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
  • C11D1/38—Cationic compounds
  • C11D1/40—Monoamines or polyamines; Salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/38—Cationic compounds
  • C11D1/42—Amino alcohols or amino ethers
  • C11D1/44—Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines

Definitions

• WO 86/7603 relates to detergents which, in addition to at least one synthetic anionic and / or nonionic Contain surfactant an aliphatic amine compound, this amine compound is selected so that its pk b value is at least equal to 14, reduced by the starting pH of a 1% aqueous solution of the detergent.
• groups of amine compounds are mentioned by name, the first of which has the following general formula: R1- (OCH2CH2) x -NR2R3 (I) R1, R2 and R3 can be varied within wide limits.
• Certain amidoamines, glucamine derivatives and morpholine derivatives are mentioned as further groups of suitable amino compounds.
• Alkoxypropylamines of the general formula R4-O-CH2-CH2-CH2-NR5R6 (II) have so far only become known in the literature as wetting agents, foam inhibitors and as spinning aids (US 3,428,683, US 3,456,012). They do not fall under the aminic compounds specified in WO 86/7603.
• the present invention therefore relates to laundry detergents which contain at least one surfactant from the group of anionic surfactants and nonionic surfactants and, if appropriate, further active ingredients customary in detergents, characterized in that they contain at least one alkoxypropylamine as a washing-strengthening additive, the formula (III ) corresponds to:
• w is either 1 or 2
• x is a number from 0 to 20
• y and z are each independently a number from 0 to 3, where y + z should not be more than 3.
• the new agents outperform the agents known in the prior art for these purposes and are particularly distinguished by a particularly high cleaning ability, particularly in relation to soiling which, like cosmetics and mineral oil, is extremely difficult to remove at low temperatures.
• the alkoxypropylamines of the formula III used according to the invention can easily be prepared in a manner known per se from readily accessible starting materials.
• a common way of producing them is the reaction of an alcohol R (-O- (CH2CH2O) x -H) w with w moles of acrylonitrile, hydrogenation of the resulting mono- or dinitrile to the corresponding primary mono- or diamine and optionally reaction of this amine with y + z moles of ethylene oxide.
• the starting alcohol can be prepared, for example, from long-chain primary alkanols or alpha, omega-alkanediols and x moles or 2x moles of ethylene oxide.
• the quantities x, y and z are usually mean values of whole numbers.
• Alkoxypropylamines of the formula III in which w has the value 1 are preferred in the context of this invention.
• R are an alkyl chain length of 12 to 18, in particular 12 to 14, carbon atoms and an alkylene chain length of 2 to 6 methylene groups.
• x preferably has values from 0 to 11, in particular between 2 and 5.
• y and z each preferably have values from 0 to 2 and are particularly preferably 1 in total.
• the surfactant combination of at least one surfactant from the group of anionic and nonionic surfactants and the alkoxypropylamine of the formula III is preferably present in such a ratio that the surfactant or surfactant mixture and alkoxypropylamine of the formula III are present in quantitative proportions of 50: 1 to 1: 1 and in particular in a ratio of 10: 1 to 2: 1.
• the alkoxypropylamine of the formula III is preferably present in amounts of 0.1 to 10% by weight, in particular 0.5 to 5% by weight.
• Preferred detergents contain the combination of surfactant or surfactant mixture and the alkoxypropylamine of the formula III in amounts of 2 to 65% by weight, preferably 5 to 40% by weight, again based on the overall detergent formulation. It is noteworthy to note that the washing-strengthening effect of the alkoxypropylamine of the formula III occurs both with the anionic surfactants and with the nonionic surfactants.
• the detergent containing alkoxypropylamine preferably consists of at least one further washing and cleaning substance from the group of inorganic and / or organic builders, foam inhibitors, dirt carriers , optical brighteners, enzymes, dyes and fragrances as well as water and / or other liquid carriers.
• Bleaching detergents contain an additive of peroxy compound, stabilizer and optionally an activator for the peroxy compounds, in total in amounts of 10 to 40 wt .-%, in particular 15 to 35 wt .-%, based on the total detergent.
