EP3819360A1 - Solubilité améliorée des systèmes tensioactifs par adaptation de l'ajout de la matière première - Google Patents

Solubilité améliorée des systèmes tensioactifs par adaptation de l'ajout de la matière première Download PDF

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Publication number
EP3819360A1
EP3819360A1 EP20191748.1A EP20191748A EP3819360A1 EP 3819360 A1 EP3819360 A1 EP 3819360A1 EP 20191748 A EP20191748 A EP 20191748A EP 3819360 A1 EP3819360 A1 EP 3819360A1
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EP
European Patent Office
Prior art keywords
weight
ether
fatty alcohol
amine oxide
composition
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.)
Pending
Application number
EP20191748.1A
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German (de)
English (en)
Inventor
Alexander Tollkoetter
Peter Victor
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
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Henkel AG and Co KGaA
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Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP3819360A1 publication Critical patent/EP3819360A1/fr
Pending legal-status Critical Current

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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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
    • 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
    • C11D3/43—Solvents
    • 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
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers
    • 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
    • C11D1/75—Amino oxides

Definitions

  • the invention relates to a method for producing surfactant-containing compositions for use as washing and cleaning agents, comprising or consisting of the following steps: (a) placing at least one solvent in a container; then (b) adding at least one fatty alcohol ether sulfate; thereafter (c) adding at least one amine oxide; and then optionally (d) adding at least one additive; the components optionally being mixed after step (b) and / or (c) and / or (d).
  • the invention also relates to a washing and cleaning agent obtainable by the method according to the invention.
  • SLES sodium lauryl ether sulfate
  • Texapon N70 sodium lauryl ether sulfate
  • the present invention solves this problem by changing the order in which the raw material is added.
  • the dosing sequence according to the invention makes it possible to prevent the gelling of surfactants and thus the impairment of the performance and aesthetics of detergents and cleaning agents: first solvent, then SLES, then amine oxide and then optionally additives.
  • first solvent then SLES, then amine oxide and then optionally additives.
  • simple mixing techniques, and thus equipment can be used, which go hand in hand with a simpler and more efficient manufacturing process.
  • the at least one solvent is selected from the group consisting of water, ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, Ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol, 3-propylene glycol, 3-propylene glycol, 3-propylene glycol, 3-propy
  • the at least one fatty alcohol ether sulfate and the at least one amine oxide are used in a ratio of 10: 1 to 1:10, preferably 8: 1 to 1: 1 (fatty alcohol ether sulfate: amine oxide), more preferably 5: 1 to 3: 1 (fatty alcohol ether sulfate: amine oxide), most preferably from 4: 1 (fatty alcohol ether sulfate: amine oxide), the fatty alcohol ether sulfate preferably being more highly concentrated than the amine oxide.
  • the at least one additive is preferably selected from colorants, perfume, preservatives and enzymes, more preferably at least one additive from colorants, perfume, preservatives and enzymes is added in each case.
  • composition is preferably essentially free of betaines.
  • the surfactant-containing composition is a dishwashing detergent, more preferably a hand dishwashing detergent.
  • the invention relates to a washing and cleaning agent, preferably a dishwashing agent, more preferably a hand dishwashing agent, obtainable by the method according to the invention.
  • At least one refers to 1 or more, for example 2, 3, 4, 5, 6, 7, 8, 9 or more. In connection with constituents of the compounds described herein, this indication does not refer to the absolute amount of molecules, but to the type of constituent. “At least one amine oxide” therefore means, for example, that only one type of amine oxide compound or several different types of amine oxide compounds can be present without specifying the amount of the individual compounds.
  • the expression “essentially free from” means that the respective compound can in principle be included, but is then present in an amount that does not impair the function of the other components.
  • the property “essentially free of” a certain compound is therefore preferably a total weight of less than 0.1% by weight, more preferably less than 0.001% by weight, in particular free of this, based on the total weight the composition.
  • Information about the molecular weight relate to the weight average molecular weight in g / mol, unless the number average molecular weight is explicitly mentioned.
