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WO2025131378A1 - Composition détergente hautement concentrée ayant une stabilité au stockage améliorée - Google Patents

Composition détergente hautement concentrée ayant une stabilité au stockage améliorée Download PDF

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Publication number
WO2025131378A1
WO2025131378A1 PCT/EP2024/080096 EP2024080096W WO2025131378A1 WO 2025131378 A1 WO2025131378 A1 WO 2025131378A1 EP 2024080096 W EP2024080096 W EP 2024080096W WO 2025131378 A1 WO2025131378 A1 WO 2025131378A1
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WO
WIPO (PCT)
Prior art keywords
detergent composition
acid
detergent
total mass
aminopolycarboxylic
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
PCT/EP2024/080096
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German (de)
English (en)
Inventor
Natalia FRAGOSO SAUER QUINTO DI CAMELI
Annika Gueldner
Gabriele Nitschke
Therese Klimek
Frank Janssen
Sheila Edwards
Andreas PEINE
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
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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 WO2025131378A1 publication Critical patent/WO2025131378A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic 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
    • C11D1/02—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
    • C11D1/83—Mixtures of non-ionic with anionic compounds

Definitions

  • the invention relates to highly concentrated detergent compositions with improved storage stability, in which no insoluble precipitate occurs even after storage for several weeks.
  • Liquid textile detergents typically contain complexing agents to bind cations, particularly calcium and magnesium ions, in the wash liquor. By binding these cations, complexing agents help maintain or enhance the activity of detergent substances, especially anionic surfactants.
  • Modern textile detergents usually contain phosphonates as complexing agents, such as 1-hydroxyethene-1,1-diphosphonic acid (HEDP) or diethylenetriaminepentakis(methylenephosphonic acid) (DTPMP).
  • HEDP 1-hydroxyethene-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepentakis(methylenephosphonic acid)
  • the object of the present invention is to improve the storage stability of liquid, highly concentrated detergents.
  • the detergents should exhibit no turbidity, especially no turbidity due to calcium-containing precipitates, even after several weeks of storage.
  • the detergents should contain only a small amount of water and at least one complexing agent.
  • One aspect of the invention therefore relates to a detergent composition
  • a detergent composition comprising
  • the detergent composition comprises at least one aminopolycarboxylic acid having three or four carboxy groups or a salt thereof.
  • the detergent composition comprises at least one aminopolycarboxylic acid selected from the group L-glutamic acid-N,N-diacetic acid (GLDA), methylglycinediacetic acid (MGDA), ß-alaninediacetic acid (ß-ADA), ethylenediaminetetraacetic acid (EDTA), hydroxyethylethylenediaminetriacetic acid (HEDTA), iminodisuccinate (IDS), or their salts.
  • GLDA L-glutamic acid-N,N-diacetic acid
  • MGDA methylglycinediacetic acid
  • ß-ADA ß-alaninediacetic acid
  • EDTA ethylenediaminetetraacetic acid
  • HEDTA hydroxyethylethylenediaminetriacetic acid
  • IDDS iminodisuccinate
  • the detergent composition comprises L-glutamic acid-N,N-diacetic acid (GLDA) or its salt.
  • GLDA L-glutamic acid-N,N-diacetic acid
  • the amount of aminopolycarboxylic acids having three or four carboxy groups is 0.1 wt% to 5 wt%, based on the total mass of the detergent composition.
  • the detergent composition comprises less than 0.1 wt% of 1-hydroxyethene-1,1-diphosphonic acid (HEDP) and diethylenetriaminepentakis(methylenephosphonic acid) (DTPMP), based on the total mass of the detergent composition.
  • HEDP 1-hydroxyethene-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepentakis(methylenephosphonic acid)
  • the detergent composition comprises
  • non-ionic surfactants each based on the total mass of the detergent composition.
  • the detergent composition comprises an alkylbenzenesulfonic acid, an alkyl ether sulfate, a fatty acid and a nonionic surfactant.
  • the detergent composition comprises 25% by weight or less of water, based on the total mass of the detergent composition.
  • the detergent composition comprises monoethanolamine.
  • Another aspect of the invention relates to the use of an aminopolycarboxylic acid having three or four carboxy groups or its salt as a component of a detergent composition to prevent the occurrence of precipitation in the detergent composition.
