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WO2025113911A1 - Préparation de détergent à propriétés améliorées - Google Patents

Préparation de détergent à propriétés améliorées Download PDF

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Publication number
WO2025113911A1
WO2025113911A1 PCT/EP2024/080528 EP2024080528W WO2025113911A1 WO 2025113911 A1 WO2025113911 A1 WO 2025113911A1 EP 2024080528 W EP2024080528 W EP 2024080528W WO 2025113911 A1 WO2025113911 A1 WO 2025113911A1
Authority
WO
WIPO (PCT)
Prior art keywords
group
detergent
detergent preparation
weight
fragrance capsules
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/EP2024/080528
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German (de)
English (en)
Inventor
Inga Kerstin Vockenroth
Nuria Sanchez Bastardo
Andreas Bauer
Andreas Gerigk
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
Publication of WO2025113911A1 publication Critical patent/WO2025113911A1/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
    • 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
    • C11D10/00—Compositions of detergents, not provided for by one single preceding group
    • C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
    • 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
    • C11D1/04—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • 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
    • C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols

Definitions

  • the present invention relates to a detergent preparation and a method for washing textiles using this detergent preparation.
  • this application relates to a detergent preparation with improved optical and olfactory properties based on a specific combination of surfactants, fatty acids, salts, and fragrance capsules.
  • a key means of communicating product quality and product promise is the appearance of the serving unit, including the shape and color. This is especially true for detergent compositions in transparent packaging that reveal the detergents inside. Examples of such transparent packaging include transparent plastic bottles or water-soluble foil bags.
  • White color is particularly suitable for communicating the washing and cleaning performance of detergent compositions. While colored, i.e., non-white, liquid detergents can be easily obtained by adding appropriate dyes, the provision of white liquid detergents is more challenging because the opacifiers previously used in their production are increasingly being viewed critically from an ecological perspective. against this background, the provision of an ecologically acceptable opacifier is a relevant development goal in the field of liquid detergents and laundry detergents.
  • fragrances which, depending on their fracture hardness, release the fragrance contained in them during or after the textile wash.
  • these fragrance capsules collect at the The fragrance capsules are deposited on the bottom or surface of the detergent preparation. This inhomogeneous distribution of the fragrance capsules, which is detrimental to the product's aesthetics, must be avoided.
  • the application was based on the task of providing visually appealing, flowable detergent compositions which are suitable for packaging in transparent outer packaging and are characterized by a long-lasting fragrance effect.
  • a detergent preparation comprising, based on its total weight, a) 12 to 45% by weight of anionic surfactant; b) 2 to 15% by weight of fatty acid; c1) 12 to 36% by weight of non-ionic surfactant from the group of linear or branched fatty alcohols with a degree of alkoxylation of 4 to 10; c2) 0.00001 to 1% by weight of non-ionic surfactant from the group of fatty alcohols and glycerol fatty acid esters with a degree of alkoxylation of 20 to 60; d) 5 to 25% by weight of organic solvent; e) 0.3 to 8% by weight of salt of a divalent cation; f) 0.01 to 1% by weight of fragrance capsules; g) less than 20% by weight of water.
  • the detergent preparation is preferably free-flowing under standard conditions (20°C, 1013 mbar).
  • Preferred detergent preparations have a viscosity (21°C, Brookfield Viscometer Type DV-II. Pro, spindle no. 2, 20 rpm) above 400 mPas, preferably above 1000 mPas.
  • a first essential component of the surfactant system is 12 to 45 wt.% anionic surfactant, with preferred detergent preparations containing, based on their total weight, 20 to 40 wt.%, preferably 25 to 33 wt.% anionic surfactant.
  • the anionic surfactant is preferably selected from the group comprising C9-C13 alkylbenzenesulfonates, olefinsulfonates, C12-C18 alkanesulfonates, estersulfonates, alk(en)yl sulfates, fatty alcohol ether sulfates, and mixtures thereof.
  • Compositions comprising C8-C11 alkylbenzenesulfonates and fatty alcohol ether sulfates as anionic surfactant have particularly good dispersing properties.
  • Suitable sulfonate-type surfactants are preferably C8-C11 alkylbenzenesulfonates, olefinsulfonates, i.e., mixtures of alkene and hydroxyalkanesulfonates, and disulfonates, such as those obtained, for example, from C12-C18 monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
  • Ci2-Ci8-alkanesulfonates and the esters of ⁇ -sulfofatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • composition contains at least one anionic
  • R' and R" are independently H or alkyl and together contain 8 to 18, preferably 9 to 15 and in particular 9 to 13 C atoms and Y + represents a monovalent cation or the nth part of an n-valent cation (in particular monoethanolamine).