  • Molecular weights are preferably determined by means of GPC using polystyrene standards.
  • components of the present agents are salts, they are preferably alkali metal or alkaline earth metal salts of the respective compounds, more preferably the alkali metal salts, in particular the sodium or potassium salts, most preferably sodium salts, thereof.
  • alkaline earth metals are mentioned in the following as counterions for monovalent anions, this means that the alkaline earth metal is of course only present in half the amount of substance - sufficient to balance the charge - as the anion.
  • the at least one solvent is first added to the container.
  • the at least one solvent is preferably or comprises water or a mixture of water and a non-aqueous solvent.
  • Suitable non-aqueous solvents are monohydric or polyhydric alcohols, alkanolamines or glycol ethers, provided they are miscible with water in the specified concentration range.
  • the solvents are preferably selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol ether butyl glycol ether, Diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, methoxy triglycol, ethoxy triglycol, butoxy triglycol, 1-butoxyethoxy-2-propanol, di-butoxyethoxy-2-propanol, 3-but
  • the solvent can also preferably be sodium cumene sulfonate and / or Contain potassium cumene sulfonate.
  • sodium cumene sulfonate and / or potassium cumene sulfonate is contained in 1 to 40% by weight, based on the total weight of the solvent.
  • the cumene sulfonates act as solubilizers.
  • the one or more non-aqueous solvents is / are usually contained in an amount of 0.1 to 12% by weight, preferably 1 to 8% by weight, based on the total weight of the composition.
  • the surfactant-containing composition produced by the process according to the invention is liquid and contains water as the main solvent, i.e. it is an aqueous surfactant-containing composition for use as a washing or cleaning agent, preferably as a dishwashing detergent.
  • the solvent content of the surfactant-containing composition is usually 5 to 95% by weight, preferably 15 to 95% by weight, more preferably 20 to 90% by weight. In various embodiments, the solvent content is more than 5% by weight, preferably more than 15% by weight and particularly preferably more than 25% by weight, based in each case on the total weight of the composition.
  • the at least one solvent is or comprises a mixture of ethanol and water.
  • the ethanol-water mixture is preferably in an amount from 15 to 95% by weight, more preferably from 20 to 90% by weight, even more preferably from 30 to 85% by weight, based on the total weight of the composition , contain.
  • the container in which the at least one solvent is presented according to the invention is preferably a boiler, a reactor or a container of a device or a machine that preferably has a stirring and / or metering device for metering and mixing the individual components, for example a continuous production unit.
  • the volume of the container is preferably between 1000 mL and 100,000 L.
  • the components in the container can preferably be mixed, for example by stirring or shaking.
  • Preferred stirred tanks and devices / machines, in particular with a stirring or shaking device are axial stirring elements, such as an Intermig stirrer or dynamic rotor-stator systems, such as a Pentax from SPXFlow or DLM from Indag Maschinenbau GmbH.
  • stirring speeds of preferably 4000-8000xd stirrer ⁇ (2/3), preferably 5000-6000xd stirrer ⁇ (2/3), depending on the stirrer diameter, are to be used.
  • the stirring time varies, optionally also with dynamic mixers, for mixing in preferably 0.5-3xwt% xmin, more preferably 1-1.5xwt% xmin.
  • At least one fatty alcohol ether sulfate is added to the solvent.
  • the fatty alcohol ether sulfate is one of the anionic surfactants.
  • the at least one fatty alcohol ether sulfate is or comprises a salt of lauryl ether sulfate, more preferably sodium lauryl ether sulfate (SLES).
  • SLES sodium lauryl ether sulfate
  • At least one fatty alcohol ether sulfate which was preferably mixed with the at least one solvent, more preferably stirred, in the process according to the invention at least one amine oxide, a nonionic surfactant, is added to the container.
