are heated to liquefaction (up to 180 0 C) and injected under high pressure (up to 140 MPa) in closed, two-part, ie from Gesenk (formerly Die) and core (formerly male) existing, preferably water-cooled molds, where they cool and solidify.
- Suitable molding compositions are water-soluble polymers such as, for example, cellulose ethers, pectins, polyethylene glycols, polyvinyl alcohols, polyvinylpyrrolidones, alginates, gelatin or starch.
- the two- or multi-phase detergents or cleaners according to the invention are in the form of film bags with two or more separate receiving chambers.
- the film bags are preferably obtained by deep drawing a film-like wrapping material.
- the deep drawing is preferably carried out by bringing the wrapping material over a receiving trough located in a die forming the deep-drawing tray and shaping the wrapping material into this receiving trough by the action of pressure and / or vacuum.
- the shell material may be pre-treated before or during the molding by the action of heat and / or solvent and / or conditioning by relative to ambient conditions changed relative humidity and / or temperatures.
- the pressure action can be carried out by two parts of a tool, which behave as positive and negative to each other and deform a spent between these tools film when squeezed. As pressure forces, however, the action of compressed air is also suitable and / or the weight of the film and / or the weight of a spent on the top of the film active substance.
- Suitable film materials are water-soluble polymers such as, for example, cellulose ethers, pectins, polyethylene glycols, polyvinyl alcohols, polyvinylpyrrolidones, alginates, gelatin or starch.
- 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 are metered into the interior of the dishwasher.
- a kit for a dishwasher comprising a) a machine dishwashing detergent according to the invention; (b) instructions instructing the consumer to use the automatic dishwashing detergent without the addition of a rinse aid and / or a softening salt are another subject of this application.
- the automatic dishwasher detergents according to the invention show their advantageous cleaning properties, in particular also low-temperature cleaning processes.
- Preferred dishwashing method using the inventive agent are therefore characterized in that this process at temperatures up to 55 ° C, are preferably carried out to a maximum of 50 0 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 dishwashing detergent according to the invention for improving the bleaching performance in automatic dishwashing, in particular for removing tea stains.
- the values given are the mean values of purification tests which were carried out immediately after preparation of the dishwasher tablets and after storage for 4 weeks.
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Application Number | Priority Date | Filing Date | Title |
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PL08858511T PL2225357T3 (en) | 2007-12-11 | 2008-11-05 | Cleaning composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007059968A DE102007059968A1 (en) | 2007-12-11 | 2007-12-11 | cleaning supplies |
PCT/EP2008/064970 WO2009074404A1 (en) | 2007-12-11 | 2008-11-05 | Cleaning agent |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2225357A1 true EP2225357A1 (en) | 2010-09-08 |
EP2225357B1 EP2225357B1 (en) | 2013-12-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08858511.2A Revoked EP2225357B1 (en) | 2007-12-11 | 2008-11-05 | Cleaning composition |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100249007A1 (en) |
EP (1) | EP2225357B1 (en) |
KR (1) | KR101577470B1 (en) |
DE (1) | DE102007059968A1 (en) |
ES (1) | ES2442942T3 (en) |
PL (1) | PL2225357T3 (en) |
WO (1) | WO2009074404A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2704568C (en) * | 2007-11-09 | 2016-01-26 | The Procter & Gamble Company | Cleaning compositions with monocarboxylic acid monomers, dicarboxylic monomers, and monomers comprising sulfonic acid groups |
JP5750265B2 (en) * | 2008-03-31 | 2015-07-15 | 株式会社日本触媒 | Sulphonic acid group-containing maleic acid water-soluble copolymer aqueous solution and powder obtained by drying |
DE102008060470A1 (en) * | 2008-12-05 | 2010-06-10 | Henkel Ag & Co. Kgaa | cleaning supplies |
DE102010029626A1 (en) * | 2010-06-02 | 2011-12-08 | Henkel Ag & Co. Kgaa | Geschirrspülmittelkompaktate |
US8647567B2 (en) | 2011-04-06 | 2014-02-11 | The Clorox Company | Methods of providing uniform delivery of a functional agent from a shaped composition |
