EP2961822B1 - Formules, leur utilisation comme détergent pour lave-vaisselle ou destinées à sa fabrication, ainsi que leur fabrication - Google Patents

Formules, leur utilisation comme détergent pour lave-vaisselle ou destinées à sa fabrication, ainsi que leur fabrication Download PDF

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Publication number
EP2961822B1
EP2961822B1 EP14702846.8A EP14702846A EP2961822B1 EP 2961822 B1 EP2961822 B1 EP 2961822B1 EP 14702846 A EP14702846 A EP 14702846A EP 2961822 B1 EP2961822 B1 EP 2961822B1
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Prior art keywords
polypropyleneimine
water
range
present
alkoxylated
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EP2961822A1 (fr
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Stephan Hüffer
Sophia Ebert
Björn LUDOLPH
Christoph Müller
Alejandra Garcia Marcos
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BASF SE
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BASF SE
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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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0073—Anticorrosion compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3723—Polyamines or polyalkyleneimines
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/18—Glass; Plastics

Definitions

  • the present invention relates to a process for the preparation of formulations according to the invention and their use as or for the production of dishwashing agents, in particular dishwasher detergents for automatic dishwashing.
  • Dishwashing detergents have many requirements to fulfill. So they have to clean the dishes thoroughly, they should have no harmful or potentially harmful substances in the wastewater, they should allow the draining and drying of the water from the dishes, and they should not cause problems when operating the dishwasher. Finally, they should not lead to aesthetically undesirable consequences on the good to be cleaned. Especially in this context is the glass corrosion.
  • Glass corrosion is caused not only by mechanical effects, for example by rubbing glasses or mechanical contact of the glasses with parts of the dishwasher, but is mainly promoted by chemical influences.
  • certain ions can be released from the glass by repeated mechanical cleaning, adversely altering the optical and thus the aesthetic properties.
  • Glass corrosion has several effects. On the one hand, one can observe the formation of microscopically fine cracks, which are noticeable in the form of lines. On the other hand, one can often observe a general cloudiness, for example a roughening, which makes the glass in question look unaesthetic. Overall, such effects are also subdivided into iridescent discoloration, scoring and surface and annular opacities.
  • WO 2006/108857 discloses alkoxylated polyethyleneimines as additives to detergents.
  • Detergents containing zeolites or polyaminocarboxylates such as EDTA or triethylenediamine pentaacetate as complexing agents are disclosed by way of example.
  • WO 01/96516 suggests formulations containing alkoxylated polyethylenimine for cleaning hard surfaces. For rinsing, purified water is used.
  • Dishwashing agents which contain polyethyleneimine. Such dishwashing agents may contain phosphate or be phosphate-free. It is attributed to them a good inhibition of glass corrosion. Of zinc and bismuth-containing dishwashing detergents is not recommended. The glass corrosion, in particular the line corrosion and the turbidity, but is not sufficiently delayed or prevented in many cases.
  • formulations defined above were found, also called formulations according to the invention.
  • inorganic cations such as ammonium, alkali or alkaline earth metal are suitable, preferably Mg 2+, Ca 2+, Na +, K +, or organic cations, preferably with one or more organic radicals, substituted ammonium, in particular triethanol ammonium, N, N-diethanolammonium, N-mono-C 1 -C 4 -alkyldiethanolammonium, for example N-methyldiethanolammonium or Nn-butyldiethanolammonium, and N, N-di-C 1 -C 4 -alkylethanolammonium.
  • inorganic cations such as ammonium, alkali or alkaline earth metal are suitable, preferably Mg 2+, Ca 2+, Na +, K +, or organic cations, preferably with one or more organic radicals, substituted ammonium, in particular triethanol ammonium, N, N-diethanolammonium, N-mono-C 1 -C 4 -alkyl
  • Very particularly preferred compounds (A) are the alkali metal salts, in particular the sodium salts of methylglycine diacetate (MGDA), iminodisuccinic acid (IDS) and glutamic acid diacetate (GLDA).
  • MGDA methylglycine diacetate
  • IDS iminodisuccinic acid
  • GLDA glutamic acid diacetate
  • MGDA methylglycine diacetate
  • IDS iminodisuccinic acid
  • GLDA glutamic acid diacetate
  • Alkoxylated polypropyleneimines are also referred to in the context of the present invention as "modified polypropyleneimine (B)” or “alkoxylated polypropyleneimine (B)".
  • modified polypropyleneimine B
  • alkoxylated polypropyleneimine B
  • Non-alkoxylated polypropyleneimine is also referred to in the context of the present invention as “polypropyleneimine (B)" for short.
  • polypropyleneimine (B) has a molecular weight M n in the range of 300 to 4,000 g / mol, preferably 400 to 2,000 g / mol.
  • modified polypropyleneimine (B) has an average molecular weight M w in the range of 800 to 25,000 g / mol.
  • polypropyleneimine in the context of the present invention does not only refer to homopolymers of propylenediamine, but also to those polyalkyleneimines which, in addition to NH-CH 2 -CH 2 -CH 2 -NH units and / or NH-CH 2 -CH (CH 3 ) -NH units have other alkylenediamine units, for example NH-CH 2 -CH 2 -NH units, NH- (CH 2 ) 4 -NH units, NH- (CH 2 ) 6 -NH units or NH - (CH 2 ) 8 -NH units, but with molar NH-CH 2 -CH 2 -CH 2 -NH units and / or NH-CH 2 -CH (CH 3 ) -NH units in the majority.
  • preferred polypropyleneimines have at least 60 mole% propylene imine units per molecule, more preferably at least 70 mole%.
  • polypropyleneimine refers to those polyalkyleneimines which have only one or no structural element other than NH-CH 2 -CH 2 -CH 2 -NH.
  • Polypropyleneimine can be linear, predominantly linear or branched, predominantly linear is preferred, and linear is particularly preferred.
  • the structure of polypropyleneimine can be controlled by the nature of the synthesis.
  • Polypropyleneimine in the context of the present invention may also be referred to as polypropylene polyamines.
  • Polypropyleneimines in the context of the present invention have at least 6 N atoms per molecule, for example as NH 2 groups, as secondary amino groups or as tertiary amino groups.
  • Branches of polypropyleneimines may be, for example, CH 2 -CH 2 -NH 2 groups, or (CH 2 ) 3 -NH 2 units. Larger branches may be, for example, - (CH 2 ) 3 -N (CH 2 CH 2 CH 2 NH 2 ) 2 units.
  • Highly branched polypropyleneimines can be, for example, polypropylene end-dendrimers or related molecules, for example with a degree of branching (DB) in the range from 0.25 to 0.95, preferably from 0.3 to 0.80 and particularly preferably from at least 0.5.
  • DB degree of branching
  • Methyl groups are not considered as branches in the context of the present invention.
