WO2016096575A1 - Agent de traitement de textiles à suppression améliorée des taches - Google Patents

Agent de traitement de textiles à suppression améliorée des taches Download PDF

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Publication number
WO2016096575A1
WO2016096575A1 PCT/EP2015/079146 EP2015079146W WO2016096575A1 WO 2016096575 A1 WO2016096575 A1 WO 2016096575A1 EP 2015079146 W EP2015079146 W EP 2015079146W WO 2016096575 A1 WO2016096575 A1 WO 2016096575A1
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WO
WIPO (PCT)
Prior art keywords
cleaning
cellulase
washing
pretreatment agent
liquid washing
Prior art date
Application number
PCT/EP2015/079146
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German (de)
English (en)
Inventor
Martina Seiler
Doris Dahlmann
Sheila Edwards
Eva-Maria Wikker
Original Assignee
Henkel Ag & Co. Kgaa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel Ag & Co. Kgaa filed Critical Henkel Ag & Co. Kgaa
Publication of WO2016096575A1 publication Critical patent/WO2016096575A1/fr

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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic 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
    • C11D3/38—Products with no well-defined composition, e.g. natural products
    • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38645—Preparations containing enzymes, e.g. protease or amylase containing cellulase

Definitions

  • the present invention relates to a liquid washing, cleaning or pretreatment agent for textiles. Surprisingly, it was found that even with low surfactant content with the help of certain enzymes a good washing effect can be achieved.
  • liquid detergents are becoming increasingly important in commerce.
  • commercial liquid detergents have hitherto no bleach systems, since they can not be integrated here in a storage-stable manner.
  • the cleaning performance of liquid detergents often fails to keep up with that of solid detergents.
  • bleach-sensitive stains should be well removed, without, however, bleach, such as contained in solid detergents, being a constituent of the liquid detergent.
  • white textiles should be preserved even with more frequent washes in white textiles, a graying should not occur.
  • the object underlying the present invention is achieved at least by the first subject of the invention, namely by a liquid washing, cleaning or pretreatment agent for textiles, comprising at least one anionic surfactant in a proportion of 1% by weight to 10% by weight. , at least one nonionic surfactant in a proportion of 1 wt .-% to 10 wt .-% and at least one cellulase.
  • the amounts in the present application are usually in wt .-%, ie in percent by weight of the respective active substance. % By weight (unless otherwise defined) based on the total weight of the composition containing the active ingredient. Active substance here means the proportion which is active in the composition according to the invention, that is to say is effective. If ranges are specified, then the values in between are to be regarded as disclosed.
  • textiles are in particular textile fabrics, such as, for example, clothing, bath or laundry textiles. These may include natural and / or synthetic fibers such as silk, linen, cotton, polyester, polyamide or acetate fibers. The fibers can be treated or untreated. Furthermore, such textile fabrics are comprised, which consist of woven or non-woven materials such as felts or nonwovens.
  • a liquid detergent according to the invention comprises at least one anionic surfactant in a proportion of 1 to 10% by weight and at least one nonionic surfactant in an amount of 1 to 10% by weight.
  • the washing, cleaning or pretreatment agent according to the invention is preferably free of bleach.
  • the liquid composition according to the invention contains at least one cellulase.
  • a cellulase is an enzyme.
  • synonymous terms may be used, in particular endoglucanase, endo-1, 4-beta-glucanase, carboxymethylcellulase, endo-1, 4-beta-D-glucanase, beta-1, 4-glucanase, beta-1, 4-endoglucan hydrolase , Celludextrinase or Avicelase.
  • Crucial for determining whether an enzyme is a cellulase according to the invention is its ability to hydrolyze 1, 4-.beta.-D-glucosidic bonds in cellulose.
