EP2054495B1 - Détergents contenant un dérivé de cellulose à pouvoir de décollement des salissures, actif sur le coton - Google Patents

Détergents contenant un dérivé de cellulose à pouvoir de décollement des salissures, actif sur le coton Download PDF

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EP2054495B1
EP2054495B1 EP07765614A EP07765614A EP2054495B1 EP 2054495 B1 EP2054495 B1 EP 2054495B1 EP 07765614 A EP07765614 A EP 07765614A EP 07765614 A EP07765614 A EP 07765614A EP 2054495 B1 EP2054495 B1 EP 2054495B1
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Prior art keywords
acid
cellulose derivative
weight
cellulose
washing
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German (de)
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EP2054495A1 (fr
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Josef Penninger
Nadine Warkotsch
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D3/16—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
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • 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

Definitions

  • the present invention relates to the use of certain soil release cellulose derivatives to enhance the cleaning performance of bleach-containing detergents in the washing of textiles, especially those made of cotton or containing cotton, and bleach-containing detergents and cleaners containing such soil release cellulose derivatives.
  • Detergents contain in addition to the indispensable for the washing process ingredients such as surfactants and builder materials usually further ingredients that can be summarized under the term washing aids and include as different drug groups such as foam regulators, grayness inhibitors, bleach, bleach activators and dye transfer inhibitors.
  • Such adjuvants also include substances which impart soil repellency properties to the laundry fiber and, if present during the wash, aid the soil release properties of the remaining detergent ingredients. The same applies mutatis mutandis to cleaners for hard surfaces.
  • soil release agents are often referred to as “soil release” agents or because of their ability to impart soil repellency to the treated surface, such as the fiber, as “soil repellents”.
  • the US patent US 4,000,093 discloses detergents containing from 0.1% to 3% by weight of alkyl cellulose, hydroxyalkyl cellulose or alkyl hydroxyalkyl cellulose and from 5% to 50% by weight surfactant, wherein the surfactant component consists essentially of C 10 to C 13 alkyl sulfate and up to 5 wt .-% C 14 alkyl sulfate and less than 5 wt .-% alkyl sulfate with alkyl radicals of C 15th and higher.
  • the US patent US 4,174,305 discloses detergents containing from 0.1% to 3% by weight of alkyl cellulose, hydroxyalkyl cellulose or alkyl hydroxyalkyl cellulose and from 5% to 50% by weight surfactant, wherein the surfactant component consists essentially of C 10 to C 12 alkylbenzenesulfonate and less than 5 wt .-% alkylbenzenesulfonate having alkyl radicals of C 13 and higher.
  • the European patent EP 0 271 312 relates to soil release agents, among these cellulose alkyl ethers and cellulose hydroxyalkyl ethers (having DS 1.5 to 2.7 and molecular weights of 2,000 to 100,000) such as methylcellulose and ethylcellulose, with weight ratio of peroxygen bleach (based on the active oxygen content of the bleach) of 10: 1 to 1 : 10 should be used.
  • the European patent application EP 0 634 481 relates to a detergent containing alkali metal percarbonate and one or more nonionic cellulose derivatives.
  • the latter expressly disclose only hydroxyethylcellulose, hydroxypropylcellulose and methylcellulose and, in the examples, the methylhydroxyethylcellulose Tylose® MH50, the hydroxypropylmethylcellulose Methocel® F4M and hydroxybutylmethylcellulose.
  • a detergent in liquid or granular form which imparts to textile fabrics washed therewith such as pill / lint reduction, anti-color fading, improved abrasion resistance and / or enhanced softness and containing from 1 to 80% by weight of surfactant, from 1 to 80 wt .-% organic or inorganic builder, 0.1 to 80 wt .-% of a hydrophobically modified nonionic cellulose ether having a molecular weight of 10,000 to 2,000,000, wherein the modification in the presence of optionally oligomerized (degree of oligomerization up to 20 ) Ethyleneoxy or 2-propyleneoxy ether units and C 8-24 alkyl substituents and the alkyl substituents must be present in amounts of 0.1-5 wt .-%, based on the cellulose ether material.
  • Bleach-containing detergent with cotton-active sweetening cellulose derivative is made WO 2004/069972 known.
  • German Offenlegungsschrift describes DT 16 17 141 a washing process using polyethylene terephthalate-polyoxyethylene glycol copolymers.
  • the German patent application DT 22 00 911 relates to detergents containing nonionic surfactant and a copolymer of polyoxyethylene glycol and polyethylene terephthalate.
  • DT 22 53 063 are called acidic textile finishing agents containing a copolymer of a dibasic carboxylic acid and an alkylene or cycloalkylene polyglycol and optionally an alkylene or cycloalkylene glycol.
  • Polymers of ethylene terephthalate and polyethylene oxide terephthalate in which the polyethylene glycol units have molecular weights of 750 to 5,000 and the molar ratio of ethylene terephthalate to polyethylene oxide terephthalate is 50:50 to 90:10, and their use in detergents are disclosed in the German Patent DE 28 57 292 described.
  • the European patent EP 066 944 relates to textile treatment compositions containing a copolyester of ethylene glycol, polyethylene glycol, aromatic dicarboxylic acid and sulfonated aromatic dicarboxylic acid in certain molar ratios.
  • polyesters having ethylene and / or propylene terephthalate and polyethylene oxide terephthalate units and detergents containing such soil release polymer are known.
  • the European patent EP 241 984 relates to a polyester which in addition to oxyethylene groups and terephthalic acid units also contains substituted ethylene units and glycerol units.
  • Polyesters are known which contain in addition to oxyethylene groups and terephthalic acid units 1,2-propylene, 1.2-butylene and / or 3-methoxy-1,2-propylene and glycerol units and are endemergencever violation with C 1 - to C 4 alkyl groups.
  • the European patent EP 253 567 relates to soil release polymers having a molecular weight of 900 to 9000 of ethylene terephthalate and polyethylene oxide terephthalate, wherein the polyethylene glycol units have molecular weights of 300 to 3000 and the molar ratio of ethylene terephthalate to polyethylene oxide terephthalate is 0.6 to 0.95.