  • an aminocarboxylic acid with three or four carboxy groups can prevent the occurrence of precipitation in a detergent composition. This applies in particular to Highly concentrated detergent compositions with a low water content and a medium or high surfactant concentration. This allows for detergent compositions with improved storage stability, in which no clouding is observed even after several weeks of storage.
  • the detergent compositions also exhibit excellent cleaning performance due to the combination of surfactants and aminocarboxylic acids.
  • One aspect of the invention relates to a detergent composition which can be used as a detergent.
  • a detergent is used to clean laundry.
  • laundry items include, for example, hard surfaces such as stone floors, metal surfaces, glass or wooden surfaces, dishes, or products made of fiber material.
  • the laundry items can also include body surfaces, such as the hands.
  • the detergent can be, for example, a floor cleaner, a toilet cleaner, a dishwashing detergent, a fabric detergent, or a handwashing detergent.
  • the detergent serves as a dishwashing detergent for cleaning all types of dishes and cutlery made of stainless steel, porcelain, glass or plastic.
  • the detergent is a textile detergent.
  • a textile detergent is used for cleaning all types of woven, knitted, or warp-knitted textiles, as well as furs.
  • the detergent can be used for cleaning laundry made of natural and/or synthetic fibers, for example, cotton, wool, linen, polyamide, polyester, Polyacrylonitrile or blends thereof.
  • the detergent is used as a textile detergent for cleaning laundry, such as clothing, towels, bed linen, blankets, and curtains.
  • This soiling can include, in particular, solid pigmented soiling, such as dust, soot, and metal abrasion; greasy and oily soiling, such as skin grease, cooking fat, and lubricating oil; colored soiling, such as fruit or plant juice and blood; and water-soluble soiling, such as urea, sugar, and salt.
  • solid pigmented soiling such as dust, soot, and metal abrasion
  • greasy and oily soiling such as skin grease, cooking fat, and lubricating oil
  • colored soiling such as fruit or plant juice and blood
  • water-soluble soiling such as urea, sugar, and salt.
  • the detergent is particularly suitable for being diluted with water to form a wash bath, which can be brought into contact with the laundry to be cleaned in order to loosen and wash away soiling.
  • the detergent can be used for both manual and machine washing.
  • the detergent is particularly suitable as a general-purpose detergent for all washing methods and temperatures. It can also be used as a washing aid together with another general-purpose detergent to extend and/or enhance its effect. It can also be used before or after treatment with another detergent, for example, to remove soiling before a main wash cycle or to impart further desirable properties to the laundry after a main wash cycle, such as shine, pleasant smell, pleasant feel, crease resistance, or low static charge.
  • an essential feature of the detergent composition according to the invention is that the detergent composition comprises at least one aminopolycarboxylic acid having three or four carboxy groups or a salt thereof.
  • the aminopolycarboxylic acid serves as a complexing agent.
  • Complexing agents are compounds that bind metal ions, in particular alkaline earth metal ions such as magnesium or calcium ions.
  • an aminopolycarboxylic acid is an organic compound which contains at least one amino group and several carboxy groups. According to the invention, the aminopolycarboxylic acids should have three or four carboxy groups.
  • the aminopolycarboxylic acids can be present in profaned form or in deprotonated form as a dissolved salt.
  • Suitable aminopolycarboxylic acids are, for example, L-glutamic acid-N,N-diacetic acid (GLDA), methylglycinediacetic acid (MGDA), ß-alaninediacetic acid (ß-ADA), ethylenediaminetetraacetic acid (EDTA), hydroxyethylethylenediaminetriacetic acid (HEDTA), iminodisuccinate (IDS), or their salts.
  • GLDA L-glutamic acid-N,N-diacetic acid
  • MGDA methylglycinediacetic acid
  • ß-ADA ß-alaninediacetic acid
  • EDTA ethylenediaminetetraacetic acid
  • HEDTA hydroxyethylethylenediaminetriacetic acid
  • IDS iminodisuccinate
  • L-glutamic acid-N,N-diacetic acid has proven to be a particularly suitable aminopolycarboxylic acid.
