EP0874890B1 - Waschmittel mit bestimmten oxidierten oligosacchariden - Google Patents

Waschmittel mit bestimmten oxidierten oligosacchariden Download PDF

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Publication number
EP0874890B1
EP0874890B1 EP96944014A EP96944014A EP0874890B1 EP 0874890 B1 EP0874890 B1 EP 0874890B1 EP 96944014 A EP96944014 A EP 96944014A EP 96944014 A EP96944014 A EP 96944014A EP 0874890 B1 EP0874890 B1 EP 0874890B1
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EP
European Patent Office
Prior art keywords
weight
acid
detergent
builder
oligomerization
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Expired - Lifetime
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EP96944014A
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German (de)
English (en)
French (fr)
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EP0874890A1 (de
Inventor
Beatrix Kottwitz
Jörg Poethkow
Horst Upadek
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Publication of EP0874890A1 publication Critical patent/EP0874890A1/de
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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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • 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
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/223—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin oxidised

Definitions

  • the present invention relates to detergents and cleaning agents which act as a builder or cobuilder component contain an oligosaccharide, which at the reducing end such has been modified that instead of a hydroxymethylene aldehyde unit Carboxy unit is present.
  • Detergents and cleaning agents usually contain in addition to those for the detergent respectively Cleaning performance of indispensable surfactants, also known as builder substances, which have the task of supporting the performance of the surfactants, by using hardening agents, i.e. essentially calcium and magnesium ions, so should eliminate from the wash liquor that they are not in a negative way with the Interact with surfactants.
  • a well-known example of such primary washing power improving builder substances is zeolite Na-A, which is known in the Is able to form so stable complexes with calcium ions in particular that their Reaction with water hardness forming anions, especially carbonate, to insoluble Connections is suppressed.
  • the builders especially in Textile detergents, the redeposition of the from the fiber or generally from the to detached surface as well as by the reaction of water hardness forming cations with water hardness forming anions insoluble connections on the cleaned textile or the surface prevent.
  • co-builders are usually used, in which Rule polymeric polycarboxylates, one that, in addition to their contribution to Secondary washing power advantageously also a complexing action against have water hardness-forming cations.
  • the present invention wants to contribute to the use of so-called biodegradable Builders perform, including substances found in nature or if possible slightly modified derivatives of such natural products are understood by which are believed to have better degradability than synthetic ones Polymers of unsaturated mono- and dicarboxylic acids.
  • the invention relates to a washing or cleaning agent containing surfactant, inorganic builder, oxygen-based bleach, bleach activator and / or Enzyme, which is characterized in that it as a builder or Cobuilder component contains an oligosaccharide, which originally on its reducing end instead of the group -CH (OH) -CHO has a group -COOH and whose average degree of oligomerization is in the range of 2 to 20.
  • Another object of the invention is therefore the use of oligosaccharides that are at their original reducing End instead of the group -CH (OH) -CHO contain a group -COOH and whose average degree of oligomerization is in the range from 2 to 20, as graying inhibitors in detergents and aqueous washing liquors for textile washing.
  • a washing process for textiles in an aqueous, in particular surfactant-containing liquor using the Modified oligosaccharides mentioned as graying inhibitors is another Subject of the invention.
  • Preferred monomer in the invention to be used after oxidative modification Builder or cobuilder is glucose.
  • the average degree of oligomerization n which can also assume fractional numerical values as an analytical quantity, is preferably in the range from 2 to 10.
  • the oligosaccharide used according to the invention as a builder or cobuilder has been oxidatively modified at its originally reducing end with the loss of a carbon atom. If the originally reducing end of the oligosaccharide was an anhydroglucose unit, there is an arabinonic acid unit after modification: (Glucose) n ⁇ (Glucose) n-1 arabinonic acid.
  • This oxidative modification can, for example, with the aid of Fe, Cu, Ag, Co or Ni catalysts, as described in international patent application WO 92/18542, with the help of Pd, Pt, Rh or Os catalysts, as in the European patent EP 0 232 202 described, or by means of a quinone / hydroquinone system in alkaline with the addition of oxygen and optionally aftertreatment done with hydrogen peroxide.
  • the oligosaccharide starting material which can be modified by means of such oxidation processes it is preferably an oligosaccharide with a dextrose equivalent (DE) in the range from 20 to 50, DE being a common measure of reducing effect of a polysaccharide compared to dextrose, which a DE out of 100.
  • DE dextrose equivalent
  • washing and cleaning agents according to the invention is preferably 0.5% by weight to 10% by weight, in particular 2% by weight to 7% by weight, of the oxidatively modified oligosaccharide, which is normally used in the form of its alkali salt.