• the detergents according to the invention are preferably composed as follows: 3 - 60 wt .-% anionic and / or nonionic surfactants 0.1-10% by weight of alkoxypropylamine of the formula III 5 - 80 wt .-% water-soluble and / or insoluble inorganic and / or water-soluble organic builder salts 0 to 40% by weight of inorganic per compounds, preferably perborate, which give off H2O2 in aqueous systems, The rest of other ingredients common in detergents.
• Typical powdery detergents according to the invention containing alkoxypropylamine correspond to the following general formulation: 5 to 50, preferably 5 to 25% by weight of at least one surfactant from the group of the sulfonate and sulfate surfactants and the nonionic surfactants of the type of the alkanols or alkenols substituted by hydrophilic nitrogen-free groups, 0.3 - 5, preferably 0.5 - 2.5% by weight of alkoxypropylamine of the formula III, the surfactants and the alkoxypropylamines preferably being present in a ratio of 10: 1 to 2: 1, 0 - 8, preferably 0.3 to 5 wt .-% of a foam inhibitor from the group of alkali soaps with essentially C18-C22 fatty acid esters and the non-surfactant foam inhibitors.
• Typical liquid detergents according to the invention containing alkoxypropylamines differ from the powdery formulations in that they have an increased surfactant content and a reduced proportion of builders and usually contain no bleaching component.
• Such detergents correspond to the following basic formulation: 10 - 60, preferably 15 to 50 wt .-% of at least one surfactant from the group of sulfonate and sulfate surfactants, the nonionic surfactants of the type substituted with hydrophilic nitrogen-free groups alkanols or alkenols and the C12- C18 soaps with a predominant proportion of soaps the chain lengths C12 / C14, preferably a mixture of the synthetic anionic, nonionic and soap surfactants, 0.5 - 8, preferably 0.8 to 6% by weight of alkoxypropylamine of the formula III, the surfactants and the alkoxypropylamines preferably being present in a ratio of 20: 1 to 5: 1, 0 - 20, preferably 1 to 15% by
• the viscosity can be varied within wide limits by suitable choice of the components, so that in addition to liquid, pasty agents can also be obtained on this basis with water contents of up to about 75%.
• the liquid fraction consists largely, preferably practically exclusively, of nonionic surfactants, so that the proportion of liquid carriers is significantly reduced compared to the liquid detergents.
• Preferred paste-like formulations do without liquid carriers, which do not themselves contribute to the washing ability, in particular these formulations contain practically no free water, including water amounts below 2% by weight which are not bound in any form as water of hydration to the individual components , understands.
• a corresponding formulation for paste detergents has the following composition 30 to 60% by weight, preferably 35 to 55% by weight, wholly or predominantly as such surfactants present in liquid form, in particular nonionic surfactants of the type of alkanols or alkenols substituted with hydrophilic nitrogen-free groups 1-10, preferably 2 to 8% by weight of alkoxypropylamine of the formula III, the surfactants and the alkoxypropylamines preferably being present in a ratio of 20: 1 to 5: 1, 0 - 8, preferably 0.2 to 6% by weight of a foam inhibitor from the group of soaps, in particular potash soaps and in particular C12-C18 potash soaps, and non-surfactant foam inhibitors, 10-69, preferably 20 to 50% by weight of organic and / or inorganic builders, optionally including a bleaching component, and 0-10, preferably 0.5 to 10% by weight of the usual detergent additives already mentioned for the other frame formulations.
• a particularly preferred embodiment of the invention relates to a powdery detergent for low washing temperatures, which preferably contains a bleaching component of peroxy compound, cold bleach activator and stabilizer and which, together with a low-phosphate or phosphate-free builder component, has a special surfactant combination.
• This detergent results in excellent cleaning performance even at stubborn grease and grease / pigment stains on common textile fabrics, i.e. on cotton, polyester and blended fabrics.
• This special surfactant combination is built on the basis of a mixture of nonionic surfactants from at least 2 separately produced low ethoxylated C12-C18 alkanols or alkenols with a cloud point in the range 0 to 45, preferably 5 to 40 (measured in water).
• At least one slightly water-soluble anionic sulfonate and / or sulfate surfactant is present in amounts that are inferior to the nonionic ethoxylates, so that 3 to 9 parts by weight of the, for example, 10 parts by weight of the nonionic surfactant mixture Sulfonate or sulfate surfactants come.
