EP3910049A1 - Procédé de fabrication d'un liquide contenant un tensioactif - Google Patents

Procédé de fabrication d'un liquide contenant un tensioactif Download PDF

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Publication number
EP3910049A1
EP3910049A1 EP20173795.4A EP20173795A EP3910049A1 EP 3910049 A1 EP3910049 A1 EP 3910049A1 EP 20173795 A EP20173795 A EP 20173795A EP 3910049 A1 EP3910049 A1 EP 3910049A1
Authority
EP
European Patent Office
Prior art keywords
weight
surfactant
cleaning agent
fatty alcohol
containing liquid
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
EP20173795.4A
Other languages
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
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
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to EP20173795.4A priority Critical patent/EP3910049A1/fr
Publication of EP3910049A1 publication Critical patent/EP3910049A1/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
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D1/02—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
    • 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
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines

Definitions

  • the present invention relates to a method for producing a surfactant-containing liquid, in particular a step-by-step method for producing a surfactant-containing liquid cleaning agent.
  • Liquid cleaning agents are usually produced using a sequential process, in the course of which the ingredients of the cleaning agent are mixed with one another in chronological order.
  • the respective active ingredients of the cleaning agent are added step by step to a solvent system initially introduced.
  • the respective intermediate products and the end product are mixed with the input of energy.
  • the end product is not only characterized by the most homogeneous distribution of active ingredients possible, but also by a viscosity suitable for dosing by the consumer, which is usually above the viscosity of the original solvent system.
  • the homogenization of viscous mixtures is naturally associated with an increased energy input and high mechanical stress on reliable components such as encapsulated active ingredients.
  • the energy input is too low, there is also the risk of gel formation due to incompletely dissolved surfactant constituents.
  • these difficulties can be eliminated by repeatedly adding solvents to the mixture, but this complicates the manufacturing process and is only suitable to a limited extent for the manufacture of concentrated end products with a high active ingredient content.
  • the energy input can be increased. However, this presupposes on the one hand appropriately designed apparatus and can also lead to an undesired entry of gas into the surfactant-containing mixture.
  • the object of the application was to provide a method for producing surfactant-containing liquids, in particular surfactant-containing liquid cleaning agents, which is better than the prior art and which is suitable for ensuring homogeneous product quality with reduced use of solvents and energy input.
  • the method should have the smallest possible number of metering steps.
  • the addition of thickeners should be avoided.
  • process steps i) to iv) are preferably carried out in a stirred tank, while the surfactant-containing liquid cleaning agent is preferably produced in a pipeline if the process is carried out continuously.
  • the cleaning agents produced by means of the method preferably had a viscosity (20 ° C., Brookfield laboratory LVDVII +, spindle 31, 6 rpm, small sample adapter) of 200 to 15,000 mPas, preferably 500 to 12,000 mPas.
  • a corresponding viscosity has proven to be particularly advantageous for the dosage of the agent by the consumer.
  • the first essential component of the liquid cleaning agents is surfactant in a proportion by weight of 5 to 40% by weight.
  • the surfactant content of the cleaning agents that can be produced using the process according to the invention thus includes both the low-concentration commercial cleaning agents with a surfactant content between 5 and 15% by weight and the less common concentrates with a surfactant content between 25 and 40% by weight.
  • the group of surfactants includes anionic, nonionic, cationic and amphoteric surfactants.
  • the compositions according to the invention can comprise one or more of the surfactants mentioned.
  • the compositions produced according to the invention contain at least one anionic surfactant and a nonionic and / or an amphoteric surfactant as surfactant.
  • the anionic surfactant is preferably selected from the group comprising C 9 -C 13 -alkylbenzenesulfonates, olefin sulfonates, C 12 -C 18 -alkanesulfonates, ester sulfonates, alk (en) yl sulfates, fatty alcohol ether sulfates and mixtures thereof.
  • fatty alcohol ether sulfates are particularly preferred.
  • Preferred surfactant-containing liquid cleaning agents contain, based on their total weight, 2 to 30% by weight, preferably 3 to 26% by weight and in particular 4 to 22% by weight of fatty alcohol ether sulfate.
  • Exemplary fatty alcohol ether sulfates are the sulfuric acid monoesters of straight-chain or branched C 7 -C 21 alcohols ethoxylated with 1 to 6 moles of ethylene oxide, such as 2-methyl-branched C9-11 alcohols with an average of 3.5 moles of ethylene oxide (EO) or C12-18 -Fatty alcohols with 1 to 4 EO are suitable.
  • Alkyl ether sulfates with the formula (A-1) are preferred R 1 -O- (AO) n -SO 3 - X + (A-1)
  • R 1 represents a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
  • Preferred radicals R 1 of the formula (A-1) are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, the Representatives with an even number of carbon atoms are preferred.
  • radicals R 1 of the formula (A-1) are derived from fatty alcohols with 12 to 18 carbon atoms, for example from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or from oxo alcohols with 10 to 20 carbon atoms .
  • AO in formula (A-1) represents an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group.
  • the index n of the formula (A-1) is an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. n is very particularly preferably 2, 3, 4, 5, 6, 7 or 8.
  • X is a monovalent cation or the nth part of an n-valent cation, preferred are the alkali metal ions, including Na + or K + , Na + being extremely preferred. Further cations X + can be selected from NH 4 + , 1 ⁇ 2Zn 2+ , 1 ⁇ 2Mg 2+ , 1 ⁇ 2Ca 2+ , 1 ⁇ 2Mn 2+ , and mixtures thereof.
  • the stated degree of ethoxylation represents a statistical mean value which, for a specific product, can be an integer or a fraction.
  • the stated degrees of alkoxylation represent statistical mean values which, for a specific product, can be an integer or a fraction.
  • Preferred alkoxylates / ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE). Because of its availability and particularly advantageous technical properties, sodium lauryl ether sulfate is used as the fatty alcohol ether sulfate.
  • the cleaning agents produced according to the invention also contain at least one nonionic surfactant from the group of amine oxides and / or at least one amphoteric surfactant from the group of betaines.
  • the surfactant-containing liquid cleaning agent based on its total weight, is 0.5 to 13% by weight, preferably 1 to 8% by weight. % and in particular 3 to 6.5% by weight of amine oxide.
  • the amine oxide is selected from the group of compounds with the formula R 1 R z 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.
  • R 1 R 2 R 3 NO are preferred, where R 1 , R 2 and R 3 , independently of one another, represent a substituted or unsubstituted, branched or unbranched hydrocarbon chain with up to 30 carbon atoms, preferably with up to 18 Carbon atoms.
  • 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 amine oxide can be introduced into the solvent system in step ii) before the fatty alcohol ether sulfate is introduced.