  • the total amount of aminopolycarboxylic acid having three or four carboxyl groups in the detergent composition is preferably 0.1 wt% to 5 wt%, preferably 0.2 wt% to 2.5 wt%, more preferably 0.4 wt% to 1.2 wt%, most preferably 0.5 wt% to 0.8 wt%, based on the total mass of the detergent composition. Unless otherwise stated, these amounts refer to the sodium salt of the respective aminopolycarboxylic acid.
  • the detergent composition contains 0.1 wt.% to 5 wt.%, preferably 0.2 wt.% to 2.5 wt.%, more preferably 0.4 Wt% to 1.2 wt%, most preferably 0.5 wt% to 0.8 wt% L-glutamic acid-N,N-diacetic acid (GLDA), based on the mass of the sodium salt and the total mass of the detergent composition.
  • GLDA L-glutamic acid-N,N-diacetic acid
  • aminopolycarboxylic acid By using aminopolycarboxylic acid, the addition of phosphates and phosphonates as complexing agents can be eliminated. In particular, the use of 1-hydroxyethene-1,1-diphosphonic acid (HEDP) and diethylenetriaminepentakis(methylenephosphonic acid) (DTPMP) can be avoided.
  • HEDP 1-hydroxyethene-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepentakis(methylenephosphonic acid)
  • the detergent composition contains less than 0.1 wt.%, preferably less than 0.01 wt.%, most preferably less than 0.01 wt.% of 1-hydroxyethene-1,1-diphosphonic acid (HEDP) and diethylenetriaminepentakis(methylenephosphonic acid) (DTPMP), based on the mass of the respective sodium salt and the total mass of the detergent composition.
  • HEDP 1-hydroxyethene-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepentakis(methylenephosphonic acid)
  • the detergent composition contains less than 0.1 wt.%, preferably less than 0.01 wt.%, most preferably less than 0.01 wt.% of diphosphate, triphosphate, 1-hydroxyethene-1,1-diphosphonic acid (HEDP), amino-tri(methylenephosphonic acid) (ATP) and diethylenetriaminepentakis(methylenephosphonic acid) (DTPMP), based on the mass of the respective sodium salt and the total mass of the detergent composition.
  • HEDP 1-hydroxyethene-1,1-diphosphonic acid
  • ATP amino-tri(methylenephosphonic acid)
  • DTPMP diethylenetriaminepentakis(methylenephosphonic acid)
  • the detergent composition contains less than 0.1% by weight, preferably less than 0.01% by weight, most preferably less than 0.01% by weight of phosphates and phosphonates, based on the mass of the respective sodium salt and the total mass of the detergent composition.
  • the detergent composition may also contain other polycarboxylic acids, such as citric acid.
  • other polycarboxylic acids refer to all polycarboxylic acids other than aminopolycarboxylic acids.
  • the amount of further polycarboxylic acids is limited to 5% by weight or less, based on the total mass of the detergent composition.
  • the detergent composition comprises at least one surfactant as a washing-active substance.
  • the surfactant allows for effective removal of soils from the laundry to be cleaned.
  • the total amount of surfactants in the detergent composition is at least 20% by weight, based on the total mass of the detergent composition.
  • the total amount of surfactants is 20% to 60% by weight, particularly preferably 22% to 55% by weight, and most preferably 25% to 50% by weight, each based on the total mass of the detergent composition.
  • the surfactant can be selected, in particular, from the group of anionic, non-ionic, cationic, and amphoteric surfactants.
  • the detergent composition can comprise a single surfactant or a mixture of different surfactants.
  • the detergent composition preferably comprises at least one anionic or nonionic surfactant. More preferably, the detergent composition comprises both at least one anionic and at least one nonionic surfactant.
  • Anionic surfactants include, in particular, soaps, alkylbenzenesulfonates, alkanesulfonates, a-olefinsulfonates, a-sulfofatty acid esters, alkyl sulfates, alkenyl sulfates, alkyl ether sulfates, ether carboxylic acids and carboxylated alkylpolyglycosides.
  • the total amount of anionic surfactants is preferably 12 wt% to 50 wt%, more preferably 12 wt% to 37 wt%, most preferably 15 wt% to 35 wt%, in each case based on the total mass of the detergent composition.
