EP0227720A1 - Agent de lavage pour basses temperatures de lavage - Google Patents

Agent de lavage pour basses temperatures de lavage

Info

Publication number
EP0227720A1
EP0227720A1 EP86903376A EP86903376A EP0227720A1 EP 0227720 A1 EP0227720 A1 EP 0227720A1 EP 86903376 A EP86903376 A EP 86903376A EP 86903376 A EP86903376 A EP 86903376A EP 0227720 A1 EP0227720 A1 EP 0227720A1
Authority
EP
European Patent Office
Prior art keywords
weight
detergent
alkyl
carbon atoms
group
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP86903376A
Other languages
German (de)
English (en)
Inventor
Hans Andree
Horst Baumann
Manfred Biermann
Frantisek Jost
Horst-Jürgen KRAUSE
Fritz Lange
Herbert Leiter
Alfred Meffert
Uwe Ploog
Harald Schnegelberger
Eduard Smulders
Eric Sung
Andreas Syldatk
Günter Uphues
Günther VOGT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and 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
Priority claimed from DE19853522389 external-priority patent/DE3522389A1/de
Priority claimed from DE19863606828 external-priority patent/DE3606828A1/de
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0227720A1 publication Critical patent/EP0227720A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • 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
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/32—Amides; Substituted amides

Definitions

  • US Pat. No. 3,925,224 from 1975 already recommends adding water-insoluble surfactant types from the group of anionic, nonionic and amphoteric surfactants to customary detergent formulations based on water-soluble surfactants.
  • the water-insoluble nonionic surfactants described also include ethoxylated alkylamines with C 8 -C 8 -alkyl chains and with 1 to 6 mol of added ethylene oxide, for example the coconut alkylamine reacted with 2 mol of ethylene oxide.
  • European patent application 112 593 discloses detergents containing ethoxylated mono- and diamines and ethoxylated polyethylene amines and polyethyleneimines, which are soluble in water due to an accumulation of polyglycol ether groups and the lack of long-chain hydrophobic residues. Detergents with the addition of these water-soluble ethoxylated amines are said to be distinguished by improved removal of clay-like pigments and by improved graying inhibition. In European patent application 121 949, among other things, tertiary amines with two C u -C.
  • 0 -alkyl radicals and a third shorter alkyl or hydroxyalkyl radical and quaternary ammonium compounds derived therefrom are described as washing-strengthening additives for synthetic anionic surfactants.
  • the two C u -C_ alkyl radicals in the tertiary amine can be connected to the nitrogen atom via 1 to 3 ethyleneoxy bridges, it being understood that the pK value of the tertiary amine is at least about half a unit above the initial pH of the wash liquor lies.
  • Fatty acid amides of alkyl-substituted alkylenediamines are used in the form of their salts according to DE 23 38 386 as disinfectant active substances in hand disinfectants.
  • the salt character and thus the disinfectant effect are lost in a customary, alkaline textile detergent.
  • a teaching of the content of using these compounds in the form of the free amido amines in textile detergents with a surfactant component selected in a certain way is not disclosed in this literature.
  • a gel-like agent is known with which the greasy textiles are pretreated.
  • This agent contains a mixture of "oil-friendly" nonionic surfactants and anionic surfactants of the sulfate or sulfonate type, for example, lauryl alcohol / myristyl alcohol mixtures reacted with 3 moles of ethylene oxide or nonylphenol reacted with 5 moles of ethylene oxide
  • the preferred anionic surfactant is linear alkylbenzenesulfonate, but the use is cumbersome and time-consuming since it requires the gel-like cleaning composition to be applied beforehand and the textile material to be left in the washing machine for up to 30 minutes before being placed in the washing machine Because of their gel-like character, the general-purpose detergents are usually difficult to incorporate.
  • water-insoluble surfactant which is referred to as an "additive”
  • detergents containing conventional water-soluble anionic, nonionic or zwitterionic surfactants leads to an increase in washing power.
  • water-insoluble "additives” are ethoxylated alcohols with 12 to 15 carbon atoms or. Octylphenol with 3 glycol ether groups (EO), ethoxylated coconut amine with 2 EO groups, fatty acid diethanolamides, ethoxylated fatty acid amides and free fatty alcohols. Fatty acid amides that are free of hydroxyalkyl groups are not mentioned.
  • the additives can be added to the detergents or the wash liquors in solid or liquid form.
  • Powdery additives can be from 0.1 to 60% by weight additive or its mixture with water-soluble surfactants and from 99.9 to 40 cew. -% carrier material, such as builder salts, fillers, bleach or other detergent ingredients.
  • the additives are added to these materials to avoid aerosol formation in the exhaust air from the spray towers (pluming) during spray drying.
  • the additives mentioned are essentially oil-like substances which, owing to their tendency to stick, are difficult to obtain in larger, ie. H . Allow 5 - 8% excess amount to be incorporated into conventional washing powder and carrier materials, since they impair their flowability.