  • the group of alkyl ether sulfates includes fatty alcohol ether sulfates, for example the sulfuric acid monoesters of straight-chain or branched C7-C2i alcohols ethoxylated with 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C9-11 alcohols with an average of 3.5 mol of ethylene oxide (EO) or C12-18 fatty alcohols with 1 to 4 EO.
  • fatty alcohol ether sulfates for example the sulfuric acid monoesters of straight-chain or branched C7-C2i alcohols ethoxylated with 1 to 6 mol of ethylene oxide, such as 2-methyl-branched C9-11 alcohols with an average of 3.5 mol of ethylene oxide (EO) or C12-18 fatty alcohols with 1 to 4 EO.
  • Alkyl ether sulfates with the formula (II) are preferred.
  • 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 (II) are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, with preference being given to those having an even number of carbon atoms.
  • radicals R 1 of the formula (II) are derived from fatty alcohols having 12 to 18 carbon atoms, for example from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl, or stearyl alcohol, or from oxo alcohols having 10 to 20 carbon atoms.
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group.
  • the index n in formula (I) 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 and among them Na + or K + , with Na + being extremely preferred.
  • X+ can be selected from NHT, % Zn2 + , % Mg2 + , % Ca2 + , % Mn2 + , and mixtures thereof, as well as primary and secondary amines, in particular monoethanolamine.
  • the stated degree of ethoxylation represents a statistical mean, which can be a whole or a fractional number for a specific product.
  • the stated degrees of alkoxylation represent statistical mean, which can be a whole or a fractional number for a specific product.
  • Preferred alkoxylates/ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
  • preferred detergent preparations contain anionic surfactant selected from the group of Cs-18-alkylbenzenesulfonates, Cs-18-olefinsulfonates, C12-18-alkanesulfonates, Cs-18-estersulfonates, Cs-18-alkylsulfates, Cs-18-alkenylsulfates, fatty alcohol ether sulfates, in particular from the group of Cs-18-alkylbenzenesulfonates and fatty alcohol ether sulfates, very particularly preferably from the group of Cs-18-alkylbenzenesulfonates.
  • the weight fraction of anionic surfactants from the group of Cs-is-alkylbenzenesulfonates is 12 to 45 wt.%, preferably 20 to 40 wt.%, and in particular 25 to 33 wt.%.
  • anionic surfactants from the group of alkanolamine Cs-is-alkylbenzenesulfonates has proven to be particularly advantageous for the storage stability of the detergent preparation.
  • the anionic surfactant is selected from the group of alkanolamine Cs-is-alkylbenzenesulfonates with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine.
  • the weight fraction of anionic surfactants from the group of monoethanolamine Cs-is-alkylbenzenesulfonates is 12 to 45 wt.%, preferably 20 to 40 wt.%, and in particular 25 to 33 wt.%.
  • fatty acids has proven essential for storage stability.
  • Preferred detergent preparations therefore contain, based on their total weight, 4 to 12% by weight, preferably 6 to 10% by weight, of fatty acid.
  • Particularly preferred fatty acids are selected from the group of C12-18 fatty acids, preferably from the group of caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, and mixtures thereof.
  • the fatty acids are not classified as anionic surfactants within the scope of this application.
  • Preferred detergent preparations contain, based on their total weight, 15 to 33% by weight, preferably 18 to 30% by weight of non-ionic surfactant c1).
  • non-ionic surfactant c1) from the group of ethoxylated primary Cs-is alcohols, preferably ethoxylated primary Cs-is alcohols with a degree of alkoxylation of 4 to 10, particularly preferably the C12-14 alcohols with 4 EO or 7 EO, the Cg-n alcohols with 7 EO, the Cs alcohols with 5 EO, 7 EO or 8 EO, the C13-15 oxo alcohols with 7 EO, the Cs alcohols with 5 EO or 7 EO, in particular the C12-18 fatty alcohols with 7 EO or the C13-15 oxo alcohols with 7 EO.
  • anionic surfactant a) and non-ionic surfactant c1) in a weight ratio of 3:1 to 1:2, preferably of 2:1 to 1:1.5 and in particular of 1.4:1 to 1:1.
  • the detergent preparations contain, based on their total weight, 0.00001 to 1% by weight of non-ionic surfactant c2) from the group of fatty alcohols and glycerol fatty acid esters with a degree of alkoxylation of 20 to 60.
