EP1217064B1 - Agents tensio-actifs non-ioniques - Google Patents

Agents tensio-actifs non-ioniques Download PDF

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Publication number
EP1217064B1
EP1217064B1 EP01129798A EP01129798A EP1217064B1 EP 1217064 B1 EP1217064 B1 EP 1217064B1 EP 01129798 A EP01129798 A EP 01129798A EP 01129798 A EP01129798 A EP 01129798A EP 1217064 B1 EP1217064 B1 EP 1217064B1
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Prior art keywords
weight
acid
amounts
alcohol
nonionic surfactants
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German (de)
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EP1217064A1 (fr
Inventor
Norbert Dr. Hübner
Alfred Dr. Westfechtel
Angsgar Dr. Behler
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Cognis IP Management GmbH
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Cognis Deutschland GmbH and Co KG
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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
    • C11D1/8305—Mixtures of non-ionic with anionic compounds containing a combination of non-ionic compounds differently alcoxylised or with different alkylated chains
    • 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
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C11D1/8255—Mixtures of compounds all of which are non-ionic containing a combination of compounds differently alcoxylised or with differently alkylated chains
    • 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

Definitions

  • the invention is in the field of detergents and cleaners and relates special novel unsaturated fatty alcohol polyglycol ethers, detergent mixtures containing them and their use for the production of detergents.
  • liquid or gel detergent have a not inconsiderable Market share conquered, since they compared to powder products even at low Temperatures used and stored and dosed can be easier.
  • nonionic surfactants as these in contrast show an inverse solubility to anionic surfactants, i. at low temperatures are more soluble than at high temperatures.
  • the advantages mentioned above stand disadvantageous in that liquid products are essentially only for cleaning slightly soiled laundry. Especially stubborn stains, such as Make-up or lipstick can be mixed with common nonionic surfactants, especially at temperatures practically do not remove at 30 ° C.
  • the object of the present invention thus consisted of new nonionic surfactants to make available that at low washing temperatures, although sufficiently good are soluble, but just at the said difficult soiling an improved Show washing performance.
  • the invention relates to novel nonionic surfactants of the formula (I) R 1 O (CH 2 CH 2 O) n H (I) in which R 1 is a hydrocarbon radical having 16 to 18 carbon atoms and n is a number from 5 to 10, with the proviso that the iodine value of the substances is in the range from 20 to 50 and R 1 has the following chain length distribution: C 16 -saturated 55 to 65% by weight C 18 -saturated 2 to 10% by weight C 18 monounsaturated 25 to 30% by weight C 18 -first unsaturated 1 to 5% by weight with the proviso that the amounts are optionally supplemented with small amounts of shorter-chain and / or longer-chain homologues to 100 Ges .-%.
  • the new nonionic surfactants are fatty alcohol polyglycol ethers, which are characterized by the advantageous combination of specific chain length distribution, iodine value (ie degree of unsaturation) and degree of ethoxylation.
  • the invention relates to surfactants of the formula (I) in which R 1 has the following chain length distribution: C 16 -saturated 55 to 65% by weight C 18 -saturated 2 to 10% by weight C 18 monounsaturated 25 to 30% by weight C 18 -first unsaturated 1 to 5% by weight with the proviso that the amounts are optionally supplemented with small amounts of shorter-chain and / or longer-chain homologues to 100 wt .-%.
  • R 1 has the following chain length distribution: C 16 -saturated 60% by weight C 18 -saturated 5% by weight C 18 monounsaturated 28% by weight C 18 -first unsaturated 3% by weight with the proviso that the amounts are optionally supplemented with small amounts of shorter-chain and / or longer-chain homologues to 100 wt .-%.
  • Fatty alcohol polyglycol ethers of the formula (I) can be obtained in a manner known per se, ie by ethoxylation of the corresponding unsaturated fatty alcohols.
  • nonionic surfactants of the formula (I) in which n is 8 and which have an iodine value in the range from 30 to 40.
  • Alkyl and alkenyl oligoglycosides are known nonionic surfactants which follow formula (II) , R 2 O- [G] p (II) in which R 2 is an alkyl and / or alkenyl radical having 4 to 22 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms and p is a number from 1 to 10. They can be obtained by the relevant methods of preparative organic chemistry. Representative of the extensive literature reference is made here to the documents EP-A1 0301298 and WO 90/03977 .
  • the alkyl and / or alkenyl oligoglycosides can be derived from aldoses or ketoses having 5 or 6 carbon atoms, preferably glucose.
  • the preferred alkyl and / or alkenyl oligoglycosides are thus alkyl and / or alkenyl oligoglucosides.