  • No. 3,925,224 does not provide a suggested solution as to how larger amounts, in particular up to 60%, of these additives can be admixed with known powdered “builders” and fillers without losing their free-flowing properties.
  • the ethoxylated fatty alkylamines have a more or less pronounced intrinsic odor that interferes with use in demanding branded laundry detergents and is neutralized by special perfuming measures got to.
  • hydroxyalkylamines which are derived from terminal and internal long-chain epoxyalkanes
  • their origin from petroleum as a non-renewable raw material is considered disadvantageous today.
  • water-soluble ethoxylated amines it is not always possible to recognize a contribution to improving the fat wash-out, which is problematic particularly when washing at low temperatures.
  • tertiary amines which are almost completely protonated, place narrow limits on practical use.
  • the invention is based on the object of finding substances which can be produced from renewable raw materials and which have no intrinsically odor which is disruptive to the application technology, and whose problem-free incorporation into detergents improves the washing action of these agents at low washing temperatures. It is an object of the invention to provide such washing-strengthening substances as amine derivatives of fat raw materials. It is a further object of the invention to find those amine derivatives which can be prepared from fats and which are already used in relatively small amounts, ie. H . in amounts which are clearly inferior to the actual surfactants, bring about an additive increase in activity at the lower washing temperatures.
  • a further object of ⁇ the invention is to provide a granular detergent which avoids the disadvantages of the known agents and which is characterized by a high detergency, especially against fatty and oily stains. It should be incorporated in the detergent, the detergent strengthening, without the powder condition suffers or. there are undesirable exhaust air problems during spray drying during the preparation of the agents.
  • a further, very essential object of the invention is to find a selection criterion for the amine compounds that can be used as detergency boosters, which makes it possible to provide detergents which are based on the pH of those produced therefrom Wash liquors are optimized with regard to their washing power-enhancing effect and to the lowest possible use amount, especially the amine compound.
  • the present invention consists in a detergent containing at least one synthetic anionic and / or nonionic surfactant and an aliphatic amine compound, the amine compound being selected so that its pK. -Value at least equal to 14, reduced by the starting pH of a 1% aqueous solution of the detergent.
  • the pH value relates to a detergent which contains the amine compound mentioned.
  • the pK. Value represents the negative decimal logarithm of the equilibrium constants for the aminic compound when the hydrolysis equilibrium is present:
  • the pK. -Value is determined by titration of an aqueous solution of the aminic compound with a strong acid. If the pH curve during the titration is plotted as a function of the amount of acid added, the relationship applies to the point on the curve where half of the aminic substance is in ported form
  • the pK. Value is a characteristic value for protonatable aminic compounds in the context of this invention, which as a selection criterion for suitable aminic compounds according to the relationship (5)
  • pK. is at least 14 minus the pH of a 1 wt. % aqueous solution of the detergent containing the amine compound
  • the pK. -Value is generally between 4 and 9.
  • the mentioned selection criterion makes it possible to make an optimal selection with regard to the suitable connection type and the required amount of use.
  • the mentioned pK. -Value range are particularly suitable substances strengthening the washing power those that have a low pK. -Have value .
  • substances are also suitable in which the difference between the pK. - Value and pH of 1 wt. - Detergent solution is not less than about 1. This applies in particular to substances with approximately the same solubility in water.
  • the detergents according to the invention have particularly good washing action at both low and high washing temperatures, because the type and amount of the amine compound which enhances the washing power optimally relates to the pH-buffering properties of the by using the teaching according to the invention - especially with regard to its builders component - different detergent compositions are coordinated.
  • Typical detergents improved with regard to washing power contain at least one amine compound from the
  • R is an alkyl, hydroxyalkyl or alkenyl group
  • R also represents hydrogen
  • R is an alkyl or alkenyl group with 9 to 17 carbon atoms
  • R, R and R 7 are hydrogen or C j - bis
  • 5 6 7 represents one of the groups R, R, R represents an alkyl group
  • the ether amines (a), in which R is an alkyl, hydroxyalkyl or alkenyl group, are described in the unpublished German patent application P 35 22 389; the amidoamines (b) are part of the detergents of the likewise unpublished German patent application P 36 06 828.
  • the detergents according to the invention contain
  • ether amines described in the earlier application are above all those ether amines of the general formula I in which the substituent R is such alkyl or alkenyl groups as are obtainable from industrial fats and are present in the fatty alcohols which can be prepared therefrom.
  • Particularly preferred are radicals R having essentially 10 to 20 carbon atoms, in particular having essentially 12 to 18 carbon atoms in the alkyl or. Alkenyl group.
  • Those substances of the formula I are preferably used in which the
  • Y 2 are compounds of the formula I in which one of the radicals R
  • Radical is a C. -C. alkyl group or hydrogen.
  • Particularly preferred compounds of the formula I are those in which the sum of all the index numbers x and y present is between the number values 2 and 7 and in which the substituent R represents an alkyl or alkenyl group having essentially 12 to 18 carbon atoms .