  • polypropyleneimines having little or no branching that is to say predominantly linear and in particular linear polypropyleneimines.
  • polypropyleneimine may be prepared by catalytic polycondensation of propanolamine and optionally at least one other aminoalcohol or by catalytic polyco-condensation of propanediol with propanediamine and optionally at least one other diol and / or at least one other diamine.
  • Polypropyleneimine is preferably prepared by catalytic polycondensation of propanediamine with optionally at least one further diamine. The latter type of polycondensation is also referred to as transamination.
  • Other amino alcohols, diols and diamines are selected from aliphatic aminoalcohols, aliphatic diols and aliphatic diamines.
  • aminopropanols are 3-amino-1-propanol, 1-amino-2-propanol and 2-amino-1-propanol and mixtures of the abovementioned aminopropanols, with 3-amino-1-propanol being preferred.
  • up to 40 mole% of aminopropanol, preferably up to 30 mole% of aminopropanol may be replaced by one or more amino alcohols bearing one hydroxy group and one primary or secondary amino group per mole.
  • amino alcohols are linear or branched amino alcohols, for example monoethanolamine, diethanolamine, aminobutanol, for example 4-aminobutan-1-ol, 2-aminobutan-1-ol or 3-aminobutan-1-ol, aminopentanol, for example 5-aminopentane 1-ol or 1-aminopentan-2-ol, aminodimethylpentanol, for example 5-amino-2,2-dimethylpentanol, aminohexanol, for example 2-aminohexan-1-ol or 6-aminohexan-1-ol, aminoheptanol, for Example 2-aminoheptan-1-ol or 7-aminoheptan-1-ol, amino octanol, for example 2-aminooctan-1-ol or 8-aminooctan-1-ol, aminononanol, for example 2-aminononan-1-ol or 9 Aminonano
  • polypropyleneimine is obtained by catalytic polycondensation of 3-aminopropan-1-ol, without the addition of aminoalcohol other than 3-aminopropan-1-ol.
  • propanediamines and propanediols which can be processed by poly-co-condensation to polypropyleneimine are described below.
  • propanediamines are propane-1,2-diamine and propane-1,3-diamine and mixtures of the above, with propane-1,3-diamine being preferred.
  • propanediols are propane-1,3-diol and propane-1,2-diol and mixtures of the above, with propane-1,3-diol being preferred.
  • poly-co-condensation poly-co-condensation of propane-1,3-diol with propane-1,3-diamine is preferred.
  • Examples of other aliphatic diols are linear or branched diols. Specific examples are ethylene glycol, 2-methyl-1,3-propanediol, butanediols, for example 1,4-butylene glycol or butane-2,3-diol or 1,2-butylene glycol, pentanediols, for example neopentyl glycol or 1,5-pentanediol or 1,2-pentanediol, hexanediols, for example 1,6-hexanediol or 1,2-hexanediol, heptanediols, for example 1,7-heptanediol or 1,2-heptanediol, octanediols, for example 1,8-octanediol or 1 , 2-octanediol, nonanediols, for example 1,9
  • Examples of other aliphatic diamines are linear or branched diamines. Specific examples are ethylenediamine, butylenediamines, for example, 1,4-butylenediamine or 1,2-butylenediamine, diaminopentanes, for example, 1,5-diaminopentane or 1,2-diaminopentane, diaminohexane, for example, 1,6-diaminohexane, 1.5 Diamino-2-methylpentane or 1,2-diaminohexane, diaminoheptane, for example 1,7-diaminoheptane or 1,2-diaminoheptane, diaminooctane, for example 1,8-diaminooctane or 1,2-diaminooctane, diaminononane, for example 1 , 9-diaminononane or 1,2-diaminononane, diamin
  • compounds having two NH 2 groups and one tertiary amino group for example N, N-bis (3-aminopropyl) methylamine, are also to be considered as diamines.
  • polypropyleneimine is prepared by catalytic poly-co-condensation of 1,3-propylene glycol with 1,3-propanediamine, without the use of diols and diamines derived from 1,3-propylene glycol and 1, respectively. 3-propanediamine are different.
  • polycondensations or poly-co-condensations can be carried out in the absence or in the presence of hydrogen, for example under a hydrogen pressure in the range from 1 to 10 MPa.
  • the polycondensations or poly-co-condensations described above can be carried out at a temperature in the range from 20 to 250.degree. C., preferably at least 100 and at most 200.degree.
  • the water formed during the reaction can be removed, for example by distillation.
  • Suitable catalysts for the above-described polycondensations or poly-co-condensations can preferably be selected from homogeneous catalysts.
  • Suitable homogeneous catalysts can be used in activated form or activated in situ during the polycondensation or poly-co-condensation.
  • catalysts for homogeneous catalysis are Ru (p-cumene) Cl 2 ] 2 , [Ru (benzene) Cl 2 ] y , [Ru (CO) 2 Cl 2 ] y , where y is in each case in the range from 1 to 1000, [Ru (CO) 3 Cl 2 ] 2 , [Ru (COD) (allyl)], RuCl 3 -H 2 O, [Ru (acetylacetonate) 3 ], [Ru (DMSO) 4 Cl 2 ], [Ru (Cp ) (CO) 2 Cl], [Ru (Cp) (CO) 2 H], [Ru (Cp) (CO) 2 ] 2 , [Ru (Cp) (CO) 2 Cl], [Ru (Cp *) (CO) 2 H], [Ru (Cp *) (CO) 2 ] 2 , [Ru (indenyl) (CO) 2 Cl], [Ru (indenyl) (CO) 2 H], [Ru (indenyl) (CO) 2 H], [Ru
  • Cp means cyclopentadienyl and Cp * means pentamethylcyclopentadienyl.
  • COD is cycloocta-1,5-dienyl, Et: ethyl, Me: methyl, Ph: phenyl, n-Pr: n-propyl, n-Bu: n-butyl, bipy: 2,2'-bipyridyl.
  • polypropyleneimines prepared by the polycondensation or poly-co-condensation described above have an OH number in the range of 1 to 1000 mg KOH / g, preferably 2 to 500 mg KOH / g from 10 to 300 mg KOH / g.
  • the OH number can be determined according to DIN 53240.
  • polypropyleneimines prepared by the above-described polycondensation or poly-co-condensation have a primary amine value in the range of 1 to 1000 mg KOH / g, preferably 10 to 500 mg KOH / g, more preferably 50 up to 300 mg KOH / g.
  • polypropyleneimines prepared by the polycondensation or poly-co-condensation described above have a secondary amine value in the range of 1 to 1000 mg KOH / g, preferably 10 to 500 mg KOH / g, more preferably 50 up to 300 mg KOH / g.
  • the secondary amine number can be determined according to ASTM D2074-07.
  • polypropyleneimines prepared by the polycondensation or poly-co-condensation described above have a tertiary amine value in the range of 1 to 300 mg KOH / g, preferably 5 to 200 mg KOH / g, more preferably 10 to 100 mg KOH / g.