  • Soap is the salt of a fatty acid.
  • the fatty acid can be linear or branched, saturated or unsaturated.
  • a linear saturated or unsaturated fatty acid is used.
  • a linear saturated fatty acid is particularly preferred.
  • the fatty acid preferably comprises at least 6 carbon atoms, more preferably at least 8 carbon atoms, most preferably at least 10 carbon atoms.
  • the fatty acid particularly preferably comprises 6 to 32 carbon atoms, particularly preferably 8 to 28 carbon atoms, further preferably 10 to 18 carbon atoms, most preferably 12 to 18 carbon atoms.
  • Preferred fatty acids are selected from the group consisting of caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, and mixtures thereof. Lauric acid, myristic acid, palmitic acid, and stearic acid are particularly suitable.
  • the detergent composition therefore preferably comprises soaps in an amount of 1 wt.% to 20 wt.%, particularly preferably 1 wt.% to 10 wt.%, and most preferably 1 wt.% to 5 wt.%, based in each case on the total mass of the detergent composition.
  • Sulfuric acid semiesters of saturated or unsaturated fatty alcohols with 12 to 18 carbon atoms are preferably used as alkyl or alkenyl sulfates. Alkyl or alkenyl sulfates with 12 to 16 carbon atoms are preferred.
  • the alkyl ether sulfates used are preferably the sulfuric acid half esters of alkoxylated fatty alcohols. These are also referred to as fatty alcohol ether sulfates. These are preferably ethoxylated or propoxylated fatty alcohols.
  • the fatty alcohols preferably comprise 6 to 22 carbon atoms, particularly preferably 10 to 20 carbon atoms, most preferably 12 to 18 carbon atoms.
  • the fatty alcohols are preferably substituted with 1 to 20, particularly preferably 1 to 10, most preferably 2 to 8 repeating units. alkoxylated.
  • the alkyl ether sulfates particularly preferably have the following structural formula
  • Ri is a linear or branched, saturated or unsaturated alkyl radical having 6 to 22 carbon atoms, particularly preferably 10 to 20 carbon atoms, most preferably 12 to 18 carbon atoms;
  • R2 is an alkenyl radical having 2 to 4 carbon atoms, particularly preferably 2 or 3 carbon atoms;
  • n is a number from 1 to 20, particularly preferably 1 to 10, most preferably 2 to 8;
  • X + is a cation, preferably an alkali metal cation, particularly preferably K + or Na + .
  • the detergent composition preferably comprises alkyl ether sulfates in an amount of 1 wt% to 20 wt%, particularly preferably 2 wt% to 15 wt%, most preferably 5 wt% to 10 wt%, in each case based on the total mass of the detergent composition.
  • Ri-Ph-SO X + where Ri is a linear or branched, saturated or unsaturated alkyl radical having 6 to 22 carbon atoms, particularly preferably 10 to 20 carbon atoms, most preferably 12 to 18 carbon atoms; Ph is a phenyl radical; and X + is a cation, preferably an alkali metal cation, particularly preferably K + or Na + .
  • a particularly preferred class of alkylbenzenesulfonates has the following structural formula:
  • Alkylbenzenesulfonates exhibit particularly good properties in detergent compositions.
  • the detergent composition therefore preferably comprises alkylbenzenesulfonates in an amount of 10 wt.% to 40 wt.%, particularly preferably 10 wt.% to 30 wt.%, and most preferably 10 wt.% to 25 wt.%, based in each case on the total mass of the detergent composition.
  • Non-ionic surfactants are in particular alkoxylated fatty alcohols, such as fatty alcohol ethoxylates or propoxylates, alkoxylated fatty amines, alkoxylated alkanolamines, fatty acid amides, alkoxylated fatty acid amides, polyhydroxy fatty acid amides, alkylphenol polyglycol ethers, amine oxides, alkyl glucosides, alkyl polyglucosides and alkoxylated alkylphenols.