  • Optimum effectiveness is achieved at a ratio of the total number of ethoxy and hydroxyethyl groups to the number of alkyl, hydroxyalkyl or alkenyl carbon atoms in the ether amine of the formula I from 1/6 to 1/2, preferably 1/4 to 2/5 observed.
  • the substances of the formula I used according to the invention can be prepared in a manner known per se by reacting a corresponding fatty alcohol polyglycol ether sulfate with a primary one
  • Amine can be produced (British patents 1,067,762 and 1,087,413). A carbon-nitrogen bond is formed in these alkylation reactions.
  • Another production process (older German patent application P 35 04 242.7) describes the reaction of a fatty alcohol polyglycol ether sulfate with a tertiary amine which has at least one hydroxyalkyl substituent, for example triethanolamine, the alkylation on the hydroxyl group of the hydroxyalkyl radical with formation a carbon-oxygen bond takes place.
  • the polyglycol ether grouping in the fatty alcohol ether sulfate is selected in the direct preparation in such a way that it together with the ethoxy or. Hydroxyethyl residues lead to an optimal balance between hydrophobicity and hydrophilicity of the molecule for the use according to the invention. Part of the ethoxy or. Hydroxyethyl residues can also be replaced by isopropoxy or hydroxyisopropyl residues.
  • Typical representatives of the compounds of formula I used according to the invention are, for example, the reaction products of fatty alcohol ether sulfates, which may have a different degree of ethoxylation, with primary amines, such as, for example, B. ethanolamine, a C.-C.-alkylamine such as methylamine, or with secondary amines, such as. As diethanolamine, morpholine, a dialkylamine with C ⁇ -C ⁇ alkyl groups such as. B. Diethylamine.
  • these are the reaction products of the fatty alcohol ether sulfates with tertiary amines having at least one hydroxyethyl group, such as. B. triethanolamine, diethanol-methylamine.
  • These substances include, for example, the compounds: C 12 / C 10 - (coconut) alkyl poly (3,6) oxyethyl hydroxyethylamine, C 1 _ / C 1 .- (coconut) alkyl di- ( oxyethyl) -hydroxyethyl-ethylamine, C 12 / C 1ü - (coconut) -alkyl-di- (oxyethyl) -hydroxyethyl-methylamine, lauryl-di-oxyethyl-diethylamine, n-octyl-oxyethyldihydroxyethylamine, C 1?
  • the substances used according to the invention have no intrinsic odor that is harmful to application technology and, with regard to their long-chain alkyl or alkenyl residues, can be produced from renewable fat raw materials. These compounds thus have at least two advantageous properties which, together, cannot be attributed to the substances known as washing-strengthening additives.
  • Detergent mixtures which have been prepared using the ether amines of the formula I defined above have an improved fat and Pigment / fat washable; they achieve or exceed the properties of the known detergents containing comparable detergent-enhancing additives.
  • the etheramines used in accordance with the invention can be mixtures of substances owing to their method of preparation.
  • fatty alcohol mixtures of certain cuts of chain lengths are regularly obtained by industrial distillation processes via the raw material fat;
  • Ethoxylation mixtures with an average degree of ethoxylation are also known to be obtained in the ethoxylation of the fatty alcohols as a precursor for the production of fatty alcohol polyglycol ether sulfate.
  • the reaction of the fatty alcohol ether sulfate with the amine by forming a C-N or C-O bond can also lead to mixtures if the amine has more than one reactive site, the bisalkylation product also being able to be formed in minor amounts.
  • R 3 -CH 2 CH 2 OH
  • the surfactant combination of at least one surfactant from the group of anionic, nonionic and zwitterionic surfactants and the etheramine of the formula I is preferably present in such a ratio that the surfactant or surfactant mixture and etheramine of the formula I in quantitative terms in a ratio of 30: 1 to 2: 1 and in particular in a ratio of 10: 1 to 3: 1.
  • the etheramine of the formula I is accordingly preferably present in amounts of 0.2 to 10% by weight, preferably 0.5 to 3% by weight.
  • Preferred detergents contain the combination of Surfactant or surfactant mixture and the etheramine of the formula I in amounts of 5 to 65% by weight, preferably 8 to 35% by weight, again based on the overall detergent formulation. It is noteworthy to note that the washing-strengthening effect of the ether amines of the formula I occurs both with the synthetic anionic surfactants and with the nonionic surfactants.
  • the detergent containing etheramines consists of at least one further washing and cleaning substance from the group of inorganic and / or organic builders, 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 quantities of 10 to 40% by weight, in particular 15 to 35% by weight, based on. all the detergent.
  • Typical powder detergents containing etheramines according to the invention correspond to the following general formulation:
  • 0 - 8 preferably 0.2 to 5 wt .-% of a foam inhibitor from the group of alkali soaps with essentially C 18 -C 22 fatty acid esters and the non-surfactant foam inhibitors.