  • the washing and cleaning agents according to the invention which are particularly particulate Solids, pastes, homogeneous solutions or suspensions may be present, can in principle all known except the active ingredient used in the invention and contain common ingredients in such agents.
  • the invention Detergents and cleaning agents can in particular include surface-active surfactants, bleaches, Bleach activators, water-miscible organic solvents, enzymes, additional builder substances, sequestering agents, electrolytes, pH regulators and further auxiliaries, such as optical brighteners, color transfer inhibitors, foam regulators, Abrasives as well as colors and fragrances.
  • An agent according to the invention preferably contains in addition to the oxidative modified oligosaccharide a water-soluble and / or water-insoluble, organic and / or inorganic (main) builder.
  • Builder substances are total in the washing or cleaning agents according to the invention preferably in amounts up to 60% by weight, in particular from 5% by weight to 40% by weight.
  • Particularly suitable water-soluble inorganic builder materials are polyphosphates, preferably sodium triphosphate.
  • water-insoluble, water-dispersible inorganic builder materials are particularly crystalline or amorphous alkali alumosilicates, in amounts of up to 50% by weight, preferably not more than 40% by weight and in liquid compositions in particular from 1% by weight to 5% by weight, used.
  • these are the detergent grade crystalline sodium aluminosilicates, in particular zeolite A, zeolite P and optionally zeolite X, are preferred. Amounts close to the above limit are preferably in solid, particulate Funds used.
  • Suitable aluminosilicates in particular have none Particles with a grain size above 30 microns and preferably exist at least 80 wt .-% of particles with a size below 10 microns.
  • Your calcium binding capacity that can be determined according to the specifications of German patent specification DE 2412 837, is usually in the range of 100 to 200 mg CaO per gram.
  • Suitable substitutes or partial substitutes for the aluminosilicate mentioned are crystalline alkali silicates, which can be present alone or in a mixture with amorphous silicates.
  • the alkali silicates which can be used as builders in the agents according to the invention preferably have a molar ratio of alkali oxide to SiO 2 below 0.95, in particular from 1: 1.1 to 1:12, and can be amorphous or crystalline.
  • Preferred alkali silicates are the sodium silicates, in particular the amorphous sodium silicates, with a Na 2 O: SiO 2 molar ratio of 1: 2 to 1: 2.8.
  • Crystalline layered silicates of the general formula Na 2 Si x O 2x + 1 4 and y is a number from 0 to 20 and are preferred values for x 2, 3 or 4. Crystalline layered silicates which fall under this general formula are described, for example, in European patent application EP 0 164 514. Preferred crystalline layered silicates are those in which x assumes the values 2 or 3 in the general formula mentioned.
  • both ⁇ - and ⁇ -sodium disilicate are preferred, wherein ⁇ -sodium disilicate can be obtained, for example, by the method described in international patent application WO 91/08171.
  • ⁇ -sodium silicates with a modulus between 1.9 and 3.2 can be produced according to Japanese patent applications JP 04/238 809 or JP 04/260 610.
  • Crystalline sodium silicates with a modulus in the range from 1.9 to 3.5 are used in a further embodiment of agents according to the invention.
  • alkali aluminosilicate in particular zeolite
  • the weight ratio of aluminosilicate to silicate, based in each case on anhydrous active substances is preferably 4: 1 to 10: 1.
  • the weight ratio of amorphous alkali silicate to crystalline alkali silicate is preferably 1: 2 to 2: 1 and in particular 1: 1 to 2: 1.
  • the water-soluble organic builders include aminopolycarboxylic acids, in particular, nitrilotriacetic acid and ethylenediaminetetraacetic acid, polyphosphonic acids, especially amino-tris (methylenephosphonic acid), ethylenediaminetetrakis (methylenephosphonic acid) and 1-hydroxyethane-1,1-diphosphonic acid, polycarboxylic acids, particularly citric acid and sugar acids, as well as polymeric (poly) carboxylic acids , in particular the polycarboxylates of international patent application WO 93/16110 which are accessible by oxidation of polysaccharides, polymeric acrylic acids, methacrylic acids, maleic acids and copolymers thereof, which may also contain small amounts of polymerizable substances without carboxylic acid functionality in copolymerized form.
  • aminopolycarboxylic acids in particular, nitrilotriacetic acid and ethylenediaminetetraacetic acid
  • polyphosphonic acids especially amino-tris (methylenephosphonic acid
  • the relative molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 and 200,000, that of the copolymers between 2,000 and 200,000, preferably 50,000 to 120,000, in each case based on free acid.
  • a particularly preferred acrylic acid-maleic acid copolymer has a relative molecular weight of 50,000 to 100,000.
  • Suitable, albeit less preferred, compounds of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene, in which the proportion of acid is at least 50% by weight.
  • Terpolymers which contain two unsaturated acids and / or their salts as monomers and vinyl alcohol and / or a vinyl alcohol derivative or a carbohydrate as the third monomer can also be used as water-soluble organic builder substances.
  • the first acidic monomer or its salt is derived from a monoethylenically unsaturated C 3 -C 8 carboxylic acid and preferably from a C 3 -C 4 monocarboxylic acid, in particular from (meth) acrylic acid.