CA2832887A1 (en) | 2011-04-11 | 2012-10-18 | ADA-ES, Inc. | Fluidized bed method and system for gas component capture |
CN104812467B (en) | 2012-09-20 | 2017-05-17 | Ada-Es股份有限公司 | Method and system to reclaim functional sites on sorbent contaminated by heat stable salts |
EP2992074B1 (en) * | 2013-05-02 | 2017-06-21 | Ecolab USA Inc. | Concentrated detergent composition for the improved removal of starch in warewashing applications |
AU2013403675B2 (en) | 2013-10-24 | 2017-01-12 | Ecolab Usa Inc. | Compositions and methods for removing soils from surfaces |
JP2017511421A (en) * | 2014-04-15 | 2017-04-20 | エコラボ ユーエスエー インコーポレイティド | Novel solid block comprising one or more domains of prismatic or cylindrical shape and its manufacture |
JP6773696B2 (en) | 2015-07-06 | 2020-10-21 | エコラボ ユーエスエー インコーポレイティド | Stain removal with a new combination of oxidizing agent and chelating agent |
JP2019049004A (en) * | 2018-11-21 | 2019-03-28 | エコラボ ユーエスエー インコーポレイティド | Novel solid block comprising one or more domains of prismatic or cylindrical shape and production thereof |
ES2724992B2 (en) * | 2019-05-16 | 2020-03-17 | Sanchez Sandra Herrero | Detergent for washing sportswear and its manufacturing procedure |
DE102020215584A1 (en) * | 2020-12-09 | 2022-06-09 | Henkel Ag & Co. Kgaa | Process for the production of multiphase laundry detergent or cleaning product tablets |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2100925T3 (en) | 1990-05-21 | 1997-07-01 | Unilever Nv | WHITENING ACTIVATION. |
GB9022724D0 (en) | 1990-10-19 | 1990-12-05 | Unilever Plc | Detergent compositions |
GB9118242D0 (en) | 1991-08-23 | 1991-10-09 | Unilever Plc | Machine dishwashing composition |
GB9124581D0 (en) | 1991-11-20 | 1992-01-08 | Unilever Plc | Bleach catalyst composition,manufacture and use thereof in detergent and/or bleach compositions |
AU7506694A (en) | 1993-09-03 | 1995-03-22 | Unilever Plc | Bleach catalyst composition |
US5900395A (en) * | 1996-12-23 | 1999-05-04 | Lever Brothers Company | Machine dishwashing tablets containing an oxygen bleach system |
ES2194802T3 (en) | 1998-07-17 | 2003-12-01 | Procter & Gamble | PADS OF DETERGENT AND ITS PRODUCTION. |
US6686328B1 (en) * | 1998-07-17 | 2004-02-03 | The Procter & Gamble Company | Detergent tablet |
US6589932B1 (en) * | 1998-07-17 | 2003-07-08 | The Procter & Gamble Company | Detergent tablet |
US6551981B1 (en) * | 1998-07-17 | 2003-04-22 | Patrizio Ricci | Detergent tablet |
US6551982B1 (en) * | 1998-07-17 | 2003-04-22 | Procter & Gamble Company | Detergent tablet |
US6770616B1 (en) * | 1999-03-04 | 2004-08-03 | The Procter & Gamble Company | Detergent tablet |
US6995125B2 (en) * | 2000-02-17 | 2006-02-07 | The Procter & Gamble Company | Detergent product |
US6831051B2 (en) * | 2000-04-28 | 2004-12-14 | The Procter & Gamble Company | Pouched compositions |
ATE318299T1 (en) * | 2000-06-09 | 2006-03-15 | Procter & Gamble | METHOD FOR TREATING TISSUE WITH A DETERGENT MOLDED BODY CONTAINING AN ION EXCHANGE RESIN |
DE50107923D1 (en) * | 2000-07-14 | 2005-12-08 | Henkel Kgaa | COMPARTMENT HOLLOW BODY CONTAINS WASHING, CLEANING OR DISHWASHER PORTION |
GB2365018A (en) * | 2000-07-24 | 2002-02-13 | Procter & Gamble | Water soluble pouches |
WO2002024848A2 (en) * | 2000-09-20 | 2002-03-28 | Reckitt Benckiser Inc | Improvements in enzyme containing tablets |
KR20070004963A (en) * | 2004-04-29 | 2007-01-09 | 시바 스폐셜티 케미칼스 홀딩 인코포레이티드 | Use of metal complexes having bispyridylpyrimidine or bispyridyltriazine ligands as catalysts for reactions with peroxy compounds for bleaching coloured stains on hard surfaces |
PL1721962T3 (en) * | 2005-05-11 | 2009-01-30 | Unilever Nv | Dishwashing composition and process for washing dishes |
-
2007
- 2007-12-11 DE DE102007059968A patent/DE102007059968A1/en not_active Withdrawn
-
2008
- 2008-11-05 EP EP08858511.2A patent/EP2225357B1/en not_active Revoked
- 2008-11-05 PL PL08858511T patent/PL2225357T3/en unknown
- 2008-11-05 ES ES08858511.2T patent/ES2442942T3/en active Active
- 2008-11-05 KR KR1020107012839A patent/KR101577470B1/en active IP Right Grant
- 2008-11-05 WO PCT/EP2008/064970 patent/WO2009074404A1/en active Application Filing
-
2010
- 2010-06-11 US US12/813,558 patent/US20100249007A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2009074404A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20100249007A1 (en) | 2010-09-30 |
WO2009074404A1 (en) | 2009-06-18 |
KR101577470B1 (en) | 2015-12-14 |
PL2225357T3 (en) | 2014-05-30 |
ES2442942T3 (en) | 2014-02-14 |
KR20100106375A (en) | 2010-10-01 |
DE102007059968A1 (en) | 2009-06-18 |
EP2225357B1 (en) | 2013-12-25 |
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