WO1997041202A1 - Acyllactames s'utilisant comme activateurs de blanchiment pour detergents et nettoyants - Google Patents

Acyllactames s'utilisant comme activateurs de blanchiment pour detergents et nettoyants Download PDF

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Publication number
WO1997041202A1
WO1997041202A1 PCT/EP1997/001932 EP9701932W WO9741202A1 WO 1997041202 A1 WO1997041202 A1 WO 1997041202A1 EP 9701932 W EP9701932 W EP 9701932W WO 9741202 A1 WO9741202 A1 WO 9741202A1
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weight
alkyl
hydrogen
aryl
alkenyl
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PCT/EP1997/001932
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German (de)
English (en)
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Andreas Wilde
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Henkel Kommanditgesellschaft Auf Aktien
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Publication of WO1997041202A1 publication Critical patent/WO1997041202A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic compounds
    • C11D3/3917—Nitrogen-containing compounds
    • C11D3/392—Heterocyclic compounds, e.g. cyclic imides or lactames

Definitions

  • the present invention relates to the use of hydrophilically substituted acyl lactams as bleach activators for activating peroxygen compounds. in particular for the bleaching of color stains when washing textiles, as well as detergents, cleaning agents and disinfectants which contain bleach activators of this type.
  • Inorganic peroxygen compounds in particular hydrogen peroxide and solid peroxygen compounds which dissolve in water with the liberation of hydrogen peroxide, such as sodium perborate and sodium carbonate perhydrate, have long been used as oxidizing agents for disinfection and bleaching purposes.
  • the oxidizing effect of these substances strongly depends on the temperature in dilute solutions; For example, with H 2 O 2 or perborate in alkaline bleaching liquors, sufficiently quick bleaching of soiled textiles can only be achieved at temperatures above about 80 ° C.
  • the oxidizing effect of the inorganic peroxygen compounds can be improved by adding so-called bleach activators, which are able to deliver peroxocarboxylic acids under the perhydrolysis conditions mentioned and for which numerous suggestions, especially from the substance classes of the N- or O-acyl compounds.
  • bleach activators for example polyacylated alkylenediamines, especially tetraacetylethylenediamine, acylated glycolurils, especially tetraacetylglycoluril, N-acylated hydantoins. Hydrazides. Triazoles, hydrotriazines, urazoles, diketopiperazines.
  • Sulfurylamides and cyanurates and also carboxylic anhydrides, especially phthalic anhydride, carboxylic esters, especially sodium nonanoyloxy-benzenesulfonate. Sodium isononanoyloxy benzenesulfonate.
  • O-acylated sugar derivatives such as pentaacetyl glucose.
  • N-acylated lactams such as N-benzoylcaprolactam have become known in the literature.
  • the invention accordingly relates to the use of compounds of the general formula I
  • R is hydrogen, an aryl, alkyl, alkenyl or cycloalkyl radical having 1 to 17 carbon atoms
  • n is a number from 1 to 6
  • X and Y are selected independently of one another for hydrogen, a hydrophilic substituent -S0 3 H, -OSO 3 H, -PO (OH) 2 , - OPO (OH) 2 , -CO 2 H and their anions as well as -N ⁇ 'R ⁇ 3 Z " , an aryl, alkyl, alkenyl - Or cycloalkyl group with 1 to 17 carbon atoms, with at least one hydrophilic substituent selected from -SO 3 H, -OSO 3 H, -PO (OH) 2 , -OPO (OH) 2 , -CO 2 H and their Anions and -N + R'R R 3 Z " can be substituted, where R, R and R independently of one another are hydrogen, an aryl, alkyl, alkeny
  • Preferred are the compounds of formula (I) with R phenyl, C, - to C- - alkyl. 9-decenyl and mixtures thereof, where the alkyl radicals can be linear or branched.
  • the compounds of the formula (I) with linear alkyl radicals R those having 1 to 10 carbon atoms in the alkyl radical R are particularly preferred.
  • n in the compounds of the formula I are 4 and 5, which means that they are preferably formal valerolactam and / or caprolactam derivatives.
  • Hydrophilic substituents of which at least 1 and optionally up to 10 are or are present in the N-acyl lactams to be used according to the invention, are selected from the sulfonate, sulfate, phosphonate, phosphate and carboxylate groups, which are also in protonated form may be present, and selected the ammonium groups. If the anionic groups mentioned are countercations, preferably alkali metal ions such as sodium, potassium and / or lithium ions present.
  • charge-balancing anions Z " preferably halides such as chloride, bromide, iodide and / or fluoride, are present.