  • the index number p in the general formula (II) indicates the degree of oligomerization (DP), ie the distribution of mono- and oligoglycosides, and stands for a number between 1 and 10.
  • the value p for a given alkyloligoglycoside is an analytically determined arithmetic quantity, which usually represents a fractional number. Preference is given to using alkyl and / or alkenyl oligoglycosides having an average degree of oligomerization p of from 1.1 to 3.0. From an application point of view, those alkyl and / or alkenyl oligoglycosides whose degree of oligomerization is less than 1.7 and in particular between 1.2 and 1.4 are preferred.
  • the alkyl or alkenyl radical R 2 can be derived from primary alcohols having 4 to 11, preferably 8 to 10 carbon atoms. Typical examples are butanol, caproic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and technical mixtures thereof, as obtained, for example, in the hydrogenation of technical fatty acid methyl esters or in the hydrogenation of aldehydes from Roelen's oxo synthesis.
  • the alkyl or alkenyl radical R 2 can also be derived from primary alcohols having 12 to 22, preferably 12 to 14 carbon atoms.
  • Typical examples are lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol, brassidyl alcohol, and technical mixtures thereof which can be obtained as described above.
  • Preference is given to alkyl oligoglucosides based on hydrogenated C 12/114 coconut oil having a DP of 1 to 3.
  • Alkyl ether sulfates are known anionic surfactants which are obtained industrially by sulfation and subsequent neutralization of the corresponding fatty alcohol polyglycol ethers and preferably follow the formula (III) , R 3 (OCH 2 CH 2 ) m OSO 3 X (III) in which R 3 is an alkyl radical having 6 to 22, preferably 12 to 18 carbon atoms, m is a number from 1 to 5 and X is alkali, alkaline earth, ammonium, alkylammonium, alkanolammonium or glucammonium.
  • Typical examples are the sulfation products of adducts of 2, 3 or 4 moles of ethylene oxide with lauryl alcohol, myristyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol and their technical mixtures in the form of the sodium and / or ammonium salts.
  • the weight ratio between the components (a) and (b) in the range of 90:10 to 10:90, preferably 75:25 to 25:75 and especially 60:40 to 40:60 lie.
  • Liquid or gel detergent may have a non-aqueous content in the range from 5 to 50 and preferably 15 to 35 wt .-%. In the simplest case it acts aqueous solutions of said surfactant mixtures. For liquid detergents but it may also be essentially anhydrous means. It means "im essentially anhydrous "in the context of this invention, that the agent preferably no contains free, not as water of crystallization or in comparable form bound water. In some Cases are small amount of free water tolerable, especially in amounts up to to 5% by weight.
  • the detergents can, in addition to the surfactants mentioned, further typical ingredients, such as solvents, hydrotropes, bleaches, builders, viscosity regulators, Enzymes, enzyme stabilizers, optical brighteners, soil repellants, foam inhibitors, inorganic Salts and fragrances and dyes, provided that they are in the aqueous storage sufficiently stable.
  • further typical ingredients such as solvents, hydrotropes, bleaches, builders, viscosity regulators, Enzymes, enzyme stabilizers, optical brighteners, soil repellants, foam inhibitors, inorganic Salts and fragrances and dyes, provided that they are in the aqueous storage sufficiently stable.
  • organic solvents for example, mono- and / or polyfunctional alcohols with 1 to 6 carbon atoms, preferably with 1 to 4 carbon atoms in question.
  • Preferred alcohols are ethanol, 1,2-propanediol, glycerol and mixtures thereof.
  • the means contain preferably 2 to 20 wt .-% and in particular 5 to 15 wt .-% ethanol or any mixture of ethanol and 1,2-propanediol or especially of ethanol and Glycerol.
  • the preparations either in addition to the monound / or polyfunctional alcohols having 1 to 6 carbon atoms or polyethylene glycol alone with a molecular weight between 200 and 2000, preferably up to 600 in Amounts of 2 to 17 wt .-% included.
  • a hydrotrope for example, toluenesulfonate, Xylene sulfonate, cumene sulfonate or mixtures thereof are used.
  • bleaching agents are, for example, peroxycarbonate, citrate perhydrates and salts of peracids, such as perbenzoates, peroxyphthalates or diperoxydodecanedioic acid. They are usually used in amounts of 8 to 25 wt .-%.
  • Prefers is the use of sodium perborate monohydrate in amounts of 10 to 20 wt .-% and in particular from 10 to 15% by weight.
  • Suitable builders are ethylenediaminetetraacetic acid, nitrilotriacetic acid, citric acid as well inorganic phosphonic acids, e.g. the neutral reacting sodium salts of 1-hydroxyethane-1,1-diphosphonate, in amounts of 0.5 to 5, preferably 1 to 2 wt .-% can be present.
  • viscosity regulators for example, hardened castor oil, salts of long-chain fatty acids, preferably in amounts of 0 to 5 wt .-% and in particular in amounts of 0.5 to 2 wt .-%, for example, sodium, potassium, aluminum, magnesium - And titanium stearates or the sodium and / or potassium salts of behenic acid, and other polymeric compounds are used.