  • the second acidic monomer or its salt can be a derivative of a C 4 -C 8 dicarboxylic acid, preferably a C 4 -C 8 dicarboxylic acid, maleic acid being particularly preferred.
  • the third monomeric unit is formed from vinyl alcohol and / or an esterified vinyl alcohol.
  • Vinyl alcohol derivatives in which short-chain carboxylic acids, for example of C 1 -C 4 carboxylic acids, are esterified with vinyl alcohol are particularly preferred.
  • Preferred terpolymers contain 60% by weight to 95% by weight, in particular 70% by weight to 90% by weight of (meth) acrylic acid or (meth) acrylate, particularly preferably acrylic acid or acrylate, and maleic acid or Maleate and 5 wt .-% to 40 wt .-%, preferably 10 wt .-% to 30 wt .-% vinyl alcohol and / or vinyl acetate.
  • the second acidic monomer or its salt can also be a derivative of an allylsulfonic acid which, in the 2-position, has an alkyl radical, preferably a C 1 -C 4 -alkyl radical, or an aromatic radical which is preferably derived from benzene or benzene derivatives is substituted.
  • Preferred terpolymers contain 40% by weight to 60% by weight, in particular 45 to 55% by weight of (meth) acrylic acid or (meth) acrylate, particularly preferably acrylic acid or acrylate, 10% by weight to 30% by weight. %, preferably 15% by weight to 25% by weight of methallylsulfonic acid or methallylsulfonate and as the third monomer 15% by weight to 40% by weight, preferably 20% by weight to 40% by weight, of a carbohydrate.
  • This carbohydrate can be, for example, a mono-, di-, oligo- or polysaccharide, with mono-, di- or oligosaccharides being preferred. Among these, sucrose is particularly preferred.
  • the use of the third monomer presumably creates predetermined breaking points in the polymer which are responsible for the good biodegradability of the polymer.
  • These terpolymers can in particular be prepared by processes which are described in German patent specification DE 42 21 381 and German patent application DE 43 00 772 and generally have a relative molecular weight between 1,000 and 200,000, preferably between 200 and 50,000 and in particular between 3,000 and 10,000.
  • Further copolymers are those which are described in German patent applications DE 43 03 320 and DE 44 17 734 and which preferably contain acrolein and acrylic acid / acrylic acid salts or vinyl acetate as monomers.
  • the organic builder substances can be used, in particular for the production of liquid agents, in the form of aqueous solutions, preferably in the form of 30 to 50 percent by weight aqueous solutions. All of the acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.
  • oligosaccharides modified by oxidation as described above it is possible to completely dispense with such conventional organic co-builders, without losing the performance of the detergent or cleaning agent.
  • the agents according to the invention can contain one or more surfactants, in particular anionic surfactants, nonionic surfactants and their mixtures come into question.
  • Suitable nonionic surfactants are especially alkyl glycosides and ethoxylation and / or propoxylation products of alkyl glycosides or linear or branched Alcohols each with 12 to 18 carbon atoms in the alkyl part and 3 to 20, preferably 4 to 10 alkyl ether groups.
  • Corresponding ethoxylation and / or propoxylation products of N-alkyl amines, vicinal diols, Fatty acid esters and fatty acid amides, the long-chain mentioned with respect to the alkyl part Alcohol derivatives correspond, as well as of alkylphenols with 5 to 12 carbon atoms usable in the alkyl radical.
  • Suitable anionic surfactants are in particular soaps and those containing sulfate or Contain sulfonate groups with preferably alkali ions as cations.
  • Usable soaps are preferably the alkali salts of saturated or unsaturated fatty acids with 12 to 18 carbon atoms. Such fatty acids can also be in a form which is not completely neutralized be used.
  • the sulfate-type surfactants that can be used include the salts the sulfuric acid half-ester of fatty alcohols with 12 to 18 carbon atoms and the sulfation products of the nonionic surfactants mentioned with a low degree of ethoxylation.
  • the sulfonate type surfactants that can be used include linear alkylbenzenesulfonates with 9 to 14 carbon atoms in the alkyl part, alkane sulfonates with 12 to 18 carbon atoms, as well as olefin sulfonates with 12 to 18 carbon atoms, which are corresponding in the implementation Monoolefins with sulfur trioxide are formed, as well as alpha-sulfofatty acid esters arise in the sulfonation of fatty acid methyl or ethyl esters.
  • Such surfactants are in the cleaning or washing agents according to the invention in Quantities of preferably 5% by weight to 50% by weight, in particular 8% by weight up to 30% by weight. In agents according to the invention for cleaning Crockery can, however, fall below the specified lower limits; the The surfactant content in such agents is preferably 0.1% to 20% by weight, in particular 0.2% by weight to 5% by weight.
  • peroxygen-based bleaching agent contained in agents according to the invention can come, in particular, organic peracids, hydrogen peroxide and giving hydrogen peroxide to the washing or cleaning conditions inorganic salts such as perborate, percarbonate and / or persilicate.
  • solid peroxygen compounds are to be used, they can be in the form of Powders or granules are used, which are also known in principle can be enveloped.
  • a washing or cleaning agent according to the invention Contains peroxygen compounds, they are in amounts of preferably 10 wt .-% to Contain 30 wt .-%, in particular from 15 wt .-% to 25 wt .-%, being sodium percarbonate is particularly preferred.