  • the tertiary amine number can be determined according to ASTM D2074-07.
  • the molar proportion of tertiary amine nitrogens is determined by 15 N NMR spectroscopy. In cases in which the tertiary amine number and the values for the tertiary amine nitrogen atoms, which are inconsistent by 15 N-NMR spectroscopy, should be obtained, the values determined by means of 15 N-NMR spectroscopy apply.
  • polypropyleneimines can be obtained by catalytic transamination of propanediamine and optionally at least one further diamine.
  • propanediamines are 1,2-propanediamine and 1,3-propanediamine. Particularly preferred are transaminations of 1,3-propanediamine.
  • propanediamine can be replaced by one or more propanediamine-different aliphatic diamines, in particular up to 30 mol%.
  • Examples of other aliphatic diamines are linear or branched diamines. Specific examples are ethylenediamine, butylenediamines, for example, 1,4-butylenediamine or 1,2-butylenediamine, diaminopentanes, for example, 1,5-diaminopentane or 1,2-diaminopentane, diaminohexane, for example, 1,6-diaminohexane, 1.5 Diamino-2-methylpentane or 1,2-diaminohexane, diaminoheptane, for example 1,7-diaminoheptane or 1,2-diaminoheptane, diaminooctane, for example 1,8-diaminooctane or 1,2-diaminooctane, diaminononane, for example 1 , 9-diaminononane or 1,2-diaminononane, diamin
  • compounds having two NH 2 groups and one tertiary amino group for example N, N-bis (3-aminopropyl) methylamine, are also to be considered as diamines.
  • polypropyleneimine is obtained by catalytic transamination of 1,3-propanediamine without addition of a diamine other than 1,3-propanediamine.
  • Catalysts suitable for the transamination of propanediamine and optionally at least one further diamine are preferably heterogeneous catalysts containing at least one transition metal selected from Fe, Co, Ni, Ru, Rh, Pd, Os, Ir and Pt, preferably of Co, Ni, Ru, Cu and Pd, and more preferably of Co, Ni and Cu.
  • transition metal selected from Fe, Co, Ni, Ru, Rh, Pd, Os, Ir and Pt, preferably of Co, Ni, Ru, Cu and Pd, and more preferably of Co, Ni and Cu.
  • the abovementioned metals may also be referred to as "catalytically active metals" in the context of the present invention.
  • a catalytically active metal may be doped with one or more promoters other than the catalytically active metal, for example with Cr, Co, Mn, Mo, Ti, Sn, alkali metal, alkaline earth metal or phosphorus.
  • Raney-type catalyst which can be obtained by activating an alloy of a catalytically active metal with another metal, preferably aluminum.
  • Preferred are Raney nickel and Raney cobalt.
  • a supported Pd catalyst or supported Pt catalyst may be employed.
  • suitable support materials are carbon, for example as activated carbon, furthermore Al 2 O 3 , TiO 2 , ZrO 2 and SiO 2 .
  • catalysts which can be obtained by reducing a catalyst precursor.
  • Catalyst precursors contain an active mass of precursors of one or more catalytically active components, optionally one or more promoters and optionally a support material.
  • the catalytically active components are oxygen-containing compounds of the abovementioned catalytically active metals, for example their metal oxides or hydroxides, such as CoO, NiO, CuO and / or their mixed oxides.
  • the transamination of propanediamine and optionally further diamine can be carried out in the absence or in the presence of hydrogen, for example under a hydrogen pressure in the range from 1 to 400 bar, preferably up to 200 bar and particularly preferably up to 100 bar.
  • the transamination of propanediamine and optionally further diamine can be carried out at a temperature in the range of 50 to 200 ° C, preferably 90 to 180 ° C and particularly preferably 120 to 160 ° C.
  • the transamination of propanediamine and optionally further diamine can be carried out at a pressure in the range from 1 to 400 bar, preferably up to 200 bar and particularly preferably up to 100 bar.
  • a polypropyleneimine which has no hydroxyl groups is obtained.
  • the OH number according to DIN 53240 is accordingly zero. This statement naturally refers to the polypropyleneimine prior to the alkoxylation.
  • polypropyleneimines prepared by the transamination described above have a primary amine value in the range of 10 to 1000 mg KOH / g, preferably 80 to 800 mg KOH / g, more preferably 100 to 500 mg KOH / g ,
  • polypropyleneimines prepared by the transamination described above have a secondary amine number in the range from 100 to 2000 mg KOH / g, preferably from 200 to 1500 mg KOH / g, more preferably from 300 to 1000 mg KOH / g.
  • the secondary amine number can be determined according to ASTM D2074-07.
  • polypropyleneimines prepared by the transamination described above have zero to 2 mole percent tertiary amine nitrogen atoms, based on all N atoms in the molecule of interest.
  • the molar fraction of the tertiary amine nitrogen atoms is preferably determined by 15 N-NMR spectroscopy.
  • the average molecular weight M n of polypropyleneimine (B) is in the range from 300 to 4,000 g / mol, more preferably in the range from 400 to 2,000 g / mol.
  • the average molecular weight M n can be obtained, for example, by gel permeation chromatography (GPC) or by end group analysis, for example by NMR spectroscopy.
  • the width of the molecular weight distribution M w / M n of polypropyleneimine (B) is in the range of 1.2 to 20, preferably in the range of 1.5 to 7.5.
  • the cationic charge density of alkoxylated polypropyleneimine is in the range of 4 to 22 meq / g dry weight, preferably in the range of 6 to 18 meq / g dry mass, determined at a pH in the range of 3 to 4 by titration ,
  • Polypropyleneimine (B) is used in one embodiment of the present invention in covalently modified form, such that preferably 90 to 100 mol% of the nitrogen atoms of the primary and secondary amino groups of the polypropyleneimine (B) are alkoxylated.
  • alkoxylation one can use epoxides, for example ethylene oxide, propylene oxide, 1,2-butylene oxide, 2,3-butylene oxide, styrene oxide or epichlorohydrin.
  • Preferred alkoxylation reagents are butylene oxide, ethylene oxide and propylene oxide as well as combinations of ethylene oxide and propylene oxide. If one uses combinations of ethylene oxide and propylene oxide, it is possible to incorporate the various alkylene oxides blockwise or statistically.
  • modified polypropyleneimine (B) is selected from polypropyleneimines that are alkoxylated with ethylene oxide or propylene oxide. More particularly, alkoxylated modified polypropyleneimine (B) is used with ethylene oxide as the sole alkylene oxide.
  • the molar ratio of nitrogen atoms to alkylene oxide groups in modified polypropyleneimine (B) is in the range of 1: 1 to 1:00, preferably in the range of 1: 2 to 1:15.
  • the alkoxylation of polypropyleneimine (B) can be carried out, for example, as follows.
