EP2716747B1 - Mélange des agents tensioactifs à haute performance et lessive le contenant - Google Patents

Mélange des agents tensioactifs à haute performance et lessive le contenant Download PDF

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Publication number
EP2716747B1
EP2716747B1 EP13185863.1A EP13185863A EP2716747B1 EP 2716747 B1 EP2716747 B1 EP 2716747B1 EP 13185863 A EP13185863 A EP 13185863A EP 2716747 B1 EP2716747 B1 EP 2716747B1
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Prior art keywords
surfactant
formula
surfactants
weight
bis
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English (en)
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EP2716747A1 (fr
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Inga Kerstin Vockenroth
Eva-Maria Wikker
Benoit Luneau
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • 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
    • C11D1/662—Carbohydrates or derivatives
    • 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

Definitions

  • the invention relates to a surfactant mixture which has an improved cleaning performance at low temperatures in detergents.
  • the invention also relates to the use of the surfactant mixtures and detergents containing the surfactant mixture.
  • the surfactants contained in the detergents develop their optimum effectiveness when completely dissolved.
  • a physical quantity for the dissolution behavior of surfactants is the so-called Krafft point, which is a term for the temperature at which the solubility of ionic surfactants due to the formation of micelles greatly increases.
  • Detergents preferably contain those surfactants whose Krafft point is above the wash temperature.
  • liquid detergents In the form of liquid detergents, they may occasionally be exposed to water at or below freezing point during distribution or storage. With insufficient cold stability of the detergent suspension / emulsion, phase separations may occur which result in inaccurate dosing of the detergent during use as the solids settle to the bottom of the container.
  • the object of the present invention was to develop water-soluble surfactant mixtures which lead to good cold stabilities and good water solubilities of liquid detergents prepared therewith.
  • the publication DE 40 26 809 A1 relates to liquid detergents containing a mixture of anionic surfactant and nonionic surfactant in which the proportion of nonionic surfactant predominates and as thickeners alkylpolyglycoside compounds having a linear alkyl group having 8 to 20 carbon atoms and a degree of polymerization (DP) in the range of 1.35 to 2.50.
  • DP degree of polymerization
  • compositions containing a mixture of fatty alcohol ether sulfate potassium salt, C 4-22 alkyl and / or C 4-22 alkenyl oligoglycoside and a combination of specific fatty alcohol polyglycol ethers are suitable, inter alia, for the production of oil-containing laundry detergents.
  • the publication DE 42 36 506 A1 relates to aqueous hand dishwashing detergents having improved low-temperature stability, comprising a mixture of anionic surfactant, C 6-22 alkyl and / or C 6-22 alkenyl oligoglycoside and a combination of specific fatty alcohol polyglycol ethers.
  • liquid detergents which comprise the surfactant mixture according to the invention are distinguished by improved low-temperature stability.
  • the surfactant mixture or the detergent according to the invention contains at least three surfactants, but may also contain four, five or more different surfactants.
  • the first surfactant a) used according to the invention is at least one anionic surfactant.
  • Preferred anionic surfactants in surfactant mixtures according to the invention or in detergents according to the invention are alkyl sulfates, alkyl polyglycol ether sulfates and ether carboxylic acids having 10 to 18 carbon atoms in the alkyl group and up to 12 glycol ether groups in the molecule and sulfosuccinic acid mono- and dialkyl esters having 8 to 18 carbon atoms in the alkyl group and sulfosuccinic monoalkylpolyoxyethyl esters having 8 to 18 carbon atoms in the alkyl group and 1 to 6 oxyethyl groups.
  • Preferred novel surfactant mixtures or inventive detergents contain at least one surfactant of the formula R 1 is -O- (AO) n -SO 3 - X + .
  • R 1 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical, preferably a linear, unsubstituted alkyl radical, more preferably a fatty alcohol radical.
  • Preferred radicals R 1 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms Atoms are preferred.