  • 50-94.7 preferably 55 to 90% by weight of powdered organic and inorganic builders, optionally including a bleaching component, and 0-10, preferably 0.5 to 10% by weight of conventional additives for detergents from the group of optical brighteners, enzymes, dirt carriers, corrosion inhibitors, textile softeners, antimicrobial agents, dyes and fragrances.
  • Typical liquid detergents according to the invention containing etheramines differ from the powdered formulations in that they have an increased surfactant content and a reduced proportion of builders and the lack of a bleaching component.
  • Such detergents correspond to the following general formula:
  • the liquid fraction consists largely, preferably practically exclusively, of non-ionic surfactants, so that the proportion of liquid carriers is significantly reduced compared to the liquid detergents.
  • Preferred paste-like formulations do not require liquid carrier substances, which themselves do not contribute to the washability, in particular these formulations contain practically no free water, including water amounts below 2% by weight which are not in any form used as water of hydration the individual components are bound, understand.
  • a corresponding frame formulation for paste detergents has the following composition
  • ether amines of the formula I the surfactants and the ether amines preferably being 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 the Kalisei ⁇ fen and in particular the C ⁇ -C. g-potash soaps, and the non-surfactant foam inhibitors, 10-69, preferably 20 to 50 wt. % 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 powder-form detergent for low washing temperatures, which preferably contains a bleaching component composed 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 fat / pigment stains on common textile fabrics, ie on cotton, polyester and blended fabrics, at low washing temperatures.
  • This special combination of surfactants is based on a mixture of nonionic surfactants from at least 2 separately manufactured low ethoxylated C 1 -C 6 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 which are inferior to those of the nonionic ethoxylates, so that, for example, 10% by weight.
  • Parts of the nonionic surfactant mixture 3 to 9 parts by weight of the sulfonate or. Sulfate surfactants are coming.
  • this surfactant combination contains 1 to 5 parts by weight of an etheramine of the formula I, again based on 10 parts by weight of the nonionic surfactant mixture.
  • This surfactant combination which is particularly preferred according to the invention for etheramines 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” referring to the permissible maximum values of the applicable The maximum amount of phosphate is oriented, which currently corresponds to a total detergent formulation with customary metering regulations of about 25% by weight sodium tripolyphosphate based on the total powdered detergent, which value can also be higher with lower-dose detergent concentrates.
  • the foaming power of detergents of this type can be increased by adding a non-surfactant-like foam inhibitor in amounts of from 0.2 to 0.8% by weight or from 0.5 to 5% by weight. -% of an alkali soap from mostly C. gC- Q 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 so that when used in washing machines neither foaming nor difficulties in Rinse occur.
  • Suitable synthetic anionic surfactants are in particular those of the sulfonate and sulfate type.
  • surfactants of the sulfonate type alkylbenzenesulfonates come with a
  • Cg, _ alkyl residue, olefin sulfonates, d. H Mixtures of alkene and hydroxyalkanesulfonates and also disulfonates, as they -C 2 1 8 monoolefins with terminal or internal double bond, for example, from C by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products. Also suitable are the alkanesulfonates which consist of C 1 2 -C.
  • g -alkanes can be obtained by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins, and the esters of alpha-sulfofatty acids, e.g. B. the alpha-sulfonated methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acid ⁇ .
  • Suitable surfactants of the sulfate type are the sulfuric acid monoesters from primary alcohols of natural or synthetic origin, i.e. H . from fatty alcohols, such as. B.
  • coconut fatty alcohols taig fatty alcohols, Oleyl alcohol, lauryl, myristyl, palmityl or stearyl alcohol, or the C 1 Q -C- 0 -oxo alcohols, and those secondary alcohols of this chain length.
  • 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 the insbeson particular C 1 -C 2 1 8 fatty acids, the water-soluble salts of the acyl cyanamides of formula RCONH-CN, wherein R represents a Alkyi- or alkenyl group having 9 to 23, preferably 11 to 17 atoms Kohlenstoff ⁇ .
  • 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.
  • nonionic surfactants 3 to 20 moles of ethylene oxide to primary are particularly important as nonionic surfactants.
  • alcohols such as B. on coconut or tallow fatty alcohols, on oleyl alcohol, on oxo alcohols, or on secondary alcohols of this chain length.
  • water-soluble nonionics included here they are not or. not completely water-soluble, low ethoxylated fatty alcohol polyglycol ether with 3 to 7 ethylene glycol ether residues in the molecule of particular interest, especially when they are used together with water-soluble nonionic or anionic surfactants.
  • the non-ionic surfactants also include the water-soluble adducts of ethylene oxide with polypropylene glycol, alkylenediamine and 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups.
  • Non-ionic 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. Be ⁇ as part of the surfactant was also the wasser ⁇ soluble alkyl glucosides, whose hydrophobic C_-C 2n alkyl group is linked to a usually oligomeric hydrophilic glucoside suitable.
  • the preferred nonionic surfactants are the alkanols or substituted with ethoxy groups as hydrophilic nitrogen - free groups. Alkenols.