  • Cellulases (endoglucanases, EG) which can be synthesized according to the invention comprise, for example, the fungal cellulase preparation rich in endoglucanase (EG) or its further developments, which is offered by the company Novozymes under the trade name Celluzyme®. Endolase® and Carezyme®, also available from Novozymes, are based on the 50 kD EG or 43 kD EG from Humicola insolens DSM 1800. Further commercial products of this company are Cellusoft®, Renozyme® and Celluclean®.
  • cellulases available from the company AB Enzymes, Finland, under the trade names Ecostone® and Biotouch®, which are based, at least in part, on the 20 kD-EG of melanocarpus.
  • Other cellulases from AB Enzymes are Econase® and Ecopulp®.
  • Other suitable cellulases are from Bacillus sp. CBS 670.93 and CBS 669.93, those derived from Bacillus sp. CBS 670.93 is available from the company Danisco / Genencor under the trade name Puradax®.
  • Other usable commercial products of the company Danisco / Genencor are "Genencor detergent cellulase L" and lndiAge®Neutra.
  • variants of these enzymes obtainable by point mutations can be used according to the invention.
  • Particularly preferred cellulases are Thielavia terrestris cellulase variants disclosed in International Publication WO 98/12307, cellulases from Melanocarpus, especially Melanocarpus albomyces, disclosed in International Publication WO 97/14804, EGIII type cellulases from Trichoderma reesei disclosed in European patent application EP 1 305 432 or variants obtainable therefrom, in particular those disclosed in European patent applications EP 1240525 and EP 1305432, as well as cellulases disclosed in international laid-open publications WO 1992006165, WO 96 / 29397 and WO 02/099091.
  • the respective disclosure is therefore expressly referred to, or the disclosure content of which in this respect is therefore expressly included in the present patent application.
  • Washing, cleaning or pretreatment agents which are particularly preferred according to the invention are characterized in that at least one cellulase from Melanocarpus sp. or Myriococcum sp. 20K cellulase or those having homology in excess of 80% (more preferably greater than 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 90%) , 5%, 91%, 91, 5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95%, 95.5%, 96%, 96.5 %, 97%, 97.5%, 98%, 98.5%, 99.0%, 99, 1%, 99.2%, 99.3%, 99.4%, 99.5%, 99, 6%, 99.7%, 99.8%, 99.9%).
  • the from Melanocarpus sp. or Myriococcum sp. Available 20K cellulase is known from international patent application WO 97/14804. It has as described there a molecular weight of about 20 kDa and has at 50 ° C in the pH range of 4 to 9 at least 80% of their maximum activity, while still maintaining almost 50% of the maximum activity at pH 10. It can, as also described there, be isolated from Melanocarpus albomyces and produced in genetically engineered Trichoderma reseei transformants.
  • cellulases having a homology of greater than 80% (more preferably greater than 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%) %, 90.5%, 91%, 91, 5%, 92%, 92.5%, 93%, 93.5%, 94%, 94.5%, 95%, 95.5%, 96%, 96.5%, 97%, 97.5%, 98%, 98.5%, 99.0%, 99, 1%, 99.2%, 99.3%, 99.4%, 99.5% , 99.6%, 99.7%, 99.8%, 99.9%) to 20K cellulase.
  • K20 cellulase is preferably used in amounts such that a composition of the present invention has a cellulolytic activity of from 1 NCU / g to 500 NCU / g (determinable by the hydrolysis of 1 wt% carboxymethylcellulose at 50 ° C and neutral pH and determination of the reducing Sugar by dinitrosalicylic acid as described by MJ Bailey, et al., Enzyme Microb., Technol., 3: 153 (1981); 1 NCU defines the amount of enzyme which produces reducing sugars in an amount corresponding to 1 nmol of glucose per second), in particular 2 NCU / g to 400 NCU / g and more preferably from 6 NCU / g to 200 NCU / g.
  • the composition according to the invention may optionally contain further cellulases.
  • cellulases can be cellulases described in the art.
  • it is a cellulase which is obtainable from Humicola insolens (Humicola grisea var. Thermoidea) and in particular from the strain Humicola DSM 1800.
  • cellulases can be part of the liquid composition according to the invention, which have a molecular weight of 50 kDa and an isoelectic point of 5.5 at a number of 415 amino acids and are obtained from Humicola insolens.
  • Corresponding cellulases are described, for example, in WO 96/27649 A1.
  • the local disclosure on pages 4 and 5 under the heading "Cellulase enzymes" is expressly included in the present application.
