EP2970823B1 - Waschmittelzusammensetzung zum waschen bei niedrigen temperaturen - Google Patents

Waschmittelzusammensetzung zum waschen bei niedrigen temperaturen Download PDF

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Publication number
EP2970823B1
EP2970823B1 EP13709212.8A EP13709212A EP2970823B1 EP 2970823 B1 EP2970823 B1 EP 2970823B1 EP 13709212 A EP13709212 A EP 13709212A EP 2970823 B1 EP2970823 B1 EP 2970823B1
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EP
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Prior art keywords
detergent composition
acid
component
preferred
composition
Prior art date
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EP13709212.8A
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English (en)
French (fr)
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EP2970823A1 (de
Inventor
Chris GERECKE
Thomas Merz
Christina MOEHRING
Mauri PESQUERA
Simon UITERWAAL
Erwin VIANEN
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Ecolab USA Inc
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Ecolab USA Inc
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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
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic compounds
    • C11D3/3917—Nitrogen-containing 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the cleaning properties of the two-component color detergent composition for use at low temperature are predominantly determined by the at least one non-ionic surfactant.
  • the non-ionic alkoxylated alcohol surfactants provide for enhancing the cleaning properties of the detergent composition.
  • the non-ionic alkoxylated alcohol surfactants can be used to reduce surface tension, to wet the soil particulate in order to allow penetration of the detergent composition and to separate the soil from the laundry item washed with it.
  • Suitable non-ionic surfactants include the polyoxyethylene-polyoxypropylene condensates, which are sold by BASF under the trade name Pluronic®, polyoxy ethylene condensates of aliphatic alcohols/ethylene oxide condensates having from 1 to 30 moles of ethylene oxide per mole of coconut alcohol; ethoxylated long chain alcohols sold by Shell Chemical Co.
  • Neodol® polyoxyethylene condensates of sorbitan fatty acids, alkanolamides, such as the monoalkoanolamides, dialkanolamides and the ethoxylated alkanolamides, for example coconut monoethanolamide, lauric isopropanolamide and lauric diethanolamide, and amine oxides, for example dodecyldimethylamine oxide.
  • non-ionic surfactants include alkylphenol alkoxylates and amine oxides such as alkyl dimethylamine oxide or bis (2-hydroxyethyl)alkylamine oxide.
  • Suitable cationic surfactants include quaternary ammonium compounds having the formula of RR'R"R''N + X + , where R, R', R" and R'" independently from another represent a C 1 -C 24 alkyl, aryl or arylalkyl group that can optionally contain one or more P, O, S or N heteroatoms, and X is F, Cl, Br, I or an alkyl sulfate.
  • Additional preferred cationic surfactants include ethoxylated and/or propoxylated alkyl amines, diamines, or triamines.
  • the detergent composition according to the invention can be adjusted by adding the at least one source of alkalinity so that a pH-value of > 8 and ⁇ 10, preferably of > 8.2 and ⁇ 9.8, more preferably of > 8.3 and ⁇ 9.7, even more preferably of > 8.4 and ⁇ 9.6, further preferred of > 8.6 and ⁇ 9.5, most preferred of > 8.8 and ⁇ 9.3 is achieved.
  • Exemplary phosphates include sodium pyrophosphate, potassium pyrophosphate, and mixtures thereof.
  • the detergent composition of the present invention can comprise zeolites.
  • the amount of zeolites can be > 2 wt.-% to ⁇ 40 wt.-%, preferably > 10 wt.-% to ⁇ 35 wt.-%, further preferred > 15 wt.-% to ⁇ 30 wt.-%, and more preferred > 20 wt.-% to ⁇ 25 wt.-%, based on the total weight of the detergent composition.
  • Suitable zeolites have a mean particle size of less than 10 ⁇ m(volume distribution, as measured by the Coulter Counter Method) and preferably comprise >18% to ⁇ 22% by weight of bound water.
  • the detergent composition according to the invention is free of zeolites.
  • the detergent composition according to the invention may comprises a corrosion inhibitor selected from the group consisting of silicate, calcium acetate, calcium chloride, calcium gluconate, calcium phosphate, calcium borate, calcium carbonate, calcium citrate, calcium lactate, calcium sulfate, calcium tartrate, benzotriazole, 1,2,3-benzotriazole and mixtures thereof.