  • alkoxylated fatty alcohols such as fatty alcohol ethoxylates or propoxylates
  • alkoxylated fatty amines such as fatty alcohol ethoxylates or propoxylates
  • alkoxylated fatty amines alkoxylated alkanolamines
  • fatty acid amides alkoxylated fatty acid amides
  • polyhydroxy fatty acid amides alkylphenol polyglycol ethers
  • the total amount of nonionic surfactants is preferably 6 wt% to 20 wt%, more preferably 8 wt% to 15 wt%, most preferably 8 wt% to 12 wt%, in each case based on the total mass of the detergent composition.
  • Ri is a linear or branched, saturated or unsaturated alkyl radical having 6 to 22 carbon atoms, particularly preferably 10 to 20 carbon atoms, most preferably 12 to 18 carbon atoms;
  • R 2 is an alkenyl radical having 2 to 4 carbon atoms, particularly preferably 2 or 3 carbon atoms; and
  • n is a number from 1 to 20, particularly preferably 3 to 15, most preferably 5 to 10.
  • Alkoxylated fatty alcohols exhibit particularly good properties in detergent compositions.
  • the detergent composition therefore preferably comprises alkoxylated fatty alcohols in an amount of 6 wt.% to 20 wt.%, particularly preferably 8 wt.% to 15 wt.%, and most preferably 8 wt.% to 12 wt.%, based in each case on the total mass of the detergent composition.
  • alkoxylated alkanolamines compounds with the following structural formula are preferably used:
  • R 1 , R 2 , R 3 each independently represent alkenyl radicals having 2 to 4 carbon atoms and n represents a number from 5 to 30, particularly preferably 10 to 25, most preferably 15 to 20.
  • a particularly preferred alkoxylated amine is propoxylated and ethoxylated triethanolamine.
  • Amphoteric surfactants include, in particular, betaines, sulfobetaines and imidazoline derivatives such as cocoamphodiacetate.
  • Cationic surfactants are in particular fatty amine salts and quaternary ammonium compounds.
  • the detergent composition does not comprise amphoteric or cationic surfactants.
  • the detergent composition does not comprise cationic surfactants.
  • the detergent composition comprises an alkylbenzenesulfonic acid, an alkyl ether sulfate, a fatty acid, and a nonionic surfactant.
  • the detergent composition comprises an alkylbenzenesulfonic acid, an alkyl ether sulfate, a fatty acid, and an alkoxylated fatty alcohol.
  • the detergent composition also contains water in an amount of less than 55% by weight based on the total mass of the detergent composition. This makes the detergent composition highly concentrated. This has the advantage of keeping the total volume of the detergent composition small, thus minimizing the space required for transport and storage of the detergent composition.
  • the detergent composition comprises less than 40 wt%, preferably 25 wt% or less, more preferably 20 wt% or less, more preferably 18 wt% or less, most preferably 15 wt% or less of water, in each case based on the total mass of the detergent composition.
  • the detergent composition comprises 1 wt% to less than 55 wt%, preferably 1 wt% to less than 40 wt%, more preferably 1.5 wt% to 25 wt%, more preferably 2 wt% to 20 wt%, more preferably 4 wt% to 18 wt%, most preferably 5 wt% to 15 wt% of water, in each case based on the total mass of the detergent composition.
  • the detergent composition may further comprise at least one other solvent besides water.
  • Other solvents include, in particular, mono- or polyhydric alcohols, alkanolamines, and glycol ethers.
  • the amount of the further solvent is preferably 5 wt% to 40 wt%, preferably 5 wt% to 20 wt%, most preferably 5 wt% to 15 wt%, in each case based on the total mass of the detergent composition.
  • the detergent composition is preferably liquid.
  • the total amount of water and other solvents is therefore preferably 5% by weight or more, particularly preferably 10% by weight or more, and most preferably 15% by weight or more, based in each case on the total mass of the detergent composition.
  • the detergent composition comprises at least one polyhydric alcohol (polyol). Suitable polyols are, in particular, those alcohols having two or more OH groups and 2 to 8 carbon atoms. Polyols having 2 or 3 OH groups and 3 to 6 carbon atoms are particularly suitable.
  • Suitable polyols include, in particular, propanediol, in particular 1,2-propanediol; butanediol, in particular 1,2-butanediol, 1,3-butanediol, and 1,4-butanediol; glycerol, or mixtures thereof.