  • the at least one amine oxide is or comprises a compound which has the formula R 1 R 2 R 3 NO, where each R 1 , R 2 and R 3 independently of the others is an optionally substituted, for example hydroxy-substituted, C 1 -C 30 hydrocarbon chain, preferably a C 1 -C 20 hydrocarbon chain, more preferably a C 1 -C 18 hydrocarbon chain.
  • Amine oxides used with preference are those in which R 1 is C 12 -C 18 alkyl and R 2 and R 3 are each independently C 1 -C 4 alkyl.
  • amine oxides are N-cocoalkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylamine oxide.
  • the at least one amine oxide is preferably selected from C 12-18 amine oxides, particularly preferably from C 12-18 alkyldimethylamine oxides, most preferably it is C 12 alkyldimethylamine oxide.
  • the at least one amine oxide is in 0.1 to 20% by weight, preferably 0.5 to 10% by weight, more preferably in 1 to 8% by weight, even more preferably from 3 to 6.5 % By weight based on the total weight of the composition.
  • the at least one fatty alcohol ether sulfate and the at least one amine oxide are used in a ratio of 10: 1 to 1:10, preferably 8: 1 to 1: 1 (Fatty alcohol ether sulfate: amine oxide), more preferably from 5: 1 to 3: 1 (fatty alcohol ether sulfate: amine oxide), for example 4: 1 (fatty alcohol ether sulfate: amine oxide), the fatty alcohol ether sulfate preferably being more highly concentrated than the amine oxide.
  • Suitable surfactants include, for example, the alkylbenzene sulfonates, alkyl sulfates, alkyl ester sulfonates, secondary alkane sulfonates, fatty alcohol alkoxylates, alkyl glycosides, alkoxylated fatty acid alkyl esters, fatty acid alkanolamides, hydroxy mixed ethers, sorbitan fatty acid esters, polyhydroxy fatty acid amides and alcohols.
  • Such surfactants are known in the prior art.
  • the at least one further anionic, nonionic or zwitterionic surfactant is preferably in 0.1 to 20% by weight, more preferably in 0.5 to 15% by weight, even more preferably in 1 to 10% by weight. -%, even more preferably in 1.5 to 5% by weight, based on the total weight of the composition.
  • composition for use as a washing and cleaning agent preferably as a dishwashing agent, more preferably as a hand dishwashing agent, is preferably essentially free of cationic surfactants.
  • additives to improve the drainage and drying behavior are preferably selected from the group consisting of additives to improve the drainage and drying behavior, to adjust the viscosity and / or for stabilization, UV stabilizers, enzymes, perfume, pearlescent agents, Colorants, corrosion inhibitors, preservatives, bitter substances, organic salts, disinfectants, structuring polymers, defoamers, encapsulated ingredients (e.g. encapsulated perfume), pH adjusters and additives that improve or care for the skin, more preferably made from colorants, perfume, preservatives and enzymes.
  • At least one further additive is added to the surfactant-containing composition produced by the process according to the invention, this is preferably in an amount of from 0.01 to 20% by weight, more preferably from 0.1 to 10% by weight, even stronger preferably from 1 to 5% by weight, based on the total weight of the composition.
  • the at least one optionally added additive is preferably an enzyme, more preferably a protease.
  • the proteases used are preferably alkaline serine proteases. They act as unspecific endopeptidases, that is, they hydrolyze any acid amide bonds that are inside peptides or proteins, thereby breaking down protein-containing soiling on the items to be cleaned.
  • subtilisin 309 examples of the proteases that can be used in the method according to the invention are subtilisin 309 or functional fragments / variants thereof and variants of the alkaline protease from Bacillus lentus or variants thereof.
  • Subtilisin 309 is sold under the trade name Savinase® by Novozymes A / S, Bagsvaerd, Denmark.
  • Optimized enzyme variants of the subtilisin 309 from Bacillus lentus are available from Novozymes under the trade names Blaze® and Ovozyme®, which represent a preferred embodiment of the invention.
  • the protease variants under the name BLAP® are derived from the alkaline protease from Bacillus lentus DSM 5483.