  • the alkoxylation is carried out as a catalytic alkoxylation.
  • suitable catalysts are Lewis acids, for example AlCl 3 or BF 3 etherate, BF 3 , BF 3 .H 3 PO 4 , SbCl 5 .2H 2 O and hydrotalcite.
  • Preferred catalysts are strong bases, for example potassium hydroxide, sodium hydroxide, potassium or sodium alcoholates such as potassium methylate (KOCH 3 ), sodium methylate (NaOCH 3 ), potassium ethoxide, sodium ethanolate and potassium tert-butoxide.
  • Suitable strong bases are sodium hydride, calcium hydride and alkali metal carbonates such as sodium carbonate and potassium carbonate.
  • Particularly preferred catalysts are alkali metal hydroxides and alkali metal alcoholates, most preferably sodium hydroxide and potassium hydroxide. As a rule, it is possible to use 0.05 to 10% by weight of catalyst, preferably 0.5 to 2% by weight, based on the sum of polypropyleneimine and alkylene oxide.
  • the alkoxylation is carried out at a temperature in the range of 90 to 240 ° C, preferably in the range of 120 to 180 ° C, in a closed vessel, for example in an autoclave.
  • the alkoxylation is carried out at a pressure in the range from 1 to 10 bar, preferably up to 8 bar.
  • alkylene oxide (e) and polypropyleneimine and, if appropriate, catalyst are reacted with one another under the vapor pressure of the relevant alkylene oxide or of the mixture of the respective alkylene oxides at the selected temperature.
  • Alkylene oxide (s) can be introduced in pure form or, as an alternative, in a form diluted with inert gas, for example in 30 to 60% by volume mixture.
  • suitable inert gases are noble gases and in particular nitrogen.
  • a dilution can be chosen, for example, as a safety measure against an explosive polyaddition of alkylene oxides.
  • the various alkylene oxide units may be randomly distributed or blocky. If several alkylene oxides are introduced simultaneously into the reaction, deviations from the strict random principle during incorporation of the alkylene oxide units can result from different alkylene oxides having a different reactivity. It is possible to achieve a predetermined incorporation of the alkylene oxide units by means of a programmed feed of the alkylene oxides. If the alkylene oxides are fed in successively, a block-like distribution of the alkylene oxide units is generally obtained.
  • the alkoxylation may preferably be carried out in two or more substeps, the first step being to first to analkoxylate polypropyleneimine.
  • the first step being to first to analkoxylate polypropyleneimine.
  • the alkoxylation is preferably carried out in aqueous solution and without catalyst.
  • reaction temperature in the range from 70 to 200 ° C., preferably in the range from 80 to 160 ° C.
  • the alkoxylation at a pressure of up to 10 bar, preferably up to 8 bar.
  • the lower limit is normal pressure.
  • the second substep-and optionally the further substeps- can be carried out in each case in bulk, embodiment (i), or in an organic solvent, embodiment (ii).
  • the water can be removed from the partial step, preferably before the addition of a water-sensitive catalyst.
  • the water can be distilled off, for example, by heating to a temperature in the range of 80 to 150 ° C at a reduced pressure in the range of 0.01 to 0.5 bar.
  • the catalyst is water insensitive, for example, alkali metal hydroxide, one may also first add the catalyst and then remove the water.
  • the further alkoxylation can be carried out at a reaction temperature in the range from 70 to 200 ° C., preferably in the range from 100 to 180 ° C.
  • further alkoxylation can be carried out at a pressure of up to 10 bar, preferably up to 8 bar.
  • the lower limit is normal pressure.
  • the further alkoxylation is carried out over a period of 30 minutes to 12 hours.
  • suitable solvents for carrying out embodiment (ii) are nonpolar and polar aprotic organic solvents.
  • suitable nonpolar aprotic organic solvents are aliphatic and aromatic hydrocarbons such as n-hexane, n-heptane, cyclohexane, toluene and the various isomers of xylene.
  • polar aprotic solvents examples include ethers, in particular cyclic ethers such as tetrahydrofuran and 1,4-dioxane, furthermore N, N-dialkylamides such as dimethylformamide and dimethylacetamide and N-alkyllyllams such as N-methylpyrrolidone and N-ethylpyrrolidone. It is also possible to use mixtures of two or more of the aforementioned solvents. Particularly preferred solvents are xylene, especially as a mixture of isomers, and toluene.
  • embodiment (ii) it is also advantageous for embodiment (ii) to remove any water originating from the partial alkoxylation step, preferably even before the addition of the catalyst, for example at a temperature in the range from 120 to 180 ° C. and under reduced pressure, for example 0 , 01 to 0.5 bar, or by stripping with nitrogen.
  • the further alkoxylation then takes place as in the second and, if appropriate, further substeps of embodiment (ii).
  • Polypropyleneimine (B), which may be alkoxylated, may have as counter ions high molecular weight or low molecular weight anions, organic or preferably inorganic.
  • High molecular weight anions in the context of the present invention have an average molecular weight of 200 g / mol or more, for example up to 2500 g / mol
  • low molecular weight anions have a molecular weight of less than 200 g / mol, for example from 17 to 150 g / mol.
  • Examples of low molecular weight organic counterions are acetate, propionate and benzoate.
  • Examples of low molecular weight inorganic counterions are sulfate, chloride, bromide, hydroxide, carbonate, methanesulfonate and bicarbonate.
  • modified polypropylenimine (B) has a cationic charge density of at least 5 meq / g to preferably at most 25 meq / g (milliequivalents / g), preferably to 22 meq / g, with g in modified Polypropyleneimine (B) without consideration of the counterions relates.
  • the cationic charge density can be determined, for example, by titration, for example with polyvinyl sulfate solution.
  • modified polypropylene in (B) has a molecular weight distribution M w / M n in the range of 1.1 to 10, preferably 1.5 to 5.
  • formulations according to the invention contain total in the range of 1 to 50% by weight of aminocarboxylate (A), preferably 10 to 25% by weight, in total in the range of 0.001 to 5% by weight of polypropyleneimine (B), which may be alkoxylated, preferably 0.02 up to 0.5% by weight, in each case based on solids content of the relevant formulation.
  • A aminocarboxylate
  • B polypropyleneimine
  • formulation according to the invention contains compound (A) and polypropyleneimine (B), which may be alkoxylated, in a weight ratio in the range of 1000 to 1 to 25 to 1.
  • formulation according to the invention is free of phosphates and polyphosphates, wherein hydrogen phosphates are subsumed with, for example, free of trisodium phosphate, pentasodium tripolyphosphate and Hexasatriummetaphosphat.
  • free from in connection with phosphates and polyphosphates in the context of the present invention should be understood to mean that the total content of phosphate and polyphosphate ranges from 10 ppm to 0.2% by weight, determined by gravimetry.
  • formulations according to the invention comprise at least one zinc salt.