  • the total amount of polyols is preferably 5 wt% to 40 wt%, preferably 5 wt% to 20 wt%, most preferably 5 wt% to 15 wt%, in each case based on the total mass of the detergent composition.
  • the total amount of polyols having two or more OH groups and 2 to 8 carbon atoms is preferably 5 wt% to 40 wt%, preferably 5 wt% to 20 wt%, most preferably 5 wt% to 15 wt%, in each case based on the total mass of the detergent composition.
  • the detergent composition comprises propanediol in an amount of 5 wt% to 40 wt%, preferably 5 wt% to 20 wt%, most preferably 5 wt% to 15 wt%, in each case based on the total mass of the detergent composition.
  • the detergent composition may further comprise one or more adjuvants.
  • adjuvants include, in particular, bleaching agents, such as hypochlorite bleach, perborates, percarbonates, perphosphates, and percarbamides; whiteners; enzyme stabilizers, foam inhibitors, corrosion inhibitors, dyes, fragrances, and preservatives.
  • the excipients include, in particular, polymers that are used as effect enhancers, such as polyethyleneimines, alkoxylated polyethyleneimines, vinylimidazole-A/inylpyrrolidone copolymers and propylene glycol terephthalates.
  • the detergent composition preferably contains 2 to 20% by weight, preferably 5 to 15% by weight, most preferably 6 to 10% by weight of polymers selected from the group of polyethyleneimines, alkoxylated polyethyleneimines, vinylimidazole/vinylpyrrolidone copolymers and propylene glycol terephthalates, in each case based on the total mass of the detergent composition.
  • the detergent composition may, in particular, also contain one or more enzymes.
  • the detergent composition may contain proteases, cellulases, hexosamidases (especially dispersins), amylases, lipases, tannases, mannanases, and polyesterases.
  • the detergent composition may also contain calcium-containing enzymes, in which calcium is either bound as a cofactor or included as a component of the enzyme preparation, without the risk of forming a precipitate of an insoluble calcium salt.
  • the detergent composition preferably has a pH of 7 to 12, more preferably 7.5 to 9, most preferably 7.5 to 8.5.
  • the pH is determined at 20°C. If the detergent composition has too low a water content to reliably determine the pH, the composition is diluted with water for the measurement.
  • the pH is preferably adjusted by adding a suitable base (pH adjuster).
  • the detergent composition preferably comprises a base selected from the group consisting of amines, alkali metal carbonate, and alkali metal hydroxide, more preferably selected from monoethanolamine, sodium carbonate, and sodium hydroxide.
  • the detergent composition therefore preferably comprises monoethanolamine, preferably in an amount of 1 wt% to 10 wt%, particularly preferably 4 wt% to 8 wt%, based on the total mass of the detergent composition.
  • a further aspect of the invention relates to the use of an above-described aminopolycarboxylic acid having three or four carboxy groups or its salt as a component of a detergent composition in order to prevent the occurrence of precipitation in the detergent composition.
  • the aminopolycarboxylic acids are preferably used in the amounts described above.
  • the detergent composition preferably has the composition described above.
  • the use serves to prevent the occurrence of precipitation in the detergent composition at a temperature of up to 40 °C and/or a storage period of up to eight weeks.
  • detergent compositions were prepared and tested for their storage stability. Each detergent composition was prepared using the ingredients listed in Table 1. The detergent compositions were stored at 40 °C and tested for the occurrence of precipitate over a period of eight weeks. Table 1: Detergent compositions (in % by weight)
  • pH adjusters except monoethanolamine, citric acid, dyes, perfumes, enzymes, etc.
  • composition 1 which contained the phosphonate HEDP as a complexing agent, significant precipitation and clouding of the detergent composition occurred within the observation period.
  • composition 2 according to the invention which contained the aminopolycarboxylic acid GLDA, no precipitation was observed over the same period.
  • compositions 3 and 4 each containing a lower amount of surfactants. Comparative composition 3 with HEDP showed significant precipitation within the observation period, while no precipitation occurred in inventive composition 4 with GLDA.