  • the latter preferably include polyvinylpyrrolidone, urethanes and the salts of polymeric polycarboxylates, for example homopolymeric or copolymeric polyacrylates, polymethacrylates and especially copolymers of acrylic acid with maleic acid, preferably those of 50% to 10% maleic acid.
  • the molecular weight of the homopolymers is generally between 1,000 and 100,000, that of the copolymers between 2,000 and 200,000, preferably between 50,000 and 120,000, based on the free acid.
  • water-soluble polyacrylates which are crosslinked, for example, with about 1% of a polyallyl ether of sucrose and which have a molecular weight of more than one million are also suitable. Examples of these are the thickening polymers available under the name Carbopol® 940 and 941.
  • the crosslinked polyacrylates are preferably used in amounts of not more than 1% by weight, preferably in amounts of from 0.2 to 0.7% by weight.
  • compositions may additionally contain about 5 to 20% by weight of a partially esterified copolymer, as described in European Patent Application EP-A1 0367049 .
  • These partially esterified polymers are prepared by copolymerization of (a) at least one C 4 -C 28 olefin or mixtures of at least one C 4 -C 28 olefin with up to 20 mol% C 1 -C 28 alkyl vinyl ethers and (b) ethylenically unsaturated dicarboxylic anhydrides having 4 to 8 carbon atoms in a molar ratio of 1: 1 to copolymers having K values of 6 to 100 and subsequent partial esterification of the copolymers with reaction products such as C 1 -C 13 -alcohols, C 8 -C 22 -fatty acids, C 1 -C 12 alkylphenols, secondary C 2 -C 30 amines or mixtures thereof with at least one C 2 -C 4 alkylene oxide or tetrahydrofur
  • Preferred copolymers contain ethylenically unsaturated dicarboxylic anhydride maleic anhydride.
  • the partially esterified copolymers can be present either in the form of the free acid or preferably in partially or completely neutralized form.
  • the copolymers are used in the form of an aqueous solution, in particular in the form of a 40 to 50 wt .-% solution.
  • the copolymers not only make a contribution to the primary and secondary washing performance of the liquid detergent and cleaning agent, but also cause a desired viscosity reduction of the concentrated liquid detergent.
  • concentrated aqueous liquid detergents are obtained, which are flowable under the sole influence of gravity and without the action of other shear forces.
  • the concentrated aqueous liquid detergents contain partially esterified copolymers in amounts of 5 to 15 wt .-% and in particular in amounts of 8 to 12 wt .-%.
  • Suitable enzymes are those from the class of proteases, lipases, amylases, cellulases or mixtures thereof. Particularly suitable are bacterial strains or fungi, such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus derived enzymatic agents. Preferably, subtilisin-type proteases and in particular proteases derived from Bacillus lentus are used. Their proportion can be about 0.2 to about 2 wt .-%.
  • the enzymes may be adsorbed to carriers and / or embedded in encapsulants to protect against premature degradation. In addition to the mono- and polyfunctional alcohols and the phosphonates, the agents may contain other enzyme stabilizers.
  • 0.5 to 1 wt .-% sodium formate can be used. It is also possible to use proteases which are stabilized with soluble calcium salts and a calcium content of preferably about 1.2% by weight, based on the enzyme.
  • proteases which are stabilized with soluble calcium salts and a calcium content of preferably about 1.2% by weight, based on the enzyme.
  • boron compounds for example boric acid, boron oxide, borax and other alkali metal borates, such as the salts of orthoboric acid (H 3 BO 3 ), metaboric acid (HBO 2 ) and pyroboric acid (tetraboric acid H 2 B 4 O 7 ).
  • Suitable soil repellants are those substances which preferably contain ethylene terephthalate and / or polyethylene glycol terephthalate groups, wherein the molar ratio of ethylene terephthalate to polyethylene glycol terephthalate in the range from 50:50 to 90:10.
  • the molecular weight of the linking polyethylene glycol units In particular, it is in the range of 750 to 5,000, that is, the degree of ethoxylation
  • the polymers containing polyethylene glycol groups may be about 15 to 100.
  • the Polymers are characterized by an average molecular weight of about 5000 to 200,000 out and may have a block, but preferably a random structure.
  • Preferred polymers are those with molar ratios of ethylene terephthalate / polyethylene glycol terephthalate from about 65:35 to about 90:10, preferably from about 70:30 to 80: 20. Further preferred are such polymers, the linking polyethylene glycol units having a molecular weight of from 750 to 5,000, preferably from 1,000 to about 3,000 and have a molecular weight of the polymer of about 10,000 to about 50,000. Examples for commercial polymers, the products are Milease® T (ICI) or Repelotex® SRP 3 (Rhone-Poulenc).
  • foam inhibitors When used in automatic washing processes, it may be advantageous to add conventional foam inhibitors to the compositions.
  • soaps of natural or synthetic origin which have a high proportion of C 18 -C 24 fatty acids.