• this surfactant combination 1 to 5 parts by weight of an alkoxypropylamine of the formula III, again based on 10 parts by weight of the nonionic surfactant mixture.
• This detergent combination which is particularly preferred according to the invention for alkoxypropylamine-containing detergents, can be present in amounts of about 8 to 30% by weight in a low-phosphate or phosphate-free detergent formulation, the term "low-phosphate" being based on the permissible maximum values of the applicable maximum phosphate regulations, which is currently the case in the case of a universal detergent formulation with customary metering instructions corresponds to an amount of about 25% by weight of sodium tripolyphosphate based on the total powdered detergent, this value also being able to be higher in the case of lower-dose detergent concentrates.
• the foaming power of such detergents can by adding a non-surfactant-like foam inhibitor in amounts of 0.2 to 0.8 wt .-% or from 0.5 to 5 wt .-% of an alkali soap from mostly C1 C-C20 fatty acids, or a mixture of the non-surfactant-like foam inhibitor and the soap in an amount of 0.2 to 5% by weight, based in each case on the total detergent, are reduced in such a way that, when used in washing machines, neither foaming nor rinsing difficulties occur.
• Suitable synthetic anionic surfactants are in particular those of the sulfonate and sulfate type.
• surfactants of the sulfonate type come alkylbenzenesulfonates with a C9 ⁇ 15 alkyl radical, olefin sulfonates, ie mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as are obtained, for example, from C12-C18 monoolefins with terminal or internal double bond by sulfonating with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
• alkanesulfonates which are made from C12- C18 alkanes are available by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins, and the esters of alpha-sulfo fatty acids, e.g. B. the alpha-sulfonated methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
• Suitable surfactants of the sulfate type are the sulfuric acid monoesters from primary alcohols of natural or synthetic origin, ie from fatty alcohols such as. B.
• coconut fatty alcohols coconut fatty alcohols, tallow fatty alcohols, oleyl alcohol, lauryl, myristyl, palmityl or stearyl alcohol, or the C10-C20 oxo alcohols, and those secondary alcohols of this chain length.
• the sulfuric acid monoesters of the aliphatic primary alcohols or ethoxylated secondary alcohols ethoxylated with 1 to 6 mol of ethylene oxide are also suitable.
• Sulfated fatty acid alkanolamides and sulfated fatty acid monoglycerides are also suitable.
• Suitable anionic surfactants based on natural raw materials are in addition to the detergent soaps, i. H. the salts of in particular C12-C18 fatty acids, also the water-soluble salts of the acylcyanamides of the formula RCONH-CN, where R is an alkyl or alkenyl group having 9 to 23, preferably 11 to 17 carbon atoms.
• These anionic surfactants are in the form of their sodium, potassium or ammonium salts or in the form of the soluble salts with organic bases, in particular the mono-, di- or triethanolamine.
• the addition products of 3 to 20 moles of ethylene oxide with primary C10-C20 alcohols, such as, for example, are particularly important as nonionic surfactants.
• the water-soluble addition products containing 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups of ethylene oxide with polypropylene glycol, alkylenediamine-polypropylene glycol and with alkylpolypropylene glycols with 1 to 10 carbon atoms in the alkyl chain can also be used as nonionic surfactants Polypropylene glycol chain acts as a hydrophobic residue.
• Nonionic surfactants of the amine oxide or sulfoxide type can also be used, for example the compounds N-cocoalkyl-N, N-dimethylamine oxide, N-tallow alkyl-N, N-dihydroxyethylamine oxide.
• Also suitable as part of the surfactant combination are the water-soluble alkyl glucosides, whose hydrophobic C8-C20 alkyl radical is linked to a mostly oligomeric hydrophilic glucoside radical.
• the preferred nonionic surfactants are the alkanols or alkenols substituted with ethoxy groups as hydrophilic nitrogen-free groups.
• the expression "non-ionic surfactants" accordingly does not include the alkoxypropylamines of the formula III used according to the invention.
• the foaming power of the surfactants can be increased or decreased by combining suitable types of surfactants.
• a reduced foaming power of the wash liquor is usually desirable when working in machines.