  • a stabilized with special borates is preferred Alkali percarbonate, as from European patent applications EP 459 625, EP 487 256 or EP 567 140 known, or one with a combination of alkali salts coated alkali percarbonate, as from the European patent applications EP 623 553 or EP 592 969 known.
  • the bleach activators that may be present in the agents according to the invention include, in particular, compounds that may be present under perhydrolysis conditions substituted perbenzoic acid and / or peroxocarboxylic acids with 1 to 10 carbon atoms, in particular result in 2 to 4 carbon atoms.
  • compounds that may be present under perhydrolysis conditions substituted perbenzoic acid and / or peroxocarboxylic acids with 1 to 10 carbon atoms, in particular result in 2 to 4 carbon atoms are particularly suitable Substances containing O- and / or N-acyl groups of the number of carbon atoms mentioned and / or optionally substituted benzoyl groups.
  • acylated alkylenediamines especially tetraacetylethylenediamine (TAED), acylated Glycolurils, especially tetraacetylglycoluril (TAGU), acylated triazine derivatives, in particular 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine (DADHT), acylated Phenolsulfonate, especially nonanoyl or isononanoyloxybenzenesulfonate, acylated polyhydric alcohols, especially triacetin, ethylene glycol diacetate and 2,5-diacetoxy-2,5-dihydrofuran as well as acetylated sorbitol and mannitol, and acylated sugar derivatives, in particular Pentaacetylglucose (PAG), Pentaacetylfruktose, Tetraacety
  • Enzymes that can be used in the agents come from the class of proteases, Lipases, cutinases, amylases, pullulanases, hemicellulases, xylanases, cellulases, Oxidases and peroxidases and their mixtures in question.
  • fungi or bacteria such as Bacillus subtilis, Bacillus licheniformis, Streptomyces griseus, Humicola lanuginosa, Humicola insolens, Pseudomonas pseudoalcaligenes or Pseudomonas cepacia obtained enzymatic active substances.
  • the possibly Enzymes can be used, such as in international patent applications WO 92/11347 or WO 94/23005 described, adsorbed on carriers and / or embedded in coating substances in order to protect them against premature inactivation protect. They are in quantities in the washing and cleaning agents according to the invention preferably not more than 5% by weight, in particular from 0.2% by weight to 2% by weight, contain.
  • usable organic solvents include alcohols with 1 to 4 carbon atoms, especially methanol, ethanol, isopropanol and tert-butanol, Diols with 2 to 4 carbon atoms, especially ethylene glycol and propylene glycol, and their Mixtures and the ethers derived from the compound classes mentioned.
  • Such water-miscible solvents are in the washing, cleaning and disinfectants preferably not more than 30% by weight, especially of 6% to 20% by weight.
  • the agents according to the invention cannot systematically determine the pH value. and environmentally compatible acids, especially citric acid, acetic acid, tartaric acid, Malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and / or adipic acid, but also mineral acids, especially sulfuric acid, or bases, in particular Contain ammonium or alkali hydroxides.
  • Such pH regulators are in the invention Average preferably not more than 20 wt .-%, especially of 1.2% by weight to 17% by weight.
  • the agents can be further customary in washing and cleaning agents Components included.
  • These optional components include in particular Enzyme stabilizers, additional graying inhibitors such as carboxymethyl cellulose, Color transfer inhibitors, for example polyvinylpyrrolidone or polyvinylpyrdine-N-oxide, Foam inhibitors, for example organopolysiloxanes or paraffins, and optical brighteners, for example stilbene disulfonic acid derivatives.
  • compositions according to the invention presents no difficulties and can in a known manner, for example by spray drying or granulation, with enzymes, bleach and any other thermally sensitive ingredients if necessary, be added separately later.
  • Medium with increased bulk density in particular in the range from 650 g / l to 950 g / l an extrusion step known from European Patent EP 486 592 having method preferred.
  • Liquid or pasty according to the invention Detergents or cleaning agents in the form of conventional solvents Solutions are usually made by simply mixing the ingredients that are in substance or can be placed as a solution in an automatic mixer.
  • a basic detergent BW containing 15% by weight of a 2: 1 mixture of sodium alkylbenzenesulfonate and sodium fatty alkyl sulfate , 1% by weight of soap, 4% by weight of 5-fold ethoxylated C 12/18 alcohol, 25% by weight Zeolite Na-A, 16% by weight sodium perborate monohydrate, 6% by weight TAED and to 100% by weight enzyme granules, foam inhibitor granules, water and salts, based on the basic detergent, were 5.5% by weight reducing End of oxidatively modified oligosaccharide co-builder B1 with average degree of oligomerization approx.
  • Washed tissue samples as described above were used to determine the incrustation balanced and then in a 5% EDTA solution with a liquor ratio boiled from 1:20 (weight of textile to EDTA solution) and then rinsed thoroughly several times with distilled water. The fabrics were dried and weighed again. The weight difference of the samples before and after treatment, expressed as a percentage of the weight, the soluble incrustation results.
  • Example 1 the reflectance of the test fabric washed 25 times with the respective agent was determined in order to determine the graying of the fabric caused by the washing processes.
  • Table 4 shows the measured reflectance values (low values mean high graying) as mean values of duplicate determinations. Graying [% remission] medium in tissue AW 81.2 82.3 83.4 M1 73.2 75.7 75.6 V1 76.2 74.3 73.7