  • From the European patent application EP 272 033 are At least in part by C 1-4 alkyl or acyl radicals end phenomenonver claimed with poly-propylene terephthalate and polyoxyethylene terephthalate units known.
  • the European patent EP 274 907 describes sulfoethyl end-capped terephthalate-containing soil release polyesters.
  • EP 357,280 are prepared by sulfonation of unsaturated end groups soil release polyester with terephthalate, alkylene glycol and poly-C 2-4 glycol units.
  • the German patent application DE 26 55 551 describes the reaction of such polyesters with isocyanate group-containing polymers and the use of the polymers thus prepared against the repulping of dirt during the washing of synthetic fibers.
  • From the German patent DE 28 46 984 Detergents are known which contain, as a non-melt-able polymer, a reaction product of a polyester having a terminal isocyanate group-containing prepolymer obtained from a diisocyanate and a hydrophilic nonionic macrodiol.
  • the invention relates to the use of a soil release-capable cellulose derivative obtainable by alkylation and carboxyalkylation of cellulose, for enhancing the cleaning performance of detergents in the washing of textiles consisting of cotton or containing cotton, wherein the cellulose derivative averaged 0.4 to 2.7 Alkyl groups and 0.001 to 0.3 carboxyalkyl groups per Anhydroglykosemonomer founded contains.
  • Another object of the invention is a process for washing textiles in which a detergent and a corresponding soil release cellulose derivative, which is obtainable by alkylation and carboxyalkylation of cellulose used.
  • This method can be carried out manually or preferably by means of a conventional household washing machine. It is possible to use the particular bleach-containing detergent and the soil release-capable cellulose derivative simultaneously or successively. The simultaneous application can be particularly advantageous by the use of a detergent which contains the soil release wealthy cellulose derivative perform.
  • the washing performance-enhancing effect of the cellulose derivatives to be used according to the invention when used repeatedly, ie in particular for removing stains from corresponding textiles which had already been washed and / or post-treated in the presence of the cellulose derivative before being provided with the stain.
  • the designated positive aspect can also be achieved by a washing process in which the textile is free after the actual washing process, with the aid of a detergent which may contain a cellulose derivative mentioned in this case may be carried out by this, with an aftertreatment agent, for example in the context of a fabric softening step, which contains a cellulose derivative to be used according to the invention is brought into contact.
  • Preferred cellulose derivatives are those which are alkylated with C 1 to C 10 groups, in particular C 1 to C 3 groups, and additionally C 1 to C 10 carboxyalkyl groups, in particular C 1 to C 4 carboxyalkyl groups, and particularly preferably C 2 - or C 3 -Carboxyalkyl phenomenon carry (at the indicated C numbers is not counted in the carboxyalkyl carboxyl-C-atom).
  • cellulose derivatives can be obtained in a known manner by reaction of cellulose with appropriate alkylating agents, for example alkyl halides or alkyl sulfates, and subsequent reaction with corresponding haloalkylcarboxylic acids, such as, for example, chloroacetic acid, 3-chloropropionic acid and / or 4-chlorobutyric acid.
  • alkylating agents for example alkyl halides or alkyl sulfates
  • corresponding haloalkylcarboxylic acids such as, for example, chloroacetic acid, 3-chloropropionic acid and / or 4-chlorobutyric acid.
  • a mean of 0.5 to 2.5, in particular 1 to 2 alkyl groups and 0.002 to 0.2, in particular 0.005 to 0.1, carboxyalkyl groups per anhydroglycosemonomer unit are contained in the cellulose derivative.
  • the average molar mass of the cellulose derivatives used according to the invention is preferably in the range from 10,000 D to 150,000 D, in particular from 40,000 D to 120,000 D and particularly preferably in the range from 70,000 D to 110,000 D.
  • the determination of the degree of polymerization or of the molecular weight of the soil release-capable cellulose derivative is based on the determination of the limiting viscosity number of sufficiently dilute aqueous solutions by means of an Ubbelohde capillary viscometer (capillary 0c). Using a constant [H. Staudinger and F. Reinecke, "On Molecular Weight Determination on Cellulose Ethers", Liebigs Annalen der Chemie 535, 47 (1938)] and a Correction Factor [F.
  • the cellulose derivatives used according to the invention can be prepared in a simple manner and are ecologically and toxicologically harmless. They lead to a significantly better detachment of particular grease and cosmetic stains on cotton or cotton-containing fabrics than when used so far for this purpose known compounds is the case. Alternatively, significant amounts of surfactants can be saved while maintaining fat removal capability.
  • the use according to the invention can be carried out in the context of a washing process in such a way that the cellulose derivative is added to a detergent-containing liquor or, preferably, the cellulose derivative is introduced into the liquor as a constituent of a washing agent.
  • a laundry aftertreatment process can be carried out in such a way that the cellulose derivative is added separately to the rinse liquor which is used after the wash cycle using a particular bleach-containing detergent, or it is incorporated as part of the laundry aftertreatment agent, in particular a fabric conditioner.
  • said detergent may also contain, but may be free of, a cellulose derivative to be used in accordance with the invention.
  • Detergents containing a cellulose derivative to be used according to the invention or used together with it or used in the process according to the invention may contain all customary other constituents of such agents which do not interact in an undesired manner with the cellulosic derivative essential to the invention.
  • the cellulose derivative in amounts of from 0.1 wt .-% to 2 wt .-%, in particular 0.5 wt .-% to 1 wt .-% is incorporated in detergent.
  • An agent which contains a cellulose derivative to be used according to the invention or is used together or is used in the process according to the invention preferably contains peroxygen-based bleaching agents, in particular in amounts ranging from 5% by weight to 70% by weight, and optionally Bleach activator, especially in amounts ranging from 2% to 10% by weight.
  • the bleaches in question are preferably the peroxygen compounds generally used in detergents, such as percarboxylic acids, for example dodecanedioic acid or phthaloylaminoperoxicaproic acid, hydrogen peroxide, alkali metal perborate, which may be present as tetra- or monohydrate, percarbonate, perpyrophosphate and persilicate, which are generally used as alkali metal salts, in particular as sodium salts.
