EP2162523A2 - Mélanges de tensioactifs présentant des propriétés synergiques - Google Patents

Mélanges de tensioactifs présentant des propriétés synergiques

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Publication number
EP2162523A2
EP2162523A2 EP08759219A EP08759219A EP2162523A2 EP 2162523 A2 EP2162523 A2 EP 2162523A2 EP 08759219 A EP08759219 A EP 08759219A EP 08759219 A EP08759219 A EP 08759219A EP 2162523 A2 EP2162523 A2 EP 2162523A2
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EP
European Patent Office
Prior art keywords
acid
acids
weight
surfactants
sodium
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.)
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Application number
EP08759219A
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German (de)
English (en)
Inventor
Frank Richter
Nicole Nitschke
Gerd Reinhardt
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.)
Clariant Finance BVI Ltd
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Clariant Finance BVI Ltd
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Publication of EP2162523A2 publication Critical patent/EP2162523A2/fr
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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
    • C11D1/02—Anionic compounds
    • C11D1/37—Mixtures of compounds all of which are anionic
    • 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
    • C11D1/143—Sulfonic acid esters

Definitions

  • the invention relates to combinations of secondary alkanesulfonates (SAS), ⁇ -methyl ester sulfonates ( ⁇ -MES) and ⁇ -methyl ester sulfonates ( ⁇ -MES).
  • SAS secondary alkanesulfonates
  • ⁇ -MES ⁇ -methyl ester sulfonates
  • ⁇ -MES ⁇ -methyl ester sulfonates
  • the invention relates to surfactant mixtures consisting of two or three surfactants from the group of secondary alkane sulfonates, ⁇ -methyl ester sulfonates and ⁇ -methyl ester sulfonates. Preference is given to mixtures of in each case two of the types of surfactants mentioned, i. Mixtures of SAS and ⁇ -MES, SAS and ⁇ -MES or ⁇ -MES and ⁇ -MES. The quantitative ratio of the two surfactants is generally between 99: 1 to 1:99, but the preferred proportions are dependent on the particular surfactant and are described as follows:
  • Alkanesulfonates are compounds of the formula R-SO 3 M, where R is alkyl having about 10 to 20 carbon atoms and M is an alkali, alkaline earth or ammonium ion.
  • ⁇ -methyl ester sulfonates are compounds of the formula R-CHSO 3 M-COOCH 3, wherein R kylrest a C 6 -C 2O -AI and M represents an alkali metal, alkaline earth metal or ammonium cation.
  • the products are known to be obtained by reaction of fatty acid methyl esters with sulfur trioxide.
  • Suitable are alpha-sulfonated methyl esters of hydrogenated coconut, palm kernel or Taigfettklaren, which are prepared by sulfonation of methyl esters of fatty acids of plant and / or animal origin with 8 to 20 carbon atoms in the fatty acid molecule and subsequent neutralization to water-soluble mono-salts.
  • ⁇ -Methylestersulfonate are also sulfonation of C 6 -C 2 o-fatty acid methyl esters.
  • the ⁇ -methyl ester sulfonates are obtained by photosulfide oxidation, ie by irradiation of a mixture of fatty acid methyl ester, water, oxygen and SO 2 with UV light (see ES 2 125 827). In this reaction, products are obtained in which the sulfo group is not incorporated in the ⁇ -position of the fatty acid residue, but is statically distributed over the entire chain.
  • anionic surfactants can be used in customary liquid or solid detergents and cleaners together with the customary and known constituents as described below.
  • the surfactant combinations according to the invention can also be used in particular in hand dishwashing detergents, household cleaners, for example
  • All-purpose cleaner, cleaning and care agent for floors and other hard surfaces eg. As plastic, ceramic, glass or nanotechnology coated surfaces can be incorporated.
  • the washing and Detergent formulations in which the mixtures according to the invention can be used are pulverulent, granular, paste, gel or liquid.
  • the washing, care and cleaning agent formulations according to the invention comprise at least 1% by weight, preferably between 3 and 40% by weight and more preferably 4 to 30% by weight of the surfactant combinations of the invention, based on the finished compositions.