  • non-ionic surfactant c2 from the group of fatty alcohols and glycerol fatty acid esters with a degree of alkoxylation of 20 to 60.
  • the use of 0.0001 to 0.5% by weight, particularly preferably 0.0005 to 0.3% by weight of non-ionic surfactant c2) is preferred.
  • Non-ionic surfactants c2) preferred due to their dispersion-stabilizing effect have an HLB value >12, preferably >14.
  • non-ionic surfactant c2) from the following groups has proven particularly effective:
  • Preferred detergent preparations therefore further contain, based on their total weight, c3) 0.5 to 5% by weight of a cosurfactant selected from the group of alkoxylated Cs-Cs fatty alcohols with a degree of alkoxylation ⁇ 3, aliphatic Cs-Cs alcohols, aromatic Cs-Cs alcohols, aliphatic Cs-Cs dialcohols, monoglycerides of Cs-Cs fatty acids, monoglycerol ethers of Cs-Cs fatty alcohols, and mixtures, preferably from the group of alkoxylated Cs-Cs fatty alcohols with a degree of alkoxylation ⁇ 3.
  • a cosurfactant selected from the group of alkoxylated Cs-Cs fatty alcohols with a degree of alkoxylation ⁇ 3.
  • the detergent preparation contains an organic solvent.
  • the proportion of the organic solvent in the total weight of the detergent preparation is preferably 7 to 20 wt.%, preferably 10 to 18 wt.%.
  • Preferred organic solvents are selected from the group 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 monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, 1-butoxyethoxy-2-prop
  • the detergent preparation is preferably a low-water mixture. Preference is given to detergent preparations that contain less than 18% by weight, preferably less than 15% by weight, of water based on their total weight.
  • Essential for the development of the desired optical and rheological properties of the detergent preparation is the addition of 0.3 to 8 wt.%, preferably 0.4 to 6 wt.%, and in particular 0.5 to 4 wt.% of salt of a divalent cation (in each case based on the total weight of the detergent preparation).
  • salts of divalent cations is preferred from the group of divalent metallic cations, preferably magnesium and calcium salts, preferably from the group of magnesium chloride, magnesium sulfate, calcium chloride and calcium sulfate, particularly preferably from the group of magnesium chloride and calcium chloride, in particular calcium chloride.
  • fragrance capsules Essential for long-lasting fragrance release is the addition of fragrance capsules in proportions of 0.01 to 1% by weight.
  • the detergent preparations preferably contain 0.01 to 0.7% by weight, or 0.02 to 0.5% by weight, of fragrance capsules based on their total weight.
  • Fragrance capsules are typically characterized by a fragrance-containing core and a layer or shell surrounding this core.
  • the capsules familiar to those skilled in the art can be used as fragrance capsules.
  • the preferred group of fragrance capsules can be divided into two groups:
  • Fragrance capsules are selected from the group of melamine-urea-formaldehyde-containing fragrance capsules, melamine-formaldehyde-containing fragrance capsules, urea-formaldehyde-containing fragrance capsules;
  • Biopolymer-containing fragrance capsules in particular from the group of protein-containing fragrance capsules and polysaccharide-containing fragrance capsules, in particular gelatin-containing fragrance capsules, chitosan-containing fragrance capsules, starch-containing fragrance capsules and alginate-containing fragrance capsules.
  • the fragrance capsules comprise a core material and a barrier layer surrounding the core material as well as a stability layer arranged on the outer surface of the barrier layer, wherein the stability layer comprises at least one biopolymer.
  • the detergent preparation is preferably free from organic opacifiers. "Free from” as used in this context means that the corresponding ingredient is an amount of ⁇ 1 wt.%, preferably ⁇ 0.1 wt.%, even more preferably ⁇ 0.01 wt.% is present in the preparation. In particular, such a component is then not intentionally added.
  • the liquid surfactant-containing detergent preferably contains, in particular, no styrene-acrylate copolymers (INC I: styrene/acrylates copolymer).
  • the detergent preparation may be free of enzyme preparations. These components are not included, in particular, because they can adversely affect the turbidity and thus the appearance of the formulation.
  • detergent preparations containing less than 2% by weight, preferably less than 1% by weight, particularly preferably less than 0.1% by weight, of enzyme preparation based on their total weight, and in particular no enzyme preparation are preferred.
  • the detergent preparation is further preferably free of phosphonates. "Free of,” as used in this context, means that the corresponding component is present in the preparation in an amount of less than 2 wt. %, preferably less than 1 wt. %, and particularly preferably less than 0.1 wt. %. In particular, such a component is then not intentionally added.