  • the surfactant-containing liquid cleaning agent based on its total weight, is 0.1 to 10% by weight, preferably 0.1 to 6% by weight and in particular 0 Contains 1 to 2% by weight betaine. This applies in particular to processes for the production of cleaning agents with a high surfactant content of 5 to 40% by weight, in particular 25 to 40% by weight.
  • the surfactant-containing liquid cleaning agent in particular in processes with a low surfactant content of 5 to 40% by weight, in particular from 5 to 15% by weight, can contain less than 1% by weight. -%, preferably less than 0.1% by weight and in particular no betaine.
  • the betaine can also be introduced into the solvent system in step ii) before the fatty alcohol ether sulfate is introduced.
  • the weight ratio of fatty alcohol ether sulfate to amine oxide / betaine is 2: 1 to 8: 1, preferably 3: 1 to 6: 1.
  • composition of some particularly preferred liquid surfactant-containing cleaning agents produced by the process according to the invention can be found in the following tables (data in% by weight based on the total weight of the preparation, unless otherwise stated).
  • step i) of the process according to the invention a solvent system with a pH outside the range from 7 to 8 is provided.
  • a single solvent or a mixture of solvents can be used as the solvent system.
  • the solvent system very particularly preferably contains water, the in step i) provided solvent system, based on its total weight, at least 50% by weight, preferably at least 70% by weight and in particular at least 90% by weight of water.
  • preferred surfactant-containing liquid cleaning agents based on their total weight, are 40 to 92% by weight, preferably 50 to 90% by weight and in particular 60 to 88% by weight Contain water.
  • an organic solvent or a mixture of organic solvents can be added to the solvent system. It is preferred if the solvent system provided in step i), based on its total weight, 0.2 and 10% by weight, preferably 0.4 to 8% by weight and in particular 0.8 to 6% by weight organic solvent, preferably organic solvent from the group consisting of ethanol, propanol, 1,2-propanediol, preferably ethanol.
  • a solubilizer can be added to it. It is preferred if the solvent system provided in step i), based on its total weight, 0.1 to 4% by weight, preferably 0.2 to 3% by weight and in particular 0.3 to 2% by weight of one Solubilizer, preferably a solubilizer from the group of cumene sulfonates, in particular a solubilizer from the group sodium cumene sulfonate and / or potassium cumene sulfonate.
  • the solvent system in step i) contains water, ethanol and cumene sulfonate.
  • the surfactant-containing liquid cleaning agent produced in the process contains water, ethanol and cumene sulfonate, the proportion by weight of this in relation to the total weight of the cleaning agent being 45 to 94% by weight, preferably 50 to 92% by weight and in particular 55 to 90 wt .-%.
  • step i) The adjustment of the pH to a value outside the range from 7 to 8 in step i) can be carried out in different ways. For example, it is possible in step i) first to provide a solvent system and then to adjust the pH of the solvent system to a value outside the range from 7 to 8. Alternatively, there is the possibility of initially providing a first solvent system in step i), subsequently adjusting the pH of the solvent system to a value outside the range from 7 to 8 and then adding further solvent to the solvent system.
  • the adjustment of the pH to a value outside the range from 7 to 8 in step i) can take place both in the direction of lower and in the direction of higher pH values.
  • the pH of the solvent system can be adjusted to values above 8 in step i). Processes in which the pH of the solvent system is adjusted to values between 9 and 13 in step i) have proven to be particularly practicable.
  • an inorganic salt preferably an inorganic alkali salt, very particularly preferably an inorganic sodium salt
  • An exemplary salt is sodium chloride.
  • the proportion by weight of the inorganic salt, especially NaCl, in the total weight of the liquid detergent-containing detergent is preferably 0.2 to 6% by weight, more preferably 0.4 to 5% by weight and in particular 0.6 to 4% by weight. %.
  • composition of some particularly preferred liquid surfactant-containing cleaning agents produced by the process according to the invention can be found in the following tables (data in% by weight based on the total weight of the preparation, unless otherwise stated).
  • one or more further active substances can be added to the process intermediate in step iii) of the process.
  • an active substance from the group of optionally encapsulated fragrances, dyes, enzymes, inorganic salts, preservatives, additives to improve the drainage and drying behavior, UV stabilizers, pearlescent agents, corrosion inhibitors, bitter substances, organic salts, and Disinfectants, preferably from the Introduced group of optionally encapsulated fragrances, dyes, enzymes and preservatives.
  • the liquid cleaning agents can contain at least one enzyme, preferably a protease.
  • 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 an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer. 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 due to the coating are stable in storage.
  • one or more dicarboxylic acids and / or their salts can be added, in particular a composition of Na salts of adipic, succinic, glutamic 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, in particular 1.3 to 6% by weight and particularly preferably 2 to 4% by weight, based on the total weight of the cleaning agent.
  • auxiliaries and additives especially UV stabilizers, perfume, pearlescent agents (INCI Opacifying Agents; for example glycol distearate, for example Cutina® AGS from Cognis, or mixtures containing this, for example the Euperlane® from Cognis), dyes, corrosion inhibitors, preservatives (for example the technical 2-bromo-2-nitropropane-1,3-diol (CAS 52-51-7) also known as Bronopol (CAS 52-51-7), for example as Myacide® BT or as Boots Bronopol BT is commercially available from Boots), disinfectants, enzymes, as well as additives that improve or care for the skin (e.g.
  • ICI Opacifying Agents for example glycol distearate, for example Cutina® AGS from Cognis, or mixtures containing this, for example the Euperlane® from Cognis
  • dyes for example the technical 2-bromo-2-nitropropane-1,3-diol (CAS 52-51-7)
  • 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, glycerine, urea, quaternized hydroxyethyl cellulose), usually not more than 5% by weight on the total weight of the detergent.
  • the method according to the invention is particularly suitable for the incorporation of encapsulated active substances, for example encapsulated fragrances or enzymes, into the liquid cleaning agent.
  • encapsulated active substances for example encapsulated fragrances or enzymes
  • active ingredients are incorporated in step iii) of the process.
  • step iv) the pH of the mixture resulting from step iii) is adjusted to a value of 7 to 8.
  • the pH is preferably adjusted to a value of 7 to 8 by adding organic acids, preferably complexing organic acids.
  • organic acids preferably complexing organic acids.
  • citric acid is particularly preferred.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
EP20173795.4A 2020-05-11 2020-05-11 Procédé de fabrication d'un liquide contenant un tensioactif Pending EP3910049A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20173795.4A EP3910049A1 (fr) 2020-05-11 2020-05-11 Procédé de fabrication d'un liquide contenant un tensioactif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20173795.4A EP3910049A1 (fr) 2020-05-11 2020-05-11 Procédé de fabrication d'un liquide contenant un tensioactif