  • a corrosion inhibitor selected from the group consisting of silicate, calcium acetate, calcium chloride, calcium gluconate, calcium phosphate, calcium borate, calcium carbonate, calcium citrate, calcium lactate, calcium sulfate, calcium tartrate, benzotriazole, 1,2,3-benzotriazole and mixtures thereof.
  • silicates include sodium metasilicates, sesquisilicates, orthosilicates, potassium silicates, and mixtures thereof. However, most preferred is sodium silicate.
  • Additional corrosion inhibitors which may optionally be added to the composition of this invention include metal salts of magnesium and/or zinc.
  • the metal ions are provided in water-soluble form.
  • useful water-soluble forms of magnesium and zinc ions are the chlorides, nitrates and sulfates of the respective metals.
  • Useful carboxylated polymers may generically be categorized as water-soluble carboxylic acid polymers such as polyacrylic and polymethacrylic acids or vinyl addition polymers.
  • hydrotropes examples include the sodium, potassium, ammonium and alkanol ammonium salts of xylene, toluene, ethylbenzoate, isopropylbenzene, naphthalene, alkyl naphthalene sulfonates, phosphate esters of alkoxylated alkyl phenols, phosphate esters of alkoxylated alcohols, short chain (C 1 to C 8 ) alkyl polyglycosides, sodium, potassium and ammonium salts of the alkyl sarcosinates, salts of cumene sulfonates, amino propionates, diphenyl oxides, and disulfonates.
  • the hydrotropes are useful in maintaining the organic materials including the surfactant(s) readily dispersed in the aqueous cleaning solution.
  • the detergent composition according to the invention is preferably free of chelant component.
  • the detergent composition of the invention can comprise a chelant that exhibits soil removal properties when used at alkaline conditions.
  • the chelant component is provided for tying up metals in the soil to assist in cleaning and detergency.
  • the chelant component can be provided in the composition in an amount of > 1 wt.-% to ⁇ 30 wt.-%, preferably > 2 wt.-% to ⁇ 20 wt.-%, further preferred > 4 wt.-% to ⁇ 10 wt.-%, and more preferred > 6 wt.-% to ⁇ 8 wt.-%, based on the total weight of the composition.
  • the chelant component can include mixtures of different chelants.
  • Exemplary salts of ethylene diamine tetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts.
  • An exemplary salt of hydroxyethyl ethylene diamine triacetic acid is the trisodium salt.
  • Preferred hydroxymonocarboxylic acid compounds include citric acid; propionic acid; gluconic acid; glycolic acid; glucoheptanoic acid; and succinic acid.
  • Suitable hydroxydicarboxylic acid compounds include, but are not limited to, tartronic acid ; malic acid; tartaric acid; arabiraric acid; ribaric acid; xylaric acid; lyxaric acid; glucaric acid; galactaric acid; mannaric acid; gularic acid; allaric acid; altraric acid; idaric acid; and talaric acid.
  • Preferred hydroxydicarboxylic acid compounds include tartaric acid as well as ethylene diamine tetraacetic acid.
  • foam inhibitors for example mixtures of silicones, paraffins or waxes, may also be used.
  • the detergent composition according to the invention may comprise dispersion agents.
  • a dispersion agent can be provided in the composition in an amount of > 1 wt.-% to ⁇ 20 wt.- %, preferably > 2 wt.-% to ⁇ 15 wt.-%, further preferred > 4 wt.-% to ⁇ 10 wt.-%, and more preferred > 6 wt.-% to ⁇ 8 wt.-%, based on the total weight of the detergent composition.
  • the dispersion agent can include mixtures of different dispersion agent.
  • Suitable, yet less preferred dispersion agents 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 content of the acid is at least 50 wt. %.
  • vinyl ethers such as vinyl methyl ethers, vinyl esters, ethylene, propylene and styrene
  • Terpolymers which comprise two unsaturated acids and/or their salts as monomers as well as vinyl alcohol and/or an esterified vinyl alcohol or a carbohydrate, can also be used as water-soluble organic builders.
  • the detergent composition according to the invention is preferably free of other additives. However, other additives may be included in the composition according to the present invention if considered necessary.
  • Exemplary additional agents include anti-redeposition agents, optical brighteners, sequestrates, builders, water conditioning agents, oil and water repellant agents, color fastness agents, starch/sizing agents, fabric softening agents, souring agents, iron controlling agents, antimicrobials, fungicides, UV absorbers and/or fragrances, and the like.