  • the liquid surfactant-containing detergent preferably contains no phosphonate.
  • the detergent preparation contains at least one optical brightener, preferably a stilbene-type optical brightener. This is present in the detergent preparation, based on its total weight, in an amount above 0 wt. %, but preferably in an amount below 1 wt. %, particularly preferably in an amount below 0.6 wt. %.
  • Stilbene-type brighteners for use in detergent preparations are preferably selected from the group of triazinyl derivatives of 4,4'-diamino-2,2'-stilbenesulfonic acid, in particular DAS1 (disodium 4,4-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2-disulfonate) and DSBP (disodium 4,4-bis(2-sulfostyryl)biphenyl).
  • DAS1 diisodium 4,4-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2-disulfonate
  • DSBP diisodium 4,4-bis(2-sulfostyryl)biphenyl
  • the detergent preparation may contain at least one red, blue, or violet dye.
  • This dye is present in the detergent preparation, based on its total weight, in an amount above 0 wt.%, but preferably in an amount below 0.1 wt.%, particularly preferably below 0.02 wt.%, for example between 0.001 and 0.01 wt.%.
  • Such a dye serves, for example, the purpose of masking a possible yellowish tint of the preparation.
  • Suitable dyes include dyes, dye-clay conjugates, pigments, and photobleaching agents. Suitable dyes include low-molecular-weight dyes and polymer dyes.
  • the dye is selected from the group of low-molecular-weight dyes.
  • Suitable low-molecular-weight dyes include dyes that fall into the color index (CI) classifications Direct Blue, Direct Red, Direct Violet, Acid Blue, Acid Red, Acid Violet, Basic Blue, Basic Red, and Basic Violet.
  • Low molecular weight dyes are Direct Violet 9, Direct Violet 35, Direct Violet 48, Direct Violet 51, Direct Violet 66, Direct Violet 99, Direct Blue 1, Direct Blue 71, Direct Blue 80, Direct Blue 279, Acid Red 17, Acid Red 73, Acid Red 88, Acid Red 150, Acid Violet 15, Acid Violet 17, Acid Violet 24, Acid Violet 43, Acid Red 52, Acid Violet 49, Acid Blue 15, Acid Blue 17, Acid Blue 25, Acid Blue 29, Acid Blue 40, Acid Blue 45, Acid Blue 75, Acid Blue 80, Acid Blue 83, Acid Blue 90 and Acid Blue 113, Acid Black 1, Basic Violet 1, Basic Violet 3, Basic Violet 4, Basic Violet 10, Violet 35, Basic Blue 3, Basic Blue 16, Basic Blue 22, Basic Blue 47, Basic Blue 66, Basic Blue 75, Basic Blue 159 and mixtures thereof.
  • the dye is selected from the group of polymeric dyes.
  • Suitable polymeric dyes include conjugated chromogens (dye-polymer conjugates) and polymers in whose backbone chromogens are polymerized.
  • These polymeric dyes include, for example, dyes commercially available under the name Liquitint®, such as Liquitint® Violet CT, CMC-conjugated Cl Reactive Blue 19 with the product name AZO-CM-Cellulose, alkoxylated polymeric triphenylmethane dyes, or alkoxylated polymeric thiphene dyes.
  • a dye-clay conjugate is used as the dye.
  • the group of these dyes includes, among others, conjugates of smectite clay or montmorillonite clay or hectorite clay or saponite clay with a cationic/basic dye from the group C.l. Basic Yellow 1 to 108, C.l. Basic Orange 1 to 69, C.l. Basic Red 1 to 118, C.l. Basic Violet 1 to 51, C.l. Basic Blue 1 to 164, C.l. Basic Green 1 to 14, C.l. Basic Brown 1 to 23, C.l. Basic Black 1 to 11.
  • this group of dyes includes Montmorillonite Basic Blue B7 C.l.
  • pigments selected from the group consisting of flavanthrone, indanthrone, chlorinated indanthrone with 1 to 4 chlorine atoms, pyranthrone, dichlorpyranthrone, monobromodichloropyranthrone, dibromodichloropyranthrone, tetrabromopyranthrone, ultramarine blue (C.l. Pigment Blue 29) and ultramarine violet (C.l. Pigment Violet 15).
  • Suitable photobleaching agents are, for example, aluminum phthalocyanine sulfonate or Zinc phthalocyanine sulfonate or mixtures thereof, as commercially available under the name Tinolux®.
  • composition of some preferred detergent preparations can be found in the following tables (data in wt. % based on the total weight of the preparation unless otherwise stated).