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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)

Abstract

L'invention concerne une composition détergente comprenant 20 % en poids ou plus de tensioactifs et moins de 55 % en poids d'eau, chacun par rapport à la masse totale de la composition détergente, caractérisée en ce que la composition détergente comprend au moins un acide aminopolycarboxylique ayant trois ou quatre groupes carboxyle, ou son sel. L'invention concerne également l'utilisation d'un acide aminopolycarboxylique ayant trois ou quatre groupes carboxyle, ou son sel, comme composant d'une composition détergente afin d'empêcher l'apparition de sédiments dans la composition détergente.
PCT/EP2024/080096 2023-12-22 2024-10-24 Composition détergente hautement concentrée ayant une stabilité au stockage améliorée Pending WO2025131378A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23219771.5 2023-12-22
EP23219771.5A EP4574955A1 (fr) 2023-12-22 2023-12-22 Composition détergente à haute concentration présentant une stabilité au stockage améliorée

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WO2025131378A1 true WO2025131378A1 (fr) 2025-06-26

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036974A2 (fr) * 1996-03-29 1997-10-09 The Procter & Gamble Company Composition pour machine a laver la vaisselle
US6235704B1 (en) * 1997-07-30 2001-05-22 Basf Aktiengesellschaft Solid textile detergent formulation based on glycin-N and N-Diacetic acid derivatives
US20120066840A1 (en) * 2010-09-17 2012-03-22 Ecolab Usa Inc. Reduced caustic laundry detergents based on extended chain surfactants
WO2017102866A1 (fr) * 2015-12-18 2017-06-22 Henkel Ag & Co. Kgaa Composition de détergent liquide structurée
EP3221437B1 (fr) * 2014-11-17 2021-04-28 Ecolab USA Inc. Compositions détergentes liquides
EP3755780B1 (fr) * 2018-02-23 2022-01-12 Unilever Global IP Limited Procédé de préparation d'une composition solide comprenant de l'aminopolycarboxylate
WO2022033846A1 (fr) * 2020-08-12 2022-02-17 Unilever Ip Holdings B.V. Composition de détergent à lessive
DE102022107827A1 (de) * 2022-04-01 2023-10-05 Henkel Ag & Co. Kgaa Haarentfernung durch Waschmittel/-Additive enthaltend Enzyme
US11807829B2 (en) * 2020-06-05 2023-11-07 The Procter & Gamble Company Detergent compositions containing a branched surfactant
WO2024215955A1 (fr) * 2023-04-11 2024-10-17 Henkel Ag & Co. Kgaa Composition de détergent en dose unitaire comprenant un acide aminé

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036974A2 (fr) * 1996-03-29 1997-10-09 The Procter & Gamble Company Composition pour machine a laver la vaisselle
US6235704B1 (en) * 1997-07-30 2001-05-22 Basf Aktiengesellschaft Solid textile detergent formulation based on glycin-N and N-Diacetic acid derivatives
US20120066840A1 (en) * 2010-09-17 2012-03-22 Ecolab Usa Inc. Reduced caustic laundry detergents based on extended chain surfactants
EP3221437B1 (fr) * 2014-11-17 2021-04-28 Ecolab USA Inc. Compositions détergentes liquides
WO2017102866A1 (fr) * 2015-12-18 2017-06-22 Henkel Ag & Co. Kgaa Composition de détergent liquide structurée
EP3755780B1 (fr) * 2018-02-23 2022-01-12 Unilever Global IP Limited Procédé de préparation d'une composition solide comprenant de l'aminopolycarboxylate
US11807829B2 (en) * 2020-06-05 2023-11-07 The Procter & Gamble Company Detergent compositions containing a branched surfactant
WO2022033846A1 (fr) * 2020-08-12 2022-02-17 Unilever Ip Holdings B.V. Composition de détergent à lessive
DE102022107827A1 (de) * 2022-04-01 2023-10-05 Henkel Ag & Co. Kgaa Haarentfernung durch Waschmittel/-Additive enthaltend Enzyme
WO2024215955A1 (fr) * 2023-04-11 2024-10-17 Henkel Ag & Co. Kgaa Composition de détergent en dose unitaire comprenant un acide aminé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SEETZ J. ET AL: "Impact of the New Chelating Agents GLDA and MGDA in Detergents", SOFW JOURNAL 2018, 1 May 2018 (2018-05-01), pages 10 - 16, XP093146051 *

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