• the foam attenuation increases with the degree of saturation and the C number of the fatty acid residue; Soaps of the saturated C20-C24 fatty acids are therefore particularly suitable as foam suppressants for detergents based on sodium triphosphate as builders, while in the detergents containing predominantly zeolite C14-C18 soaps already show good foam inhibition, especially at low washing temperatures.
• the non-surfactant-like foam inhibitors are generally water-soluble, mostly containing aliphatic C8-C22 hydrocarbon compounds.
• Corresponding foam inhibitors are e.g. B. N-alkylaminotriazines having essentially 8 to 18 carbon atoms in the alkyl radical, aliphatic C18-C40 ketones, such as. B. stearone, and in particular paraffins and halogen paraffins with melting points below 100 ° C and silicone oil dispersions based on organopolysiloxanes and microfine silica, which can optionally be silanized.
• Suitable organic and inorganic builders for detergents containing alkoxypropylamines are preferably alkaline salts, in particular alkali salts, which are not only able to precipitate or bind complex calcium ions, but also, if possible, bring about a synergistic increase in washing power with the surfactants and have a dirt-carrying capacity.
• alkali salts the water-soluble alkali metal or alkali polyphosphates, in particular pentasodium triphosphate, are still of particular importance.
• organic complexing agents for calcium ions and heavy metal ions can be present. These include compounds of the aminopolycarboxylic acid type, such as. B.
• Suitable phosphorus-containing organic complexing agents are the water-soluble salts of alkane polyphosphonic acids, amino and hydroxyalkane polyphosphonic acids and phosphonopolycarboxylic acids, such as. B.
• the compounds methane diphosphonic acid, dimethylaminomethane-1,1-diphosphonic acid, aminotrimethylene triphosphonic acid, ethylenediaminetetramethylene tetraphosphonic acid, diethylenetriaminepentamethylenepentaphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid, 2-phosphonobutane-1,2,4-tricarboxylic acid.
• the N- and P-free polycarboxylic acids forming calcium ion complex salts which also include polymers containing carboxyl groups, are of particular importance.
• Low molecular weight compounds such as. B. citric acid, 2,2'-oxydisuccinic acid or carboxymethyloxy succinic acid.
• Suitable polymeric polycarboxylic acids have a molecular weight of 350 to about 1,500,000 in the form of the water-soluble salts.
• Particularly preferred polymeric polycarboxylates have a molecular weight in the range from 500 to 175,000, and in particular in the range from 10,000 to 100,000. These include compounds such as, for.
• polyacrylic acid poly-alpha-hydroxyacrylic acid, polymaleic acid, and the copolymers of the corresponding monomeric carboxylic acids with each other or with ethylenically unsaturated compounds such as. B. vinyl methyl ether.
• the water-soluble salts of polyglyoxylic acid can also be used.
• Another component of the builders component consists of a homopolymeric and / or copolymeric carboxylic acid or its sodium or potassium salt, the sodium salts being preferred.
• Suitable homopolymers are polyacrylic acid, polymethacrylic acid and polymaleic acid.
• Suitable copolymers are those of acrylic acid or methacrylic acid with maleic acid or copolymers of acrylic acid, methacrylic acid or maleic acid with vinyl ethers, such as vinyl methyl ether or vinyl ethyl ether, furthermore with vinyl esters, such as vinyl acetate or vinyl propionate, acrylamide, methacrylamide and with ethylene, propylene or styrene.
• copolymeric acids in which one of the components has no acid function the proportion thereof in the interest of sufficient water solubility is not more than 70 mole percent, preferably less than 60 mole percent.
• Copolymers of acrylic acid with maleic acid as described in more detail, for example, in EP 25 551-B1, have proven to be particularly suitable. These are copolymers containing 40 to 90% by weight Acrylic acid or methacrylic acid and 60 to 10 wt .-% maleic acid. Copolymers in which 45 to 85% by weight of acrylic acid and 55 to 15% by weight of maleic acid are present are particularly preferred.
• the molecular weight of the homo- or copolymers is generally 1,000 to 150,000, preferably 1,500 to 100,000.
• Suitable water-insoluble inorganic builders are the finely divided synthetic, bound water-containing sodium aluminosilicates of the zeolite A type described in German patent application DE 24 12 837 as phosphate substitutes for detergents and cleaning agents.