  • the detergent preparations are flowable under standard conditions (20°C, 1013 mbar), preferably have a turbidity (HACH Turbidimeter 2100Q, 20°C, 10 ml cuvette) above 60 NTU, preferably above 100 NTU, and especially above 400 NTU, and are packaged in the form of detergent portion units in which the detergent preparation is completely enclosed by a water-soluble film.
  • non-ionic surfactant from the group of linear or branched fatty alcohols with a degree of alkoxylation of 4 to 10
  • non-ionic surfactant from the group of fatty alcohols and glycerol fatty acid esters with a degree of alkoxylation of 20 to 60
  • Biopolymer-containing fragrance capsules in particular from the group of protein-containing fragrance capsules and polysaccharide-containing fragrance capsules, in particular gelatin-containing fragrance capsules, chitosan-containing fragrance capsules, starch-containing fragrance capsules and alginate-containing fragrance capsules
  • the combination of active ingredients described above results in an advantageous product appearance while simultaneously providing a lasting fragrance effect and high physical stability of the dispersed fragrance capsules.
  • the detergent formulations preferably have a cloudy white appearance.
  • the nephelometric turbidity unit (NTU) is often used as a measure of transparency. It is a unit used in water treatment, for example, for turbidity measurements, e.g., in liquids. It is the unit of turbidity measured with a calibrated nephelometer. High NTU values are measured for cloudy formulations, whereas low values are determined for clear formulations.
  • the detergent preparation preferably has a turbidity (HACH Turbidimeter 2100Q, 20°C, 10 ml cuvette) above 60 NTU, preferably above 100 NTU and in particular above 400 NTU.
  • the HACH Turbidimeter 2100Q from Hach Company, Loveland, Colorado (USA) is used with the calibration substances StabICal Solution HACH (20 NTU), StabICal Solution HACH (100 NTU), and StabICal Solution HACH (800 NTU), all of which can also be ordered from Hach Company.
  • the measurement is carried out in a 10 ml measuring cuvette with a cap filled with the composition to be analyzed, and the measurement is carried out at 20 °C.
  • the detergent preparation is preferably in the form of a structured system.
  • the main types of structured systems used in practice are based on dispersed lamellar, spherulitic, and weakly lamellar phases.
  • the liquid, surfactant-containing detergent preferably contains a spherulitic phase.
  • Spherulitic phases comprise spherical bodies, commonly referred to in the art as spherulites, in which surfactant bilayers are arranged as concentric shells.
  • the spherulites are dispersed in an aqueous phase in the manner of a classic emulsion and interact to form a structured system.
  • Preferred detergent preparations contain lamellar spherulites, preferably with a maximum diameter of 10 to 100 pm, particularly preferably with a maximum diameter of 25 to 50 pm.
  • the detergent preparation preferably has a yield point (TA Instruments rotational rheometer AR 2000, 20°C, cone plate with 40 mm diameter, 2° cone angle) above 0.1 Pa, preferably above 0.3 Pa.
  • a further preferred subject matter of this application is therefore a detergent portion unit comprising a) at least one first receiving chamber, b) at least one water-soluble film surrounding this first receiving chamber and c) at least one detergent preparation according to one of the previous points located in the first receiving chamber.
  • the water-soluble film in which the detergent preparation is packaged may comprise one or more structurally different water-soluble polymers.
  • Polymer(s) that are particularly suitable are polymers from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers.
  • Water-soluble films are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range from 10,000 to 1,000,000 gmol -1 , preferably from 20,000 to 500,000 gmol -1 , particularly preferably from 30,000 to 100,000 gmol -1 and in particular from 40,000 to 80,000 gmol -1 .
  • polyvinyl alcohol and polyvinyl alcohol copolymers generally involves the hydrolysis of intermediate polyvinyl acetate.
  • Preferred polyvinyl alcohols and polyvinyl alcohol copolymers have a degree of hydrolysis of 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol%, and especially 82 to 88 mol%.
  • Preferred polyvinyl alcohol copolymers comprise, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt, or its ester.
  • such polyvinyl alcohol copolymers contain, in addition to vinyl alcohol, sulfonic acids such as 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), acrylic acid, methacrylic acid, acrylic esters, methacrylic esters, or mixtures thereof; among the esters, C 1-4 alkyl esters or hydroxyalkyl esters are preferred.
  • AMPS 2-acrylamido-2-methyl-1-propanesulfonic acid
  • Other suitable monomers include ethylenically unsaturated dicarboxylic acids, for example itaconic acid, maleic acid, fumaric acid, and mixtures thereof.
