EP2768936B1 - Formulierungen, ihre verwendung als oder zur herstellung von geschirrspülmitteln und ihre herstellung - Google Patents

Formulierungen, ihre verwendung als oder zur herstellung von geschirrspülmitteln und ihre herstellung Download PDF

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Publication number
EP2768936B1
EP2768936B1 EP12770153.0A EP12770153A EP2768936B1 EP 2768936 B1 EP2768936 B1 EP 2768936B1 EP 12770153 A EP12770153 A EP 12770153A EP 2768936 B1 EP2768936 B1 EP 2768936B1
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EP
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Prior art keywords
bismuth
acid
formulations
range
ethyleneimine
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German (de)
English (en)
French (fr)
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EP2768936A1 (de
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Stephan Hüffer
Markus Hartmann
Sonja Fischer
Stefan Fassbender
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BASF SE
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BASF SE
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—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
    • C11D3/0005—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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/1213—Oxides or hydroxides, e.g. Al2O3, TiO2, CaO or Ca(OH)2
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2096—Heterocyclic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/34—Organic compounds containing sulfur
    • C11D3/3409—Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • 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

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 detergents, in particular dishwashing detergents for machine 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, in many cases one can 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.
  • 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. Zinc and bismuth-containing dishwashing detergents are 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.
  • (A) in total in the range of 1 to 50% by weight of at least one compound selected from aminocarboxylates and polyaminocarboxylates in the context of the present invention also briefly aminocarboxylate (A) or polyarrminocarboxylate (A) or compound (A) called, and their derivatives and preferably salts.
  • Compound (A) may be in the form of a free acid or preferably in partially or completely neutralized form, ie as a salt.
  • counterions for example inorganic cations, such as ammonium, alkali or alkaline earth metal are suitable, preferably Mg 2+, more preferably Na +, K +, or organic cations, preferably substituted with one or more organic radicals 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.
  • compound (A) is selected from derivatives of aminocarboxylates and polyaminocarboxylates, for example methyl or ethyl esters.
  • aminocarboxylates (A) are understood as meaning nitrilotriacetic acid and those organic compounds which have a tertiary amino group which has one or two CH 2 -COOH groups which, as mentioned above, can be partially or completely neutralized or can.
  • polyaminocarboxylates (A) are understood as meaning those organic compounds which have at least two tertiary amino groups which independently of one another have one or two CH 2 -COOH groups which, as mentioned above, can be partially or completely neutralized or can.
  • aminocarboxylates (A) are selected from those organic compounds having a secondary amino group having one or two CH (COOH) CH 2 -COOH group (s) partially as mentioned above or can be completely neutralized.
  • polyaminocarboxylates (A) are selected from those organic compounds having at least two secondary amino groups each containing a CH (COOH) CH 2 -COOH group which, as mentioned above, partially or completely neutralizes could be.
  • Preferred polyaminocarboxylates (A) are selected from 1,2-diaminoethanetetraacetic acid, iminodisuccinate (IDS), diethylenetriamine pentaacetate (DTPA), hydroxyethylenediaminetriacetate (HEDTA), and their respective salts, most preferably the alkali metal salts, especially the sodium salts.
  • Preferred aminocarboxylates (A) and polyaminocarboxylates (A) are nitrilotriacetic acid and those organic compounds having an amino acid-based structure whose amino group (s) have one or two CH 2 -COOH groups and are tertiary amino groups. It is possible to select amino acids from L-amino acids, R-amino acids and mixtures of enantiomers of amino acids, for example the racemates.
  • compound (A) is selected from methylglycine diacetate (MGDA), nitrilotriacetic acid and glutamic acid diacetate and their derivatives and preferably their salts, in particular their sodium salts. Very particular preference is given to methylglycine diacetate and to the trisodium salt of MGDA.
  • formulations according to the invention contain in the range from 0.05 to 0.4% by weight of at least one salt of bismuth (B).
  • Salts of bismuth (B) can be selected from water-soluble and non-water-soluble salts of bismuth.