  • Zinc salts can be selected from water-soluble and non-water-soluble zinc salts.
  • zinc salt of zinc benzoate, zinc gluconate, zinc lactate, zinc formate, ZnCl 2 , ZnSO 4 , zinc acetate, zinc citrate, Zn (NO 3 ) 2 , Zn (CH 3 SO 3 ) 2 and zinc gallate are preferred ZnCl 2 , ZnSO 4 , zinc acetate, zinc citrate, Zn (NO 3 ) 2 , Zn (CH 3 SO 3 ) 2 and zinc gallate.
  • zinc salt is selected from ZnO, ZnO ⁇ aq, Zn (OH) 2 and ZnCO 3 .
  • ZnO ⁇ aq is preferred.
  • zinc salt is selected from zinc oxides having an average particle diameter (weight average) in the range of 10 nm to 100 ⁇ m.
  • the cation in zinc salt can be complexed, for example, complexed with ammonia ligands or water ligands, and in particular be present hydrated.
  • ligands are usually omitted in the context of the present invention, if they are water ligands.
  • zinc salt can be converted.
  • zinc acetate or ZnCl 2 to prepare the formulation according to the invention, but this converts to ZnO, Zn (OH) 2 or ZnO ⁇ aq at a pH of 8 or 9 in an aqueous environment can not be complexed or complexed.
  • Zinc salt is present in such inventive formulations, which are solid at room temperature, preferably in the form of particles, for example, have a mean diameter (number average) in the range of 10 nm to 100 .mu.m, preferably 100 nm to 5 microns, determined for example by X-ray scattering.
  • Zinc salt is present in such inventive formulations, which are liquid at room temperature, in dissolved or solid or in colloidal form.
  • formulations according to the invention contain in total from 0.05 to 0.4% by weight of zinc salt, based in each case on the solids content of the relevant formulation.
  • the proportion of zinc salt is given as zinc or zinc ions. Thus one can calculate out the portion of the Jacobions.
  • formulations according to the invention are heavy-metal-free, with the exception of zinc compounds.
  • formulations of the invention are free of such heavy metal compounds that do not act as bleach catalysts, in particular of compounds of iron and bismuth.
  • free from is to be understood in connection with heavy metal compounds as meaning that the content of heavy metal compounds which do not act as bleach catalysts is in the range from 0 to 100 ppm, determined by the Leach method and based on the solids content.
  • the formulation according to the invention preferably has a heavy metal content of less than 0.05 ppm, based on the solids content of the relevant formulation. The proportion of zinc is therefore not included.
  • heavy metals are all metals having a specific density of at least 6 g / cm 3 with the exception of zinc.
  • the heavy metals are precious metals and bismuth, iron, copper, lead, tin, nickel, cadmium and chromium.
  • formulation according to the invention contains no measurable proportions of bismuth compounds, that is to say, for example, less than 1 ppm.
  • Formulations of the invention may contain other components which are advantageous, for example, for use in washing dishes and / or kitchen utensils.
  • formulations according to the invention contain no further components, which are advantageous, for example, for use in dishwashing and / or kitchen utensils, but can easily be formulated with further components and are therefore suitable as starting material.
  • formulations according to the invention contain sodium citrate (C).
  • sodium citrate includes the mono- and preferably the disodium salt with.
  • Sodium citrate can be used as anhydrous salt or as a hydrate, for example as a dihydrate.
  • Preferred bleaching agents (D) are selected from sodium perborate, anhydrous or for example as monohydrate or as tetrahydrate or so-called dihydrate, sodium percarbonate, anhydrous or, for example, as monohydrate, and sodium persulfate, where the term "persulfate” respectively the salt of peracid H 2 SO 5 and the peroxodisulfate includes.
  • the alkali metal salts may each also be alkali metal hydrogencarbonate, alkali metal hydrogen perborate and alkali metal hydrogen persulphate. However, preference is given in each case to the dialkali metal salts.
  • formulation according to the invention contains zero to 50% by weight of sodium citrate (C), preferably 1 to 30% by weight, more preferably at least 5% by weight of sodium citrate (C), determined as anhydrous sodium citrate, a total of zero to 15% by weight of bleaching agent (D), preferably at least 0.5% by weight of bleaching agent (D), selected from alkali metal percarbonate, alkali metal perborate and alkali metal persulfate. in each case based on solids content of the relevant formulation.
  • formulation according to the invention is solid at room temperature, for example a powder or a tablet.
  • formulation of the invention is liquid at room temperature.
  • the formulation according to the invention is a granulate, a liquid preparation or a gel.
  • the formulation according to the invention contains from 0.1 to 10% by weight of water, based on the sum of all solids of the relevant formulation.
  • formulation according to the invention may comprise further ingredients (E), for example one or more surfactants, one or more enzymes, one or more builders, in particular phosphorus-free builders, one or more cobuilders, one or more alkali carriers, one or more several bleaches, one or more bleach catalysts, one or more bleach activators, one or more bleach stabilizers, one or more defoamers, one or more corrosion inhibitors, one or more builders, buffers, dyes, one or more perfumes, one or more organic solvents, one or more tabletting aids, one or more disintegrating agents, one or more thickeners, or one or more solubilizing agents ,
  • surfactants for example one or more surfactants, one or more enzymes, one or more builders, in particular phosphorus-free builders, one or more cobuilders, one or more alkali carriers, one or more several bleaches, one or more bleach catalysts, one or more bleach activators, one or more bleach stabilizers, one or more defoamers, one or more corrosion inhibitors,
  • surfactants are, in particular, nonionic surfactants and mixtures of anionic or zwitterionic surfactants with nonionic surfactants.
  • Preferred nonionic surfactants are alkoxylated alcohols and alkoxylated fatty alcohols, di- and multiblock copolymers of ethylene oxide and propylene oxide and reaction products of sorbitan with ethylene oxide or propylene oxide, alkyl glycosides and so-called amine oxides.
  • Compounds of the general formula (I) may be block copolymers or random copolymers, preference being given to block copolymers.
  • these may be block copolymers or random copolymers, preference being given to block copolymers.
  • suitable nonionic surfactants are selected from di- and multiblock copolymers, composed of ethylene oxide and propylene oxide.
  • suitable nonionic surfactants are selected from ethoxylated or propoxylated sorbitan esters.
  • amine oxides or alkyl glycosides are also suitable.
  • anionic surfactants are C 8 -C 20 -alkyl sulfates, C 8 -C 20 -alkyl sulfonates and C 8 -C 20 -alkyl ether sulfates having one to six ethylene oxide units per molecule.
  • formulation of the invention may contain in the range of from 3 to 20% by weight of surfactant.
  • Formulations of the invention may contain one or more enzymes.
  • enzymes are lipases, hydrolases, amylases, proteases, cellulases, esterases, pectinases, lactases and peroxidases.