  • percarboxylic acids for example dodecanedioic acid or phthaloylaminoperoxicaproic acid
  • hydrogen peroxide alkali metal perborate
  • percarbonate percarbonate
  • perpyrophosphate and persilicate which are generally used as alkali metal salts, in particular as sodium salts.
  • Such bleaching agents are in detergents which contain a cellulose derivative used according to the invention, preferably in amounts of up to 25 wt .-%, in particular up to 15 wt .-% and particularly preferably from 5 wt .-% to 15 wt .-%, respectively on total agent, present, in particular percarbonate is used.
  • the optionally present component of the bleach activators comprises the commonly used N- or O-acyl compounds, for example polyacylated alkylenediamines, in particular tetraacetylethylenediamine, acylated glycolurils, in particular tetraacetylglycoluril, N-acylated hydantoins, hydrazides, triazoles, urazoles, diketopiperazines, sulphurylamides and cyanurates, and also carboxylic acid anhydrides , in particular phthalic anhydride, carboxylic acid esters, in particular sodium isononanoyl-phenolsulfonate, and acylated sugar derivatives, in particular pentaacetylglucose, as well as cationic nitrile derivatives such as trimethylammoniumacetonitrile salts.
  • N- or O-acyl compounds for example polyacylated alkylenediamines, in particular tetraacety
  • the bleach activators may have been coated or granulated in known manner with encapsulating substances, granulated tetraacetylethylenediamine having mean particle sizes of from 0.01 mm to 0.8 mm, with the aid of carboxymethylcellulose, as for example according to the European patent EP 37 026 granulated 1,5-diacetyl-2,4-dioxohexahydro-1,3,5-triazine, as described in the German Patent DD 255 884 can be prepared, and / or according to those in the international patent applications WO 00/50553 . WO 00/50556 . WO 02/12425 .
  • WO 02/12426 or WO 02/26927 Particularly preferred is the trialkylammonium acetonitrile formulated in particulate form.
  • Such bleach activators are preferably contained in detergents in amounts of up to 8% by weight, in particular from 2% by weight to 6% by weight, based in each case on the total agent.
  • an agent used according to the invention or used in the process according to the invention comprises nonionic surfactant selected from fatty alkyl polyglycosides, fatty alkyl polyalkoxylates, in particular ethoxylates and / or propoxylates, fatty acid polyhydroxyamides and / or ethoxylation and / or propoxylation products of fatty alkylamines, vicinal diols, Fatty acid alkyl esters and / or fatty acid amides and mixtures thereof, in particular in an amount in the range of 2 wt .-% to 25 wt .-%.
  • Such agents comprises the presence of sulfate and / or sulfonate synthetic anionic surfactant, in particular fatty alkyl sulfate, fatty alkyl ether sulfate, sulfo fatty acid ester and / or sulfo fatty acid salt, in particular in an amount in the range from 2% to 25% by weight.
  • the anionic surfactant is preferably selected from the alkyl or alkenyl sulfates and / or the alkyl or alkenyl ether sulfates in which the alkyl or alkenyl group has 8 to 22, in particular 12 to 18, carbon atoms. These are usually not individual substances, but cuts or mixtures. Of these, preference is given to those whose content of compounds having longer-chain radicals in the range from 16 to 18 carbon atoms is more than 20% by weight.
  • Suitable nonionic surfactants include the alkoxylates, in particular the ethoxylates and / or propoxylates of saturated or mono- to polyunsaturated linear or branched-chain alcohols having 10 to 22 C atoms, preferably 12 to 18 carbon atoms.
  • the degree of alkoxylation of the alcohols is generally between 1 and 20, preferably between 3 and 10. They can be prepared in a known manner by reacting the corresponding alcohols with the corresponding alkylene oxides.
  • Particularly suitable are the derivatives of fatty alcohols, although their branched-chain isomers, in particular so-called oxo alcohols, can be used for the preparation of usable alkoxylates.
  • alkoxylates in particular the ethoxylates, primary alcohols with linear, in particular dodecyl, tetradecyl, hexadecyl or octadecyl radicals and mixtures thereof.
  • suitable alkoxylation products of alkylamines, vicinal diols and carboxamides, which correspond to the said alcohols with respect to the alkyl part usable.
  • the ethylene oxide and / or propylene oxide insertion products of fatty acid alkyl esters as described in the international patent application WO 90/13533 as well as fatty acid polyhydroxyamides, as prepared according to the methods of US Pat US 1,985,424 .
  • alkylpolyglycosides which are suitable for incorporation in the compositions according to the invention are compounds of the general formula (G) n -OR 12 , in which R 12 is an alkyl or alkenyl radical having 8 to 22 C atoms, G is a glycose unit and n is a number between 1 and 10 mean.
  • R 12 is an alkyl or alkenyl radical having 8 to 22 C atoms
  • G is a glycose unit
  • n is a number between 1 and 10 mean.
  • the glycoside component (G) n are oligomers or polymers of naturally occurring aldose or ketose monomers, in particular glucose, mannose, fructose, galactose, talose, gulose, altrose, allose, idose, ribose, arabinose, Include xylose and lyxose.
  • the oligomers consisting of such glycosidically linked monomers are characterized not only by the nature of the sugars contained in them by their number, the so-called Oligomermaschinesgrad.
  • the degree of oligomerization n assumes as the value to be determined analytically generally broken numerical values; it is between 1 and 10, with the glycosides preferably used below a value of 1.5, in particular between 1.2 and 1.4.
  • Preferred monomer building block is glucose because of the good availability.
  • the alkyl or alkenyl part R 12 of the glycosides also preferably originates from readily available derivatives of renewable raw materials, in particular from fatty alcohols, although also their branched-chain isomers, in particular so-called oxo alcohols, can be used for the preparation of useful glycosides. Accordingly, the primary alcohols having linear octyl, decyl, dodecyl, tetradecyl, hexadecyl or octadecyl radicals and mixtures thereof are particularly suitable.
  • Nonionic surfactant is used according to the invention in agents which contain a soil-release agent used according to the invention, or used in the process according to the invention, preferably in amounts of 1 wt .-% to 30 wt .-%, in particular from 1 wt .-% to 25 Wt .-%, with amounts in the upper part of this range are more likely to be found in liquid detergents and particulate detergents preferably contain rather lower amounts of up to 5 wt .-%.