  • such salts of bismuth (B) are said to be insoluble in water and are distilled in water Water at 25 ° C have a solubility of 0.1 g / l or less.
  • Salts of bismuth (B) which have a higher water solubility, are accordingly referred to in the context of the present invention as water-soluble salts of bismuth.
  • bismuth (B) salt is selected from bismuth acetate, bismuth nitrate, bismuth sulfate, bismuth tri-formate ("bismuth formate"), bismuth gallate and bismuth trismethanesulfonate, preferably bismuth gallate and bismuth trismethanesulfonate.
  • salt of bismuth (B) is selected from Bi 2 O 3 , Bi 2 O 3 ⁇ aq, BiO (OH). Preference is given to BiO (OH).
  • salt of bismuth (B) is selected from bismuth oxides having an average particle diameter (weight average) in the range of 10 nm to 100 ⁇ m.
  • the cation in salt of bismuth (B) can be complexed, for example, complexed with ammonia ligands or with water ligands, and in particular be present hydrated.
  • ligands are usually omitted in the context of the present invention, if they are water ligands.
  • salt of bismuth (B) can be converted. It is thus possible, for example, to use bismuth acetate or BiCl 3 for the preparation of the formulation according to the invention, but at a pH of 8 or 9 in an aqueous environment to form BiO (CH 3 COO) or BiOCl, BiO (OH) or Bi 2 O 3 ⁇ aq converts, which may be present in uncomplexed or complexed form.
  • Salt of bismuth (B) is present in such formulations according to the invention which are solid at room temperature, preferably in the form of particles, for example having a mean diameter (number average) in the range of 10 nm to 100 ⁇ m, preferably 100 nm to 5 ⁇ m, determined, for example, by X-ray scattering.
  • Salt of bismuth (B) is present in such formulations according to the invention, which are liquid at room temperature, in dissolved or in solid or in colloidal form.
  • Formulation according to the invention furthermore contains (C) in the range from 0.05 to 2% by weight in total of at least one copolymer or preferably a homopolymer of ethyleneimine, together referred to in short as polyethyleneimine (C).
  • copolymers of ethyleneimine also include copolymers of ethyleneimine (aziridine) with one or more higher homologues of ethyleneimine, such as propyleneimine (2-methylaziridine), 1- or 2-butylenimine (2-ethylaziridine or Dimethylaziridine), for example, with 0.01 to 75 mol% of one or more Homologs of ethyleneimine, based on the proportion of ethyleneimine.
  • ethyleneimine ethyleneimine
  • aziridine ethyleneimine
  • 2-butylenimine 2-ethylaziridine or Dimethylaziridine
  • copolymers of ethyleneimine (C) are selected from graft copolymers of ethyleneimine (C). Such graft copolymers are in
  • ethyleneimine graft copolymers (C) are selected from those polymers obtainable by grafting polyamidoamines with ethyleneimine.
  • ethyleneimine graft copolymers (C) are composed of 10 to 90% by weight of polyamidoamine as grafting base and 90 to 10% by weight of ethyleneimine as grafting support, each based on ethyleneimine graft copolymer (C).
  • Polyamidoamines are obtainable for example by condensation of polyalkylenepolyamines in pure form, as a mixture with one another or in a mixture with diamines.
  • polyalkylenepolyamines are understood as meaning compounds which contain at least 3 basic nitrogen atoms in the molecule, for example diethylenetriamine, dipropylenetriamine, triethylenetetramine, tripropylenetetramine, tetraethylenepentamine, pentaethylenehexamine, N- (2-aminoethyl) -1,3-propanediamine and N , N'-bis (3-aminopropyl) ethylenediamine.
  • diamines examples include 1,2-diaminoethane, 1,3-diaminopropane, 1,4-diaminobutane, 1,6-diaminohexane, 1,8-diaminooctane, isophoronediamine, 4,4'-diaminodiphenylmethane, 1,4-bis ( 3-aminopropyl) piperazine, 4,9-dioxadodecane-1,12-diamine, 4,7,10-trioxatridecane-1,13-diamine and ⁇ , ⁇ -diamino compounds of polyalkylene oxides.