  • Formulations according to the invention may contain, for example, up to 5% by weight of enzyme, preferably from 0.1 to 3% by weight, in each case based on the total solids content of the formulation according to the invention.
  • Formulations according to the invention may comprise, in addition to sodium citrate (C), one or more builders, in particular phosphate-free builders.
  • suitable builders are silicates, in particular sodium disilicate and sodium metasilicate, zeolites, phyllosilicates, especially those of the formula ⁇ -Na 2 Si 2 O 5 , ⁇ -Na 2 Si 2 O 5 , and ⁇ -Na 2 Si 2 O 5 , furthermore fatty acid sulfonates , ⁇ -hydroxypropionic acid, alkali malonates, fatty acid sulfonates, alkyl and alkenyl disuccinates, tartaric acid diacetate, tartaric acid monoacetate, oxidized starch, and polymeric builders, for example, polycarboxylates and polyaspartic acid.
  • builders of polycarboxylates are selected, for example, alkali metal salts of (meth) acrylic acid homo- or (meth) acrylic acid copolymers.
  • Suitable comonomers are monoethylenically unsaturated dicarboxylic acids such as maleic acid, fumaric acid, maleic anhydride, itaconic acid and citraconic acid.
  • a suitable polymer is in particular polyacrylic acid, which preferably has an average molecular weight M w in the range from 2000 to 40,000 g / mol, preferably 2,000 to 10,000 g / mol, in particular 3,000 to 8,000 g / mol.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid and / or fumaric acid.
  • monomers selected from the group consisting of monoethylenically unsaturated C 3 -C 10 mono- or C 4 -C 10 -dicarboxylic acids or their anhydrides, such as maleic acid, maleic anhydride, acrylic acid, methacrylic acid, fumaric acid, itaconic acid and citraconic with at least one hydrophilic or hydrophobically modified monomers are used as listed below.
  • Suitable hydrophobic monomers are, for example, isobutene, diisobutene, butene, pentene, hexene and styrene, olefins having 10 or more carbon atoms or mixtures thereof, for example 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-hexadecene and 1-octadecene.
  • Suitable hydrophilic monomers are monomers having sulfonate or phosphonate groups, as well as nonionic monomers having hydroxy functionality or alkylene oxide groups. Examples which may be mentioned are: allyl alcohol, isoprenol, methoxypolyethylene glycol (meth) acrylate, methoxypolypropylene glycol (meth) acrylate, methoxypolybutylene glycol (meth) acrylate, methoxypoly (propylene oxide-co-ethylene oxide) (meth) acrylate, ethoxypolyethylene glycol (meth) acrylate, ethoxypolypropylene glycol (meth) acrylate , Ethoxypolybutylene glycol (meth) acrylate and ethoxypoly (propylene oxide-co-ethylene oxide) (meth) acrylate.
  • Polyalkylene glycols may contain 3 to 50, in particular 5 to 40 and especially 10 to 30 alkylene oxide units per molecule.
  • Particularly preferred sulfonic acid-containing monomers are 1-acrylamido-1-propanesulfonic acid, 2-acrylamido-2-propanesulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid, 2-methacrylamido-2-methylpropanesulfonic 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, 2-sulfoethyl methacrylate, 3-sulfopropyl methacrylate , Sulfomethacrylamide, sulfomethylmethacrylamide and salt
  • Particularly preferred phosphonate group-containing monomers are vinylphosphonic acid and its salts.
  • amphoteric polymers can also be used as builders.
  • Formulations according to the invention may contain, for example, in the range from 10 to 50% by weight, preferably up to 20% by weight, of builder.
  • formulations according to the invention may contain one or more co-builders.
  • co-builders are phosphonates, for example hydroxyalkane phosphonates and aminoalkane phosphonates.
  • hydroxyalkane phosphonates 1-hydroxyethane-1,1-diphosphonate (HEDP) is of particular importance as a co-builder.
  • HEDP 1-hydroxyethane-1,1-diphosphonate
  • Preferred aminoalkanephosphonates are ethylenediaminetetra-methylenephosphonate (EDTMP), diethylenetriaminepentamethylenephosphonate (DTPMP) and their higher homologs. They are preferably in the form of the neutral reacting sodium salts, e.g. as hexasodium salt of EDTMP or as hepta- and octa-sodium salt of DTPMP used.
  • Formulations of the invention may contain one or more alkali carriers.
  • Alkaline carriers for example, provide the pH of at least 9 when an alkaline pH is desired.
  • Suitable examples are alkali metal carbonates, alkali metal hydrogencarbonates, alkali metal hydroxides and alkali metal metasilicates.
  • Preferred alkali metal is in each case potassium, particularly preferred is sodium.
  • Formulations according to the invention may contain, in addition to bleaching agent (D), one or more chlorine-containing bleaching agents.
  • Suitable chlorine-containing bleaching agents are, for example, 1,3-dichloro-5,5-dimethylhydantoin, N-chlorosulfamide, chloramine T, chloramine B, sodium hypochlorite, calcium hypochlorite, magnesium hypochlorite, potassium hypochlorite, potassium dichloroisocyanurate and sodium dichloroisocyanurate.
  • formulations according to the invention may contain in the range of from 3 to 10% by weight of chlorine-containing bleach.
  • Formulations of the invention may contain one or more bleach catalysts.
  • Bleach catalysts can be selected from bleach-enhancing transition metal salts or transition metal complexes such as manganese, iron, cobalt, ruthenium or molybdenum-salene complexes or carbonyl complexes.
  • Manganese, iron, cobalt, ruthenium, molybdenum, titanium, vanadium and copper complexes with nitrogen-containing tripod ligands and cobalt, iron, copper and ruthenium-amine complexes can also be used as bleach catalysts.
  • Formulations according to the invention may contain one or more bleach activators, for example N-methylmorpholinium acetonitrile salts ("MMA salts”), trimethylammonium acetonitrile salts, N-acylimides such as N-nonanoylsuccinimide, 1,5-diacetyl-2,2-dioxo-hexahydroxy 1,3,5-triazine (“DADHT”) or nitrile quats (trimethylammonium acetonitrile salts).
  • MMA salts N-methylmorpholinium acetonitrile salts
  • DADHT 1,5-diacetyl-2,2-dioxo-hexahydroxy 1,3,5-triazine
  • nitrile quats trimethylammonium acetonitrile salts
  • TAED tetraacetylethylenediamine
  • TAED tetraacetylhexylenediamine
  • Formulations of the invention may contain one or more corrosion inhibitors.
  • corrosion inhibitors such compounds that inhibit the corrosion of metal.
  • suitable corrosion inhibitors are triazoles, in particular benzotriazoles, bisbenzotriazoles, aminotriazoles, alkylaminotriazoles, furthermore phenol derivatives such as, for example, hydroquinone, catechol, hydroxyhydroquinone, gallic acid, phloroglucinol or pyrogallol.