  • the detergents and cleaners according to the invention may in particular be further surface-active surfactants, peroxygen compounds, peroxygen activators or organic peracids, builders, inorganic and organic acids, bases, cleaning intensifiers, solvents, hydrotropes, buffers, complexing agents, preservatives, thickeners, skin protection agents, foam regulators, disinfectant agents, Contain enzymes and special additives with color or fiber-sparing effect.
  • Other auxiliaries such as electrolytes and dyes and perfumes are possible.
  • a hard surface cleaning agent according to the invention may contain abrasive constituents, in particular from the group comprising quartz flours, wood flours, plastic flours, chalks and glass microspheres and mixtures thereof. Abrasives are in the inventive
  • Detergents preferably not more than 20 wt .-%, in particular from 5 to 15 wt .-%, contain.
  • the detergents and cleaners may contain, in addition to the surfactant combinations according to the invention, one or more further surfactants, in particular anionic surfactants, nonionic surfactants and mixtures thereof, but also cationic, zwitterionic and amphoteric surfactants.
  • Such surfactants are present in detergent compositions according to the invention in proportions of preferably from 1 to 50% by weight, in particular from 3 to 30% by weight, whereas in hard-surface cleaners normally lower proportions, that is to say amounts of up to 20% by weight. , in particular up to 10 wt .-% and preferably in the range of 0.5 to 5 wt .-% are included.
  • suitable anionic surfactants are in particular soaps and those which contain sulfate or sulfonate groups.
  • surfactants of the sulfonate type are preferably C 8 -C 8 alkyl benzene sulfonates, olefinsulfonates, that is mixtures of alkene and hydroxyalkanesulfonates and disulfonates, such as those of monoolefins with terminal or internal double bond by sulfonating with gaseous sulfur trioxide and subsequent alkaline or acid hydrolysis of the sulfonation obtained.
  • alkanesulfonates which are obtained from C 2 -C 8 -alkanes, for example by sulfochlorination with subsequent hydrolysis or neutralization.
  • Suitable anionic surfactants are sulfated fatty acid glycerol esters, which are mono-, di- and triesters and mixtures thereof.
  • Alk (en) yl sulfates are the alkali and especially the sodium salts of the Schwefelhoffreschester C 2 -C 18 fatty alcohols, for example, from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or C 8 -C 2 o-oxoalcohols and those half-esters of secondary alcohols of this chain length are preferred.
  • alk (en) ylsulfates of said chain length which contain a synthetic, straight-chain alkyl radical produced on a petrochemical basis.
  • sulfuric monoesters of ethoxylated with 1 to 6 moles of ethylene oxide chain or branched alcohols such as 2-methyl-branched C9-Cn alcohols with an average 3.5 moles of ethylene oxide (EO) or C 2 -C 8 fatty alcohols containing 1 to 4 EO.
  • the preferred anionic surfactants also include the salts of alkylsulfosuccinic acid, which are also referred to as sulfosuccinates or as sulfosuccinic acid esters, and the monoesters and / or diesters of sulfosuccinic acid with alcohols, preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • alcohols preferably fatty alcohols and in particular ethoxylated fatty alcohols.
  • Preferred sulfosuccinates contain C 8 -C 8 fatty alcohol residues or mixtures of these.
  • Suitable further anionic surfactants are fatty acid derivatives of amino acids, for example N-methyltaurine (Tauride) and / or N-methylglycine (sarcosinate).
  • anionic surfactants are in particular soaps, for example, in amounts of 0.2 to 5 wt .-%, into consideration.
  • Particularly suitable are saturated fatty acid soaps, such as the salts of Lauhnklare, myristic acid, palmitic acid, stearic acid, hydrogenated erucic acid and behenic acid, and in particular from natural fatty acids, eg. As coconut, palm kernel or Taigfett Textren, derived soap mixtures.
  • the anionic surfactants including the soaps, present in addition to the surfactant combinations according to the invention may be in the form of their sodium, potassium or ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine.
  • the anionic surfactants are preferably present in the form of their sodium or potassium salts, in particular in the form of the sodium salts.
  • Anionic surfactants are preferably present in detergents according to the invention in amounts of from 0.5 to 50% by weight and in particular in amounts of from 5 to 25% by weight.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position , or may contain linear and methyl-branched radicals in the mixture, as they are usually present in Oxoalkoholresten.