  • the expression “nonionic surfactants (nonionics)” therefore does not include the ether amines of the formula I 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; Sei ⁇ the saturated C_ fen 0 -C_ above fatty acids are therefore be ⁇ Sonders as foam inhibitors for detergents based on sodium triphosphate as a builder, whereas in the predominantly zeolite-containing detergents already C. -C. »Soaps show good foam inhibition, especially at low washing temperatures.
  • the non-surfactant-like foam inhibitors are generally water-soluble, mostly containing aliphatic C 1 -C 4 -hydrocarbon compounds.
  • Corresponding foam inhibitors are e.g. B. N-alkylaminotriazines with sentlichen in we ⁇ 8 to 18 carbon atoms in the alkyl, aliphatic C 1 0 -C., N ketones such. B. Stearone, and in particular paraffins lo 4U and halogen paraffins with melting points below 100 ° C. and silicone oil dispersions based on organopolysiloxanes and microfine silica, which can optionally be silanated.
  • Suitable organic and inorganic builders for detergents containing etheramines 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.
  • Nitrilotriacetic acid ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid and higher homologues.
  • 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, ethylenediamine tetramethylene tetraphosphonic acid, diethylene triamine pentamethylene pentaphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid,
  • the N- and P-free polycarboxylic acids which form complex salts with calcium ions are of particular importance.
  • Low molecular weight compounds such as.
  • 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.
  • Polyacrylic acid, poly-alpha 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.
  • 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. Copoly ⁇ mers of acrylic acid, methacrylic acid or maleic acid with vinyl ethers, such as vinyl methyl ether or vinyl ethyl ether, further 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 which contain 40 to 90% by weight of acrylic acid or methacrylic acid and 60 to 10% by weight of 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 homopolymers or copolymers is generally 1,000 to 150,000, preferably 1,500 to 100,000.
  • Suitable water-insoluble inorganic builders are suitable substitute as the phosphate in the German patent application DE 24 12 837 described in more detail for detergents and cleaners finely divided synthetic, bound water-containing sodium umalumosilikate from 'zeolite A type.
  • 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% 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, sulfates or silicates of the alkalis.
  • 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 agents is 10 to 40% by weight, preferably 12 to 20% by weight. -%, of polymers or. copolymeric carboxylic acids or. their salts 0, 5 to 5, preferably 0, 8 to 4% by weight and sodium silicate 1 to 7% by weight, preferably 2 to 6% by weight.
  • Suitable framework acids are sodium carbonate and - if there are no concerns about the sub-use of minor amounts of phosphates - polyphosphates, in particular pentasodium tripolyphosphate. Its proportion can be up to 25 wt. %, 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 be used, for example polyacetals of glyoxylic acid in the form of sodium salts. "
  • the framework salts also include the sequestering agents from the classes of the aminopolycarboxylic acids and polyphosphonic acids, which are usually present in a comparatively " small amount " and act as so-called co-builders, stabilizers, precipitation preventers (threshold substances).
  • the aminopolycarboxylic acids include ethylenediaminetetraacetic acid, which Diethylenetriaminepentaacetic acid and its higher homologs Suitable polyphosphonic acids are 1-hydroxyethane-1, 1-diphosphonic acid, aminotri- (methylenephosphonic acid), ethylenediaminetetra- (methylenephosphonic acid) and their higher homologs, such as diethylenetriamine tetra- (methylenephosphonic acid)
  • the abovementioned polycarboxylic acids or polyphosphonic acids are usually used in the form of the sodium or potassium salts is generally 0.1 to 5% by weight, preferably 0.2 to 1% by weight.
  • the other usual detergent components include anti-graying substances, optical brighteners, enzymes, bleaching agents and bleach activators, foam inhibitors, colorants and fragrances, bioeides, neutral salts and substances which improve the powder quality.
  • Suitable anti-graying agents 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 metal 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, the parts of the morpholino group carry a diethanolamino group, and brighteners of the substituted diphenylstyrene type, for example the alkali metal salts of 4,4'-bis (2-sulfostyryl) diphenyl, 4,4, are also suitable '-Bis- (4-chloro-3-sulfostyryl) diphenyl and 4- (4-chlorostyryl-4' - (2-sulfostyryl) diphenyls.
  • Enzymes from the class of proteases, lipases and amylases or their mixtures are possible. Enzymatic active ingredients obtained from bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus are particularly suitable. The enzymes can be embedded in coating substances in order to protect them against premature decomposition.
  • the perhydrates and per-compounds commonly used in detergents and bleaches come in as bleaching components Question.
  • the perhydrates preferably include sodium perborate, which can be present as a tetrahydrate or 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 polyacylated alkylenediamines, such as tetraacetylmethylene diamine, tetraacetylethylenediamine and their higher homologues, and acylated glycolurils, such as tetraacetylglycoluril.
  • carboxylic 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, which acts as a stabilizer for per compounds, can be considered 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 be generally 0.01 to 0.5% by weight in the case of highly effective silicone defoamers, or up to 2% by weight in the case of waxy or paraffinic substances or higher molecular weight fatty acids.