• the cation-exchanging sodium aluminosilicates are used in the usual hydrated, finely crystalline form, i.e. H. they have practically no particles larger than 30 microns and preferably consist of at least 80% of particles smaller than 10 microns.
• Their calcium binding capacity which is determined according to the information in DE 24 12 837, is in the range from 100 to 200 mg CaO / g.
• the zeolite NaA can be used in particular, also the zeolite NaX and mixtures of NaA and NaX.
• Suitable inorganic, non-complexing salts are the bicarbonates, also known as "washing alkalis", carbonates. Borates or sulfates of the alkalis.
• salts of the non-capillary-active sulfonic acids containing 2 to 9 carbon atoms carboxylic acids and sulfocarboxylic acids, for example the alkali salts of alkane, benzene, toluene, xylene or cumene sulfonic acids, sulfobenzoic acids, sulfophthalic acid, sulfoacetic acid, sulfosuccinic acid and the salts of acetic acid or lactic acid.
• Acetamide and urea are also suitable as solubilizers.
• the zeolite content of the compositions is 10 to 40% by weight, preferably 12 to 20% by weight, of polymeric or copolymeric carboxylic acids or salts thereof 0.5 to 5, preferably 0.8 to 4% by weight. and 1 to 7% by weight of sodium silicate, preferably 2 to 6% by weight.
• Suitable skeletal salts are sodium carbonate and - if there are no concerns about the use of minor amounts of phosphates - polyphosphates, especially pentasodium tripolyphosphate. Under the conditions mentioned, its proportion can be up to 25% by weight, preferably 5 to 22% by weight. In cases where phosphates cannot be used, replacement by sodium nitrilotriacetate in proportions of, for example, 2 to 10% by weight is also possible.
• Other known water-soluble phosphate substitutes can optionally also be used, for example polyacetals of glyoxylic acid in the form of the sodium salts.
• the framework salts also include the sequestering agents from the class of aminopolycarboxylic acids and polyphosphonic acids, which are usually present in comparatively small amounts and act as so-called co-builders, stabilizers, precipitation inhibitors (threshold substances).
• the aminopolycarboxylic acids include ethylenediaminetetraacetic acid and diethylenetriaminepenta acetic acid and its higher homologues
• suitable polyphosphonic acids are 1-hydroxyethane-1,1-diphosphonic acid, aminotri- (methylenephosphonic acid), ethylenediaminetetra- (methylenephosphonic acid) and their higher homologues, such as diethylenetriamine tetra- (methylenephosphonic acid).
• the aforementioned polycarboxylic acids or polyphosphonic acids are usually used in the form of the sodium or potassium salts. The amount used is generally 0.1 to 5% by weight, preferably 0.2 to 1% by weight.
• the other usual detergent ingredients include anti-graying substances, optical brighteners, enzymes, bleaching agents and bleach activators, foam inhibitors, colors and fragrances, biocides, neutral salts and substances that improve the powder quality.
• Suitable graying inhibitors are cellulose ethers, such as carboxymethyl cellulose, methyl cellulose, hydroxyalkyl celluloses and mixed ethers, such as methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose and methyl carboxymethyl cellulose. Mixtures of various cellulose ethers, in particular mixtures of carboxymethyl cellulose and methyl cellulose, are also suitable.
• Suitable optical brighteners are alkali salts of 4,4-bis- (2 ⁇ -anilino-4 ⁇ -morpholino-1,3,5-triazinyl-6 ⁇ -amino) -stilbene-2,2′-disulfonic acid or compounds of the same structure, which carry a diethanolamino group instead of the morpholino group. Furthermore, brighteners of the type of the substituted diphenylstyryl come into question, e.g. B.
• Enzymes from the class of proteases, lipases and amylases or mixtures thereof are possible. Particularly suitable are enzymatic active ingredients obtained from bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus.
• the enzymes can be embedded in coating substances to protect them against premature decomposition.
• the perhydrates and per-compounds usually used in washing and bleaching agents are suitable as bleaching components.
• the perhydrates preferably include sodium perborate, which can be present as a tetrahydrate or also as a monohydrate, furthermore the perhydrates of sodium carbonate (sodium percarbonate), sodium pyrophosphate (perpyrophosphate), sodium silicate (persilicate) and urea. These perhydrates are preferably used together with bleach activators.