  • the at least 1 hydrophilic substituent is preferably located directly on the lactam ring.
  • the compounds according to formula I are preferably used for bleaching color stains when washing textiles, in particular in an aqueous, surfactant-containing liquor.
  • the formulation "bleaching of color stains” is to be understood in its broadest meaning and includes both the bleaching of dirt on the textile, the bleaching of dirt in the washing liquor, detached from the textile, and the oxidative destruction of itself in the washing liquor textile dyes that detach from textiles under the washing conditions before they can be drawn onto textiles of a different color.
  • bleaching means both the bleaching of dirt located on the hard surface, in particular tea, and the bleaching of dirt present in the dishwashing liquid and detached from the hard surface.
  • the invention further relates to washing, cleaning and disinfecting agents which contain a compound of the formula 1 as a bleach activator and a process for activating peroxygen compounds using such a compound according to the formula I.
  • the compounds of the formula I can be used as activators wherever a particular increase in the oxidizing action of inorganic peroxygen compounds at low temperatures is important, for example in the bleaching of textiles and hair or hard surfaces, in the oxidation of organic or inorganic intermediates and in disinfection.
  • the use according to the invention essentially consists in creating conditions under which a peroxygen compound and a compound according to formula I can react with one another with the aim of obtaining secondary products which have a stronger oxidizing action. Such conditions exist in particular when the reaction partners meet in aqueous solution. This can be done by adding the peroxygen compound and the bleach activator separately in a separate form to an optionally detergent-containing solution.
  • the process according to the invention is particularly advantageously carried out using a washing, cleaning or disinfectant according to the invention which contains the bleach activator according to formula I and optionally a peroxidic oxidizing agent.
  • the peroxygen compound can also be added separately, in bulk or as a preferably aqueous solution or suspension, to the washing, cleaning or disinfecting solution if a peroxygen-free agent is used.
  • the conditions can be varied widely depending on the intended use. In addition to purely aqueous solutions, mixtures of water and suitable organic solvents are also suitable as the reaction medium.
  • the amounts of peroxygen compounds used are generally chosen so that the solutions contain between 10 ppm and 10% active oxygen, preferably between 50 and 5000 ppm active oxygen.
  • the amount of bleach activator according to formula I used also depends on the intended use. Depending on the desired degree of activation, so much of the bleach activator according to formula I to be used according to the invention is used that 0.03 mol to 1 mol, preferably 0.1 mol to 0.5 mol, of bleach activator are used per mol of peroxygen compound, but these limits may apply in special cases can also be exceeded or fallen below.
  • a detergent, cleaning agent or disinfectant according to the invention preferably contains 0.2% by weight to 30% by weight, in particular 1% by weight to 20% by weight, of a bending activator according to formula I, in addition to conventional ones which are compatible with the bleach activator Ingredients.
  • the activating substances to be used according to the invention can be adsorbed onto carriers in a known manner and / or be embedded in coating substances.
  • the detergents, cleaning agents and disinfectants according to the invention which can be present in particular as powdery solids, in post-compacted particle form, as homogeneous solutions or suspensions, can, in addition to the bleach activator according to formula I to be used according to the invention, in principle all known and such agents contain usual ingredients.
  • the washing and cleaning agents according to the invention can in particular builder substances, surface-active surfactants. organic and / or in particular inorganic peroxygen compounds, water-miscible organic solvents, enzymes, sequestering agents, electrolytes, pH regulators and other auxiliaries, such as optical brighteners, graying inhibitors, color transfer inhibitors, foam regulators, additional peroxygen activators, colorants and fragrances.
  • a disinfectant according to the invention can contain customary antimicrobial active ingredients in addition to the previously mentioned ingredients in order to enhance the disinfectant action against special germs.
  • Such antimicrobial additives are contained in the disinfectants according to the invention preferably in amounts of up to 10% by weight, in particular from 0.1% by weight to 5% by weight.
  • Suitable peroxygen compounds are in particular organic peracids or peracidic salts of organic acids, such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and inorganic salts which give off hydrogen peroxide under the washing or cleaning conditions, such as perborate, percarbonate and / or persilicate, into consideration.
  • organic peracids or peracidic salts of organic acids such as phthalimidopercaproic acid, perbenzoic acid or salts of diperdodecanedioic acid, hydrogen peroxide and inorganic salts which give off hydrogen peroxide under the washing or cleaning conditions, such as perborate, percarbonate and / or persilicate, into consideration.
  • solid peroxygen compounds can be in the form of powders or granules can be used, which can also be coated in a manner known in principle.