  • the agents may instead or additionally contain other surfactants, preferably synthetic anionic surfactants of the sulfate or sulfonate type, such as, for example, alkylbenzenesulfonates, in amounts of preferably not more than 20% by weight, in particular from 0.1% by weight to 18% by weight. %, in each case based on total resources.
  • synthetic anionic surfactants are the alkyl and / or alkenyl sulfates having 8 to 22 carbon atoms, which is an alkali metal. Wear ammonium, or alkyl or hydroxyalkyl-substituted ammonium ion as a counter cation, call.
  • alkyl and alkenyl sulfates can be prepared in a known manner by reaction of the corresponding alcohol component with a conventional sulfating reagent, in particular sulfur trioxide or chlorosulfonic acid, and subsequent neutralization with alkali metal, ammonium or alkyl or hydroxyalkyl-substituted ammonium bases.
  • Sulfur-type surfactants which can be used also include the sulfated alkoxylation products of the alcohols mentioned, known as ether sulfates.
  • Such ether sulfates preferably contain 2 to 30, in particular 4 to 10, ethylene glycol groups per molecule.
  • Suitable anionic surfactants include the sulfonate type Reaction of fatty acid esters with sulfur trioxide and subsequent neutralization obtainable ⁇ -sulfoester, in particular those of fatty acids having 8 to 22 C-atoms, preferably 12 to 18 C-atoms, and linear alcohols having 1 to 6 C-atoms, preferably 1 to 4 C. -Atomen, derivative sulfonation products, as well as the formal saponification resulting from these sulfo fatty acids.
  • soaps suitable being saturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid or stearic acid, and soaps derived from natural fatty acid mixtures, for example coconut, palm kernel or tallow fatty acids.
  • those soap mixtures are preferred which are composed of 50% to 100% by weight of saturated C 12 -C 18 fatty acid soaps and up to 50% by weight of oleic acid soap.
  • soap is included in amounts of from 0.1% to 5% by weight.
  • higher amounts of soap as a rule up to 20% by weight, can also be present.
  • compositions may also contain betaines and / or cationic surfactants, which, if present, are preferably used in amounts of 0.5% by weight to 7% by weight.
  • betaines and / or cationic surfactants which, if present, are preferably used in amounts of 0.5% by weight to 7% by weight.
  • esterquats discussed below are particularly preferred.
  • the composition contains water-soluble and / or water-insoluble builder, in particular selected from alkali metal aluminosilicate, crystalline alkali metal silicate with modulus above 1, monomeric polycarboxylate, polymeric polycarboxylate and mixtures thereof, in particular in amounts ranging from 2.5 wt .-% to 60 wt .-%.
  • water-soluble and / or water-insoluble builder in particular selected from alkali metal aluminosilicate, crystalline alkali metal silicate with modulus above 1, monomeric polycarboxylate, polymeric polycarboxylate and mixtures thereof, in particular in amounts ranging from 2.5 wt .-% to 60 wt .-%.
  • the agent preferably contains from 20% to 55% by weight of water-soluble and / or water-insoluble, organic and / or inorganic builders.
  • the water-soluble organic builder substances include, in particular, those from the class of the polycarboxylic acids, in particular citric acid and sugar acids, and the polymeric (poly) carboxylic acids, in particular the polycarboxylates of the international, which are obtainable by oxidation of polysaccharides Patent Application WO 93/16110 , polymeric acrylic acids, methacrylic acids, maleic acids and mixed polymers of these, which are also low
  • Particles of polymerizable substances without carboxylic acid functionality may contain polymerized.
  • the molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5000 and 200,000, that of the copolymers between 2000 and 200,000, preferably 50,000 to 120,000, based on the free acid.
  • a particularly preferred acrylic acid-maleic acid copolymer has a molecular weight of 50,000 to 100,000.
  • Suitable, although less preferred, compounds of this class are copolymers of acrylic or methacrylic acid with vinyl ethers, such as vinylmethyl ethers, vinyl esters, ethylene, propylene and styrene, in which the acid content is at least 50% by weight.
  • 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, with maleic acid being particularly preferred.
  • the third monomeric unit is formed in this case of vinyl alcohol and / or preferably an esterified vinyl alcohol.
  • vinyl alcohol derivatives which are an ester of short-chain carboxylic acids, for example C 1 -C 4 carboxylic acids, with vinyl alcohol.
  • Preferred terpolymers contain 60 wt .-% to 95 wt .-%, in particular 70 wt .-% to 90 wt .-% of (meth) acrylic acid or (meth) acrylate, particularly preferably acrylic acid or acrylate, and maleic acid or Maleinate and 5 wt .-% to 40 wt .-%, preferably 10 wt .-% to 30 wt .-% of vinyl alcohol and / or vinyl acetate.
  • the second acidic monomer or its salt can also be a derivative of an allylsulfonic acid which is in the 2-position with an alkyl radical, preferably with 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 from 40% by weight to 60% by weight, in particular from 45 to 55% by weight.
  • This carbohydrate may be, for example, a mono-, di-, oligo- or polysaccharide, mono-, di- or oligosaccharides being preferred, sucrose being particularly preferred.
  • the use of the third monomer presumably incorporates predetermined breaking points in the polymer which are responsible for the good biodegradability of the polymer.
  • These terpolymers can be prepared in particular by processes described in the German patent DE 42 21 381 and the German patent application DE 43 00 772 are generally and have a molecular weight of between 1000 and 200,000, preferably between 200 and 50,000 and in particular between 3000 and 10,000. They may, in particular for the adjustment of liquid agents, be used in the form of aqueous solutions, preferably in the form of 30 to 50 weight percent aqueous solutions. All the polycarboxylic acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.
  • Such organic builder substances are preferably present in amounts of up to 40% by weight, in particular up to 25% by weight and particularly preferably from 1% by weight to 5% by weight. Quantities close to the stated upper limit are preferably used in pasty or liquid, in particular hydrous, agents.
  • Crystalline or amorphous alkali metal aluminosilicates in amounts of up to 50% by weight, preferably not more than 40% by weight, and in liquid agents, in particular from 1% by weight to 5% by weight, are particularly suitable as water-insoluble, water-dispersible inorganic builder materials.