  • the enzymes contained in a composition of the invention may be adsorbed to carriers and / or embedded in encapsulants to protect against premature inactivation.
  • compositions according to the invention may be added to the resulting enzymes in any form known in the art. These include in particular the solid preparations obtained by granulation, extrusion or lyophilization, advantageously as concentrated as possible, low in water and / or added with stabilizers.
  • the enzymes may also be encapsulated, for example by spray drying or extrusion of the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel, or in such Core-shell type in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
  • capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
  • granules for example by applying polymeric film-forming agent, low in dust and storage stable due to the coating.
  • the proportion of cellulase in the liquid washing, cleaning or pretreatment agent according to the invention is preferably in the range from 0.02 wt.% To 4 wt.%, In particular from 0.03 wt.% To 3 wt preferably from 0.04% by weight to 1% by weight.
  • Does the liquid washing, cleaning or pretreatment agent comprise less than 0.02% by weight On cellulase, so a sufficient cleaning effect as well as the positive influence on the whiteness, not observed with the naked eye. However, an improved cleaning effect is not observed when the proportion exceeds 4 wt .-%. Between 3 wt .-% and 4 wt .-% is observed only a very slight improvement.
  • the stains are removed in a proportion of 0.07 wt .-% cellulase such that it corresponds to the expectation of the consumer.
  • the protein concentration can be determined by known methods, for example the bicinchonic acid method (BCA method, Pierce Chemical Co., Rockford, IL) or the biuret method (Gornall AG, CS Bardawill and MM David, J. Biol. Chem. 177, 751-766, 1948).
  • the agent according to the invention can comprise an anionic surfactant or mixtures of different anionic surfactants.
  • a nonionic surfactant or mixtures of different nonionic surfactants may be included in the detergent of the invention.
  • the cleaning agent according to the invention preferably comprises a greater proportion of anionic surfactant than the fraction of nonionic surfactant. This is independent of whether only an anionic surfactant or mixtures thereof or whether only a nonionic surfactant or mixtures thereof are included.
  • anionic surfactant used are preferably sulfonates, sulfates, soaps, alkyl phosphates, anionic silicone surfactants and mixtures thereof.
  • surfactants of the sulfonate type are preferably C9-i3-alkylbenzenesulfonates, Olefinsulfonate, i. Mixtures of alkene and hydroxyalkanesulfonates and disulfonates, as obtained for example from Ci2-i8 monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation, into consideration.
  • C 12 -is alkanesulfonates and the esters of ⁇ -sulfo fatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • Alk (en) ylsulfates are the alkali metal salts and, in particular, the sodium salts of the sulfuric monoesters of C 12-18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 10 -C 20 oxo alcohols and those half esters secondary Alcohols of these chain lengths are preferred.
  • the Ci2-Ci6-alkyl sulfates and Ci2-Ci5-alkyl sulfates and Cw-cis-alkyl sulfates are preferred.
  • 2,3-alkyl sulfates are also suitable anionic surfactants.
  • sulfuric monoesters of ethoxylated with 1 to 6 moles of ethylene oxide straight or branched C7-2i alcohols such as 2-methyl-branched C9-11 alcohols having an average of 3.5 moles of ethylene oxide (EO) or Ci2-i8 fatty alcohols with 1 up to 4 EO, are suitable.
  • Suitable anionic surfactants are fatty acid soaps.
  • Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids.
  • the anionic surfactants and the soaps may be in the form of their sodium, potassium, magnesium or ammonium salts.
  • the anionic surfactants are in the form of their sodium salts.
  • Further preferred counterions for the anionic surfactants are also the protonated forms of choline, triethylamine, monoethanolamine or methylethylamine.
  • the liquid washing, cleaning or pretreatment agent according to the invention comprises at least one nonionic surfactant.
  • Nonionic surfactants in the context of the present application are, for example, fatty alcohol alkoxylates. These may have a linear or branched alkyl radical. The degree of alkoxylation is preferably 3 to 9 alkoxyl groups (AO) per mole of fatty alcohol.