  • Particularly preferred radicals R 1 are derived from C 12 -C 18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or C 10 -C 20 oxo alcohols.
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) moiety, preferably an ethylene oxide moiety.
  • the index n stands for an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Most preferably, n stands for the numbers 2, 3, 4, 5, 6, 7 or 8.
  • X stands for a monovalent cation or the nth part of an n-valent cation, preference is given to the alkali metal ions and below Na + or K + , with Na + being extremely preferred.
  • Other cations X + may be selected from NH 4 + , 1 ⁇ 2Zn 2+ , 1 ⁇ 2Mg 2+ , 1 ⁇ 2Ca 2+ , 1 ⁇ 2Mn 2+ , and mixtures thereof.
  • Anionic surfactants a) are preferably present in the surfactant mixture at a certain weight proportion, the amounts given to the total surfactant mixture, i. refer to the total amount of all surfactants. This sum of the surfactants is normalized according to the invention as 100%.
  • Surfactant mixtures or liquid detergents which are preferred according to the invention are characterized in that, based on the total amount of surfactants, they contain from 20 to 40% by weight, preferably from 22.5 to 39% by weight, more preferably from 25 to 38% by weight and in particular 27, 5 to 35 wt .-% fatty alcohol ether sulfate (s) included.
  • Preferred novel surfactant mixtures or inventive detergents contain at least one surfactant of the formula R 3 -A-SO 3 - Y + .
  • R 3 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical and the grouping -A- for -O- or a chemical bond.
  • certain radicals R 3 are preferred.
  • R 3 is preferably a linear, unsubstituted alkyl radical, more preferably a fatty alcohol radical.
  • Preferred radicals R 1 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms Atoms are preferred.
  • Particularly preferred radicals R 1 are derived from C 12 -C 18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or C 10 -C 20 oxo alcohols.
  • X stands for a monovalent cation or the n-th part of an n-valent cation, preferred are the alkali metal ions and including Na + or K + , with Na + is highly preferred.
  • Other cations X + may be selected from NH 4 + , 1 ⁇ 2Zn 2+ , 1 ⁇ 2Mg 2+ , 1 ⁇ 2Ca 2+ , 1 ⁇ 2Mn 2+ , and mixtures thereof.
  • R 3 is preferably a linear or branched unsubstituted alkylaryl radical.
  • X is a monovalent cation or the nth part of an n-valent cation, the alkali metal ions being preferred, and Na + or K + being preferred, Na + being extremely preferred.
  • Other cations X + may be selected from NH 4 + , 1 ⁇ 2Zn 2+ , 1 ⁇ 2Mg 2+ , 1 ⁇ 2Ca 2+ , 1 ⁇ 2Mn 2+ , and mixtures thereof.
  • Such highly preferred surfactants are selected from linear or branched alkylbenzenesulfonates of the formula A-3 in which R 'and R "together contain 9 to 19, preferably 11 to 15 and in particular 11 to 13 C atoms
  • a very particularly preferred representative can be described by the formula A-3a:
  • Surfactants of the formula A3 are also preferably present in the surfactant mixture to a certain proportion by weight, the quantities being based on the total surfactant mixture, i. refer to the total amount of all surfactants. This sum of the surfactants is normalized according to the invention as 100%.
  • Surfactant mixtures or detergents which are preferred according to the invention are characterized in that they contain from 17.5 to 35% by weight, preferably from 18 to 32.5% by weight, more preferably from 18.5 to 30% by weight, based on the total amount of surfactants. %, even more preferably from 19 to 27.5% by weight and in particular from 20 to 25% by weight of surfactants from the group comprising C 9-13- alkylbenzenesulfonates, olefinsulfonates, C 12-18 -alkanesulfonates, ester sulfonates, alk (en) ylsulfate, and mixtures thereof.
  • the surfactant mixtures or detergents according to the invention contain at least one nonionic surfactant of the formula (I) R 1 O- [G] p (I), in which R 1 is - (CH 2 ) 7 -CH 3 or - (CH 2 ) 9 -CH 3 , G is a sugar moiety having 5 or 6 carbon atoms and p is a number from 1 to 10.
  • This nonionic surfactant of the formula (I) is contained in an amount of from 10 to 90% by weight, based on the total amount of all nonionic surfactants.
  • R 1 is an n-octyl or an n-decyl radical.
  • the sugar residue G can be formed from sugars with 5 (pentoses) or 6 (hexoses) carbon atoms, the degree of oligomerization p can be from 1 to 10.