  • Suitable water-soluble films for use are marketed by MonoSol LLC, for example, under the designations M8630, M8720, M8310, C8400, or M8900. Also suitable are films with the designations Solublon® PT, Solublon® GA, Solublon® KC, or Solublon® KL from Aicello Chemical Europe GmbH, or the VF-HP films from Kuraray.
  • the water-soluble films may contain additional active ingredients or fillers as well as plasticizers and/or solvents, especially water.
  • the group of other active ingredients includes, for example, materials that protect the ingredients of the preparation enclosed in the film material from decomposition or deactivation by light exposure.
  • Antioxidants, UV absorbers, and fluorescent dyes have proven particularly suitable in this regard.
  • Plasticizers that can be used include, for example, glycerin, ethylene glycol, diethylene glycol, propanediol, 2-methyl-1,3-propanediol, sorbitol or mixtures thereof.
  • the surface of the water-soluble film of the detergent dispenser can optionally be dusted with a fine powder.
  • Sodium aluminosilicate, silicon dioxide, talc, and amylose are examples of suitable dusting agents.
  • Preferred water-soluble films are suitable for processing in a thermoforming apparatus.
  • the volume of the detergent portion unit is preferably from 12 to 22 ml, in particular from 12 to 20 ml.
  • Preferred detergent portion units have one to four receiving chambers, preferably three or four receiving chambers. In detergent portion units with two or more receiving chambers, preferably at least one of the receiving chambers, preferably the majority of the receiving chambers, is transparent.
  • Detergent portion unit at least two receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the detergent preparation according to the invention and the further receiving chamber is filled with a second detergent preparation different from the detergent preparation according to the invention;
  • Detergent portion unit at least three receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the detergent preparation according to the invention and the other two receiving chambers are filled separately with a second and a third detergent preparation which are different from one another and from the detergent preparation according to the invention;
  • Detergent portion unit at least four receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the detergent preparation according to the invention and the other three receiving chambers are filled separately from one another with a second and a third and a fourth detergent preparation which is different from one another and from the detergent preparation according to the invention.
  • the detergent preparation is particularly suitable for cleaning and sustainably scenting textiles during machine textile cleaning.
  • a further subject matter of this application is therefore a textile cleaning method in which a flowable detergent preparation according to the invention or a detergent portion unit according to the invention is introduced into the wash liquor of a textile washing machine.
  • the mechanical textile cleaning process is preferably carried out at temperatures of 20°C to 60°C, preferably 30°C to 45°C.
  • Preferred textile cleaning processes are used for cleaning cotton fabrics.
  • This registration provides, among other things, the following items:
  • Detergent preparation containing, based on its total weight, a) 12 to 45% by weight of anionic surfactant; b) 2 to 15% by weight of fatty acid; c1) 12 to 36% by weight of non-ionic surfactant from the group of linear or branched fatty alcohols with a degree of alkoxylation of 4 to 10; c2) 0.00001 to 1% by weight of non-ionic surfactant from the group of fatty alcohols and glycerol fatty acid esters with a degree of alkoxylation of 20 to 60; d) 5 to 25% by weight of organic solvent; e) 0.3 to 8% by weight of salt of a divalent cation; f) 0.01 to 1% by weight of fragrance capsules; g) less than 20% by weight of water.
  • Detergent preparation according to item 1 containing, based on its total weight, 20 to 40 wt.%, preferably 25 to 33 wt.% of anionic surfactant.
  • the anionic surfactant is selected from the group of Cs-is-alkylbenzenesulfonates, Cs-is-olefinsulfonates, C12-18 alkanesulfonates, Cs-is-estersulfonates, Cs-is-alkyl sulfates, Cs-is-alkenyl sulfates, fatty alcohol ether sulfates, in particular from the group of Cs-is-alkylbenzenesulfonates and fatty alcohol ether sulfates, preferably from the group of Cs-is-alkylbenzenesulfonates.
  • anionic surfactant is selected from the group of alkanolamine Cs-is-alkylbenzenesulfonates.
  • Detergent preparation according to item 4 wherein the anionic surfactant is selected from the group of alkanolamine Cs-is-alkylbenzenesulfonates with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine.
  • the anionic surfactant is selected from the group of alkanolamine Cs-is-alkylbenzenesulfonates with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine.
  • Detergent preparation according to one of the preceding points containing, based on its total weight, 4 to 12% by weight, preferably 6 to 10% by weight, of fatty acid.
  • fatty acid is selected from the group of C12-18 fatty acids, preferably from the group caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and mixtures thereof.