  • Further nonionic surfactants are, for example, fatty alcohols with more than 12 EO (ethoxy groups). Examples include tallow fatty alcohol with 14EO, 25 EO, 30 EO or 40EO.
  • nonionic surfactants include alkoxylated fatty acid alkyl esters, fatty acid amides, alkyl polyglycosides, alkoxylated fatty acid amides, polyhydroxy fatty acid amides, N-methylglucamides, alkylphenol polyglycol ethers, amine oxides, and mixtures thereof.
  • anionic surfactant anionic surfactant
  • nonionic surfactant nonionic surfactant
  • the proportion of anionic surfactant is therefore preferably in the range from 1% by weight to 9% by weight, in particular from 1% by weight to 8% by weight, particularly preferably from 2% by weight to 7% by weight. %.
  • the proportion of nonionic surfactant in the range of 1 wt .-% to 8 wt .-%, in particular from 1 wt .-% to 6 wt .-%, particularly preferably from 1 wt .-% to 5 wt. %.
  • the liquid washing, cleaning or pretreatment agent according to the invention may further comprise citric acid.
  • citric acid preferably in the range of 0.1 wt .-% to 2.0 wt .-%, in particular from 0, 1 wt .-% to 0.9 wt .-%, particularly preferably from 0.1 wt % to 0.4% by weight.
  • the liquid washing, cleaning or pretreatment agent according to the invention preferably has a pH in the alkaline range. Preferably, it is in the range of 7.5 to 9.0 (20 ° C).
  • the washing, cleaning or pretreatment agent may comprise further cationic and / or zwitterionic surfactants.
  • the washing, cleaning or pretreatment agent preferably contains exclusively nonionic and anionic surfactants.
  • Optionally contained cationic and / or zwitterionic surfactants are described in detail in the literature and thus the skilled person well known.
  • the washing, cleaning or pretreatment in addition to the surfactants contain other ingredients that further improve the performance and / or aesthetic properties of the washing, cleaning or pretreatment.
  • the washing, cleaning or pretreatment agent preferably additionally contains one or more substances from the group of builders, enzymes, electrolytes, nonaqueous solvents, pH adjusters, perfume compositions, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils , Soil release polymers, grayness inhibitors, shrinkage inhibitors, wrinkle inhibitors, dye transfer inhibitors, other antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing aids, repellents and impregnating agents, swelling and anti-slip agents, softening components, skin care agents , Detergency-enhancing polymer ("booster polymers”) and UV absorbers.
  • Particularly preferred additional ingredients are builders, enzymes, electrolytes, nonaqueous solvents, pH adjusters, perfume compositions, fluorescers, dyes, hydrotopes, foam inhibitors, soil release polymers, grayness inhibitors, dye transfer inhibiting agents, plasticizing components, UV absorbers and mixtures thereof.
  • organic builders which may be present in the washing, cleaning or pretreatment agent in particular silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances may be mentioned.
  • Organic builders which may be present in the washing, cleaning or pretreatment agent are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function.
  • adipic acid succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), methylglycinediacetic acid (MGDA) and derivatives thereof, and mixtures thereof.
  • Preferred salts are the salts of polycarboxylic acids such as adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures thereof.
  • polymeric polycarboxylates are suitable. These are, for example, the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example, those having a molecular weight of 600 to 750,000 g / mol.
  • Suitable polymers are in particular polyacrylates, which preferably have a molecular weight of from 1,000 to 15,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molecular weights of from 1,000 to 10,000 g / mol, and particularly preferably from 1,000 to 5,000 g / mol, may again be preferred from this group.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
  • the polymers may also contain allylsulfonic acids, such as allyloxybenzenesulfonic acid and methallylsulfonic acid, as a monomer.
  • soluble builders for example acrylic polymers having a molar mass of from 1,000 to 5,000 g / mol, in the liquid detergents or cleaners.