  • the proportion of sodium suifate can be up to 25% by weight, or even more in special cases.
  • Further detergents according to the invention contain 1 to 5% by weight of amidoamine of the formula II, the amidoamine differing from fat
  • the weight ratio of (i): (ii): the amidoamine is 1: (2 to 6): (0.8 to 2.5) and the weight ratio of (i + ii + amidoamine): the base materials is 4: 1 is up to 1: 2, it also contains water-soluble surfactants of the sulfonate type and / or sulfate type.
  • the nonionic surfactants consist of a mixture of selected nonionic surfactants which, owing to their comparatively low degree of ethoxylation, are insoluble or only partially soluble in water, but are nevertheless dispersible. Their HLB values are below 12, mostly between 6 and 11.5.
  • the non-ionic surfactant listed under (i) is derived from primary fatty alcohols of natural or synthetic origin, which can be saturated, monounsaturated, linear or methyl-branched in the 2-position (oxo radical).
  • Linear fatty alcohols are preferably used as starting materials, ie cetyl alcohol, stearyl alcohol, oleyl alcohol and mixtures thereof, e.g. B. Taig fatty alcohol.
  • the average number of glycol ether groups is 4 to 6, in particular 5.
  • these are mixtures which can also contain portions with a lower and higher degree of ethoxylation. However, as indicated, the statistical maximum or the average degree of ethoxylation should be 4 to 6, preferably 5.
  • the HLB value of the (i) fraction is between 7.5 and 10, preferably 8.2 to 9.3.
  • the nonionic surfactant listed under (ii) is also derived from fatty alcohols or oxoalcohols with 10 to 14 carbon atoms. Linear alcohols with 12 to 14 carbon atoms are preferably used as starting materials, ie lauryl alcohol and myristyl alcohol and mixtures thereof. C - C obtained from coconut fatty alcohols are particularly useful. "-Alcohol mixtures, the proportion of shorter-chain alcohols expediently below
  • the average number of ethylene polyglycol ether groups is 4 to 6, in particular 5.
  • the HLB value of the (ii) fraction is between 8.5 and 12, preferably between 9 and 11.5.
  • the aminoamide is derived from saturated or monounsaturated fatty acids having 10 to 18, preferably 12 to 18, carbon atoms, with particular preference being given to those fatty acids whose acyl radicals are more than 50% by weight, in particular more than 65% by weight .-% consist of those with 12 to 14 carbon atoms. Mixtures obtained from coconut fatty acids are particularly suitable, from which the fraction with 10 and fewer carbon atoms has been largely separated.
  • the diamine residue is derived from alkylated diamines, such as ethylenediamine, 1,3-propylenediamine and 1,4-butylenediamine. Methyl, ethyl, propyl or isopropyl groups are suitable as aikyl groups. Preferably the sum of the
  • Examples of such compounds are N, N-dimethylethylenediamine, N, N-dimethylpropylenediamine, N-methyl-N-ethylethylenediamine, N, N'-dimethylethylenediamine, N, N'-dimethylpropylenediamine, N-methyl-N '-ethyl-propylenediamine and mixtures of such alkylated alkylenediamines.
  • the weight ratio (i): (ii): aminoamide is 1: (2-6): (0, 8-2, 5), preferably 1: (3-5): (1-2), being in the preferred range there is a particularly balanced ratio with regard to cleaning ability, in particular with respect to greasy and oily soiling.
  • the aminoamide content of the agents is preferably 1 to 5% by weight.
  • anionic surfactants of the suifonate type or. Sulfate types are suitable for the detergents already described for etheramines.
  • the weight ratio of the nonionic component (surfactants + aminoamide) to anionic component is 4: 1 to 1: 2, in particular 2: 1 to 1: 1. In this area, the washing power is particularly pronounced against both greasy and mineral soiling.
  • the content of the agent in the aforementioned surfactants is a total of 10 to 25% by weight, preferably 12 to 20% by weight.
  • the agents according to the invention are in the form of granular powders or powder mixtures which can be obtained in a suitable manner by granulating, spray drying, spray mixing, homogenizing or by a combination of these procedures. Since the non-ionic surfactants and the aminoamides consist of liquid compounds which tend to stick and which, owing to their tendency to "pluming", are only suitable to a limited extent for spray drying, it is often necessary for them to be adsorbed onto a carrier substance is.
  • Suitable carriers are the builders, in particular zeolite, phosphates, silicates, nitrilotriacetate and their mixtures, and also spray-dried mixtures of skeletal salts, anionic surfactants and other constituents, insofar as these are stable under the conditions of spray drying.
  • Carrier substances consisting of skeletal salts can also contain neutral salts, such as sodium sulfate, graying inhibitors, Mg silicate and additional adsorbents, such as finely divided silica, finely divided aluminum oxide, smectite clays, layered silicates and bentonites.
  • skeleton salt mixtures prepared by build-up granulation as the carrier substance for the nonionic surfactants and the aminoamides.