• the bleach activators include in particular N-acyl compounds and O-acyl compounds.
• suitable N-acyl compounds are multiply acylated alkylenediamines, such as tetraacetylmethylene diamine, tetraacetylethylenediamine and their higher homologues, and acylated glycolurils, such as tetraacetylglycoluril.
• Further examples are Na-cyanamide, N-alkyl-N-sulfonyl-carbonamide.
• N-acylhydantoins N-acrylated cyclic hydrazides, triazoles, urazoles, diketopiperazines, sulfurylamides, cyanurates and imidazolines.
• carboxylic acid anhydrides such as phthalic anhydride and esters, such as Na (iso) nonanoyl phenol sulfonate
• acylated sugars such as glucose pentaacetate are suitable as O-acyl compounds.
• Preferred bleach activators are tetraacetylethylene diamine and glucose pentaacetate.
• the bleach activators can also be coated with coating substances in order to avoid interactions with the per compounds, especially during the storage of powdery mixtures.
• Suitable foam inhibitors are organopolysiloxanes and their mixtures with microfine, optionally silanized silica, paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica and saturated fatty acids with 18 to 24 carbon atoms or their alkali soaps. Mixtures of various foam inhibitors, e.g. B. from silicones and paraffins are useful.
• Neutral salts in particular sodium sulfate, and magnesium silicate acting as a stabilizer for per compounds also come into consideration as further constituents.
• the other detergent ingredients can be present in amounts that are common in known detergent compositions.
• the proportion of graying inhibitors is generally 0.2 to 2% by weight, the proportion of optical brighteners 0.05 to 0.5% by weight.
• the proportion of enzymes depends primarily on their activity.
• Technical enzyme preparations which are usually mixed with stabilizers, calcium salts and blending agents and adjusted to a specific activity, are usually used in proportions of 0.1 to 2% by weight.
• the proportion of perborate is usually 5 to 25% by weight.
• the amounts of bleach activators used are also based on their effectiveness. Highly effective activators, such as tetraacetylethylenediamine, are usually used in amounts of 0.5 to 5% by weight.
• foam inhibitors the proportion of which can generally be from 0.01 to 0.5% by weight in the case of highly effective silicone defoamers, and up to 2% by weight in the case of waxy or paraffinic substances or higher molecular weight fatty acids.
• the proportion of sodium sulfate can be up to 25% by weight, in special cases even more.
• This example shows the increase in primary washing power on mineral oil stains and on lipstick stains.
• the tests were carried out at 40 ° C in a launderometer. Further test information: liquor ratio 1: 30; Detergent concentration 4.4 g / l; Water hardness 16 ° d; Washing time 30 min. (including heating time); 3-fold determination.
• the test fabric soiled with + mineral oil was refined cotton, the lipstick soiling was due to the polyester-cotton blend.
• alkylbenzenesulfonate 15% by weight alkylbenzenesulfonate, 3.5% by weight of ethoxylated C12-C18 coconut fatty alcohol with 5 moles of ethylene oxide 15% by weight sodium tripolyphosphate 35% by weight Na2 SO4 10 wt .-% water glass Na2O ⁇ 3.35 SiO2 2.4% by weight of amine compound Remainder up to 100% by weight: further neutral salts, dirt carriers, soap as a foam brake and water.
• the etheramine (6) of the formula I (according to WO 86/7603, Example 1) was used for comparison: (6) C12 / 14-cocoalkyl- (OCH2CH2) 3.6 -NH-CH2-CH2OH.

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• 1988
  • 1988-09-24 DE DE19883832589 patent/DE3832589A1/de not_active Withdrawn
• 1989
  • 1989-09-15 WO PCT/EP1989/001074 patent/WO1990003423A1/fr not_active Application Discontinuation
  • 1989-09-15 EP EP89117104A patent/EP0364739A3/fr not_active Withdrawn
  • 1989-09-15 EP EP19890910443 patent/EP0435903A1/fr active Pending
• 1991
  • 1991-03-22 DK DK91524A patent/DK52491D0/da not_active Application Discontinuation

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