  • EO ethylene oxide
  • the preferred ethoxylated alcohols include, for example, C 2 -C 4 -alcohols with 3 EO or 4 EO, C 9 -C 11 -alkyl with 7 EO, C 13 -C 15 -alcohols with 3 EO, 5 EO, 7 EO or 8 EO, Ci2-Ci8-alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of Ci 2 -Cu-alcohol with 3 EO and C 12 -C 8 -alcohol with 7 EO.
  • the degrees of ethoxylation given represent statistical means which, for a particular product, may be an integer or a fractional number.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE).
  • NRE narrow rank ethoxylates
  • fatty alcohols with more than 12 EO. Examples of these are (TaIg) fatty alcohols with 14 EO, 16 EO, 20 EO 1 25 EO, 30 EO or 40 EO.
  • the nonionic surfactants also include alkylpolyglycosides of the general formula RO (G) x , in which R is a primary straight-chain or methyl-branched, in particular 2-methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and 6 for a Glycoside unit with 5 or 6 C-atoms, preferably for glucose.
  • R is a primary straight-chain or methyl-branched, in particular 2-methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and 6 for a Glycoside unit with 5 or 6 C-atoms, preferably for glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is an arbitrary number - which, as a variable to be determined analytically, may also assume fractional values - between 1 and 10; preferably x is 1, 2 to 1, 4.
  • polyhydroxy fatty acid amides of the formula (I) in which R 1 is CO for an aliphatic acyl radical having 6 to 22 carbon atoms, R 2 is hydrogen; is an alkyl or hydroxyalkyl radical having 1 to 4 carbon atoms and [Z] is a linear or branched polyhydroxyalkyl radical having 3 to 10 carbon atoms and 3 to 10 hydroxyl groups
  • the polyhydroxy fatty acid amides are preferably derived from reducing sugars having 5 or 6 carbon atoms, in particular from glucose.
  • the group of polyhydroxy fatty acid amides also includes compounds of the formula (II) where R 3 is a linear or branched alkyl or alkenyl radical having 7 to 12 carbon atoms, R 4 is a linear, branched or cyclic one
  • Alkylene radical or an arylene radical having 2 to 8 carbon atoms and R 5 is a linear, branched or cyclic alkyl radical or an aryl radical or an oxy-alkyl radical having 1 to 8 carbon atoms, wherein dC 4 alkyl or phenyl radicals are preferred
  • [Z] is a linear polyhydroxyalkyl radical whose alkyl chain is substituted by at least two hydroxyl groups, or alkoxylated, preferably ethoxylated or propoxylated derivatives of this radical. [Z] is also here preferably by reductive amination of a sugar such as glucose, fructose, maltose, lactose, galactose, mannose or xylose receive.
  • the N-alkoxy- or N-allyloxy-substituted compounds can then be converted into the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst.
  • nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants, in particular together with alkoxylated fatty alcohols and / or alkyl glycosides, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably from 1 to 4 carbon atoms in the alkyl chain, especially fatty acid methyl ester.
  • Nonionic surfactants of the amine oxide type for example N-cocoalkyl-N, N-dimethylamine oxide and N-tallowalkyl-N, N-dihydroxyethylamine oxide and the fatty acid alkanolamides may also be suitable.
  • surfactants are so-called gemini surfactants. These are generally understood as meaning those compounds which have two hydrophilic groups per molecule. These groups are usually separated by a so-called “spacer". This spacer is typically a carbon chain that should be long enough for the hydrophilic groups to be spaced sufficiently apart for them to act independently of each other. Such surfactants are generally characterized by an unusually low critical micelle concentration and the ability to greatly reduce the surface tension of the water. However, it is also possible to use gemini polyhydroxy fatty acid amides or polyhydroxy fatty acid amides. Other surfactant types may have dendrimeric structures.
  • Suitable peroxide bleaches are hydrogen peroxide and hydrogen peroxide donating under the conditions of washing and cleaning
  • alkali metal peroxides such as alkali metal peroxides, organic peroxides such as urea-hydrogen peroxide adducts and inorganic persalts, such as alkali metal perborates, percarbonates, perphosphates, persilicates, persulfates and peroxynitrite. Mixtures of two or more of these compounds are also suitable. Particularly preferred are sodium perborate tetrahydrate and in particular sodium perborate monohydrate and sodium percarbonate. Sodium perborate monohydrate is preferred for its good storage stability and good solubility in water. Sodium percarbonate may be preferred for environmental reasons.