  • ethyleneimine graft copolymers (C) are selected from those polymers which can be prepared by grafting polyvinylamines as a grafting base with ethyleneimine or oligomers of ethyleneimine, for example dimerren or trimers of ethyleneimine.
  • ethyleneimine graft copolymers (C) are composed of 10 to 90% by weight of polyvinylamine as grafting base and 90 to 10% by weight of ethyleneimine as grafting support, in each case based on ethyleneimine graft copolymer (C).
  • At least one polyethyleneimine (C) in the form of a homopolymer, preferably uncrosslinked, is chosen as the component of the formulation according to the invention.
  • polyethyleneimine (C) has an average molecular weight M n of from 500 g / mol to 125,000 g / mol, preferably from 750 g / mol to 100,000 g / mol.
  • polyethyleneimine (C) has an average molecular weight M w in the range of 500 to 1,000,000 g / mol, preferably in the range of 600 to 75,000 g / mol, particularly preferably in the range of 800 to 25,000 g / mol, determinable for example by gel permeation chromatography (GPC).
  • GPC gel permeation chromatography
  • polyethyleneimines (C) are selected from highly branched polyethyleneimines. Highly branched polyethyleneimines (C) are characterized by their
  • polyethyleneimines (C) are selected from highly branched polyethyleneimines.
  • Highly branched polyethylenimines (C) are characterized by their high degree of branching (DB).
  • Polyethyleneimines (C) having DB in the range from 0.1 to 0.95, preferably 0.25 to 0.90 and more preferably in the range from 0.30 to 0.80%, are considered highly branched polyethylenimines (C) within the scope of the present invention. and most preferably at least 0.5.
  • polyethylene dendrimers (C) which are dendritic polyethylenimines (C) are understood as meaning polyethylenimines (C) having a structurally and molecularly uniform structure.
  • polyethylenimine (C) is highly branched polyethyleneimines (homopolymers) having an average molecular weight M w in the range from 600 to 75,000 g / mol, preferably in the range from 800 to 25,000 g / mol.
  • polyethylenimine (C) is highly branched polyethyleneimines (homopolymers) having an average molecular weight M n of from 500 g / mol to 125,000 g / mol, preferably from 750 g / mol to 100,000 g / mol is selected from dendrimers.
  • compound (A) in total in the range from 1 to 50% by weight of compound (A), preferably from 10 to 25% by weight, in total in the range from 0.05 to 0.4% by weight of bismuth (B) salt, preferably 0, 1 to 0.2 wt .-%, and a total of from 0.05 to 2% by weight of homopolymer or copolymer of ethyleneimine (C), preferably from 0.1 to 0.5% by weight, in each case based on solids content of the relevant formulation.
  • B bismuth
  • C homopolymer or copolymer of ethyleneimine
  • the proportion of salt of bismuth is given as bismuth or bismuth ions.
  • the formulation according to the invention is a granulate, a liquid preparation or a gel.
  • salts of bismuth (B) may be present in formulations of the invention complexed by polyethylenimine (C).
  • 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 is free of phosphates and polyphosphates, wherein hydrogen phosphates are subsumed, for example, free of trisodium phosphate, pentasodium tripolyphosphate and hexasodium metaphosphate.
  • 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.
  • the formulation of the present invention is free of those heavy metal compounds which do not function as bleach catalysts, especially compounds of iron and zinc.
  • "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, preferably from 1 to 30 ppm, determined according to Leach method.
  • heavy metals are all metals having a specific density of at least 6 g / cm 3 , but not bismuth.
  • the heavy metals are precious metals and zinc, iron, copper, lead, tin, nickel, cadmium and chromium.
  • formulation of the invention contains no measurable levels of zinc compounds, that is, for example, less than 1 ppm.
  • formulation according to the invention may comprise further ingredients (D), 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 a plurality of bleaching agents, 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 several tableting aids, one or more disintegrating agents, one or more thickeners, or one or more solubilizing agents.