Publications (1)

Publication Number Publication Date
EP3910049A1 true EP3910049A1 (fr) 2021-11-17

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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
EP0199195A2 (fr) * 1985-04-18 1986-10-29 Henkel Kommanditgesellschaft auf Aktien Détergent à usage multiple pour surfaces dures
WO1994014947A1 (fr) * 1992-12-28 1994-07-07 The Procter & Gamble Company Gels detergents clairs
US5500151A (en) * 1988-10-07 1996-03-19 Colgate-Palmolive Co. Heavy duty fabric softening laundry detergent composition
DE19817833A1 (de) * 1997-11-26 1999-10-28 Henkel Kgaa Geschirrspülmittel mit spezifischem Viskositätsprofil
DE102005031193A1 (de) * 2005-07-01 2007-01-04 Henkel Kgaa Viskositätseinstellung bei Handgeschirrspülmittel

Patent 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
EP0199195A2 (fr) * 1985-04-18 1986-10-29 Henkel Kommanditgesellschaft auf Aktien Détergent à usage multiple pour surfaces dures
US5500151A (en) * 1988-10-07 1996-03-19 Colgate-Palmolive Co. Heavy duty fabric softening laundry detergent composition
WO1994014947A1 (fr) * 1992-12-28 1994-07-07 The Procter & Gamble Company Gels detergents clairs
DE19817833A1 (de) * 1997-11-26 1999-10-28 Henkel Kgaa Geschirrspülmittel mit spezifischem Viskositätsprofil
DE102005031193A1 (de) * 2005-07-01 2007-01-04 Henkel Kgaa Viskositätseinstellung bei Handgeschirrspülmittel

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