  • the detergent composition according to the invention may also comprises an enzyme material.
  • the enzyme material can be selected from proteases, amylases, lipases, cellulases, peroxidases, and mixtures thereof.
  • the enzyme material can be present in said composition in a concentration of from 0.001 wt.-% to 3 wt.-%, based on the total weight of the detergent composition.
  • Dyes may be included to alter the appearance of the composition, as for example, Direct Blue 86® (Miles), Fastusol Blue® (Mobay Chemical Corp.), Acid Orange 7® (American Cyanamid), Basic Violet 10® (Sandoz), Acid Yellow 23® (GAF), Acid Yellow 17® (Sigma Chemical), Sap Green® (Keyston Analine and Chemical), Metanil Yellow® (Keystone Analine and Chemical), Acid Blue 9® (Hilton Davis), Sandolan Blue/ Acid Blue 182® (Sandoz), Hisol Fast Red® (Capitol Color and Chemical), Fluorescein® (Capitol Color and Chemical), Acid Green 25® (Ciba-Geigy), and the like.
  • Direct Blue 86® Miles
  • Fastusol Blue® Mobay Chemical Corp.
  • Acid Orange 7® American Cyanamid
  • Basic Violet 10® Sandoz
  • Acid Yellow 23® GAF
  • Acid Yellow 17® Sigma Chemical
  • Sap Green® Keyston Analine and Chemical
  • Metanil Yellow® Keystone Ana
  • preferred dyes and odorants include one or more blue dyes, which can be employed at concentrations up to 1 wt-%.
  • Anti-redeposition agents can be used to facilitate sustaining a suspension of soils in solution and reduce the tendency of the soils to be redeposited onto a substrate from which they have been removed.
  • the amount of anti-redeposition agents can be > 0.1 wt.-% to ⁇ 10 wt.-%, preferably > 0.2 wt.-% to ⁇ 5 wt.-%, further preferred > 0.3 wt.-% to ⁇ 1 wt.-%, and more preferred > 0.4 wt.-% to ⁇ 0.5 wt.-%, based on the total weight of the composition.
  • Most brightener compounds are derivatives of stilbene or 4,4'-diamino stilbene, biphenyl, five-membered heterocycles (triazoles, oxazoles, imidazoles, etc.) or six-membered heterocycles (cumarins, naphthalamides, triazines, etc.).
  • optical brighteners which may be useful in a detergent composition according to the present invention can be classified into subgroups, which include, but are not necessarily limited to, derivatives of stilbene, pyrazoline, coumarin, carboxylic acid, methinecyanines, dibenzothiophene-5,5-dioxide, azoles, 5- and 6-membered-ring heterocycles and other miscellaneous agents.
  • Stilbene derivatives which may be useful in the present invention include, but are not necessarily limited to, derivatives of bis(triazinyl)amino-stilbene; bisacylamino derivatives of stilbene; triazole derivatives of stilbene; oxadiazole derivatives of stilbene; oxazole derivatives of stilbene; and styryl derivatives of stilbene.
  • Preferred optical brighteners include stilbene derivatives.
  • Optical brighteners that can suitably be used are 4,4'-bis-(2-sulostyryl)biphenyl (CBS- X) and/or 4,4'-bis-[(4,6-di-anilino-s-triazin-2-yl)-amino]-2,2'-stilbenedisulfonate (DMS-X).
  • the amount of optical brighteners can be > 0.1 wt.-% to ⁇ 2 wt.-%, and more preferred > 0.2 wt.-% to ⁇ 1 wt.-%, based on the total weight of the detergent composition.
  • the builder can include an organic phosphonate, such as an organic-phosphonic acid and alkali metal salts thereof.
  • the sequestrant can be or include an aminocarboxylic acid type sequestrant. Suitable aminocarboxylic acid type sequestrants include the acids or alkali metal salts thereof, e.g. amino acetates and salts thereof.
  • N-hydroxyethylaminodiacetic acid hydro xyethylenediaminetetraacetic acid, nitrilotriacetic acid (NTA); methylglycinediacetic acid (MGDA); 2-hydroxyethyliminodiacetic acid (HEIDA); ethylenediaminetetraacetic acid (EDTA); N-hydroxyethyl-ethylenediaminetriacetic acid (HEDTA); diethylenetriammepentaacetic acid (DTPA); and alanine-N,N-diacetic acid; and mixtures thereof.