  • Suitable non-surfactant foam inhibitors are, for example, organopolysiloxanes and mixtures thereof with microfine, optionally silanized silica and paraffins, waxes, microcrystalline waxes and mixtures thereof with silanated silica or bistearylethylenediamide. It is also advantageous to use mixtures of different foam inhibitors, for example those of silicones, paraffins or waxes.
  • the foam inhibitors, in particular silicone- or paraffin-containing foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance. In particular, mixtures of paraffins and bistearylethylenediamides are preferred.
  • the pH of the preferred and especially preferred concentrated agents is generally 7 to 10.5, preferably 7 to 9.5 and in particular 7 to 8.5.
  • the Setting higher pH values, for example above 9, can be reduced by the use Quantities of caustic soda or of alkaline salts such as sodium carbonate or sodium silicate respectively.
  • the liquid detergents according to the invention generally have viscosities between 150 and 10,000 mPas (Brookfield viscometer, spindle 1, 20 revolutions per Minute, 20 ° C). In the case of the substantially anhydrous agents, viscosities are between 150 and 5000 mPas preferred.
  • the viscosity of the aqueous agents is preferably below 2000 mPas and lies in particular between 150 and 1000 mPas.
  • Nonionic surfactants of the invention for the preparation of powder detergents used, then in addition to the surfactants mentioned more typical Ingredients, such as builders, bleaches, bleach activators, detergency boosters, Enzymes, enzyme stabilizers, grayness inhibitors, optical brighteners, soil repellants, Foam inhibitors, inorganic salts and fragrances and dyes included.
  • typical Ingredients such as builders, bleaches, bleach activators, detergency boosters, Enzymes, enzyme stabilizers, grayness inhibitors, optical brighteners, soil repellants, Foam inhibitors, inorganic salts and fragrances and dyes included.
  • zeolite NaA As a solid builder in particular fine-crystalline, synthetic and bound water-containing zeolite such as zeolite NaA is used in detergent quality. Also suitable, however, are zeolite NaX and mixtures of NaA and NaX.
  • the zeolite can be used as a spray-dried powder or else as undried, still moist, stabilized suspension of its preparation. In the event that the zeolite is used as a suspension, it may contain minor additions of nonionic surfactants as stabilizers, for example 1 to 3 wt .-%, based on zeolite, of ethoxylated C 12 -C 18 fatty alcohols having 2 to 5 ethylene oxide groups or ethoxylated isotridecanols.
  • Suitable zeolites have an average particle size of less than 10 microns (volume distribution, measuring method: Coulter Counter) and preferably contain 18 to 22, in particular 20 to 22 wt .-% of bound water.
  • Suitable substitutes or partial substitutes for zeolites are crystalline, layered sodium silicates of the general formula NaMSi x O 2x + 1 .yH 2 O, where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 is and preferred values for x are 2, 3 or 4.
  • Such crystalline layered silicates are described, for example, in European Patent Application EP-A1 0164514 .
  • Preferred crystalline layered silicates are those in which M in the general formula stands for sodium and x assumes the values 2 or 3.
  • M in the general formula stands for sodium and x assumes the values 2 or 3.
  • both ⁇ - and ⁇ -sodium Na 2 Si 2 O 5 ⁇ y H 2 O are preferred, with ⁇ -sodium disilicate being obtainable, for example, by the process described in the international patent application WO 91/08171.
  • the powder detergents according to the invention preferably contain from 10 to 60% by weight of zeolite and / or crystalline layered silicates as solid builders, with mixtures of zeolite and crystalline layered silicates in any ratio being particularly advantageous.
  • the compositions contain from 20 to 50% by weight of zeolite and / or crystalline layered silicates.
  • Particularly preferred agents contain up to 40% by weight of zeolite and in particular to 35% by weight of zeolite, in each case based on anhydrous active substance.
  • Other suitable ingredients of the compositions are water-soluble amorphous silicates; Preferably, they are used in combination with zeolite and / or crystalline layer silicates.
  • the content of the amorphous sodium silicate compositions is preferably up to 15% by weight and preferably between 2 and 8% by weight.
  • Phosphates such as tripolyphosphates, pyrophosphates and orthophosphates may also be present in small amounts in the compositions.
  • the content of the phosphates in the compositions is preferably up to 15% by weight, but in particular 0 to 10% by weight.
  • the compositions may additionally contain phyllosilicates of natural and synthetic origin.
  • layered silicates are known, for example, from the patent applications DE-C1 2334899, EP-A1 0026529 and DE-A1 3526405 . Its usability is not limited to any particular composition or structural formula. However, smectites, in particular bentonites, are preferred here.
  • small amounts of iron may be incorporated in the crystal lattice of the layered silicates according to the above formulas.
  • the layered silicates may contain hydrogen, alkali metal, alkaline earth metal ions, in particular Na.sup. + And Ca.sup.2 + .