  • formulations according to the invention contain a total of in the range of 0.1 to 1.5 wt .-% corrosion inhibitor.
  • Formulations of the invention may contain one or more builders, for example, sodium sulfate.
  • Formulations of the invention may contain one or more defoamers selected, for example, from silicone oils and paraffin oils.
  • formulations according to the invention contain in total in the range from 0.05 to 0.5% by weight defoamer.
  • Formulations according to the invention may contain phosphonic acid or one or more phosphonic acid derivatives, for example hydroxyethane-1,1-diphosphonic acid.
  • Another object of the present invention is the use of formulations according to the invention for the automatic cleaning of dishes and kitchen utensils.
  • kitchen utensils in the context of the present invention, for example, pots, pans, casseroles to call, and metal objects such as, for example, skimmers, roasters and garlic presses.
  • a surface of glass is to be understood as meaning that the object in question has at least one piece of glass which comes into contact with the ambient air and can be contaminated when the object is used.
  • the objects in question may be those which are essentially glassware such as drinking glasses or glass bowls. But it can also be, for example, cover that have individual components of a different material, such as pot lid with edging and metal handle.
  • Glass surface may be decorated, for example colored or printed, or not decorated.
  • glass includes any glass, for example lead glass and in particular soda lime glass, crystal glass and borosilicate glasses.
  • Machine cleaning is preferably dishwashing with a dishwasher (English: automatic dishwashing).
  • At least one formulation according to the invention for automated cleaning of drinking glasses, glass vases and glass jars is used for cooking.
  • water having a hardness in the range from 1 to 30 ° dH, preferably from 2 to 25 ° dH, is used for cleaning, German hardness being taken to mean in particular the calcium hardness.
  • rinsing water with a hardness in the range of 1 to 30 ° dH preferably 2 to 25 ° dH can be used.
  • machine-cleaning formulations according to the invention are used, even with repeated mechanical cleaning of objects which have at least one surface made of glass, there is very little tendency for glass corrosion, even if objects comprising at least one surface made of glass are used have, along with heavily soiled cutlery or dishes cleans. In addition, it is much less harmful to use the formulation of the invention to form glass together with articles made of metal, for example, together with pots, pans or garlic presses.
  • formulations according to the invention have a very good bleaching action when used for rinsing dishes and kitchen utensils and glass surfaces.
  • Compound (A), modified polypropyleneimine (B) and bleaching agent (D) are defined above.
  • one or more surfactants for formulation according to the invention, for example with one or more surfactants, one or more enzymes, one or more builders, one or more builders a plurality of co-builders, in particular phosphorus-free builders, one or more alkali carriers, one or more bleaches, one or more bleach catalysts, one or more bleach activators, one or more bleach stabilizers, one or more defoamers, one or more corrosion inhibitors, one or more builders Buffer or dye.
  • one or more surfactants for
  • the water is completely or partially removed, for example, to a residual moisture in the range from 0.1 to 10% by weight of the formulation according to the invention by evaporation, in particular by spray drying, spray granulation or compaction ,
  • the water is removed, in whole or in part, at a pressure in the range of 0.3 to 2 bar.
  • the water is removed, in whole or in part, at temperatures in the range of 60 to 220 ° C.
  • the cleaning formulations according to the invention can be provided in liquid or solid form, single- or multiphase, as tablets or in the form of other dosage units, packaged or unpackaged.
  • the water content of liquid formulations can vary from 35 to 90% water.
  • modified polypropyleneimines (B) prepared by alkoxylation of polypropyleneimine, which is prepared by transamination of propanediamine and optionally up to 40 mol% of at least one other aliphatic diamine. Preparation and properties of modified polypropyleneimines (B) according to the invention are described above.
  • Data in% are wt .-%, unless expressly stated otherwise. Data in ° dH always relate to the permanent hardness.
  • 1,3-PDA 1,3-propanediamine
  • 1,3-PDA 1,3-propanediamine
  • a tubular reactor with an internal diameter of 27 mm was used to continuously pass 1,3-PDA, together with 10 standard liters / h of hydrogen, through a fixed-bed cobalt catalyst.
  • the total pressure was 50 bar, the temperature 170 ° C.
  • the intake of 1,3-PDA was 0.8 kg / L cat ⁇ h.
  • a crude product was obtained. Unreacted 1,3-PDA and the corresponding dimer and trimer were distilled off from the crude product, giving L-PPI.4 as a colorless liquid.
  • a tubular reactor with an internal diameter of 27 mm was used to continuously pass 1,3-PDA, together with 10 standard liters / h of hydrogen, through a fixed-bed cobalt catalyst.
  • the total pressure was 50 bar, the temperature 160 ° C.
  • the intake of 1,3-PDA was 0.8 kg / L cat ⁇ h.
  • a crude product was obtained. Unreacted 1,3-PDA and the corresponding dimer and trimer were distilled from the crude product to give L-PPI.5 as a colorless liquid.
  • a tubular reactor with an internal diameter of 27 mm was used to continuously pass 1,3-PDA, together with 10 standard liters / h of hydrogen, through a fixed-bed cobalt catalyst.
  • the total pressure was 50 bar, the temperature 160 ° C.
  • the supply of 1,3-PDA was 0.6 kg / L ca ⁇ h.
  • a crude product was obtained which, according to gas chromatography, had 7% by weight of unreacted 1,3-PDA. Distilled 1,3-PDA and the corresponding dimer and trimer and received L-PPI.6 as a colorless liquid.
  • M n 302 g / mol
  • M w 533 g / mol: M w / M n of 1.8.
  • Base mixtures were prepared from the starting materials according to Table 2. The starting materials were mixed dry.
  • Table 2 Basic mixtures for experiments with formulations according to the invention and comparative formulations Base 1 Base 2 Base 3 protease 2.5 2.5 2.5 amylase 1 1 1 nC 18 H 37 (OCH 2 CH 2 ) 9 OH 5 5 5 5 Polyacrylic acid M w 4,000 g / mol, as sodium salt, completely neutralized 10 10 10 Sodium percarbonate (D.1) 10.5 10.5 10.5 TAED 4 4 4 Na 2 Si 2 O 5 2 2 2 Na 2 CO 3 19.5 19.5 19.5 Sodium Citrate Dihydrate (C.1) 5 22.5 30 All information in g. (C.1) is determined as anhydrous sodium citrate.
  • Polypropyleneimines (B) and modified polypropyleneimines (B) according to Table 3 were used.