  • the peroxygen compounds can be added to the washing or cleaning liquor
  • Alkali percarbonate is particularly preferred. Alkali perborate monohydrate or hydrogen peroxide in the form of aqueous solutions containing 3% by weight to 10% by weight of hydrogen peroxide. If a washing or cleaning agent according to the invention contains peroxygen compounds, these are present in amounts of preferably up to 50% by weight, in particular from 5% by weight to 30% by weight, while in the disinfectants according to the invention preferably from 0.5% by weight. % to 40% by weight, in particular from 5% by weight to 20% by weight, of peroxygen compounds are contained.
  • the agents according to the invention can contain one or more surfactants, in particular anionic surfactants.
  • nonionic surfactants and their mixtures are possible.
  • Suitable nonionic surfactants are, in particular, alkyl glycosides and ethoxylation and / or propoxylation products of alkyl glycosides or linear or branched alcohols each having 12 to 18 carbon atoms in the alkyl part and 3 to 20, preferably 4 to 10, alkyl ether groups.
  • Fatty acid esters and fatty acid amides which correspond to the long-chain alcohol derivatives mentioned with regard to the alkyl moiety, and also from alkylphenols having 5 to 12 carbon atoms in the alkyl radical.
  • Suitable anionic surfactants are in particular soaps and those which contain sulfate or sulfonate groups with preferably alkali ions as cations.
  • Usable soaps are preferably the alkali salts of saturated or unsaturated fatty acids with 12 to 18 carbon atoms. Such fatty acids can also be used in a form that is not completely neutralized.
  • the surfactants of the sulfate type which can be used include the salts of the sulfuric acid half-esters of fatty alcohols having 12 to 18 carbon atoms and the sulfation products of the abovementioned nonionic surfactants with low ethoxy lationg ⁇ ad.
  • the surfactants of the sulfonate type that can be used include linear alkylbenzenesulfonates with 9 to 14 carbon atoms in the alkyl part, alkanesulfonates with 12 to 18 carbon atoms, and olefin sulfonates with 12 to 18 carbon atoms, which are used in the reaction of corresponding monoolefins with sulfur trioxide arise, as well as alpha-sulfo fatty acid esters, which arise in the sulfonation of fatty acid methyl or ethyl esters.
  • Such surfactants are present in the cleaning or washing agents according to the invention in proportions of preferably 5% by weight to 50% by weight, in particular 8% by weight to 30% by weight, while the disinfectants according to the invention and agents according to the invention for cleaning dishes preferably contain 0.1% by weight to 20% by weight, in particular 0.2% by weight to 5% by weight of surfactants.
  • An agent according to the invention preferably contains at least one water-soluble and / or water-insoluble, organic and / or inorganic builder.
  • the water-soluble organic builder substances include polycarboxylic acids, in particular citric acid and sugar acids, monomeric and polymeric aminopolycarboxylic acids, in particular methylglycinediacetic acid, nitrilotriacetic acid and ethylenediaminetetraacetic acid, and also polyaspartic acid, polyphosphonic acids, in particular aminotris (methylene-methylene-phosphonic acid), ethylenedophosphonic acid phthalate, Hydroxyethane-1,1-diphosphonic acid, polymeric hydroxy compounds such as dextrin and polymeric (poly) carboxylic acids, in particular the polycarboxylates of the international patent application WO 93/161 10 or of the international patent application WO 92/18542 or of the one obtainable by oxidation of polysaccharides or dextrins European patent EP 0 232
  • the relative molecular weight of the homopolymers of unsaturated carboxylic acids is generally between 5,000 and 200,000, that of the copolymers between 2,000 and 200,000, preferably 50,000 to 120,000, in each case based on free acid.
  • a particularly preferred acrylic acid-maleic acid copolymer has a relative molecular measures from 50,000 to 100,000.
  • Suitable, albeit less preferred, compounds of this class are copolymers of acrylic acid or methacrylic acid with vinyl ethers, such as vinyl methyl ether, vinyl ester, ethylene, propylene and styrene, in which the proportion of acid is at least 50% by weight.
  • Terpolymers can also be used as water-soluble organic builder substances which contain two unsaturated acids and / or their salts as monomers and vinyl alcohol and / or an esterified vinyl alcohol or a carbohydrate as the third monomer.
  • the first acidic monomer or its salt is derived from a monoethylenically unsaturated C 3 -C 8 carboxylic acid and preferably from a C 3 -C 4 monocarboxylic acid, in particular from (meth) acrylic acid.
  • the second acidic monomer or its salt can be a derivative of a Q-Cg-dicarboxylic acid, maleic acid being particularly preferred, and / or a derivative of an allylsulfonic acid which is substituted in the 2-position by an alkyl or aryl radical.