  • the washing, cleaning or pretreatment agent according to the invention preferably has a flow limit.
  • the yield stress refers to the smallest stress (force per area) above which a plastic substance behaves rheologically like a liquid. It is therefore given in Pascal (Pa).
  • the yield strength of the composition according to the invention is in particular in the range from 0.1 to 1.0 Pa, preferably in the range from 0.2 to 0.9 Pa, in particular in the range from 0.3 to 0.8 Pa, at 25 ° C.
  • the yield point is determined according to the invention by measurement with a rheometer, in particular with an AR 1000-N rheometer from Texas Instruments, at a temperature of 25 ° C.
  • the rheometer AR 1000-N is an absolute measuring rheometer.
  • a washing, cleaning or pretreatment agent according to the invention may contain, as an additional ingredient, in particular if it has a flow limit, dispersed particles whose diameter along their greatest spatial extent is preferably 1 to 2000 ⁇ m.
  • particles may be capsules, abrasives as well as powders, granules or compounds of compounds which are insoluble in the washing, cleaning or pretreatment agent, with capsules being preferred.
  • capsule on the one hand understood aggregates with a core-shell structure and on the other hand aggregates with a matrix.
  • Core-shell capsules contain at least one solid or liquid core which is enclosed by at least one continuous shell, in particular a shell of polymer (s).
  • the capsules may include, for example, optical brighteners, surfactants, complexing agents, dyes and fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, graying inhibitors, anti redeposition agents, pH adjusters, electrolytes, detergency boosters, vitamins, proteins, foam inhibitors and UV Absorber are located.
  • the fillings of the capsules may be solids or liquids in the form of solutions or emulsions or suspensions.
  • the capsules may have any shape in the production-related framework, but they are preferably approximately spherical. Their diameter along their greatest spatial extent, depending on the components contained in their interior and the application between 1 ⁇ and 2000 ⁇ lie.
  • particles which have no core-shell structure but in which the active substance is distributed in a matrix of a matrix-forming material. Such particles are also referred to as "matrix particles”.
  • the matrix formation in these materials is, for example, via gelation, polyanion-polycation interactions or polyelectrolyte-metal ion interactions and is well known in the art as well as the production of particles with these matrix-forming materials.
  • An exemplary matrix-forming material is alginate.
  • an aqueous alginate solution which also contains the active substance to be enclosed or the active ingredients to be enclosed, is dripped off and then in a Hardened Ca 2+ ions or Al 3+ ions containing precipitating bath.
  • matrix-forming materials can be used instead of alginate.
  • the capsules can be stably dispersed in the liquid washing, cleaning or pretreatment agents.
  • Stable means that the detergents, cleaners or pretreatment agents are stable at room temperature for a period of at least 4 weeks, preferably at least 6 weeks, without the particles creaming or sedimenting in the composition.
  • the release of the active ingredients from the capsules is usually carried out by destruction of the shell or the matrix due to mechanical, thermal, chemical or enzymatic action.
  • liquid washing, cleaning or pretreatment contain capsules in which one or more fragrances are included.
  • the washing, cleaning or pretreatment agents according to the invention are liquid and preferably contain water as the main solvent.
  • nonaqueous solvents can be added to the washing, cleaning or pretreatment agent.
  • Suitable non-aqueous solvents include monohydric or polyhydric alcohols, alkanolamines or glycol ethers, in such a concentration range as to be miscible with water.
  • the solvents are preferably selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyldiglycol, butyldiglycol, hexyleneglycol, ethylene glycol methyl ether, ethylene glycol ethyl ether,
  • Ethylene glycol propyl ether ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether,
  • the washing, cleaning or pretreatment agent contains an alcohol, in particular ethanol and / or glycerol, in amounts of between 0.5 and 5% by weight, based on the total washing, cleaning or pretreatment agent.