  • Protease variants are particularly preferred here which have at least one mutation at R99 compared to the BLAP wt (wild type) enzyme, in the count according to BLAP wt, in particular R99E or R99D, particularly preferred is R99E, and optionally additionally at least one or two , preferably has all three of the amino acid substitutions S3T, V4I and V199I, particularly preferred are the BLAP variants as they are in SeqID No 4 or 5 of the WO2014 / 177430 are described.
  • the enzymes that can be used as optional additives can also be packaged together with accompanying substances, for example from fermentation.
  • the enzymes are preferably used as liquid enzyme formulation (s).
  • the proteases are not provided in the form of the pure protein, but rather in the form of stabilized, storable and transportable preparations.
  • These ready-made preparations include, for example, the solid preparations obtained by granulation, extrusion or lyophilization or, in particular in the case of liquid or gel-like agents, solutions of the enzymes, advantageously as concentrated as possible, with little water and / or with stabilizers or other auxiliaries.
  • the enzymes can be encapsulated, for example by spray drying or extrusion of the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are enclosed as if in a solidified gel or in those of the core-shell type, in which an enzyme-containing core is covered with a protective layer impermeable to water, air and / or chemicals.
  • Additional active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes, can also be applied in superimposed layers.
  • Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes. Such granulates are advantageously low in dust, for example through the application of polymeric film-forming agents, and, owing to the coating, are stable in storage.
  • enzymes in particular amylases, hemicellulases, cellulases, lipases and oxidoreductases, can also be added.
  • the amylase (s) is preferably an ⁇ -amylase.
  • the hemicellulase is preferably a ⁇ -glucanase, a pectinase, a pullulanase and / or a mannanase.
  • the cellulase is preferably a cellulase mixture or a one-component cellulase, preferably or predominantly an endoglucanase and / or a cellobiohydrolase.
  • the oxidoreductase is preferably an oxidase, in particular a choline oxidase, or a perhydrolase.
  • the enzymes mentioned can all be formulated as described above for the proteases.
  • the at least one additive comprises a protease in an amount of from 0.01 to 1.6% by weight, preferably from 0.08 to 1.2% by weight, based on the total weight of the composition.
  • the enzyme (s) can be pre-formulated with enzyme stabilizers in an enzyme composition.
  • the enzyme protein usually only forms a fraction of the total weight of the enzyme preparation.
  • Enzyme preparations used with preference contain between 0.1 and 40% by weight, preferably between 0.2 and 30% by weight, more preferably between 0.4 and 20% by weight and most preferably between 0.8 and 10 % By weight of the enzyme protein.
  • an enzyme stabilizer can be contained in an amount of from 0.05 to 35% by weight, preferably from 0.05 to 10% by weight, based on the total weight in the enzyme composition.
  • This enzyme composition can then be added as an additive in the process according to the invention, specifically in amounts which lead to the above-specified final concentrations in the composition.
  • Suitable enzyme stabilizers are known in the prior art.
  • one or more enzyme stabilizers can accordingly also be added in the method according to the invention.
  • the protein concentration can be determined with the aid of known methods, for example the BCA method (bicinchoninic acid; 2,2'-bichinolyl-4,4'-dicarboxylic acid) or the biuret method.
  • the active protein concentration is determined by titrating the active centers using a suitable irreversible inhibitor (for proteases, for example, phenylmethylsulfonyl fluoride (PMSF)) and determining the residual activity (cf. M. Bender et al., J. Am. Chem. Soc. 88, 24 (1966), pp. 5890-5913 ).
  • a suitable irreversible inhibitor for proteases, for example, phenylmethylsulfonyl fluoride (PMSF)
  • additives can be added which further improve the application and / or aesthetic properties of the surfactant-containing composition.
  • one or more additives from the group of polymers and builders can be added, usually in an amount of from 0.001 to 5% by weight, preferably from 0.01 to 4% by weight %, more preferably 0.1 to 3% by weight, even more preferably 0.2 to 2% by weight, in particular 0.5 to 1.5% by weight, for example 1% by weight.