  • D further ingredients
  • 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 contain one or more builders, in particular phosphate-free builders.
  • suitable builders are silicates, in particular sodium disilicate and sodium metasilicate, zeolites, sheet silicates, 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 citric acid and their alkali metal salts, succinic acid and its alkali metal salts, 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 such as 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 function 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 salts of
  • Particularly preferred phosphonate group-containing monomers are the 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 of 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 of the invention may contain one or more bleaches, for example, one or more oxygen bleaches, or one or more chlorine-containing bleaches.
  • oxygen bleaching agents are sodium perborate, anhydrous or, for example, monohydrate or tetrahydrate or so-called dihydrate, sodium percarbonate, anhydrous or, for example, monohydrate, hydrogen peroxide, persulfates, organic peracids such as peroxylauric acid, peroxystearic acid, peroxy- ⁇ -naphthoic acid, 1,12-diperoxydodecanedioic acid , Perbenzoic acid, peroxylauric acid, 1,9-diperoxyazelaic acid, diperoxyisophthalic acid, in each case as the free acid or as the alkali metal salt, in particular as the sodium salt, furthermore sulfonyl peroxyacids and cationic peroxyacids.
  • formulations according to the invention may contain in the range of 0.5 to 15% by weight of oxygen bleach.
  • Suitable chlorine-containing bleaching agents are, for example, 1,3-dichloro-5,5-dimethylhydantoin, N-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 manganese, iron, cobalt, ruthenium or molybdenum 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 of the invention may contain one or more bleach activators, for example N-methylmorpholinium acetonitrile salts ("MMA salts”), trimethyl ammonium acetonitrile salts, N-acylimides such as N-nonanoyl succinimide, "1,5-diacetyl-2,2-dioxohexahydro-1,3 , 5-triazine (“DADHT”) or nitrile quats (trimethylammonium acetonitrile salts).
  • MMA salts N-methylmorpholinium acetonitrile salts
  • DADHT 5-triazine
  • nitrile quats trimethylammonium acetonitrile salts
  • bleach activators are tetraacetylethylenediamine and 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 one or more acids, for example methanesulfonic acid.
  • formulations according to the invention have a pH in the range from 5 to 14, preferably 8 to 13.
  • 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.
  • formulations according to the invention for machine cleaning, it is observed even with repeated mechanical cleaning of objects which have at least one surface made of glass, only very slight tendency to glass corrosion, and even when you clean objects that have at least one surface of glass together with heavily soiled cutlery or dishes. In addition, it is much less harmful to use the formulation of the present invention to clean glass together with metal objects, such as pots, pans or garlic presses.
  • Compound (A), salt of bismuth (B) and polyethyleneimine (C) 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, in particular phosphorus free builder, one or more co-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.
  • the water is removed completely or partially, for example to a residual moisture in the range from zero to 5% by weight, from 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.
  • % and ppm always denote wt .-% and wt ppm, if not expressly stated otherwise, and in the case of formulations according to the invention based on the total solids content.
  • Base mixtures were prepared containing the feedstocks according to Table 1.
  • Table 1 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
  • Polyacrylic acid M w 4,000 g / mol as sodium salt, completely neutralized 10 10 10 sodium 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 0 22.5 30 HEDP 0.5 0.5 0.5 All quantities in g.
  • test specimens were each a champagne glass and a shot glass from the company Libbey (NL), a, material: soda-lime glasses.
  • test pieces were rinsed in a domestic dishwasher (Bosch SGS5602) with 1 g of surfactant (nC 18 H 37 (OCH 2 CH 2 ) 10 OH) and 1 g of citric acid to remove any impurities.
  • the test pieces were dried, their weight determined and fixed on the grid floor insert.
  • the stainless steel pot was filled with 5.5 liters of water and added 25 g of the corresponding formulation according to the invention according to Table 3, where Table 3 shows the active components (A.1), optionally (B), optionally (C) and base mixture of formulation according to the invention or Comparison formulation individually specified.