  • Hydroperoxides are another suitable group of peroxide compounds. Examples of these substances are cumene hydroperoxide and t-butyl hydroperoxide. Aliphatic or aromatic mono- or dipercarboxylic acids and the corresponding salts are suitable as peroxy compounds.
  • Examples thereof are peroxynaphthoic acid, peroxylauric acid, peroxystearic acid, N, N-phthaloylaminoperoxycaproic acid (PAP), 1,12-diperoxydodecanedioic acid, 1,9-diperoxyazelaic acid, diperoxysebacic acid, diperoxyisophthalic acid, 2-decyldiperoxybutane-1,4-diacid and 4,4'-sulfonyl-bisperoxybenzoic acid ,
  • PAP N-phthaloylaminoperoxycaproic acid
  • 1,12-diperoxydodecanedioic acid 1,9-diperoxyazelaic acid
  • diperoxysebacic acid diperoxyisophthalic acid
  • 2-decyldiperoxybutane-1,4-diacid and 4,4'-sulfonyl-bisperoxybenzoic acid e.g., 2,4'-sulfon
  • Suitable bleach activators are organic compounds having an O-acyl or N-acyl group, in particular from the group of the activated carboxylic acid esters, in particular sodium nonanoyloxybenzenesulfonate, sodium isononanoyloxybenzenesulfonate, sodium 4-benzoyloxybenzenesulfonate, sodium trimethylhexanoyloxy-benzenesulfonate, carboxylic anhydrides, in particular phthalic anhydride, acylated polyhydric alcohols, in particular triacetin, ethylene glycol diacetate, 2,5-diacetoxy-2,5-dihydrofuran, lactones, acylals, carboxamides, acylated ureas and oxamides, N-acylated hydantoins, for example 1-phenyl 3-acetylhydantoin, hydrazides, triazoles, hydrotriazines, urazoles, diketopipe
  • Cyanomethyltrimethylammonium salt but also heterocyclic substituted quaternary nitrile compounds, as described in EP-A-790 244.
  • sulfonimines open chain or cyclic quaternary iminium compounds such as dihydroisoquinolinium quats or dihydroisoquinolinium betaines and / or bleach-enhancing transition metal salts, or mono- or polynuclear transition metal complexes with acyclic or macrocyclic ligands may also be included.
  • Suitable organic and inorganic builders are neutral or in particular alkaline salts which precipitate or complex calcium ions.
  • Suitable and particularly ecologically harmless builders are crystalline, layered silicates of the general formula NaMSi ( X ) O ( 2 ⁇ + i), where M is sodium or hydrogen, x is a number from 1, 9 to 22, preferably from 1, 9 to 4 and y is a number from 0 to 33, for example Na-SKS-5 (U-Na 2 Si 2 O 5 ), Na-SKS-7 (P-Na 2 Si 2 O 5 , natrosilite),
  • Na-SKS-9 NaHSi 2 (VH 2 O), (Na-SKS-10 NaHSi 2 O 3 * 3H 2 O, kanemite), Na-SKS-11 (T-Na 2 Si 2 0 5) and Na SKS-13 (NaHSi 2 O 5 ), but especially Na-SKS-6 (5-Na 2 Si 2 O 5 ) and finely crystalline, synthetic hydrous zeolites, in particular of the type NaA, having a calcium binding capacity in the range of 100 to 200 mg CaO / g have.
  • Zeolites and phyllosilicates may be included in an amount of up to 60% by weight on average.
  • non-neutralized or partially neutralized (co) polymeric polycarboxylic acids are suitable. These include the homopolymers of acrylic acid or methacrylic acid or copolymers thereof with other ethylenically unsaturated monomers such as acrolein, dimethylacrylic acid, ethylacrylic acid, vinylacetic acid, allylacetic acid, maleic acid, fumaric acid, itaconic acid, meth (allylsulfonic acid), vinylsulfonic acid, styrenesulfonic acid, acrylamidomethyl- propane sulfonic acid and phosphorus group-containing monomers such as vinyl phosphoric acid, allyl phosphoric acid and acrylamidomethyl propane phosphoric acid and salts thereof, and hydroxyethyl (meth) acrylate sulfate, allyl alcohol sulfate and Allylalkoholphosphate.