  • the detergent-grade crystalline aluminosilicates especially zeolite NaA and optionally NaX, are preferred. Amounts near the above upper limit are preferably used in solid, particulate agents.
  • suitable aluminosilicates have no particles with a particle size greater than 30 mm and preferably consist of at least 80% by weight of particles having a size of less than 10 mm.
  • Suitable substitutes or partial substitutes for the said aluminosilicate are crystalline alkali silicates which may be present alone or in a mixture with amorphous silicates.
  • the alkali metal silicates useful as builders in the compositions preferably have a molar ratio of alkali metal oxide to SiO 2 below 0.95, in particular from 1: 1.1 to 1:12, and may be present in amorphous or crystalline form.
  • Preferred alkali metal silicates are the sodium silicates, in particular the amorphous sodium silicates, with a molar ratio of Na 2 O: SiO 2 of 1: 2 to 1: 2.8.
  • Such amorphous alkali silicates are commercially available, for example, under the name Portil®.
  • Those with a molar ratio Na 2 O: SiO 2 of 1: 1.9 to 1: 2.8 can be prepared by the process of European patent application EP 0 425 427 getting produced. They are preferably added in the course of the production as a solid and not in the form of a solution.
  • the crystalline silicates which may be present alone or in admixture with amorphous silicates, are crystalline layer silicates with the general formula Na 2 Si x O 2x-1 ⁇ yH 2 O are used in which x, the so-called module, a number from 1.9 to 4 and y is a number from 0 to 20 and preferred values for x are 2, 3 or 4.
  • Crystalline layered silicates which fall under this general formula are described, for example, in the European patent application EP 0 164 514 described.
  • Preferred crystalline phyllosilicates are those in which x in the abovementioned general formula assumes the values 2 or 3.
  • both ⁇ - and ⁇ -sodium disilicates are preferred, whereby ⁇ -sodium disilicate can be obtained, for example, by the process described in International Patent Application WO 91/08171 is described.
  • ⁇ -Sodium silicates with a modulus between 1.9 and 3.2 can according to Japanese Patent Applications JP 04/238 809 or JP 04/260 610 getting produced.
  • Also prepared from amorphous alkali metal silicates practically anhydrous crystalline alkali metal silicates of the above general formula in which x is a number from 1.9 to 2.1, preparable as in the European patent applications EP 0 548 599 .
  • EP 0 502 325 and EP 0 425 428 can be used in agents which contain a polymer according to the invention.
  • a crystalline sodium layer silicate with a modulus of 2 to 3 is used, as it is by the process of European patent application EP 0 436 835 made from sand and soda.
  • Crystalline sodium silicates with a module in the range of 1.9 to 3.5, as per the procedures of European patents EP 0 164 552 and / or the European patent application EP 0 294 753 are available are used in a further preferred embodiment of detergents which contain a cellulose derivative used in the invention.
  • alkali metal silicates are preferably 1 wt .-% to 50 wt .-% and in particular 5 wt .-% to 35 wt .-%, based on anhydrous active substance. If alkali metal aluminosilicate, in particular zeolite, is present as an additional builder substance, the content of alkali silicate is preferably 1% by weight to 15% by weight and in particular 2% by weight to 8% by weight, based on anhydrous active substance.
  • the weight ratio of aluminosilicate to silicate, in each case based on anhydrous active substances, is then preferably 4: 1 to 10: 1. In agents containing both amorphous and crystalline alkali metal silicates, the weight ratio of amorphous alkali metal silicate to crystalline alkali metal silicate is preferably 1: 2 to 2: 1 and especially 1: 1 to 2: 1.
  • inorganic builder In addition to the mentioned inorganic builder, other water-soluble or water-insoluble inorganic substances may be contained in the compositions which contain a cellulose derivative to be used according to the invention together with it or used in processes according to the invention. Suitable in this context are the alkali metal carbonates, alkali metal bicarbonates and alkali metal sulfides and mixtures thereof. Such additional inorganic material may be present in amounts up to 70% by weight.
  • agents containing a cellulose derivative used according to the invention contain up to 1% by weight, in particular 0.01% by weight to 0.5% by weight, of optical brighteners, in particular compounds from the class of the substituted 4,4'-bis (2.4.
  • 6-triamino-s-triazinyl) -stilbene-2,2'-disulfonic acids up to 5 wt .-%, in particular 0.1 wt .-% to 2 wt .-% complexing agent for heavy metals, especially Aminoalkylenphosphonklaren and salts thereof and up to 2 wt .-%, in particular 0.1 wt .-% to 1 wt .-% foam inhibitors, wherein said weight fractions refer to the total agent ,
  • Solvents which can be used in particular for liquid agents are, in addition to water, preferably those which are water-miscible. These include the lower alcohols, for example, ethanol, propanol, isopropanol, and the isomeric butanols, glycerol, lower glycols, such as ethylene and propylene glycol, and the derivable from said classes of compounds ether.
  • the cellulose derivatives used in the invention are usually dissolved or in suspended form.
  • Optionally present enzymes are preferably selected from the group comprising protease.
  • proteases derived from microorganisms such as bacteria or fungi, come into question. It can be obtained in a known manner by fermentation processes from suitable microorganisms, for example, in the German Offenlegungsschriften DE 19 40 488 . DE 20 44 161 . DE 21 01 803 and DE 21 21 397 , the US patents US Pat. No.
  • EP 218 272 or EP 204 284 or the international patent application WO 90/10695 described from Fusarium species, such as in the European patent application EP 130 064 described from Rhizopus species, such as in the European patent application EP 117 553 described or from Aspergillus species, such as in the European patent application EP 167,309 be described.
  • Suitable lipases are commercially available, for example, under the names Lipolase®, Lipozym®, Lipomax®, Lipex®, Amano® lipase, Toyo-Jozo® lipase, Meito® lipase and Diosynth® lipase.
  • Suitable amylases are commercially available, for example, under the names Maxamyl®, Termamyl®, Duramyl® and Purafect® OxAm.
  • the usable cellulase may be a recoverable from bacteria or fungi enzyme, which has a pH optimum, preferably in the weakly acidic to slightly alkaline range of 6 to 9.5.