  • the amount of water of hydration is usually in the range of 8 to 20 wt .-% and is dependent on the swelling state or on the type of processing.
  • Useful layered silicates are known, for example, from US Pat. No. 3,966,629, US Pat. No. 4,062,647, EP-A 0026529 and EP-A 0028432 .
  • phyllosilicates are used, which are largely free of calcium ions and strong coloring iron ions due to an alkali treatment.
  • Useful organic builders are, for example, the polycarboxylic acids preferably used in the form of their sodium salts, such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids, aminocarboxylic acids, nitrilotriacetic acid (NTA), if such use is not objectionable for ecological reasons, 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.
  • Suitable polymeric polycarboxylates are, for example, the sodium salts of polyacrylic acid or polymethacrylic acid, for example those having a relative molecular weight of 800 to 150,000 (based on acid).
  • Suitable copolymeric polycarboxylates are, in particular, those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid. Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
  • Their molecular weight relative to free acids is generally from 5000 to 200,000, preferably from 10,000 to 120,000 and in particular from 50,000 to 100,000. The use of polymeric polycarboxylates is not absolutely necessary.
  • biodegradable polymers for example terpolymers containing as monomers acrylic acid and maleic acid or salts thereof and vinyl alcohol or vinyl alcohol derivatives or as monomers acrylic acid and 2-alkylallylsulfonic acid or salts thereof and sugar derivatives.
  • terpolymers are preferred which are obtained according to the teaching of German patent applications DE-A1 4221381 and DE-A1 4300772 .
  • Further suitable builder substances are polyacetals which can be obtained by reacting dialdehydes with polyol carboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups, for example as described in European Patent Application EP-A1 0280223 .
  • Preferred polyacetals are obtained from dialdehydes such as glyoxal, glutaraldehyde, terephthalaldehyde and mixtures thereof and from polyol carboxylic acids such as gluconic acid and / or glucoheptonic acid.
  • bleach activators When washing at temperatures of 60 ° C and below an improved bleaching effect to achieve bleach activators can be incorporated into the preparations.
  • Examples for this are hydrogen peroxide organic peracids forming N-acyl or O-acyl compounds, preferably N, N'-tetraacylated diamines, also carboxylic acid anhydrides and Esters of polyols such as glucose pentaacetate.
  • the content of bleach-containing agents on Bleach activators are in the usual range, preferably between 1 and 10% by weight. and in particular between 3 and 8 wt .-%.
  • Particularly preferred bleach activators are N, N, N ', N'-tetraacetylethylenediamine and 1,5-diacetyl-2,4-dioxo-hexahydro-1,3,5-triazine.
  • Vergrauungsinhibitoren have the task of the detached from the fiber dirt in the Keep liquor suspended and thus prevent graying.
  • water-soluble Colloids mostly organic nature suitable, for example, the water-soluble salts polymeric Carboxylic acids, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of Starch or cellulose or salts of acidic sulfuric acid esters of cellulose or Strength.
  • water-soluble polyamides containing acidic groups are for this purpose suitable.
  • soluble starch preparations and others than those mentioned above can be used Use starch products, e.g. degraded starch, aldehyde starches, etc. Also polyvinylpyrrolidone is usable.
  • cellulose ethers such as carboxymethylcellulose, Methylcellulose, hydroxyalkylcellulose and mixed ethers, such as methylhydroxyethylcellulose, Methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof and polyvinylpyrrolidone, for example, in amounts of 0.1 to 5 wt .-%, based on the means.
  • the agents may contain as optical brighteners derivatives of Diaminostilbendisulfonklare or their alkali metal salts.
  • optical brighteners derivatives of Diaminostilbendisulfonklare or their alkali metal salts for example, salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulphonic acid or compounds of similar construction which are used in place of the Morpholino group a Diethanolaminooeuvre, a methylamino group, an anilino group or a 2-meth-oxyethylaminoxx carry.
  • brighteners of the substituted diphenylstyrene type may be present, for example the alkali metal salts of 4,4'-bis (2-sulfostyryl) -diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) -diphenyl, or (4-chlorostyryl) -4 '- (2-sulfostyryl). Mixtures of the aforementioned brightener can be used.
  • Uniformly white granules are obtained when the means except the usual brighteners in conventional amounts, for example between 0.1 and 0.5 wt .-%, preferably between 0.1 and 0.3 wt .-%, even small amounts, for example 10 -6 to 10 -3 wt .-%, preferably by 10 -5 wt .-%, of a blue dye.
  • a particularly preferred dye is Tinolux® (commercial product of Ciba-Geigy).
  • Example 1 is according to the invention, examples V1 and V2 are for comparison. A deviation of 3 remission units is considered significant.