  • ethylenically unsaturated monomers such as acrolein,
  • Preferred (co) polymers have an average molecular weight of from 1,000 to 100,000 g / mol, preferably from 2,000 to 75,000 g / mol and in particular from 2,000 to 35,000 g / mol.
  • the degree of neutralization of the acid groups is advantageously from 0 to 90%, preferably from 10 to 80% and in particular from 30 to 70%.
  • Particularly suitable polymers include homopolymers of acrylic acid and copolymers of (meth) acrylic acid with maleic acid or maleic anhydride.
  • copolymers are derived from terpolymers which are obtained by polymerization of 10 to 70 wt .-% of monoethylenically unsaturated dicarboxylic acids having 4 to 8 carbon atoms, their salts, 20 to 85 wt .-% monoethylenically unsaturated monocarboxylic acids having 3 to 10 C -Atoms or their salts, 1 to 50 wt .-% of monounsaturated monomers which release after hydrolysis hydroxyl groups on the polymer chain, and 0 to 10 wt .-% of other free-radically copolymerizable monomers.
  • graft polymers of monosaccharides, oligosaccharides, polysaccharides and modified polysaccharides and animal or vegetable proteins are also suitable.
  • polyspartic acid or its derivatives in non-neutralized or only partially neutralized form.
  • graft polymers of acrylic acid, methacrylic acid, maleic acid and other ethylenically unsaturated monomers to salts of polyaspartic acid, as usually obtained in the hydrolysis of the polysuccinimide described above. This can be dispensed with the otherwise necessary addition of acid for the preparation of only partially neutralized form of polyaspartic acid.
  • the amount of polyaspartate is usually chosen so that the degree of neutralization of all incorporated in the polymer carboxyl groups does not exceed 80%, preferably 60%.
  • carboxylic acids preferably used in the form of their sodium salts, such as citric acid, in particular trisodium citrate and trisodium citrate dihydrate, nitrilotriacetic acid and their water-soluble salts; the alkali metal salts of carboxymethyloxysuccinic acid, ethylenediaminetetraacetic acid, mono-, dihydroxysuccinic acid, ⁇ -hydroxypropionic acid, gluconic acid, mellitic acid, benzopolycarboxylic acids and those disclosed in U.S. Patent Nos. 4,144,226 and 4,146,495.
  • their sodium salts such as citric acid, in particular trisodium citrate and trisodium citrate dihydrate, nitrilotriacetic acid and their water-soluble salts
  • Phosphate-containing builders for example alkali phosphates, which may be present in the form of their alkaline neutral or acidic sodium or potassium salts are also suitable.
  • Examples thereof are trisodium phosphate, tetrasodium diphosphate, disodium dihydrogen phosphate, pentasodium triphosphate, so-called sodium hexametaphosphate, oligomeric trisodium phosphate with amounts of oligomerization in the range from 5 to 1,000, in particular 5 to 50, and mixtures of sodium and potassium salts.
  • builders may be contained from 5 to 80 wt .-%, preferably a proportion of 10 to 60 wt .-%.
  • chelating agents such as ethane-1-hydroxy-1, 1-diphosphonate and other known phosphonates as disclosed, for example, in US-3,159,581, US-3,213,030, US-3,422,021, US-3,400,148 and US-3,422,137 can be used ,
  • compositions according to the invention may contain volatile alkalizing compounds. These include ammonia and / or C-i.g alkanolamines. As alkanolamines, ethanolamines are preferred, especially preferred is monoethanolamine.
  • Detergents may further contain organic acids such as acetic acid, glycolic acid, lactic acid, citric acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid, preferred are acetic acid, citric acid and lactic acid, particularly preferred is acetic acid.