  • Polymeric thickeners are, for example, the polycarboxylates which act as polyelectrolytes to thicken, preferably homo- and copolymers of acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and the polysaccharides, in particular heteropolysaccharides, and other customary thickening polymers.
  • Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar, tragacanth, gellan, ramsan, dextran or xanthan and their derivatives, for example propoxylated guar, and their mixtures.
  • Other polysaccharide thickeners such as starches or cellulose derivatives, can be used as an alternative, but preferably in addition to a polysaccharide gum, for example starches of various origins and starch derivatives, e.g.
  • hydroxyethyl starch starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl, hydroxyethyl Hydroxypropyl-, hydroxypropyl-methyl- or hydroxyethyl-methyl-cellulose or cellulose acetate.
  • Acrylic acid polymers suitable as polymeric thickeners are, for example, high molecular weight homopolymers of acrylic acid (INCI Carbomer) crosslinked with a polyalkenyl polyether, in particular an allyl ether of sucrose, pentaerythritol or propylene, which are also referred to as carboxyvinyl polymers.
  • a polyalkenyl polyether in particular an allyl ether of sucrose, pentaerythritol or propylene, which are also referred to as carboxyvinyl polymers.
  • acrylic acid copolymers are the following acrylic acid copolymers: (i) Copolymers of two or more monomers from the group of acrylic acid, methacrylic acid and their simple esters, preferably formed with C 1-4 alkanols (INCI Acrylates Copolymer), to which for example the copolymers of methacrylic acid, butyl acrylate and methyl methacrylate ( CAS 25035-69-2 ) or of butyl acrylate and methyl methacrylate ( CAS 25852-37-3 ) belong; (ii) crosslinked high molecular weight acrylic acid copolymers, including, for example, the copolymers of C 10-30 alkyl acrylates crosslinked with an allyl ether of sucrose or pentaerythritol with one or more monomers from the group of acrylic acid, methacrylic acid and their simple, preferably C 1-4 - Alkanols formed, include esters (INCI Acrylates / C10-30 Alkyl Acrylate
  • the content of polymeric thickener is usually not more than 8% by weight, preferably between 0.1 and 7% by weight, more preferably between 0.5 and 6% by weight, even more preferably between 1 and 5% by weight. -%, and in particular between 1.5 and 4% by weight, for example between 2 and 2.5% by weight, based on the total weight of the composition prepared.
  • one or more dicarboxylic acids and / or their salts can be added, in particular a composition of Na salts of adipic, succinic and glutaric acid, such as those sold under the trade name Sokalan® DSC is available. They are advantageously used in amounts of 0.1 to 8% by weight, preferably 0.5 to 7% by weight, more preferably 1.3 to 6% by weight and even more preferably 2 to 4% by weight. % based on the total weight of the composition.
  • the agent according to the invention is preferably free from dicarboxylic acid (salts).
  • one or more other - in particular in surfactant-containing compositions for use as hand dishwashing detergents and cleaning agents for hard surfaces - customary additives in particular UV stabilizers, perfume, pearlescent agents (INCI opacifying agents; for example glycol distearate, e.g. Cutina® AGS from Fa. Cognis, or mixtures containing it, e.g. Euperlane® from Cognis), dyes, corrosion inhibitors, preservatives (e.g.
  • dermatologically active substances such as vitamin A, vitamin B2, vitamin B12, Vitamin C, vitamin E, D-panthenol, sericerin, collagen partial hydrolyzate, various vegetable protein partial hydrolyzates, protein hydrolyzate-fatty acid condensates, Liposomes, cholesterol, vegetable and animal oils such as lecithin, soybean oil, etc., plant extracts such as aloe vera, azulene, witch hazel extracts, algae extracts, etc., allantoin, AHA complexes, glycerol, urea, quaternized hydroxyethyl cellulose), in amounts of the usual not more than 5% by weight, based on the total weight of the composition.