  • Table 3 Modified polypropyleneimines abbreviation M n (g / mol) Alkoxylation of the relevant polypropyleneimine with L-PPI.1 872 --- L-PPI.4 525 --- (B.1) 1603 Ethylene oxide (1 EO / NH) (B.7) 3500 Ethylene oxide (4 EO / NH) (B.8) 5200 Ethylene oxide (7 EO / NH) M-PPI.4-1 1510 Ethylene oxide (1 EO / NH) M-PPI.4-2 3330 Ethylene oxide (4 EO / NH) M-PPI.4-3 5100 Ethylene oxide (7 EO / NH)
  • Dishwasher Miele G 1222 SCL Program: 65 ° C (with pre-rinse) ware: 3 champagne glasses “GILDE”, 3 shot glasses, "INTERMEZZO"
  • the glasses were placed in the upper dish rack of the dishwasher.
  • the dishwashing agent used was in each case 25 g of formulation according to the invention or 25 g of comparison formulation according to Table 4, wherein Table 4 individually specifies the active components (A.1), base mixture and (B) of formulation according to the invention.
  • Rinsing was carried out at a rinse temperature of 55 ° C.
  • the water hardness was in each case in the range of zero to 2 ° dH.
  • the evaluation was carried out gravimetrically and visually after 100 rinsing cycles.
  • the weight of the glasses was determined before the beginning of the first rinse cycle and after drying after the last rinse cycle.
  • the weight loss is the difference between the two values.
  • the specimens were rinsed in a domestic dishwasher (Bosch SGS5602) with 1 g of surfactant (nC 18 H 37 (OCH 2 CH 2 ) 10 OH) and 20 g of citric acid to remove any impurities.
  • the test pieces were dried, their weight determined and fixed on the grid floor insert.
  • the dry specimens were weighed. Subsequently, the visual assessment of the test specimens was carried out. In this case, the surface of the test specimen was evaluated for line corrosion (glass scoring) and haze corrosion (areal haze).
  • Interim scores (e.g., L3-4) were also allowed on the match.
  • formulations according to the invention were also always superior to the corresponding comparative formulations in terms of the inhibition of glass corrosion.
  • Table 4 Results of tests with dishwasher (endurance runner) Example no.
  • Base mixture [g] (A.1) [g] (B) [mg] Weight loss champagne glass [mg] Weight loss shot glass [mg] Visual rating champagne glass Visual rating shot glass V-1
  • Base 3:17 3 12 (B.1) 15 13 L3-4, T4 L4, T4 7 Base 2:17 3 24 (B.1) 14 12 L3-4, T4-5 L4, T4-5

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Claims (15)

  1. Formulation contenant
    (A) au moins un aminocarboxylate, choisi parmi le diacétate de méthylglycine (MGDA), l'acide iminodisuccinique (IDS) et le diacétate de l'acide glutamique (GLDA), ainsi que leurs sels,
    (B) au moins une polypropylène-imine, qui peut être alcoxylée.
  2. Formulation selon la revendication 1, caractérisée en ce qu'elle est exempte de phosphates et de polyphosphates.
  3. Formulation selon la revendication 1 ou 2, caractérisée en ce que la polypropylène-imine (B) est choisie parmi les polypropylène-imines qui ont réagi avec de l'oxyde d'éthylène ou de l'oxyde de propylène.
  4. Formulation selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'elle contient au moins un sel de zinc.
  5. Formulation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la polypropylène-imine (B) est choisie parmi les polypropylène-imines linéaires qui peuvent être alcoxylées.
  6. Formulation selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'elle présente, à part le zinc, une teneur en métaux lourds inférieure à 0,05 ppm, par rapport à la teneur en solides de la formulation en question.
  7. Formulation selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'elle contient dans la plage allant de 0,1 à 10 % en poids d'eau.
  8. Formulation selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le rapport molaire entre les atomes d'azote et les groupes oxyde d'alkylène dans la polypropylène-imine alcoxylée (B) est dans la plage allant de 1:1 à 1:15.
  9. Formulation selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle contient :
    au total dans la plage allant de 1 à 50 % en poids d'aminocarboxylate (A),
    au total dans la plage allant de 0,001 à 2 % en poids de polypropylène-imine éventuellement alcoxylée (B),
    à chaque fois par rapport à la teneur en solides de la formulation en question.
  10. Utilisation de formulations selon l'une quelconque des revendications 1 à 9 pour le lavage de vaisselle et d'ustensiles de cuisine, le lavage étant effectué avec une eau d'une dureté de 2 à 25° dH.
  11. Utilisation de formulations selon l'une quelconque des revendications 1 à 9 pour le lavage d'articles qui comprennent au moins une surface en verre, qui peut être décorée ou non décorée.
  12. Utilisation selon la revendication 10 ou 11, caractérisée en ce que le lavage est un lavage avec une machine à laver.
  13. Utilisation selon l'une quelconque des revendications 10 à 12, caractérisée en ce qu'au moins une formulation selon l'une quelconque des revendications 1 à 8 est utilisée pour le lavage de verres, de vases en verre et de récipients en verre pour la cuisine.
  14. Procédé de fabrication de formulations selon l'une quelconque des revendications 1 à 9, caractérisé en ce que
    (A) un aminocarboxylate, choisi parmi le diacétate de méthylglycine (MGDA), l'acide iminodisuccinique (IDS) et le diacétate de l'acide glutamique (GLDA), ainsi que leurs sels, et
    (B) au moins une polypropylène-imine, qui peut être alcoxylée,
    et éventuellement d'autres composants sont mélangés les uns avec les autres en une ou plusieurs étapes en présence d'eau, puis l'eau est éliminée en totalité ou en partie.
  15. Procédé selon la revendication 14, caractérisé en ce que l'eau est éliminée par séchage par pulvérisation ou granulation par pulvérisation.
EP14702846.8A 2013-02-28 2014-02-04 Formules, leur utilisation comme détergent pour lave-vaisselle ou destinées à sa fabrication, ainsi que leur fabrication Active EP2961822B1 (fr)

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EP14702846.8A EP2961822B1 (fr) 2013-02-28 2014-02-04 Formules, leur utilisation comme détergent pour lave-vaisselle ou destinées à sa fabrication, ainsi que leur fabrication

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13157192 2013-02-28
PCT/EP2014/052174 WO2014131585A1 (fr) 2013-02-28 2014-02-04 Formulations, utilisation desdites formulations en tant que liquides vaisselle ou entrant dans la fabrication des liquides vaisselle et préparation desdites formulations
EP14702846.8A EP2961822B1 (fr) 2013-02-28 2014-02-04 Formules, leur utilisation comme détergent pour lave-vaisselle ou destinées à sa fabrication, ainsi que leur fabrication

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WO2023117494A1 (fr) * 2021-12-20 2023-06-29 Basf Se Polymères de polypropylène imine (ppi), leur préparation, leurs utilisations et compositions comprenant de tels ppi

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ES2632465T3 (es) 2017-09-13
WO2014131585A1 (fr) 2014-09-04
US10301576B2 (en) 2019-05-28
EP2961822A1 (fr) 2016-01-06
US20150361379A1 (en) 2015-12-17

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