  • Acid detergent formulations according to the invention may in particular be inorganic acids, for example mineral acids such as phosphoric acid, sulfuric acid, nitric acid or hydrochloric acid, but also sulfamic acid. Also suitable are organic acids, preferably short-chain aliphatic mono-, di- and tricarboxylic acids, hydroxycarboxylic acids and dicarboxylic acids. Examples of aliphatic monocarboxylic acids and dicarboxylic acids are
  • C 1 -C 6 -alkyl and -alkenyl acids such as glutaric acid, succinic acid, propionic acid, adipic acid, maleic acid, formic acid and acetic acid.
  • hydroxycarboxylic acids may be mentioned hydroxyacetic acid and citric acid.
  • sulphonic acids of the formula R-SO 3 H, the straight or branched and / or cyclic or unsaturated Ci-C32 hydrocarbon radical containing R for example, C 6-22 alkane sulfonic acids, C 6-22 - ⁇ -alkanesulphonic acids, C 6- 2- ⁇ -Olefinsulfonklaren and Ci ⁇ -alkyl-Ce-io-Arylsulfonklaren such.
  • Ci -2 2-Alkylbezolsulfonklaren or Ci -22- Alkylnaphthalinsulfonklaren, preferably linear C 8- i 6 -Alkylbenzolsulfonklaren can be used.
  • Particularly preferred are citric acid, acetic acid, formic acid and amidosulfonic acid.
  • all mono- or polyhydric alcohols are suitable as organic solvents. Alcohols having 1 to 4 carbon atoms, such as methanol, ethanol, propanol, isopropanol, straight-chain and branched butanol, glycerol and mixtures of the alcohols mentioned are preferably used. Further preferred alcohols are polyethylene glycols having a relative
  • polyethylene glycol having a molecular weight of between 200 and 600 and in amounts of up to 45% by weight and of polyethylene glycol having a molecular weight of between 400 and 600 in amounts of from 5 to 25% by weight is preferred.
  • An advantageous mixture of solvents consists of monomeric alcohol, for example ethanol and polyethylene glycol in a ratio of 0.5: 1 to 1, 2: 1.
  • Suitable solvents include triacetin (glycerol triacetate) and 1-methoxy-2-propanol.
  • Preferred thickeners are hardened castor oil, salts of long-chain fatty acids, preferably in amounts of from 0 to 5% by weight and in particular in amounts of from 0.5 to 2% by weight, for example sodium, potassium, aluminum, magnesium and titanium stearates or the sodium and / or potassium salts of behenic acid, and polysaccharides, in particular xanthan gum, guar-guar, agar-agar, alginates and tyloses, carboxymethylcellulose and hydroxyethylcellulose, furthermore higher molecular weight polyethylene glycol mono- and diesters of fatty acids, polyacrylates, Polyvinyl alcohol and polyvinylpyrrolidone and electrolytes such as sodium chloride and ammonium chloride used.
  • Suitable thickeners are water-soluble polyacrylates which are, for example, cross-linked with about 1% of a polyallyl ether of sucrose and which have a relative molecular mass of more than one million. Examples are the polymers obtainable under the name Carbopol ® 940 and 941st The cross-linked polyacrylates are used in amounts not exceeding 1% by weight, preferably in amounts of from 0.2 to 0.7% by weight.
  • enzymes include proteases, amylases, pullulanases, cellulases, cutinases and / or lipases, for example proteases such as BLAP ®, Optimase ®, Opticlean ®, Maxacal ®, Maxapem ®, Durazym ®, Purafect ® OxP, Esperase ® and / or Savinase ®, amylases as Termamy ®, amylase LT, Maxamyl ®, Duramyl ®, Purafectel OxAm 1 cellulases like Celluzyme ®, Carezyme ®, K-AC ® and / or known from the international patent applications WO 96/34108 and WO 96/34092 cellulases and / or lipases such as Lipolase ®, Lipomax® ®, Lumafast® ® and / or Lipozym ®.
  • proteases such as BLAP ®, Optimase
  • the enzymes used can be adsorbed on carriers and / or embedded in encapsulants, as described, for example, in International Patent Applications WO 92/111347 or WO 94/23005, in order to protect them against premature inactivation. They are preferably present in the detergents and cleaners according to the invention in amounts of up to 10% by weight, in particular from 0.05 to 5% by weight, enzymes which are particularly preferably stabilized against oxidative degradation being used.
  • Machine dishwashing detergents according to the invention preferably comprise the customary alkali carriers, for example alkali metal silicates, alkali metal carbonates and / or alkali hydrogen carbonates.