  • Cellulases of this type are known, for example, from German Offenlegungsschriften DE 31 17 250 . DE 32 07 825 . DE 32 07 847 . DE 33 22 950 or the European patent applications EP 265 832 . EP 269 977 . EP 270 974 .
  • EP 273 125 such as EP 339,550 and international patent applications WO 95/02675 and WO 97/14804 known and commercially available under the names Celluzyme®, Carezyme® and Ecostone®.
  • the customary enzyme stabilizers which may be present, in particular in liquid agents, include amino alcohols, for example mono-, di-, triethanol- and -propanolamine and mixtures thereof, lower carboxylic acids, for example from the European patent applications EP 376,705 and EP 378,261 Boric acid or alkali borates, boric acid-carboxylic acid combinations, such as from the European patent application EP 451 921 known, boric acid esters, such as from the international patent application WO 93/11215 or the European patent application EP 511 456 known boronic acid derivatives, such as from the European patent application EP 583 536 known, calcium salts, for example from the European patent EP 28,865 known Ca-formic acid combination, magnesium salts, such as from the European patent application EP 378 262 known, and / or sulfur-containing reducing agents, such as from the European patent applications EP 080 748 or EP 080 223 known.
  • amino alcohols for example mono-, di-, triethanol- and -propano
  • Suitable foam inhibitors include long-chain soaps, especially behen soap. Fatty acid amides. Paraffins, waxes. Microcrystalline waxes. Organopolysiloxanes and mixtures thereof, the moreover microfine, optionally silanated or otherwise hydrophobized silica may contain.
  • foam inhibitors are preferably bound to granular, water-soluble carrier substances, as for example in the German Offenlegungsschrift DE 34 36 194 , the European patent applications EP 262 588 . EP 301 414 . EP 309 931 or the European patent specification EP 150 386 described.
  • an agent which is incorporated into the cellulose derivative to be used according to the invention is particulate and contains up to 25% by weight, in particular 5% by weight to 20% by weight, of bleaching agent, in particular alkali percarbonate, up to 15% by weight.
  • % in particular from 1% by weight to 10% by weight of bleach activator, from 20% by weight to 55% by weight of inorganic builder, up to 10% by weight, in particular from 2% by weight to 8% by weight % water-soluble organic builder, 10 wt.% to 25 wt.% of synthetic anionic surfactant, 1 wt.% to 5 wt.% of nonionic surfactant and up to 25 wt.%, in particular 0.1 wt 25 wt .-% of inorganic salts, in particular alkali carbonate and / or bicarbonate.
  • an agent which is incorporated into the cellulose derivative to be used according to the invention is liquid and contains 10% by weight to 25% by weight, in particular 12% by weight to 22.5% by weight, of nonionic surfactant, 2 wt .-% to 10 wt .-%, in particular 2.5 wt .-% to 8 wt .-% synthetic anionic surfactant, 3 wt .-% to 15 wt .-%, in particular 4.5 wt .-% bis 12.5 wt .-% soap, 0.5 wt .-% to 5 wt .-%, in particular 1 wt .-% to 4 wt .-% organic builder, in particular polycarboxylate such as citrate, up to 1.5 wt.
  • nonionic surfactant 2 wt .-% to 10 wt .-%, in particular 2.5 wt .-% to 8 wt .-% synthetic anionic surfactant, 3 wt
  • wt .-% In particular 0.1 wt .-% to 1 wt .-% complexing agent for heavy metals, such as phosphonate, and in addition to optionally contained enzyme, enzyme stabilizer, color and / or perfume water and / or water-miscible solvent.
  • heavy metals such as phosphonate
  • polyester-active soil release polymers which can be used in addition to the cellulosic derivatives essential to the invention include copolyesters of dicarboxylic acids, for example adipic acid, phthalic acid or terephthalic acid, diols, for example ethylene glycol or propylene glycol, and polydiols, for example polyethylene glycol or polypropylene glycol.
  • dicarboxylic acids for example adipic acid, phthalic acid or terephthalic acid
  • diols for example ethylene glycol or propylene glycol
  • polydiols for example polyethylene glycol or polypropylene glycol.
  • Preferred soil release polymers include those compounds which are formally accessible by esterification of two monomeric moieties, wherein the first monomer is a dicarboxylic acid HOOC-Ph-COOH and the second monomer is a diol HO- (CHR 11 -) a OH, also known as polymeric Diol H- (O- (CHR 11 -) a ) b OH may be present.
  • Ph is an o-, m- or p-phenylene radical which can carry 1 to 4 substituents selected from alkyl radicals having 1 to 22 C atoms, sulfonic acid groups, carboxyl groups and mixtures thereof
  • R 11 denotes hydrogen
  • a is a number from 2 to 6
  • b is a number from 1 to 300.
  • the molar ratio of monomer diol units to polymer diol units is preferably 100: 1 to 1: 100, in particular 10: 1 to 1:10.
  • the degree of polymerization b is preferably in the range of 4 to 200, especially 12 to 140.
  • the molecular weight or the average molecular weight or the maximum molecular weight distribution of preferred soil release polyester is in the range of 250 to 100,000, especially 500 to 50,000
  • the acid underlying the remainder Ph is preferably from terephthalic acid, isophthalic acid. Phthalic acid, trimellitic acid, mellitic acid, the isomers of sulfophthalic acid, sulfoisophthalic acid and sulfoterephthalic acid and mixtures thereof.
  • acids having at least two carboxyl groups be included in the soil release-capable polyester.
  • alkylene and alkenylene dicarboxylic acids such as malonic acid, succinic acid, fumaric acid. Maleic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid and sebacic acid.
  • the preferred diols HO- (CHR 11 -) a OH include those in which R 11 is hydrogen and a is a number from 2 to 6, and those in which a is 2 and R 11 is hydrogen and the alkyl radicals 1 to 10, in particular 1 to 3C atoms is selected.
  • R 11 is hydrogen and a is a number from 2 to 6
  • R 11 is hydrogen and the alkyl radicals 1 to 10, in particular 1 to 3C atoms is selected.
  • those of the formula HO-CH 2 -CHR 11 -OH in which R 11 has the abovementioned meaning are particularly preferred.