  • Preferred nonionic surfactant (s) of the formula (I) according to the invention are n-octyl riboside, n-octyl-arabinoside, n-octyl-xyloside, n-octyl-lyxoside, n-octyl-alloside, n- Octyl altrose, n-octyl glucoside, n-octyl mannoside, n-octyl guloside, n-octyl idoside, n-octyl galactoside, n-octyl taloside, n-decyl riboside, n-decyl arabinoside, n-decyl xyloside, n-decyl lyxoside, n-decyl alloside, n-decyl altrose, n-decyl
  • Particularly preferred nonionic surfactants of the formula (I) are derived from glucose and can be described by the formula (Ia): in which n is 7 [corresponding to an octyl radical - (CH 2 ) 7 -CH 3 ] or 9 [corresponding to a decyl radical - (CH 2 ) 9 -CH 3 ] and p is a number from 1 to 10.
  • Particularly preferred nonionic surfactants of the formula (Ia) can be described by the formulas (Ia-1) and (Ia-2): in which p stands for numbers from 1 to 10.
  • the degree of oligomerization p in the formulas (I), (Ia), (Ia-1) and (Ia-2) is 1 to 10 according to the invention. It is preferably ⁇ 8, more preferably ⁇ 6, even more preferably ⁇ 4 and in particular ⁇ 2.
  • Particularly preferred surfactant mixtures or detergents according to the invention contain nonionic surfactants of the formulas (I), (Ia), (Ia-1) or (Ia-2) in which p is from 1.4 to 1.8, preferably from 1 , 45 to 1.75, more preferably from 1.5 to 1.7, and especially from 1.55 to 1.65.
  • Surfactant mixtures or detergents preferred according to the invention comprise mixtures of nonionic surfactants of the formulas (Ia-3) to (Ia-10) wherein particularly preferred surfactant mixtures or detergents according to the invention exclusively comprise mixtures of nonionic surfactants of the formulas (Ia-3) to (Ia-8) and average degrees of oligomerization P of from 1.4 to 1.8, preferably from 1.45 to 1.75, more preferred from 1.5 to 1.7 and especially from 1.55 to 1.65.
  • preferred surfactant mixtures or detergents according to the invention are characterized in that they contain a nonionic surfactant of the formula (I) in which G is a glucose residue and p is a number from 1.4 to 1.8, preferably from 1.45 to 1.75, more preferably from 1.5 to 1.7 and especially from 1.55 to 1.65.
  • the nonionic surfactant of the formula (I) is present in an amount of from 10 to 90% by weight, based on the total amount of all nonionic surfactants, in the surfactant mixture or in the detergent according to the invention.
  • Preferred surfactant mixtures or detergents according to the invention are characterized in that the nonionic surfactant of the formula (I) is present in an amount of from 40 to 50% by weight, based in each case on the total amount of all nonionic surfactants.
  • the surfactant mixture according to the invention or the detergent according to the invention contains at least one further nonionic surfactant from the group of fatty alcohol ethoxylates, since these surfactants, together with the other two surfactants, give high-performance detergents even at low washing temperatures and have excellent low-temperature stability in the case of liquid preparations.
  • R 2 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
  • Preferred radicals R 2 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms Atoms are preferred.
  • Particularly preferred radicals R 2 are derived from C 12 -C 18 -fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or C 10 -C 20 -oxo alcohols.
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) moiety, preferably an ethylene oxide moiety.
  • EO ethylene oxide
  • PO propylene oxide
  • the index n stands for an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Most preferably, n stands for the numbers 2, 3, 4, 5, 6, 7 or 8.
  • the surfactant c) is contained in the surfactant mixture to a certain weight fraction, wherein the amounts refer to the total surfactant mixture, ie the total amount of the three surfactants a) + b) + c). This sum of the three surfactants is inventively 100% normalized, even if the surfactant mixture should not consist of 100% of the three surfactants a), b) and c).
  • surfactants i) and ii) have been described above as preferred surfactants a) of the formulas (A-2) and (A-3), the surfactant iii) as the preferred surfactant having the formula (C-1).
  • the surfactant system according to the invention is present in the detergents according to the invention in amounts of from 1 to 40% by weight, preferably from 2.5 to 39% by weight, more preferably from 5 to 38% by weight, based on the total amount of the detergent. even more preferably from 7.5 to 37% by weight, even more preferably from 8.5 to 36% by weight and in particular from 10 to 35% by weight.
  • Preferred detergents contain, based on the total amount of the washing detergent, 2 to 25% by weight, preferably 2.5 to 20% by weight, more preferably 3 to 17.5% by weight and in particular 5 to 12.5% by weight.