  • Alkali silicates may be present in amounts of up to 40% by weight. in particular from 3 to 30% by weight, based on the total agent.
  • the alkali carrier system preferably used in cleaning agents according to the invention is a mixture of carbonate and bicarbonate, preferably sodium carbonate and bicarbonate, which may be present in an amount of up to 50% by weight, preferably 5 to 40% by weight.
  • inventive means for the automatic cleaning of dishes are 20 to 60 wt .-% of water-soluble organic builder, in particular alkali citrate, 3 to 20 wt .-% alkali carbonate and 3 to 40 wt .-% Alkalidisilikat included.
  • silver corrosion inhibitors can be used in dishwashing detergents according to the invention.
  • Preferred silver corrosion inhibitors are organic sulfides such as cystine and Cysteine, di- or trihydric phenols, optionally alkyl- or aryl-substituted thiazoles such as benzotriazole, isocyanuric acid, titanium, zirconium, hafnium, molybdenum, vanadium or cerium salts and / or complexes.
  • the agents foam too much during use, they may still contain up to 6% by weight, preferably about 0.5 to 4% by weight, of a foam-regulating compound, preferably from the group consisting of silicones, paraffins, paraffin-alcohol combinations , Hydrophobicized silicic acids, Bisfettklareamide and mixtures thereof and other other known commercially available foam inhibitors are added.
  • a foam-regulating compound preferably from the group consisting of silicones, paraffins, paraffin-alcohol combinations , Hydrophobicized silicic acids, Bisfettklareamide and mixtures thereof and other other known commercially available foam inhibitors are added.
  • the foam inhibitors in particular silicone and / or paraffin-containing foam inhibitors, are bound to a granular, water-soluble or dispersible carrier substance.
  • mixtures of paraffins and bistearylethylenediamide are preferred.
  • Further optional ingredients in the compositions according to the invention are, for example, perfume oils.
  • Suitable salts or setting agents are, for example, sodium sulfate, sodium carbonate or sodium silicate (water glass).
  • the compositions according to the invention may contain system and environmentally acceptable acids, in particular citric acid, acetic acid, tartaric acid, malic acid, lactic acid, glycolic acid, succinic acid, glutaric acid and / or adipic acid, but also mineral acids, in particular sulfuric acid or alkali hydrogen sulfates, or bases, in particular ammonium or alkali metal hydroxides.
  • Such pH regulators are preferably not more than 10% by weight, in particular from 0.5 to 6% by weight, in the compositions according to the invention.
  • compositions according to the invention are preferably in the form of pulverulent, granular or tablet-like preparations and other shaped articles which are known per se, for example by mixing, granulating, roll compacting and / or by spray-drying the thermally loadable Components and admixing of the more sensitive components, which in particular enzymes, bleach and the bleach catalyst can be expected, can be produced.
  • compositions according to the invention in the form of non-dusting, storage-stable free-flowing powders and / or granules with high bulk densities in the range from 800 to 1000 g / l can also be effected by using in a first process stage the builder components with at least a proportion of liquid mixture components mixed with increasing the bulk density of this premix and subsequently - if desired, after an intermediate drying - the other constituents of the agent, including the cationic nitrile activator, combined with the thus obtained premix.
  • compositions according to the invention in tablet form, the procedure is preferably such that all constituents are mixed together in a mixer and the mixture is compressed by means of conventional tablet presses, for example eccentric presses or rotary presses.
  • conventional tablet presses for example eccentric presses or rotary presses.
  • a tablet produced in this way has a weight of 1.5 g
  • 40 g in particular from 20 g to 30 g; at a diameter of 3-5 mm to 40 mm.
  • a further preferred embodiment comprises lumpy preparations which can be used for improving odor and cleaning in toilet bowls (so-called toilet stones) containing, in addition to the alkaline earth metal salts of secondary paraffin sulfonic acids according to the invention, a further 15 to 30% by weight of anionic and / or nonionic surfactants, preferably fatty alkyl sulfates, Alkylbenzenesulfonates, alkylpolyglucosides, fatty alkyl ether sulfates, fatty alkyl ethoxylates, 10 to 40 wt .-% organic solvent, 5 to 15 wt .-% of one or more acids or salts thereof, for.