  • the resulting cleaner liquor was stirred by means of the magnetic stirrer at 550 revolutions per minute. They installed the contact thermometer and covered the stainless steel pot with the lid, so that no water could evaporate during the experiment. It was heated to 75 ° C and put the grid bottom insert with the two specimens in the stainless steel pot, taking care that the specimens were completely immersed in the liquid.
  • test pieces were taken out and rinsed under running distilled water. Thereafter, the test pieces were rinsed in the domestic dishwasher with a formulation consisting of 1 g of surfactant (nC 18 H 37 (OCH 2 CH 2 ) 10 OH) and 20 g of citric acid again with the 55 ° C program to remove any deposits ,
  • the dry specimens were weighed. This was followed by the visual assessment of the test specimens. Here one judged the surface use with the two specimens in the stainless steel pot, taking care that the specimens were completely immersed in the liquid.
  • test pieces were taken out and rinsed under running distilled water. Thereafter, the test pieces were rinsed in the domestic dishwasher with a formulation consisting of 1 g of surfactant (nC 18 H 37 (OCH 2 CH 2 ) 10 OH) and 20 g of citric acid again with the 55 ° C program to remove any deposits ,
  • the dry specimens were weighed. This was followed by the visual assessment of the test specimens. The surface of the test specimens 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 2 Immersion tests example Base mixture: [g] (A.1) [g] (B) [mg] (C) [mg] Weight loss champagne glass [mg] Weight loss shot glass [mg] Visual rating champagne glass Visual rating schnapps glass V-1 Base 2: 19.37 5.63 --- 210 112 L1-2, T2 L1-2, T2 V-2 Base 2: 19.37 5.63 20 (B.1) --- 170 95 L2, T2 L1-2, T2 3 Base 2: 19.37 5.63 20 (B.1) 30 (C.1) 113 62 L2-3, T2-3 L2-3, T2-3 V-4 Base 2: 19.37 5.63 20 (B.2) --- 163 90 L2, T2 L2, T2 5 Base 2: 19.37 5.63 20 (B.2) 30 (C.1) 109 57 L2-3, T2-3 L2, T2-3 V-6 Base 2: 19.37 5.63 20 (B.3) --- 158 84 L2, T2 L2, T2 7 Base 2: 19.37 5.63 20 (B.3) --- 158

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US9732309B2 (en) * 2012-04-25 2017-08-15 Basf Se Formulations, their use as or for producing dishwashing detergents and their production
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KR101925274B1 (ko) * 2013-04-02 2018-12-05 바스프 에스이 제형, 식기세정 세제로서의 또는 식기세정 세제의 생산을 위한 그의 용도 및 그의 제조
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US9850453B2 (en) 2013-05-27 2017-12-26 Basf Se Aqueous solutions containing a complexing agent in high concentration
JP2015086295A (ja) * 2013-10-30 2015-05-07 花王株式会社 食器用洗浄剤組成物
JP6468738B2 (ja) * 2014-06-26 2019-02-13 ライオン株式会社 液体洗浄剤
ES2690336T3 (es) 2014-11-26 2018-11-20 The Procter & Gamble Company Bolsa limpiadora
RU2017130939A (ru) * 2015-02-03 2019-03-04 Басф Се Водные составы, их изготовление и применение
WO2019098377A1 (ja) 2017-11-20 2019-05-23 富士通化成株式会社 複合伝熱部材、及び複合伝熱部材の製造方法
JP2021515057A (ja) 2018-02-23 2021-06-17 ユニリーバー・ナームローゼ・ベンノートシヤープ アミノポリカルボキシレートと無機酸とを含む洗剤固体組成物
CN111744546B (zh) * 2020-07-15 2022-09-20 陕西延长石油（集团）有限责任公司 一种液相法乙醇制备n-乙基乙二胺的铜-铋-钛三金属氧化物催化剂及其制备方法与应用

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ES2626819T3 (es) 2017-07-26
MX2014004579A (es) 2014-06-23
BR112014009190A2 (pt) 2017-06-13
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