  • the granules can also be provided with adsorbent coatings which prevent sticking, which can be done, for example, by powdering with the aforementioned fine-particle adsorbents.
  • a particularly preferred embodiment of the invention is that 30 to 100% by weight of the anionic surfactants are present in the form of granules containing the zeolite, the salt of the polymeric or. copolymers' carboxylic acid and the sodium silicate or. part of the total sodium silicate present.
  • Suitable granules have the following composition (in% by weight, based on the granulate):
  • Drying temperature of 145 ° C is removable, 0, 5 - 5, preferably 2 - 4% dispersion stabilizer.
  • Dispersion stabilizers are to be understood as meaning compounds which are used to stabilize aqueous or pasty zeolite slurries. They are generally added to these slurries during their manufacture or to moist filter cakes and also remain in the process. Processing in the zeolites. For this purpose, reference is made to DE 25 27 388.
  • stabilizers are neutral salts, such as sodium sulfate, nonionic surfactants from the class of ethoxylated fatty alcohols with 12 to 18 carbon atoms and 3 to 10 glycol ether groups, and polymeric and copolymeric carboxylic acids.
  • the dispersion stabilizer consists of the nonionic surfactant or. part of the same.
  • the granulate which is preferably produced by spray drying and is described in more detail in patent application P 34 44 960 (D 7180), has an average grain size of 0.2 to 1.2 mm and contains less than 2% by weight. in dusty parts (grain size less than 0.05 mm) and not more than 5% by weight of coarse parts (grain size more than 2 mm). Its bulk density is 400 to 700 g / l. It is characterized by a very high adsorption capacity for liquid or paste-like substances and is therefore particularly suitable as a carrier for the nonionic surfactants.
  • the agent according to the invention is therefore present as a mixture of several partial powders.
  • a partial powder consisting of the granules of zeolite described above, (co) polymeric carboxylic acid salt, sodium silicate, water, the nonionic dispersion stabilizer and the nonionic surfactant component adsorbed on these granules and the amidoamine.
  • a partial powder consisting of the anionic surfactant component, the skeletal salts not contained in the granules and further detergent components, insofar as these are suitable spray drying is suitable. These include complexing agents, graying inhibitors, optical brighteners, neutral salts.
  • (C) One or more partial powders which contain such constituents which, for reasons of stability, should not be brought into direct contact with the constituents of the partial powders (A) and (B) or should not be spray-dried.
  • These ingredients include bleach, bleach activators, foam inhibitors, enzymes, fragrances, and bioeids. These substances are generally prepared separately or converted into a suitable powder or granulate form and mixed with the other partial powders. Liquid components, such as perfume oils, can also be applied to other granular partial powders, e.g. B. the perborate, sprayed on and added to the mixture together with this.
  • the foam inhibitors are also preferably applied to an adsorbent carrier substance or embedded in a water-soluble coating material in order to protect them against interactions with other powder constituents and the resulting loss of activity.
  • the invention further relates to a process for the production of the detergents containing amidoamines according to the invention.
  • This method consists in that a granulate of the composition (in% by weight)
  • zeolite 60-80%, in particular 65-75%, zeolite, 3-20%, in particular 4-15% polycarboxylic acid salt, 0.1-2%, in particular 0.15-1% sodium silicate, 8-1 8%, in particular 10 - 16% water, which at a
  • Drying temperature of 145 ° C is removable, 0.5 - 5%, preferably 2 - 4% dispersion stabilizer by spray drying, the granules are impregnated with a mixture of the nonionic surfactants and the aminoamide, and the partial powder (A) obtained is mixed with a spray-dried partial powder (B) according to the composition given above and further partial powders (C) according to the composition given above.
  • compositions of the invention are characterized by a high detergency power supply in particular by an excellent Reini ⁇ against persistent * greasy stains, such as those made of food and sauces residues, skin fat, lipstick and mascara from.
  • a high detergency power supply in particular by an excellent Reini ⁇ against persistent * greasy stains, such as those made of food and sauces residues, skin fat, lipstick and mascara from.
  • liquid non-ionic surfactants Despite their comparatively high content of liquid non-ionic surfactants, they are extremely pourable and free-flowing and do not tend to grease cardboard packaging.
  • d. H Adsorbing the non-ionic surfactant on the previously prepared granules of zeolite, polymeric acid and sodium silicate completely avoids the formation of aerosols in the exhaust air from the spray towers.
  • This example shows the increase in the primary washing power on pigment / grease stains and on bleachable stains under the conditions of machine washing.
  • the tests were carried out at 40 ° C. and 60 ° C. in a Miele W 433 washing machine. Further test information: 1 -Lye program, liquor ratio 1: 5, 6 at approx. 20 liters of washing liquor; Detergent concentration 6.9 g / l; Water hardness 16 ° d; 3-fold determination using 3.6 kg clean filling laundry, each with 2 rags (sewn on the filling laundry) of the test soils specified below.