  • the nonionic surfactant c1) is selected from the group of ethoxylated primary Cs-is alcohols, preferably the ethoxylated primary Cs-is alcohols with a degree of alkoxylation of 4 to 10, particularly preferably the C12-14 alcohols with 4 EO or 7 EO, the Cg-n alcohols with 7 EO, the Cs alcohols with 5 EO, 7 EO or 8 EO, the Cs oxo alcohols with 7 EO, the Cs alcohols with 5 EO or 7 EO, in particular the Cs fatty alcohols with 7 EO or the Cs oxo alcohols with 7 EO.
  • Detergent preparation according to one of the preceding points containing, based on its total weight, 0.0001 to 0.5 wt.%, preferably 0.0005 to 0.3 wt.% of non-ionic surfactant c2).
  • non-ionic surfactant c2 is selected from the group of non-ionic surfactants with an HLB value >12, preferably >14.
  • Detergent preparation according to one of the preceding points, wherein the non-ionic surfactant c2) is selected from the group of fatty alcohols with a degree of alkoxylation of 20 to 60, preferably of 30 to 60, in particular from the group of compounds with the INC I designation Steareth-30, Ceteareth-30, Oleth-30 and Ceteareth-50.
  • non-ionic surfactant c2) is selected from the group of glycerol fatty acid esters with a degree of alkoxylation of 20 to 60, preferably of 30 to 60, in particular from the group of compounds with the INCI name PEG-40 Hydrogenated Castor Oil and PEG-60 Hydrogenated Castor Oil, in particular PEG-40 Hydrogenated Castor Oil.
  • Detergent preparation according to one of the preceding points, wherein the detergent preparation, based on its total weight, further contains c3) 0.5 to 5 wt. % of a co-surfactant selected from the group of alkoxylated Cs-Cs fatty alcohols with a degree of alkoxylation ⁇ 3, aliphatic Ce-Ci4 alcohols, aromatic Ce-Ci4 alcohols, aliphatic Ce-Ci2 dialcohols, monoglycerides of Ci2-Ci8 fatty acids, monoglycerol ethers of Cs-Cis fatty alcohols and mixtures, preferably from the group of alkoxylated Cs-Cis fatty alcohols with a degree of alkoxylation ⁇ 3.
  • a co-surfactant selected from the group of alkoxylated Cs-Cs fatty alcohols with a degree of alkoxylation ⁇ 3.
  • Detergent preparation according to one of the preceding points containing, based on its total weight, 7 to 20 wt.%, preferably 10 to 18 wt.% of organic solvent.
  • the organic solvent is selected from the group consisting of 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 monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxy
  • Detergent preparation according to one of the preceding points containing, based on its total weight, 0.4 to 6 wt.%, preferably 0.5 to 4 wt.% of salt of a divalent cation.
  • the divalent salt is selected from the group of divalent metallic cations, preferably the magnesium and calcium salts, preferably from the group magnesium chloride, magnesium sulfate, calcium chloride and calcium sulfate, particularly preferably from the group magnesium chloride and calcium chloride, in particular calcium chloride.
  • Detergent preparation according to one of the preceding points containing, based on its total weight, 0.01 to 0.7 wt.%, preferably 0.02 to 0.5 wt.% of fragrance capsules.
  • fragrance capsules are selected from the group of melamine-urea-formaldehyde-containing fragrance capsules, melamine-formaldehyde-containing fragrance capsules, urea-formaldehyde-containing fragrance capsules.
  • fragrance capsules are selected from the group of biopolymer-containing fragrance capsules, in particular from the group of protein-containing fragrance capsules and polysaccharide-containing fragrance capsules, in particular gelatin-containing fragrance capsules, chitosan-containing fragrance capsules, starch-containing fragrance capsules and alginate-containing fragrance capsules.
  • fragrance capsules have a core material and a barrier layer surrounding the core material and a stability layer arranged on the outer surface of the barrier layer, and the stability layer comprises at least one biopolymer.
  • Detergent preparation according to one of the preceding points containing, based on its total weight, less than 18% by weight, preferably less than 15% by weight, of water.
  • Detergent preparation according to one of the preceding points wherein the detergent preparation contains no organic opacifiers, in particular no styrene-acrylate copolymer.
  • the detergent preparation contains, based on its total weight, less than 2% by weight, preferably less than 1% by weight, particularly preferably less than 0.1% by weight and in particular no enzyme preparation.
  • Detergent preparation according to one of the preceding points, wherein the detergent preparation contains, based on its total weight, less than 2 wt.%, preferably less than 1 wt.%, particularly preferably less than 0.1 wt.% and in particular no phosphonate.