  • the liquid washing, cleaning or pretreatment agent according to the invention may comprise, in addition to the cellulase, other enzymes known in the art or mixtures of enzymes such as amylase, lipase, protease or mannanase.
  • the preparation of the washing, cleaning or pretreatment agent according to the invention is carried out by means of customary and known methods and processes.
  • the Components of the washing, cleaning or pretreatment agent are mixed in stirred tanks, wherein water, non-aqueous solvent, acidic components and the at least one anionic surfactant and the at least one nonionic surfactant are presented. Subsequently, the other ingredients, preferably in portions added.
  • a second subject of the present invention relates to the use of the liquid washing, cleaning or pretreatment agent of the first subject of the invention (and the preferred embodiments mentioned therein) for the washing, cleaning and / or pretreatment of textiles.
  • a further subject of the present invention is a process for the treatment of textiles in which in at least one of the process steps, at least one textile is brought into contact with a treatment agent containing a liquid washing, cleaning or pretreatment agent of the first subject of the invention.
  • the treatment agent of the process according to the invention preferably corresponds in a process for the pretreatment of textiles to the composition of the first subject of the invention (as well as the preferred embodiments mentioned therein).
  • the agent of the first subject of the invention (and the preferred embodiments mentioned therein) is thus preferably applied directly to the textile as a pretreatment agent, preferably to particularly soiled regions of the textile.
  • the treatment agent of the process according to the invention is preferably prepared by mixing the agent of the first subject of the invention (and the preferred embodiments mentioned therein) and at least one further component (particularly preferably at least water).
  • composition of the present invention (EM 1) has cellulases, whereas the comparative composition (V 1) of the prior art does not comprise cellulases.
  • Active substance in the composition in% by weight
  • Citric acid 100 0,229 0.989448
  • Nonionic surfactant 100 3.33 3.0525
  • Antifoam 0.5-0.6 0.5-0.6 Dyes, brighteners,
  • a salad dressing which is available as a standard stain under the name "CFT CS06” (salad dressing with natural blackening on cotton, Center for Testmaterials, BV Viaardingen, the Netherlands), red wine and black Assam tea were applied to textile fabrics of cotton.
  • the stains are liquid stains. These were each incorporated with a sponge in the textile surface fabric.
  • the soils were dried and stored after drying the soiled textile fabric for a week. This storage was also carried out at room temperature.
  • the textile fabrics were cleaned in a standard washing machine in a standard program suitable for cooking and coloreds at a washing temperature of 40 ° C.

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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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  • Detergent Compositions (AREA)

Abstract

La présente invention concerne une lessive, un détergent ou un agent de prétraitement liquide pour des textiles. Il a été constaté, de manière surprenante, que même avec une teneur en tensioactif minime, il est possible d'obtenir un bon effet lavant avec un excellent degré de blanc à l'aide de cellulase.
PCT/EP2015/079146 2014-12-17 2015-12-09 Agent de traitement de textiles à suppression améliorée des taches WO2016096575A1 (fr)

Applications Claiming Priority (2)

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DE102014226293.3 2014-12-17
DE102014226293.3A DE102014226293A1 (de) 2014-12-17 2014-12-17 Waschmittel mit verbesserter Fleckentfernung

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WO1996027649A1 (fr) 1995-03-03 1996-09-12 The Procter & Gamble Company Composition pour le lavage du linge contenant des fixateurs des couleurs et une cellulase
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EP1305432A2 (fr) 2000-08-04 2003-05-02 Genencor International, Inc. Cellulase trichoderma reesei egiii mutante, adn codant pour de telles compositions d'egiii et methodes d'obtention
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