  • Preferred amino carboxylates include the sodium salt of EDTA, MGDA, and HEIDA.
  • An exemplary sequestrant or builder that can be used includes iminodisuccinic acid (IDS) and salts of iminodisuccinic acid.
  • IDS iminodisuccinic acid
  • Such sequestrants are desirable because they are generally considered to be more environmentally friendly compared with other sequestrants.
  • alkylated quaternary ammonium compounds include monoalkyl trimethyl quaternary ammonium compounds, monomethyl trialkyl quaternary ammonium compounds, and dialkyl dimethyl quaternary ammonium compounds.
  • alkylated quaternary ammonium compounds that are commercially available are Adogen®, Arosurf®, Variquat®, and Varisoft®.
  • the alkyl group can be a C 8 - C 22 group or a C 8 -C 18 group or a C 12 -C 22 group that is aliphatic and saturated or unsaturated or straight or branched, a benzyl group, an alkyl ether propyl group, a stearyl group, or a palmityl group.
  • amido amine quaternary ammonium compounds that can be used according to the invention are methyl-bis(tallow amidoethyl)-2-hydroxyethyl ammonium methyl sulfate, and methyl bis (oleylamidoethyl)-2-hydroxyethyl ammonium methyl sulfate.
  • ester quaternary compounds are available under the name Stephantex®.
  • the quaternary ammonium compounds can include any counter ion that allows the component to be used in a manner that imparts fabric-softening properties.
  • Exemplary counter ions include chloride, methyl sulfate, ethyl sulfate, and sulfate.
  • the softening agents are optional components and need not be present in the detergent composition according to the invention.
  • fabric softening agents When fabric softening agents are incorporated into the composition of the invention, they can be included in amounts of > 1 wt.-% to ⁇ 20 wt.-%, preferably > 2 wt.-% to ⁇ 18 wt.-%, further preferred > 4 wt.-% to ⁇ 15 wt.-%, and more preferred > 5 wt.-% to ⁇ 10 wt.-%, based on the total weight of the detergent composition.
  • the pH adjusting agent When used to increase the pH, it can be referred to as an alkaline agent.
  • exemplary alkaline agents that can be used have already been mentioned above and referred to as "source of alkalinity".
  • an acidifying agent When the pH adjusting agent is used to lower the pH, it can be referred to as an acidifying agent.
  • exemplary acidifying agents include inorganic acids, organic acids, and mixtures of inorganic acids and organic acids.
  • Exemplary inorganic acids that can be used include mineral acids such as sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.
  • Exemplary organic acids that can be used include carboxylic acids including monocarboxylic acids and polycarboxylic acids such as dicarboxylic acids.
  • Exemplary carboxylic acids include aliphatic and aromatic carboxylic acids.
  • Exemplary aliphatic fatty acids include oleic acid, palmitic acid, stearic acid, C 3 -C 26 fatty acids that may be saturated or unsaturated, and sulfonated forms of fatty acids.
  • An exemplary aromatic fatty acid includes phenylstearic acid. Additional acids that can be used include peroxycarboxylic acid such as peroxyacetic acid, and phthalimidopercarboxylic acids. Additional acidic pH adjusting agents include carbon dioxide and ozone.
  • the detergent composition according to the invention does not comprise any peroxo compound other than the at least one percarbonate.
  • the two-component color detergent composition according to the present application can be prepared by a process comprising the steps of
  • Flushing can include contacting the laundry item with a flushing composition.
  • flushing is the initial wetting step in the machine that carries out the washing procedure.
  • a method of cleaning laundry can include flushing one, two, or more times.
  • Conventional flushing compositions are water (e.g., soft or tap water).
  • flushing can separate loose soil from and wet a laundry item, but little more.
  • Flushing can be referred to as presoaking, preflushing, or prewashing.
  • flushing includes or can be contacting the laundry item with a penetrant composition.
  • contacting with a penetrant composition precedes contact of the laundry item with any composition other than water.
  • Sudsing can be referred to as "washing”, includes cleaning the laundry item with the detergent composition of the invention.
  • the detergent composition of the invention can herein be referred to as “cleaning composition”. Sudsing can follow flushing.
  • sudsing and other cleaning processes follow contacting with the penetrant composition.