  • the pH of the composition can be adjusted by means of customary pH regulators, for example acids such as mineral acids or citric acid and / or alkalis such as sodium or potassium hydroxide, with a range of 6 to 10, preferably 6, especially if hand tolerance is desired. 5 to 9, most preferably from 7.0 to 8.5.
  • acids such as mineral acids or citric acid and / or alkalis such as sodium or potassium hydroxide
  • one or more buffer substances can be added to the composition in the process according to the invention, usually in amounts of 0.001 to 5% by weight, preferably from 0.005 to 3% by weight. %, more preferably from 0.01 to 2% by weight, even more preferably from 0.05 to 1% by weight, most preferably 0.1 to 0.5% by weight, for example 0.2% by weight. -%.
  • buffer substances that are also complexing agents or even chelating agents (chelators, INCI chelating agents).
  • Particularly preferred buffer substances are citric acid or the citrates, in particular the sodium and potassium citrates, for example trisodium citrate ⁇ 2H 2 O and tripotassium citrate ⁇ H 2 O.
  • the surfactant-containing compositions produced according to the invention are essentially free of betaines.
  • the surfactant-containing composition produced by the method according to the invention for use as a washing and cleaning agent is preferably a dishwashing detergent, more preferably a hand dishwashing detergent.
  • the metering sequence of the method according to the invention gives a homogeneous surfactant-containing composition which is suitable for use as a washing and cleaning agent.
  • homogeneous denotes a complete solution of the respective substance in the overall mixture.
  • the complete solution can be demonstrated optically or by the lack of change when mechanical forces act.
  • it is suitable as a (hand) dishwasher detergent for cleaning hard surfaces.
  • the method according to the invention is preferably based on simple, inexpensive stirring techniques in order to obtain the surfactant-containing composition.
  • the invention also relates to a washing and cleaning agent obtainable by the method according to the invention, wherein the washing and cleaning agent is preferably a dishwashing agent and more preferably a hand dishwashing agent.
  • the washing and cleaning agent is preferably suitable for cleaning hard surfaces.
  • a cleaning agent with a surfactant content of 26% by weight of SLES and amine oxide was produced in a stirred kettle. First the solvents water and ethanol were added, then 20.8% by weight of SLES were added and then stirred, then 5.2% by weight of amine oxide was added and then stirred and then dyes, perfume, preservatives and enzymes were added and then mixed. The manufactured / finished product had no aesthetic or performance impairing features.

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  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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  • Detergent Compositions (AREA)
EP20191748.1A 2019-11-06 2020-08-19 Solubilité améliorée des systèmes tensioactifs par adaptation de l'ajout de la matière première Pending EP3819360A1 (fr)

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DE102019129859.8A DE102019129859A1 (de) 2019-11-06 2019-11-06 Verbessertes lösungsverhalten von tensidsystemen durch adaption der rohstoffzugabe

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3011016A1 (de) * 1979-10-11 1981-04-23 The Lion Fat and Oil Co., Ltd., Tokyo Verfahren zur herstellung eines fluessigen wasch- undreinigungsmittels
WO1994014947A1 (fr) * 1992-12-28 1994-07-07 The Procter & Gamble Company Gels detergents clairs
WO2001085896A1 (fr) * 2000-05-12 2001-11-15 Henkel Kommanditgesellschaft Auf Aktien Concentre destine a etre dilue, avec maintien ou augmentation de la viscosite
WO2007057839A2 (fr) * 2005-11-15 2007-05-24 The Procter & Gamble Company Composition detergente de lavage liquide avec un agent tensioactif de sulfate ou sulfonate d’alkyle ou d’hydroxyalkyle d’origine naturelle et des agents tensioactifs de type oxyde d’amine a chaine moyenne ramifiee
WO2011133378A1 (fr) * 2010-04-19 2011-10-27 The Procter & Gamble Company Procédé pour la fabrication d'une composition de base de détergent
WO2014177430A1 (fr) 2013-04-30 2014-11-06 Henkel Ag & Co. Kgaa Produit détergent contenant des protéases

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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