  • Detergent preparation according to one of the preceding points, wherein the detergent preparation contains, based on its total weight, an optical brightener, preferably an optical brightener of the stilbene type, in amounts below 1% by weight, preferably in amounts below 0.6% by weight.
  • an optical brightener preferably an optical brightener of the stilbene type
  • DAS1 diisodium 4,4-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2-disulfonate
  • DSBP diisodium 4,4-bis(2-sulfostyryl)biphenyl
  • detergent preparation according to one of the preceding points, wherein the detergent preparation contains, based on its total weight, a blue or violet dye in amounts below 0.1% by weight, preferably below 0.02% by weight.
  • Detergent preparation according to one of the preceding points, wherein the detergent preparation has a turbidity (HACH Turbidimeter 2100Q, 20°C, 10 ml cuvette) above 60 NTU, preferably above 100 NTU and in particular above 400 NTU.
  • HACH Turbidimeter 2100Q 20°C, 10 ml cuvette
  • detergent preparation according to one of the preceding points, wherein the detergent preparation comprises lamellar spherulites, preferably with a maximum diameter from 10 to 100 pm, particularly preferably with a maximum diameter of 25 to 50 pm.
  • Detergent portion unit comprising a) at least one first receiving chamber, b) at least one water-soluble film surrounding said first receiving chamber and c) at least one detergent preparation according to one of the preceding points located in said first receiving chamber.
  • Detergent portion unit according to item 35, wherein the detergent portion unit has at least two receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the flowable detergent preparation and the further receiving chamber is filled with a second colored detergent preparation different from the flowable detergent preparation.
  • Detergent portion unit according to item 35, wherein the detergent portion unit has at least three receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the flowable detergent preparation and the other two receiving chambers are filled separately with a second and a third detergent preparation which are different from one another and from the flowable detergent preparation.
  • Detergent portion unit according to item 35, wherein the detergent portion unit has at least four receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the flowable detergent preparation and the other three receiving chambers are filled separately from one another with a second and a third and a fourth colored detergent preparation which is different from one another and from the flowable detergent preparation.
  • a process for textile cleaning in which a flowable detergent preparation according to one of items 1 to 34 or a detergent portion unit according to one of items 35 to 38 is introduced into the wash liquor of a textile washing machine.
  • the storage stability of the detergent compositions was tested by storing them for four weeks at room temperature (20°C).
  • the homogeneous distribution of the fragrance capsules in the detergent composition was evaluated (1: poor to 5: excellent).

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne une préparation de détergent contenant, par rapport à son poids total, a) de 12 à 45 % en poids d'un tensioactif anionique ; b) de 2 à 15 % en poids d'un acide gras ; c1) de 12 à 36 % en poids d'un tensioactif non ionique du groupe d'alcools gras linéaires ou ramifiés ayant un degré d'alcoxylation de 4 à 10 ; c2) de 0,001 à 1 % en poids d'un tensioactif non anionique du groupe d'alcools gras et d'ester d'acide gras de glycérine ayant un degré d'alcoxylation de 20 à 60 ; d) de 5 à 25 % en poids d'un solvant organique ; e) de 0,3 à 8 % en poids d'un sel d'un cation bivalent ; f) de 0,01 à 1% en poids de capsules de parfum ; et g) moins de 20 % en poids d'eau. L'invention concerne également un procédé de lavage de textiles mettant en œuvre ladite préparation de détergent.
PCT/EP2024/080528 2023-11-29 2024-10-29 Préparation de détergent à propriétés améliorées Pending WO2025113911A1 (fr)

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DE102023211944.7 2023-11-29
DE102023211944.7A DE102023211944A1 (de) 2023-11-29 2023-11-29 Waschmittelzubereitung mit verbesserten Eigenschaften

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011075425A1 (fr) * 2009-12-18 2011-06-23 The Procter & Gamble Company Composition comprenant des microcapsules
WO2022219109A1 (fr) * 2021-04-15 2022-10-20 Unilever Ip Holdings B.V. Compositions de conditionneur de tissu
WO2023067041A1 (fr) * 2021-10-21 2023-04-27 Givaudan Sa Composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011075425A1 (fr) * 2009-12-18 2011-06-23 The Procter & Gamble Company Composition comprenant des microcapsules
WO2022219109A1 (fr) * 2021-04-15 2022-10-20 Unilever Ip Holdings B.V. Compositions de conditionneur de tissu
WO2023067041A1 (fr) * 2021-10-21 2023-04-27 Givaudan Sa Composition

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