  • Further preferred detergents based on the total amount of the detergent 2.5 to 20 wt .-%, preferably 3 to 18 wt .-%, more preferably 3.5 to 17 wt .-%, still more preferably 4 to 15 wt. % and in particular 5 to 10 wt .-% of surfactants from the group comprising C 9-13 alkyl benzene sulfonates, olefin sulfonates, C 12-18 alkanesulfonates ester sulfonates, alk (en) ylsulfate, and mixtures thereof [surfactant ii)].
  • surfactants from the group comprising C 9-13 alkyl benzene sulfonates, olefin sulfonates, C 12-18 alkanesulfonates ester sulfonates, alk (en) ylsulfate, and mixtures thereof [surfactant ii)].
  • detergents based on the total amount of the detergent 1 to 15 wt .-%, preferably 2 to 14 wt .-%, more preferably 2.5 to 13 wt .-%, still more preferably 3 to 10 wt .-% and in particular from 3.5 to 6% by weight of fatty alcohol ethoxylate (s) [surfactant iii)].
  • Particularly preferred detergents contain nonionic surfactants in specific amounts. Extremely preferred detergents according to the invention are characterized in that the total amount of nonionic surfactants, based on the weight of the detergent, is 1 to 20% by weight, preferably 2 to 15% by weight, more preferably 2.5 to 12.5% by weight. , even more preferably 3 to 11 wt .-% and in particular 4 to 10 wt .-% is.
  • the detergents according to the invention additionally contain soap (s).
  • Preferred laundry detergents according to the invention are characterized in that they contain 0.5 to 15% by weight, preferably 1 to 12.5% by weight, more preferably 1.5 to 10% by weight, based on their weight more preferably 2 to 7.5 wt .-% and in particular 2.5 to 6 wt .-% soap (s) included.
  • the washing according to the invention may contain further ingredients which further improve the performance and / or aesthetic properties of the washing or cleaning agent.
  • the detergent preferably additionally contains one or more substances from the group of builders, bleaches, electrolytes, nonaqueous solvents, pH adjusters, perfumes, perfume carriers, fluorescers, dyes, hydrotropes, foam inhibitors, silicone oils, anti redeposition agents, grayness inhibitors, anti-shrinkage agents, anti-wrinkling agents, Color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic agents, bittering agents, ironing aids, repellents and impregnating agents, swelling and anti-slip agents, plasticizing components and UV absorbers.
  • Suitable builders which may be present in the detergent are, in particular, silicates, aluminum silicates (in particular zeolites), carbonates, salts of organic di- and polycarboxylic acids and mixtures of these substances.
  • Organic builders which may be present in the detergent are, for example, the polycarboxylic acids which can be used in the form of their sodium salts, polycarboxylic acids meaning those carboxylic acids which carry more than one acid function. These are, for example, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), methylglycinediacetic acid (MGDA) and derivatives thereof and mixtures thereof.
  • Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures thereof.
  • polymeric polycarboxylates are suitable. These are, for example, the alkali metal salts of polyacrylic acid or polymethacrylic acid, for example, those having a molecular weight of 600 to 750,000 g / mol.
  • Suitable polymers are in particular polyacrylates, which preferably have a molecular weight of from 1,000 to 15,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molecular weights of from 1,000 to 10,000 g / mol, and particularly preferably from 1,000 to 5,000 g / mol, may again be preferred from this group.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
  • the polymers may also contain allylsulfonic acids, such as allyloxybenzenesulfonic acid and methallylsulfonic acid, as a monomer.
  • liquid detergents preference is given to using soluble builders, such as, for example, citric acid, or acrylic polymers having a molar mass of from 1,000 to 5,000 g / mol.
  • soluble builders such as, for example, citric acid, or acrylic polymers having a molar mass of from 1,000 to 5,000 g / mol.
  • the detergents contain an enzyme or a mixture of enzymes.
  • Particularly suitable are those from the class of the hydrolases such as the proteases, (poly) esterases, lipases, amylases, glycosyl hydrolases, cellulases, hemicellulases, cutinases, ⁇ -glucanases, oxidases, peroxidases, mannanases, perhydrolases, Oxireduktasen and / or laccases.
  • the amount of enzyme or of the enzymes is preferably 0.01 to 10 wt .-%, preferably 0.12 to about 3 wt .-%, based on the total detergent.