  • contacting with the penetrant composition can occur during the sudsing cycle, but before addition of the cleaning composition.
  • sudsing includes contacting a penetrant-treated laundry item with a cleaning composition.
  • Draining includes removing a cleaning, flushing, or other composition from the laundry item, for example, by gravity and/or centrifugal force. Draining can follow sudsing. Draining can occur between repeats of flushing.
  • Extracting can include removing a rinse composition from the laundry item, typically with centrifugal force. Extracting can follow one or more rinsing cycles.
  • the laundry item can be processed in a laundry washing machine like a washer extractor or a tunnel washer.
  • a washer extractor that can be used includes a drum having an interior for holding laundry, a motor constructed and arranged for rotating the drum, a water inlet for introducing water into the drum interior, a chemical inlet for introducing chemicals into the drum interior, a drain for allowing fluid to drain from the drum interior, and a processing unit constructed for operating the washer extractor.
  • Each compartment can be connected to a dosing unit that allows the addition of one or more detergent components.
  • the first component and the second component, as well as other chemicals for the treatment of the laundry can be added independently into various compartments of the tunnel washer.
  • the method for treating laundry can be provided for a commercial and/or industrial laundry washing apparatus and can be provided in a residential and/or home laundry washing machine.
  • a tunnel washer also called a continuous batch washer, is an industrial laundry machine designed specifically to handle heavy loads.
  • Exemplary commercial and/or industrial laundry washing facilities include those cleaning textiles for the rental, health care, and hospitality industries.
  • the method for treating laundry can occur as part of an operation the steps of washing, rinsing, finishing, and extracting.
  • the step of treating laundry can include, as part of the step, additional activities such as, for example, washing and finishing.
  • Many commercial and industrial laundry washing machines are computer programmable, and computer programs can be provided to operate the machines according to the invention.
  • machines can be made available to treat laundry according to the invention, and that these machines can be used in both industrial and commercial applications and in home and residential applications.
  • the detergent composition of the invention can be formulated so that it can be used in commercial and industrial laundry washing machines and residential laundry washing machines that are in common use, that are not computer programmable, and without modification. That is, it is expected that conventional laundry washing machines can be used to treat laundry according to the invention.
  • the length of time sufficient to provide a desired level of cleaning of the detergent composition of the invention often depends on the laundry washing machine that is being used. In general, it is expected that sufficient cleaning can occur at a time of > 1 minute and ⁇ 60 minutes, at a time of t > 5 minutes and ⁇ 40 minutes, and a time of > 10 minutes and ⁇ 30 minutes. Of course, the amount of time often depends on the temperature of the cleaning process.
  • the temperature of the cleaning can be provided at > 20 °C to ⁇ 60 °C, preferably at > 30 °C to ⁇ 40 °C.
  • the IEC-reference detergent type A* and PVP (Sokalan HP 56K) were supplied by wfk Testgewebe GmbH.
  • the two-component color detergent composition according to the invention B had the following ingredients: ingredient component wt.-% modified sodium aluminiumsilicate 1 21 sodium hydroxide 1 0.18 complexing agent 1 0.35 builder 1 2.34 alcohol, C13-15, branched and linear, ethoxylated 1 6.9 sodium sulphate 1 50.46 alcohol, C13-15, branched and linear, ethoxylated 1 1.7 starch/sizing agent 1 0.02 foam inhibitor 1 0.18 sodium carbonate peroxyhydrate 2 4.23 tetraacetylethylenediamine 2 2.5 enzyme 2 0.3 sulfuric acid, mono-C12-18 alkylester, sodium salt 2 4.32 perfume 2 0.05 alkylpolyethylenglycolether 1 0.62 water - ad 100 total: 100,0
  • the washing trials were carried out in three washing machines Miele Novotronic W 527 under the following conditions: product efficient at wash program test product wash program reference product water inlet temperature test product water Inlet temperature reference product heaters machine test product disconnected CSD powder 30 °C 30 °C normal cotton program, 1200 rpm 30 °C normal cotton program, 1200 rpm (20 +/-2) °C (20 +/-2) °C no
  • the trials were carried out at a water-hardness of (2.5 +/- 0.2) mmol/L (i.e. 14 +/-0.5 °dH).
  • the total load was (4.5 +/- 0.1) kg.
  • the composition of the load during the 15 wash cycles is given in the Table 1.