  • the following were used as pigment / grease stains: dust-wool grease on unrefined cotton; Dust-skin fat on refined cotton and dust-skin fat on cotton / polyester blend. Bleachable stains were used with red wine, blackberry, tea and coffee.
  • Test detergent formulation 4% by weight alkylbenzenesulfonate
  • amine compound remainder up to 100 cew. -%: Perborate stabilizer, dirt carrier, silicone foam brake, sodium sulfate and water.
  • the pH of a 1 wt. % aqueous solution of this detergent was 9.9.
  • amine compound is an ether amine of the formula IC was 1 l 4 -Kokosalkyl- (OCH 2 CH 2) used 2 / C 3 H 6 -NH-CH 2 CH 2 0H; the pK. -Value of this etheramine is 6.7.
  • a comparison was made with the well-known detergent boosters Kokosamin + 2 EO. Result :
  • the mean values from the individual reflectance values were determined.
  • the pigment / grease stains were found to have a value of 63.8% R for the etheramine formulation and 62.9 for the known detergent booster.
  • corresponding reflectance values 61, 9 for the recipe according to the invention and 60, 8 for the known detergent booster were found.
  • the corresponding reflectance values were 69, 4 and 69, 0 (pigment / fat). and 68, 6 and 67, 8 (bleachable stains).
  • the two test detergents in this example were subjected to an odor test by a group of 3 experienced persons and compared with the detergent without a detergent-enhancing additive.
  • the recipe according to the invention with the etheramine of the composition specified above, only a weak intrinsic odor was found, which was considerably less than the odor of the recipe with coconut amine + 2 EO.
  • the reflectance values of the formulation according to the invention are slightly but significantly above the values of the comparative detergent.
  • the inherent smell of etheramine is considerably less than that of coconut amine + 2 EO, which is of great importance in the perfuming of such a washing powder as is required by the market.
  • the zeolite used had a particle size of 1 to 8 microns, the proportion over 8 microns being 6% by weight. There were no portions above 20 microns.
  • a copolymer of acrylic acid and maleic acid with an average molecular weight of 70,000 (Sokalan CP5 ⁇ ') in the form of the sodium salt was used as the polycarboxylic acid.
  • the liter weight was 550 g / l.
  • 67.6 parts by weight of the granules were sprayed with a molten mixture of the nonionic surfactant and the aminoamide described in more detail below in a spray mixing apparatus consisting of a cylindrical drum (L ⁇ DIGE mixer) equipped with mixing elements and spray nozzles inclined to the horizontal.
  • the temperature of the granules was 20 ° C, that of the surfactant melt 50 ° C.
  • the surfactant mixture consisted of 4.1 parts by weight of tallow alcohol with 5 EO (remaining part of component (i), 20 parts by weight of a lauryl alcohol-myristyl alcohol mixture (2: 1) with 5 EO (component (ii)) and 8, 3 parts by weight of the amino amide N-cocosacyl-N'-dimethylpropyiendiamine, in which the acyl radical is a C.sub .-- C. mixture with a mean chain length of C._ _ The pK.
  • composition of the agent and other agents produced in the same way are listed in Table 1 (in% by weight).
  • N-acyl-N'-dimethyl-propylenediamine 2.5 3.0 3.0 2.0
  • Acrylic acid-maleic acid copol 1.5 1.5 1.5 1.5 1.5 1.5 1.5
  • detergents which contained the following surfactants with the same composition as Example 2 (see Table II):
  • compositions experiment 1 and 2 correspond to the surfactant compositions of commercially available high-performance detergents.
  • Experiment 3 corresponds to agents according to US 3 925 224. The results show the superiority of the agents according to the invention.
  • a 1% by weight solution of the detergent had a pH between 9.5 and 10.
  • the pK. -Values of the morpholine derivatives are 6.3 for N-hexylmorpholine

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Abstract

L'agent de lavage à base de dérivés tensio-actifs anioniques et non ioniques comprend un composé aminé aliphatique comme additif renforçateur de lavage, qui est choisi de façon que sa valeur pKb soit au moins égale à 14, diminuée du pH de départ d'une solution aqueuse à 1% de l'agent de lavage contenant le composé amino. Des composés aminés renforçateurs de lavage qui sont choisis d'après la règle énoncée, sont certains ethers aminés, des composés amido-amines, des dérivés de glucamine ou des dérivés de morpholine.
EP86903376A 1985-06-22 1986-06-16 Agent de lavage pour basses temperatures de lavage Withdrawn EP0227720A1 (fr)

Applications Claiming Priority (4)

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DE19853522389 DE3522389A1 (de) 1985-06-22 1985-06-22 Koerniges waschmittel mit verbessertem reinigungsvermoegen
DE3522389 1985-06-22
DE19863606828 DE3606828A1 (de) 1986-03-03 1986-03-03 Waschmittel fuer niedere waschtemperaturen
DE3606828 1986-03-03

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WO1986007603A1 (fr) 1986-12-31

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