  • the enzymes are preferably used as enzyme liquid formulation (s).
  • Preferred detergents are liquid and preferably contain water as the main solvent. It is preferred that the detergent more than 5 wt .-%, preferably more than 15 wt .-% and particularly preferably more than 25 wt .-%, each based on the total amount of detergent, water. Particularly preferred liquid detergents according to the invention contain, based on their weight, 5 to 90% by weight, preferably 10 to 85% by weight, particularly preferably 25 to 75% by weight and in particular 35 to 65% by weight of water.
  • nonaqueous solvents may be added to the detergent.
  • Suitable non-aqueous solvents include mono- or polyhydric alcohols, alkanolamines or glycol ethers, provided that they are miscible with water in the specified concentration range.
  • the solvents are selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyldiglycol, butyldiglycol, 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 propyl
  • a liquid detergent dispersed particles whose diameter is preferably 1 to 2000 microns along their greatest spatial extent, may contain.
  • particles may be capsules, abrasives as well as powders, granules or compounds of compounds which are insoluble in the detergent, with capsules being preferred.
  • capsule on the one hand understood aggregates with a core-shell structure and on the other hand aggregates with a matrix.
  • Core-shell capsules contain at least one solid or liquid core which is enclosed by at least one continuous shell, in particular a shell of polymer (s).
  • the capsules may include, for example, optical brighteners, surfactants, complexing agents, bleaches, bleach activators, dyes and fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, graying inhibitors, anti redeposition agents, pH adjusters, electrolytes, detergency boosters, vitamins, proteins , Foam inhibitors and UV absorbers are located.
  • the fillings of the capsules may be solids or liquids in the form of solutions or emulsions or suspensions.
  • the capsules may have any shape in the production-related framework, but they are preferably approximately spherical. Their diameter along their greatest spatial extent may be between 1 ⁇ m and 2000 ⁇ m, depending on the components contained within and their application.
  • particles which have no core-shell structure but in which the active substance is distributed in a matrix of a matrix-forming material. Such particles are also referred to as "matrix particles”.
  • the matrix formation in these materials takes place for example via gelation, polyanion-polycation interactions or polyelectrolyte-metal ion interactions and is well known in the art as well as the production of particles with these matrix-forming materials.
  • An exemplary matrix-forming material is alginate.
  • For producing alginate-based speckles is an aqueous alginate solution which also contains the entrapped active ingredient or active ingredients to be entrapped, and then dripped cured 3+ ions precipitation bath containing ions in a Ca 2+ or Al.
  • matrix-forming materials can be used instead of alginate.
  • the capsules can be stably dispersed in the liquid detergents.
  • Stable means that the detergents are at room temperature over a period of time at least 4 weeks and preferably at least 6 weeks, without the particles creaming or sedimenting in the medium.
  • the release of the active ingredients from the capsules is usually carried out by destruction of the shell or the matrix due to mechanical, thermal, chemical or enzymatic action.
  • the liquid detergents contain capsules in which one or more fragrances are contained.
  • the particles may include abrasives such as plastic or calcium carbonate beads as well as powders, granules or compounds of detergent insoluble compounds.
  • the liquid detergents contain identical or different particles in amounts of 0.05 to 10 wt .-%, in particular 0.1 to 8 wt .-% and most preferably 0.2 to 5 wt .-%.
  • Table 1 shows an inventive liquid detergent B compared with a commercial liquid detergent A: Table 1: A (reference) B C 9-13 Alkylbenzenesulfonate, Na salt 8th 8th C 12-18 fatty alcohol with 7 EO 8th 4 C 12-14 fatty alcohol ether sulfate with 2 EO 10 10 C 12-18 fatty acid, Na salt 5 5 citric acid 3 3 Sodium hydroxide, 50% 3.5 3.5 boric acid 1 1 enzymes 1.5 1.5 Perfume 1.5 1.5 propanediol 2.5 2.5 ethanol 2 2 Optical brightener 0.1 0.1 Phosphonic acid, Na salt 0.5 0.5 C 8-10 alkyl glucoside, degree of oligomerization 1.6 0 4 water on 100 on 100 on 100