  • Table 1 Composition of the load during 15 wash cycles wash cycle no. textile items test criteria
  • Table 1 C omposition of the load during 15 wash cycles wash cycle no.
  • the swatches are washed in a single wash cycle (single wash assessment). After each wash cycle the stains are ironed two times (adjustment: 2 points without steam) at a Miele Professional HM16-83 household mangle.
  • the washes are done in a suitable laundering device (e.g. Lini-Test equipment).
  • the Laundering device is described in EN ISO 105-C06:1997 " Textiles. Tests for color fastness. Colour fastness to domestic and commercial laundering " .
  • a water Bath containing a routable shaft which supports, radially stainless steel containers (diameter 7.5 ⁇ 0.5 cm, height 12.0 ⁇ 0.5 cm) with 525 ⁇ 50 ml capacity each), the bottom of the containers being 4.5 ⁇ 1 cm from the centre of the shaft.
  • the shaft/container assembly is rotated at a frequency of 40 ⁇ 2rpm.
  • the temperature of the water bath is thermostatically controlled to maintain the test solution at the prescribed temperature ⁇ 2°C.
  • the same liquor concentration and water hardness is used as in the washing machine.
  • the product in test (amount for 1 l) is dispersed in 1 l of lukewarm water using a magnetic stirrer and then rapidly heated until the liquor
  • Dye donator 0.3 g
  • dye acceptor cotton and polyamide
  • Both textiles are not fixed to each other.
  • the volume to give the correct liquor: fabric ratio 100:1 is added and the containers are placed in the preheated (40°C) machine. Temperature raises 2°C up to 60°C and the wash is continued for 20 minutes at this temperature.
  • colour differences DE between the standard cotton or polyamide piece washed without and with dye donator is determined. Measurements are taken at two defined areas of the dye acceptor using an appropriate device (e.g. datacolor). The instrumental assessments on colour fastness are done according to ISO 105-A04. They are based on ISO 105-A03 (Grey scale for assessing staining). The measurements for all products to be compared are performed using one common calibration and the same conditions.

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Claims (12)

  1. Zweikomponenten-Farbwaschmittelzusammensetzung zur Verwendung bei niedriger Temperatur, umfassend oder bestehend aus
    einer ersten Komponente, umfassend
    (a) > 0 Gew.-% bis< 15 Gew.-% wenigstens eines nichtionischen Tensids, wobei das wenigstens eine nichtionische Tensid ein alkoxyliertes Hochalkoholtensid ist, das 3 bis 40 Ethylenoxidgruppen und wenigstens einen linearen und/oder einen verzweigten Primäralkohol enthält, der 8 bis 18 Kohlenstoffatome oder Gemische davon enthält, oder wobei das wenigstens eine nichtionische Tensid ein alkoxyliertes Niedrigalkoholtensid ist, das 1 bis 2 Ethylenoxidgruppen und wenigstens einen linearen und/oder einen verzweigten Primäralkohol enthält, der 8 bis 18 Kohlenstoffatome oder Gemische davon enthält,
    und einer zweiten Komponente, umfassend
    (b) > 0 Gew.-% bis< 10 Gew.-% wenigstens eines Percarbonats und
    (c) > 0 Gew.-% bis< 5 Gew.-% Tetraacetylethylendiamin (TAED), berechnet auf die Gesamtgewichtsmenge der Waschmittelzusammensetzung, wobei die Zusammensetzung frei von Phosphaten und Alkylbenzolsulfonaten ist.
  2. Waschmittelzusammensetzung nach Anspruch 1, wobei das Gewichtsverhältnis von (b) zu (c) in dem Bereich von 4 : 1 bis 1 : 1, bevorzugt in dem Bereich von 3 : 1 bis 1 : 1, stärker bevorzugt in dem Bereich von 2 : 1 bis 1 : 1, am stärksten bevorzugt in dem Bereich von 1,8 : 1 bis 1,6 : 1 liegt.
  3. Waschmittelzusammensetzung nach einem der Ansprüche 1 oder 2, wobei die erste Komponente ferner wenigstens einen Builder und/oder wenigstens einen Komplexbildner und/oder wenigstens ein Antischaummittel und/oder wenigstens ein pH-Wert-Einstellmittel umfasst.
  4. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 3, wobei die zweite Komponente ferner wenigstens ein Enzym und/oder wenigstens ein anionisches Tensid und/oder wenigstens ein Copolymer von 1-Vinylimidazol und 1-Vinyl-2-pyrrolidon umfasst.