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Claims (9)

  1. Agents tensioactifs non ioniques de formule (I), R1O(CH2CH2O)nH dans laquelle R1 représente un radical hydrocarboné comportant de 16 à 18 atomes de carbone et n représente des nombres allant de 5 à 10, étant précisé que l'indice d'iode des produits se situe dans un intervalle allant de 20 à 50,
    caractérisés en ce que
    R1 présente la répartition de longueurs de chaíne suivante : Saturée en C16 55 à 65 % en poids Saturée en C18 2 à 10 % en poids Mono-insaturée en C18 25 à 30 % en poids Bi-insaturée en C18 1 à 5 % en poids
    étant précisé que les indications quantitatives se complètent le cas échéant à 100 % en poids avec de faibles quantités d'homologues à chaíne plus courte et/ou à chaíne plus longue.
  2. Agents tensioactifs non ioniques selon la revendication 1,
    caractérisés en ce que
    R1 présente la répartition de longueurs de chaíne suivante : Saturée en C16 60 % en poids Saturée en C18 5 % en poids Mono-insaturée en C18 28 % en poids Bi-insaturée en C18 3 % en poids
    étant précisé que les indications quantitatives se complètent le cas échéant à 100 % en poids avec de faibles quantités d'homologues à chaíne plus courte et/ou à chaíne plus longue.
  3. Agents tensioactifs non ioniques selon au moins une des revendications 1 à 2,
    caractérisés en ce que
    R1 dérive de la matière première stéarine de palme.
  4. Agents tensioactifs non ioniques selon au moins une des revendications 1 à 3,
    caractérisés en ce que
    n vaut 8.
  5. Agents tensioactifs non ioniques selon au moins une des revendications 1 à 4,
    caractérisés en ce qu'
    ils présentent un indice d'iode allant de 30 à 40.
  6. Mélanges détergents contenant
    (a) des agents tensioactifs non ioniques de formule (I), R1O(CH2CH2O)nH selon la revendication 1, et
    (b) des alkyl- et/ou alcényl-oligoglycosides.
  7. Mélanges détergents contenant
    (a) des agents tensioactifs non ioniques de formule (I) R1O(CH2CH2O)nH selon la revendication 1, et
    (b) des éthersulfates d'alkyle.
  8. Utilisation d'agents tensioactifs non ioniques selon la revendication 1 pour la fabrication de produits de lavage.
  9. Utilisation selon la revendication 9,
    caractérisée en ce que
    les produits de lavage se présentent sous forme liquide ou sous forme de gel.
EP01129798A 2000-12-21 2001-12-14 Agents tensio-actifs non-ioniques Expired - Lifetime EP1217064B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10063762 2000-12-21
DE10063762A DE10063762A1 (de) 2000-12-21 2000-12-21 Nichtionische Tenside