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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Claims (11)

  1. Mélange de tensioactifs, contenant
    a) au moins un tensioactif anionique,
    b) au moins un tensioactif non ionique de formule (I)

            R1O-[G]P     (I),

    dans laquelle R1 représente -(CH2)7-CH3 ou -(CH2)9-CH3, G représente un radical de sucre ayant 5 ou 6 atomes de carbone et p représente des nombres compris entre 1 et 10,
    caractérisé en ce que le tensioactif non ionique de formule (I) est présent en une quantité comprise entre 35 et 55 % en poids par rapport à la quantité totale de tous les tensioactifs non ioniques.
  2. Mélange de tensioactifs selon la revendication 1, contenant en outre au moins un tensioactif non ionique de
    formule

            R2-O-(AO)m-H,

    dans laquelle
    R2 représente un radical alkyle, aryle ou alkylaryle, linéaire ou ramifié, substitué ou non substitué,
    AO représente un groupement d'oxyde d'éthylène (OE) ou d'oxyde de propylène (OP),
    m représente des nombres entiers compris entre 1 et 50.
  3. Détergent pour le lavage domestique de textiles, contenant
    a) au moins un tensioactif anionique,
    b) au moins un tensioactif non ionique de formule (I)

            R1O-[G]P     (I),

    dans laquelle R1 représente -(CH2)7-CH3 ou -(CH2)9-CH3, G représente un radical de sucre ayant 5 ou 6 atomes de carbone et p représente des nombres compris entre 1 et 10,
    caractérisé en ce que le tensioactif non ionique de formule (I) est présent en une quantité comprise entre 35 et 55 % en poids par rapport à la quantité totale de tous les tensioactifs non ioniques.
  4. Mélange de tensioactifs selon l'une des revendications 1 ou 2 ou détergent selon la revendication 3, caractérisé en ce que le tensioactif non ionique de formule (I) est présent en une quantité comprise entre 40 et 50 % en poids, respectivement par rapport à la quantité totale de tous les tensioactifs non ioniques.
  5. Mélange de tensioactifs selon l'une des revendications 1, 2 ou 4 ou détergent selon l'une des revendications 3 ou 4, caractérisé en ce qu'il contient un tensioactif non ionique de formule (I), dans laquelle G représente un radical de glucose et p représente des nombres compris entre 1,4 et 1,8, de préférence entre 1,45 et 1,75, de manière davantage préférée entre 1,5 et 1,7 et en particulier entre 1,55 et 1,65.
  6. Mélange de tensioactifs selon l'une des revendications 1, 2, 4 ou 5 ou détergent selon l'une des revendications 3 à 5, caractérisé en ce qu'il contient
    i) au moins un tensioactif anionique de formule R1-O-(AO)n-SO3 -X+,
    ii) au moins un tensioactif anionique de formule R3-A-SO3 -Y+
    iii) au moins un tensioactif non ionique de formule R2-O-(AO)m-H, dans lesquelles
    R1, R2, R3 représentent indépendamment un radical alkyle, aryle ou alkylaryle, linéaire ou ramifié, substitué ou non substitué,
    AO représente un groupement d'oxyde d'éthylène (OE) ou d'oxyde de propylène (OP),
    n,m représente des nombres entiers compris entre 1 et 50,
    A représente -O- ou une liaison chimique,
    X, Y représentent indépendamment un cation monovalent ou la n-ième partie d'un cation n-valent.
  7. Détergent selon l'une des revendications 3 à 6, caractérisé en ce qu'il contient, par rapport à son poids, 2 à 25 % en poids, de préférence 2,5 à 20 % en poids, de manière davantage préférée 3 à 17,5 % en poids et en particulier 5 à 12,5 % en poids d'éther sulfate(s) d'alcool(s) gras [tensioactif i)].