  • diol components are ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,2-decanediol. 1,2-dodecanediol and neopentyl glycol.
  • Particularly preferred among the polymeric diols is polyethylene glycol having an average molecular weight in the range of 1000 to 6000.
  • the polyesters synthesized as described above may also be end-capped, alkyl groups having 1 to 22 carbon atoms and esters of monocarboxylic acids being suitable as end groups.
  • the ester groups bound by end groups alkyl, alkenyl and Arylmonocarbonklaren with 5 to 32 carbon atoms, in particular 5 to 18 carbon atoms, based.
  • valeric acid Caproic acid, enanthic acid, caprylic acid, pelargonic acid.
  • Stearic acid petroselinic acid, petroselaidic acid, oleic acid, linoleic acid, linoleic acid. Linolenic acid, elaeostearic acid, arachidic acid. Gadoleic acid, arachidonic acid, behenic acid, erucic acid, brasidic acid, clupanodonic acid, lignoceric acid, cerotic acid, melissic acid, benzoic acid, which may carry 1 to 5 substituents having a total of up to 25 carbon atoms, in particular 1 to 12 carbon atoms, for example tert-butylbenzoic acid.
  • the end groups may also be based on hydroxymonocarboxylic acids having 5 to 22 carbon atoms, which include, for example, hydroxyvaleric acid, hydroxycaproic acid, ricinoleic acid, their hydrogenation product hydroxystearic acid, and o-, m- and p-hydroxybenzoic acid.
  • the hydroxymonocarboxylic acids can in turn via their hydroxyl group and its carboxyl group be connected to each other and thus present multiple times in an end group.
  • the number of hydroxymonocarboxylic acid units per end group is in the range from 1 to 50, in particular from 1 to 10.
  • the soil release polymers are preferably water-soluble, the term "water-soluble” being understood to mean a solubility of at least 0.01 g, preferably at least 0.1 g, of the polymer per liter of water at room temperature and pH 8.
  • preferred polymers have a solubility of at least 1 g per liter, in particular at least 10 g per liter, under these conditions.
  • Preferred laundry aftertreatment compositions containing a cellulose derivative to be used according to the invention have, as a laundry softening active ingredient, a so-called esterquat, that is to say a quaternized ester of carboxylic acid and aminoalcohol.
  • esterquat that is to say a quaternized ester of carboxylic acid and aminoalcohol.
  • Ester quats preferred in the compositions are quaternized fatty acid triethanolamine ester salts which follow formula (I).
  • R 1 CO for an acyl radical having 6 to 22 carbon atoms
  • R 2 and R 3 are independently hydrogen or R'CO
  • R 4 is an alkyl radical having 1 to 4 carbon atoms or a (CH 2 CH 2 O) q H Group
  • m, n and p in total are 0 or numbers from 1 to 12
  • q is numbers from 1 to 12
  • X is a charge-balancing anion such as halide, alkyl sulfate or alkyl phosphate.
  • esterquats which can be used in the context of the invention are products based on caproic acid, caprylic acid, capric acid, lauric acid, myristic acid. Palmitic acid, isostearic acid, stearic acid, oleic acid, elaidic acid, arachidic acid, behenic acid and erucic acid and their technical mixtures, as obtained for example in the pressure splitting of natural fats and oils.
  • technical C 12/18 coconut fatty acids and, in particular, partially hydrogenated C 16/18 tallow or palm oil fatty acids and also elaidic acid-rich C 16/18 fatty acid cuts are used.
  • the fatty acids and the triethanolamine can generally be used in a molar ratio of 1.1: 1 to 3: 1.
  • an employment ratio of 1.2: 1 to 2.2: 1, preferably 1.5: 1 to 1.9: 1 has proven to be particularly advantageous.
  • the preferred esterquats used are technical mixtures of mono-, di- and triesters having an average degree of esterification of 1.5 to 1.9 and are derived from technical C 16/18 tallow or palm oil fatty acid (iodine number 0 to 40) , Quaternized fatty acid triethanolamine ester salts of the formula (I) in which R 1 is CO for an acyl radical having 16 to 18 carbon atoms, R 2 is R 1 CO, R 3 is hydrogen, R 4 is a methyl group, m, n and p is 0 and X is Methyl sulfate is, have proven to be particularly advantageous.
  • suitable esterquats are quaternized ester salts of carboxylic acids with diethanolalkylamines of the formula (II), in the R 1 CO for an acyl radical having 6 to 22 carbon atoms.
  • R 2 is hydrogen or R 1 is CO
  • R 4 and R 5 are independently alkyl of 1 to 4 carbon atoms
  • m and n are 0 or integers of 1 to 12
  • X is a charge-balancing anion such as halide, alkyl sulfate or alkyl phosphate ,
  • esterquats for an acyl radical having 6 to 22 carbon atoms
  • R 2 is hydrogen or R 1 CO
  • R 4 , R 6 and R 7 are independently alkyl radicals having 1 to 4 carbon atoms, m and n in total for 0 or numbers from 1 to 12 and X for a charge-balancing anion such as halide.
  • esterquats of the formulas (II) and (III).
  • the esterquats are marketed in the form of 50 to 90 weight percent alcoholic solutions, which can also be easily diluted with water, with ethanol, propanol and isopropanol being the usual alcoholic solvents.
  • Esterquats are preferably used in amounts of from 5% by weight to 25% by weight, in particular from 8% by weight to 20% by weight, in each case based on the total laundry aftertreatment agent.
  • the laundry aftertreatment agents used according to the invention may additionally comprise the above-mentioned detergent ingredients. Unless they interact unacceptably with the esterquat. It is preferably a liquid, water-containing agent.
  • Optical brightener, manufacturer Ciba and detergents which were otherwise identically composed and which, while reducing the amount of water, were 1% by weight of methyl carboxypropylcellulose having a mean degree of methylation 1.90 and a mean degree of carboxyalkylation of 0.01 (W1), 1% by weight of methyl-carboxyethylcellulose with a mean degree of methylation 1 , 90 and average degree of carboxyalkylation 0.09 (W2) or 1% by weight of methyl-carboxyethylcellulose having a mean degree of methylation 1.56 and average carboxy
  • the cellulose ethers used were obtained by reacting cellulose with chloromethane and then the corresponding chloroalanecarboxylic acid: their molecular weights were 78,000 D.