  • anionic and / or nonionic surfactants preferably fatty alkyl sulfates, Alkylbenzenesulfonates, alkylpolyglucosides, fatty alkyl ether sulfates, fatty alkyl ethoxylates, 10 to 40
  • formic acid acetic acid, sulfamic acid, sodium hydrogen sulfate, coconut fatty acids, 0 to 5 wt .-% complexing agent, eg. As sodium citrate or sodium phosphonate, 0 to 60 wt .-% builders, for. As sodium sulfate and 0 to 5 wt .-% dye, fragrance and disinfectant and water.
  • a further preferred embodiment involves pulverulent formulations which can be used to purify toilets (so-called WC powder containing, in addition to the alkaline earth metal salts of secondary paraffin sulfonic acids according to the invention, a further 15 to 30% by weight of anionic and / or nonionic surfactants Fatty alkyl sulfates, fatty alkyl ethoxylates, alkylbenzenesulfonates, alkylpolyglucosides, fatty alkyl ether sulfates, 10 to 50% by weight of acid, preferably formic acid, acetic acid, citric acid, sulfamic acid, potassium or sodium hydrogen sulfate, 0 to 5% by weight of complexing agent, 0 to 10% by weight of auxiliary and fillers, preferably sodium carbonate, 0 to 5 wt .-% colorants, fragrances and disinfectants and water.
  • anionic and / or nonionic surfactants Fatty alkyl sulfates
  • detergent tablets in block or tablet form which are used for cleaning and
  • Rinse solid surfaces such as tableware, floors, windows but also textiles can be used, containing in addition to the alkaline earth metal salts according to the invention secondary paraffin sulfonic another 0 to 25 wt .-% of anionic and / or nonionic surfactants, preferably fatty alkyl sulfates, alkylbenzenesulfonates, alkylpolyglucosides, Fettalkylethersulfate, betaines,
  • the detergents and cleaners may contain any of the conventional additives in amounts commonly found in such compositions.
  • the following examples are intended to illustrate the subject matter of the invention without limiting it thereto.
  • the surfactant combinations in this invention were prepared by simply mixing the ingredients in a suitable vessel.
  • the mixtures of these inventions were examined on standardized soiling on their cleaning effect.

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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 des mélanges comportant deux ou trois tensioactifs du groupe comprenant les sulfonates d'alcane secondaires, les α-sulfonates d'ester méthylique et les φ-sulfonates d'ester méthylique. Ces mélanges ont des effets de nettoyage synergiques comparativement aux tensioactifs individuels.
EP08759219A 2007-06-20 2008-06-13 Mélanges de tensioactifs présentant des propriétés synergiques Withdrawn EP2162523A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007028310A DE102007028310A1 (de) 2007-06-20 2007-06-20 Tensidmischungen mit synergistischen Eigenschaften
PCT/EP2008/004744 WO2008155068A2 (fr) 2007-06-20 2008-06-13 Mélanges de tensioactifs présentant des propriétés synergiques

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EP2162523A2 true EP2162523A2 (fr) 2010-03-17

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US (1) US20100267600A1 (fr)
EP (1) EP2162523A2 (fr)
JP (1) JP2010530450A (fr)
DE (1) DE102007028310A1 (fr)
WO (1) WO2008155068A2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102010055742A1 (de) 2010-12-22 2012-06-28 Clariant International Ltd. Zusammensetzungen enthaltend sekundäres Paraffinsulfonat und Alkoholalkoxylat
DE102010055741A1 (de) * 2010-12-22 2012-06-28 Clariant International Ltd. Zusammensetzungen enthaltend sekundäres Paraffinsulfonat und Tetrahydroxypropylethylendiamin
DE102010055743A1 (de) * 2010-12-22 2012-06-28 Clariant International Ltd. Zusammensetzungen enthaltend sekundäres Paraffinsulfonat und Alkoholalkoxylat

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Also Published As

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US20100267600A1 (en) 2010-10-21
JP2010530450A (ja) 2010-09-09
WO2008155068A2 (fr) 2008-12-24
WO2008155068A3 (fr) 2009-02-26
DE102007028310A1 (de) 2008-12-24

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