  8. Détergent selon l'une des revendications 3 à 7, caractérisé en ce qu'il contient, par rapport à son poids, 2,5 à 20 % en poids, de préférence 3 à 18 % en poids, de manière davantage préférée 3,5 à 17 % en poids, mieux encore 4 à 15 % en poids, et en particulier 5 à 10 % en poids de tensioactifs choisis dans le groupe constitué par les alkylbenzènesulfonates C9-13, les oléfinosulfonates, les estersulfonates d'alcanesulfonates C12-18, les alk(én)ylulfates et les mélanges de ceux-ci [tensioactif ii)].
  9. Détergent selon l'une des revendications 3 à 8, caractérisé en ce qu'il contient, par rapport à son poids, 1 à 15 % en poids, de préférence 2 à 14 % en poids, de manière davantage préférée 2,5 à 13 % en poids, mieux encore 3 à 10 % en poids et en particulier 3,5 à 6 % en poids d'éthoxylate(s) d'alcool(s) gras [tensioactif iii)].
  10. Détergent selon l'une des revendications 3 à 9, caractérisé en ce que la quantité totale de tensioactifs non ioniques, par rapport au poids du détergent ou du produit de nettoyage, est comprise entre 1 et 20 % en poids, de préférence entre 2 et 15 % en poids, de manière davantage préférée entre 2,5 et 12,5 % en poids, mieux encore entre 3 à 11 % en poids et en particulier entre 4 à 10 % en poids.
  11. Détergent selon l'une des revendications 3 à 10, caractérisé en ce qu'il contient, par rapport à son poids, 0,5 à 15 % en poids, de préférence 1 à 12,5 % en poids, de manière davantage préférée 1,5 à 10 % en poids, mieux encore 2 à 7,5 % en poids et en particulier 2,5 à 6 % en poids de savon(s).
EP13185863.1A 2012-10-02 2013-09-25 Mélange des agents tensioactifs à haute performance et lessive le contenant Revoked EP2716747B1 (fr)

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DE201210218020 DE102012218020A1 (de) 2012-10-02 2012-10-02 Leistungsstarke Tensidmischung und Wasch- oder Reinigungsmittel enthaltend diese

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DE102012215833A1 (de) * 2012-09-06 2014-03-06 Henkel Ag & Co. Kgaa Enzymstabilisierende Tensidmischung und flüssige Wasch- oder Reinigungsmittel enthaltend diese
WO2024002922A1 (fr) * 2022-06-29 2024-01-04 Novozymes A/S Formulation de détergent à lessive liquide

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US5599787A (en) 1992-10-29 1997-02-04 Henkel Kommanditgesellschaft Auf Aktien Aqueous anionic surfactant solutions stable at low temperature comprising glycoside and alkoxylated nonionic surfactant mixtures and processes of making same
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US7939487B2 (en) 2008-08-26 2011-05-10 The Clorox Company Natural cleaners

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DE19736906A1 (de) 1997-08-25 1999-03-04 Henkel Kgaa Verfahren zur Herstellung von sulfatierten Fettsäurealkylenglykolestern
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US7297675B2 (en) 2004-11-17 2007-11-20 Goldschmidt Gmbh Process for the preparation of highly concentrated flowable aqueous solutions of betaines
US7939487B2 (en) 2008-08-26 2011-05-10 The Clorox Company Natural cleaners

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COGNIS: "Alkyl Polyglucosides(APGO)", COGNIS - TECHNICAL BROCHURE, April 2005 (2005-04-01), XP055698714
HOLMBERG K. ET AL: "Surfactant science and technology", 5 May 2014, article "Chapter 15 Hydrotropes Structure and Function", pages: 399 - 408, XP055698719
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