  • Polymers of this type can be produced in particular by processes which are described in German patent specification DE 42 21 381 and German patent application DE 43 00 772 and generally have a relative molecular weight of between 1,000 and 200,000. Further preferred copolymers are those which are described in German patent applications DE 43 03 320 and DE 44 17 734 and preferably have acrolein and acrylic acid / acrylic acid salts or vinyl acetate as monomers.
  • the organic builder substances can be used, in particular for the production of liquid agents, in the form of aqueous solutions, preferably in the form of 30 to 50 percent by weight aqueous solutions. All of the acids mentioned are generally used in the form of their water-soluble salts, in particular their alkali metal salts.
  • Such organic builder substances can, if desired, be present in amounts of up to 40% by weight, in particular up to 25% by weight and preferably from 1% by weight to 8% by weight. Amounts close to the upper limit mentioned are preferably used in paste-like or liquid, in particular water-containing, agents according to the invention.
  • Particularly suitable water-soluble inorganic builder materials are polyphosphates, preferably sodium tripolyphosphate.
  • crystalline or amorphous alkali alumosilicates are used as water-insoluble, water-dispersible inorganic builder materials, in amounts of up to 50% by weight, preferably not more than 40% by weight and in liquid compositions in particular from 1% by weight to 5% by weight. %, used.
  • the crystalline sodium laosilicate in detergent quality in particular zeolite A, P and optionally X, are preferred. Amounts close to the above upper limit are preferably used in solid, particulate compositions. Suitable aluminosilicates in particular have no particles with a grain size above 30 ⁇ m and preferably consist of at least 80% by weight of particles with a size below 10 ⁇ m.
  • Their calcium binding capacity which can be determined according to the information in German patent DE 24 12 837, is generally in the range from 100 to 200 mg CaO per gram.
  • Suitable substitutes or partial substitutes for the aluminosilicate mentioned are crystalline alkali silicates, which can be present alone or in a mixture with amorphous silicates.
  • the alkali metal silicates which can be used as builders in the agents according to the invention preferably have a molar ratio of alkali oxide to SiO 2 below 0.95, in particular from 1: 1.1 to 1:12, and can be amorphous or crystalline.
  • Preferred alkali silicates are the sodium silicates, in particular the amorphous sodium silicates, with a Na 2 O: SiO 2 molar ratio of 1: 2 to 1: 2.8.
  • Preferred crystalline layered silicates are those in which x assumes the values 2 or 3 in the general formula mentioned.
  • ⁇ - and ⁇ -sodium disilicates Na 2 Si 2 O 5 y H 2 O
  • ⁇ -sodium di silicate can be obtained, for example, by the method described in the international patent application WO 91/08171.
  • ⁇ -sodium silicates with a modulus between 1.9 and 3.2 can be produced according to Japanese patent applications JP 04/238 809 or JP 04/260 610.
  • Crystalline sodium silicates with a modulus in the range from 1.9 to 3.5 are used in a further preferred embodiment of agents according to the invention.
  • a granular compound of alkali silicate and alkali carbonate is used. as described for example in international patent application WO 95/22592 or as it is commercially available, for example, under the name Nabion® 15. If alkali alumosilicate, in particular zeolite, is also present as an additional builder substance.
  • the weight ratio of aluminosilicate to silicate, in each case based on anhydrous active substances is preferably 1:10 to 10: 1.
  • the weight ratio of amorphous alkali silicate to crystalline alkali silicate is preferably 1: 2 to 2: 1 and especially 1: 1 to 2: 1.
  • Builder substances are contained in the washing or cleaning agents according to the invention preferably in amounts of up to 60% by weight, in particular from 5% by weight to 40% by weight, while the disinfectants according to the invention are preferably free of only the components of the Builder substances that complex water hardness are and preferably not more than 20% by weight, in particular from 0.1% by weight to 5% by weight, of heavy metal complexing substances, preferably from the group comprising amino polycarboxylic acids, aminopolyphosphonic acids and hydroxypolyphosphonic acids and their water-soluble salts and mixtures thereof.
  • Enzymes which can be used in the agents are those from the class of proteases, lipases, cutinases, amylases, pullulanases, cellulases, hemicellulases, xylanases, oxidases and peroxidases and mixtures thereof. Enzymes obtained from fungi or bacteria such as Bacillus subtilis, Bacillus Iicheniformis, Streptomyces griseus, Humicola lanuginosa, Humicola insolens, Pseudomonas pseudoalcaligenes or Pseudo ⁇ monas cepacia are particularly suitable.