Publications (2)

Publication Number Publication Date
EP1217064A1 EP1217064A1 (fr) 2002-06-26
EP1217064B1 true EP1217064B1 (fr) 2005-03-16

Family

ID=7668114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01129798A Expired - Lifetime EP1217064B1 (fr) 2000-12-21 2001-12-14 Agents tensio-actifs non-ioniques

Country Status (4)

Country Link
US (1) US6730131B2 (fr)
EP (1) EP1217064B1 (fr)
DE (2) DE10063762A1 (fr)
ES (1) ES2238379T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10063762A1 (de) * 2000-12-21 2002-06-27 Cognis Deutschland Gmbh Nichtionische Tenside
DE60316906T2 (de) * 2003-01-22 2008-07-24 Cognis Ip Management Gmbh Verwendung von Lösevermittlern für wässrige Waschmittelzusammensetzungen enthaltend Duftstoffe
US7022755B1 (en) 2005-02-04 2006-04-04 Halliburton Energy Services, Inc. Resilient cement compositions and methods of cementing
US7404855B2 (en) 2005-02-04 2008-07-29 Halliburton Energy Services, Inc. Resilient cement compositions and methods of cementing
US7467633B2 (en) * 2005-03-10 2008-12-23 Huntsman Petrochemical Corporation Enhanced solubilization using extended chain surfactants

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Also Published As

Publication number Publication date
DE50105609D1 (de) 2005-04-21
DE10063762A1 (de) 2002-06-27
US6730131B2 (en) 2004-05-04
EP1217064A1 (fr) 2002-06-26
US20020155973A1 (en) 2002-10-24
ES2238379T3 (es) 2005-09-01

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