  5. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 4, wobei die Zusammensetzung keine andere Peroxoverbindung als das wenigstens eine Percarbonat umfasst.
  6. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 5, wobei die Zusammensetzung frei von Phosphonaten und/oder Ethylendiamintetraacetat (EDTA) und/oder anionischen Tensiden und/oder Nitromoschus und/oder polycyclischem Moschus ist.
  7. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 6, wobei die Zusammensetzung einen pH-Wert zwischen 8 und 10, bevorzugt zwischen 8,2 und 9,8, ferner bevorzugt zwischen 8,3 und 9,7, ebenfalls bevorzugt zwischen 8,4 und 9,6, stärker bevorzugt zwischen 8,6 und 9,5 und am stärksten bevorzugt zwischen 8,8 und 9,3 aufweist.
  8. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 7, wobei die Zusammensetzung in der Form eines Pulvers oder eines Granulats vorliegt.
  9. Waschmittelzusammensetzung nach einem der Ansprüche 1 bis 8, wobei die Zusammensetzung aus den folgenden Bestandteilen besteht: modifiziertes Natriumaluminiumsilicat 21 Gew.-% Natriumhydroxid 0,18 Gew.-% Komplexbildner 0,35 Gew.-% Builder 2,34 Gew.-% Alkohol, C13-15, verzweigt und linear, ethoxyliert 6,9 Gew.-% Natriumsulfat 50,46 Gew.-% Alkohol, C13-15, verzweigt und linear, ethoxyliert 1,7 Gew.-% Stärke/Schlichtemittel 0,02 Gew.-% Schauminhibitor 0,18 Gew.-% Natriumcarbonatperoxyhydrat 4,23 Gew.-% Tetraacetylethylendiamin 2,5 Gew.-% Enzym 0,3 Gew.-% Schwefelsäure, Mono-C12-18-Alkylester, Natriumsalz 4,32 Gew.-% Parfüm 0,05 Gew.-% Alkylpolyethylenglycolether 0,62 Gew.-% Wasser ad 100 Gew.-%
  10. Verfahren zum Herstellen einer Zweikomponenten-Farbwaschmittelzusammensetzung nach einem der Ansprüche 1 bis 9, umfassend die Schritte:
    - Herstellen der ersten Komponente,
    - Herstellen der zweiten Komponente,
    - Kombinieren der ersten und der zweiten Komponente, um eine Zweikomponenten-Farbwaschmittelzusammensetzung zu erhalten,
    - optional Granulieren der Zweikomponenten-Farbwaschmittelzusammensetzung.
  11. Verwendung der Zweikomponenten-Farbwaschmittelzusammensetzung nach einem der Ansprüche 1 bis 9 zum Reinigen von Wäschestücken, bevorzugt von farbigen Wäschestücken.
  12. Verwendung nach Anspruch 11, wobei das Reinigen bei einer Temperatur von 60 °C oder weniger, bevorzugt bei einer Temperatur von 40 °C oder weniger, am stärksten bevorzugt bei einer Temperatur von 30 °C oder weniger ausgeführt wird.
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US10280386B2 (en) 2015-04-03 2019-05-07 Ecolab Usa Inc. Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid
EP4707372A2 (de) 2018-06-15 2026-03-11 Ecolab USA Inc. Verbesserte persauerstoffstabilität unter verwendung von fettsäure in einem persauerstofffeststoff enthaltenden bleichaktivator
WO2020132387A1 (en) 2018-12-20 2020-06-25 Ecolab Usa Inc. Surfactant blend for removal of fatty soils
MX2023011631A (es) 2021-04-01 2023-12-15 Sterilex LLC Desinfectante/higienizante en polvo sin compuesto de amonio cuaternario (quat).
WO2022271898A1 (en) 2021-06-24 2022-12-29 The Procter & Gamble Company Colour care detergent compositions
EP4108748A1 (de) 2021-06-24 2022-12-28 The Procter & Gamble Company Farbpflege-waschmittelzusammensetzungen
EP4108749A1 (de) * 2021-06-24 2022-12-28 The Procter & Gamble Company Farbpflege-waschmittelzusammensetzungen
CA3199892A1 (en) 2021-06-24 2022-12-29 Francesco BARBERO Colour care detergent composition

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