  • Cotton fabrics were treated as follows: Wiping device: Miele W 918 Novotronic® Primary washing power: Single-lye procedure normal program Washing temperature: 40 ° C Fleet size: 151 Water hardness: 16 ° dH filling laundry: 3.5 kg of clean laundry Determination: 3 times
  • the soiled tissues were measured with a Minolta® CR 200 and then aged at RT for 7 days. Thereafter, the soiled cloths were stapled on towels and washed under the conditions given above.
  • Example 1 washing experiments were carried out, now containing a particulate detergent V2, containing SECTION 11% by weight C 13/15 7 EO 3% by weight sodium 20% by weight sodium 5% by weight sodium sulphate 25% by weight sodium silicate 5% by weight sodium 13% by weight TAED 5% by weight Sodium polyacrylate 4.5% by weight Enzyme a) 3.5% by weight water to 100% by weight a) granular combination of protease.
  • Amylase and cellulase and detergents which were otherwise identically composed and which, while reducing the amount of sodium sulfate, were 1% by weight of methyl carboxypropylcellulose having a mean degree of methylation 1.90 and an average degree of carboxyalkylation of 0.01 (W4).

Abstract

La capacité de nettoyage lors du lavage de textiles qui sont constitués par du coton ou qui contiennent du coton, devrait être améliorée. On y parvientessentiellement par l'incorporation d'un dérivé de cellulose, qui contient en moyenne 0,4 à 2,7 groupes alkyle et 0,001 à 0,3 groupe carboxyalkyle par unité de monomère anhydroglucose.

Claims (12)

  1. Utilisation d'un dérivé de cellulose apte à détacher les salissures, qui peut être obtenu par alkylation et carboxyalkylation de cellulose, pour le renforcement de la puissance de nettoyage de détergents lors du lavage de textiles, qui sont en coton ou qui contiennent du coton, le dérivé de cellulose contenant en moyenne 0,4 à 2,7 groupes alkyle et 0,001 à 0,3 groupe carboxyalkyle par unité monomère d'anhydroglycose.
  2. Utilisation selon la revendication 1, caractérisée en ce que les textiles ont déjà été lavés et/ou post-traités en présence du dérivé de cellulose, avant qu'ils ne reçoivent les salissures.
  3. Utilisation selon la revendication 1, caractérisée en ce qu'on utilise le dérivé de cellulose en combinaison avec un polymère apte à détacher les salissures actif pour le polyester constitué par un acide dicarboxylique et un diol le cas échéant polymère.
  4. Utilisation selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le dérivé de cellulose est alkylé avec des groupes en C1-C10, en particulier en C1-C3 et porte en outre des groupes C1-C10-carboxyalkyle, en particulier des groupes C1-C4-carboxyalkyle.
  5. Utilisation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le dérivé de cellulose contient en moyenne 0,5 à 2,5, en particulier 1 à 2 groupes alkyle et 0,002 à 0,2, en particulier 0,005 à 0,1 groupe carboxyalkyle par unité monomère d'anhydroglycose.
  6. Utilisation selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la masse molaire moyenne du dérivé de cellulose se situe dans la plage de 10 000 D à 150 000 D, en particulier de 40 000 D à 120 000 D et de manière particulièrement préférée dans la plage de 70 0000 à 110 000 D.
  7. Utilisation selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le détergent contient 5% en poids à 70% en poids d'agent de blanchiment à base de peroxygène ainsi que le cas échéant un activateur de blanchiment, en particulier en des quantités dans la plage de 2% en poids à 10% en poids.
  8. Procédé pour le lavage de textiles qui sont en coton ou qui contiennent du coton, dans lequel on utilise un détergent et un dérivé de cellulose apte à détacher les salissures, qui peut être obtenu par alkylation et carboxyalkylation de cellulose, le dérivé de cellulose contenant en moyenne 0,4 à 2,7 groupes alkyle et 0,001 à 0,3 groupe carboxyalkyle par unité monomère d'anhydroglycose.
  9. Procédé selon la revendication 8, caractérisé en ce que le textile est mis en contact, après le processus de lavage en soi, qui est réalisé à l'aide d'un détergent contenant en particulier un agent de blanchiment, avec un agent de post-traitement, qui contient le dérivé de cellulose.
  10. Procédé selon la revendication 9, caractérisé en ce qu'on utilise un agent de post-traitement du linge, qui contient le dérivé de cellulose apte à détacher les salissures et un esterquat.
  11. Procédé selon la revendication 10, caractérisé en ce que l'agent contient l'esterquat en des quantités de 5% en poids à 25% en poids, en particulier de 8% en poids à 20% en poids.
  12. Procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce que l'agent contient le dérivé de cellulose en des quantités de 0, 1 % en poids à 2% en poids, en particulier de 0,5% en poids à 1% en poids.
EP07765614A 2006-08-25 2007-06-26 Détergents contenant un dérivé de cellulose à pouvoir de décollement des salissures, actif sur le coton Active EP2054495B1 (fr)

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WO2014200658A1 (fr) 2013-06-13 2014-12-18 Danisco Us Inc. Alpha-amylase issue de promicromonospora vindobonensis
WO2014200656A1 (fr) 2013-06-13 2014-12-18 Danisco Us Inc. Alpha-amylase provenant de streptomyces umbrinus
WO2014204596A1 (fr) 2013-06-17 2014-12-24 Danisco Us Inc. Alpha-amylase issue d'un membre de la famille des bacillaceae
WO2015050723A1 (fr) 2013-10-03 2015-04-09 Danisco Us Inc. Alpha-amylases provenant de exiguobacterium, méthodes d'utilisation de celles-ci
WO2015050724A1 (fr) 2013-10-03 2015-04-09 Danisco Us Inc. Alpha-amylases faisant partie d'un sous-ensemble d'exiguobacterium, et procédés d'utilisation correspondants
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DE102006039873B4 (de) 2013-10-31
WO2008022827A1 (fr) 2008-02-28
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