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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EP96944014A 1996-01-03 1996-12-19 Waschmittel mit bestimmten oxidierten oligosacchariden Expired - Lifetime EP0874890B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19600018A DE19600018A1 (de) 1996-01-03 1996-01-03 Waschmittel mit bestimmten oxidierten Oligosacchariden
DE19600018 1996-01-03
PCT/EP1996/005713 WO1997025399A1 (de) 1996-01-03 1996-12-19 Waschmittel mit bestimmten oxidierten oligosacchariden

Publications (2)

Publication Number Publication Date
EP0874890A1 EP0874890A1 (de) 1998-11-04
EP0874890B1 true EP0874890B1 (de) 2000-02-16

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EP96944014A Expired - Lifetime EP0874890B1 (de) 1996-01-03 1996-12-19 Waschmittel mit bestimmten oxidierten oligosacchariden

Country Status (7)

Country Link
US (1) US6187055B1 (enExample)
EP (1) EP0874890B1 (enExample)
JP (1) JP2000502742A (enExample)
AT (1) ATE189829T1 (enExample)
DE (2) DE19600018A1 (enExample)
ES (1) ES2143800T3 (enExample)
WO (1) WO1997025399A1 (enExample)

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ATE189829T1 (de) 2000-03-15
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WO1997025399A1 (de) 1997-07-17
US6187055B1 (en) 2001-02-13
JP2000502742A (ja) 2000-03-07
DE59604471D1 (de) 2000-03-23
EP0874890A1 (de) 1998-11-04

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