  • the optionally used enzymes can, as described for example in European patent EP 0 564 476 or in international patent applications WO 94/23005, be adsorbed onto carriers and / or be embedded in coating substances in order to protect them against premature inactivation. They are contained in the washing, cleaning and disinfecting agents according to the invention preferably in amounts of up to 5% by weight, in particular from 0.2% by weight to 2% by weight.
  • the organic solvents which can be used in the agents according to the invention include alcohols having 1 to 4 carbon atoms. especially methanol, ethanol. Isopropanol and tert-butanol, diols with 2 to 4 carbon atoms. in particular ethylene glycol and propylene glycol, as well as their mixtures and the ethers which can be derived from the compound classes mentioned.
  • Such water-miscible solvents are preferably present in the washing, cleaning and disinfecting agents according to the invention not more than 30% by weight, in particular from 6% by weight to 20% by weight.
  • the agents according to the invention can contain system and environmentally compatible 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 bases, in particular ammonium or alkali metal hydroxides.
  • Such pH regulators are used in the agents preferably do not contain more than 20% by weight, in particular from 1.2% by weight to 17% by weight.
  • Color transfer inhibitors which are suitable for use in agents according to the invention, in particular those for washing textiles, include in particular polyvinylpyrrolidones, polyvinylimidazoles, polymeric N-oxides such as poly (vinylpyridine-N-oxide) and copolymers of vinylpyrrolidone with vinylimidazole.
  • Graying inhibitors have the task of keeping the dirt detached from the hard surface and in particular from the textile fiber suspended in the liquor.
  • Water-soluble colloids of mostly organic nature are suitable for this, for example starch.
  • Water-soluble polyamides containing acidic groups are also suitable for this purpose.
  • Starch derivatives other than those mentioned above can also be used, for example aldehyde starches.
  • Cellulose ethers such as carboxymethyl cellulose (sodium salt), methyl cellulose, hydroxyalkyl cellulose and mixed ether are preferred. such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose and mixtures thereof, for example in amounts of 0.1 to 5% by weight. based on the funds used.
  • the agents can contain derivatives of diaminostilbenedisulfonic acid or their alkali metal salts. Suitable are, for example, salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazinyl-6-amino) stilbene-2,2'-disulfonic acid or compounds of similar structure which have a diethanolamino group instead of the morpholino group . carry a methylamino group, anilino group or a 2-methoxyethylamino group.
  • Brighteners of the substituted diphenylstyryl type may also be present, for example the alkali salts of 4,4'-bis (2-sulfostyryl) diphenyl, 4,4'-bis (4-chloro-3-sulfostyryl) diphenyl, or 4 - (4-chlorostyryl) -4 '- (2-sulfostyryl) diphenyl. Mixtures of the aforementioned optical brighteners can also be used. In particular when used in machine washing and cleaning processes, it can be advantageous to add conventional foam inhibitors to the agents. Suitable foam inhibitors are, for example, soaps of natural or synthetic origin, which have a high proportion of C lg- C 24 fatty acids.
  • Suitable non-surfactant-like foam inhibitors are, for example, organopolysiloxanes and their mixtures with microfine, optionally silanized silica, and also paraffins, waxes, microcrystalline waxes and their mixtures with silanized silica or bisfatty acid alkyl diamides. Mixtures of different foam inhibitors are also used with advantages, for example those made of silicone, paraffins or waxes.
  • the foam inhibitors, in particular silicone and / or paraffin-containing foam inhibitors are preferably bound to a granular, water-soluble or dispersible carrier substance. Mixtures of paraffins and bistearylethylenediamide are particularly preferred.
  • agents for preventing tarnishing of silver objects can be used in cleaning agents for dishes according to the invention.
  • Preferred silver corrosion inhibitors are organic disulfides, dihydric phenols, trihydric phenols, optionally alkyl- or aminoalkyl-substituted triazoles such as benzotriazole and cobalt, manganese, titanium, zirconium, hafnium, vanadium or cerium salts and / or complexes, in which the metals mentioned are in one of the oxidation states II, III, IV, V or VI.
  • compositions according to the invention is not difficult and can be carried out in a manner known in principle, for example by spray drying or granulation, the peroxygen compound and bleach activator optionally being added later.
  • agents according to the invention with increased bulk density in particular in the range from 650 g / 1 to 950 g / 1, a process known from European patent EP 486 592 and having an extrusion step is preferred.
  • Detergents, cleaning agents or disinfectants according to the invention in the form of aqueous or other conventional solvent-containing solutions are particularly advantageous by simply mixing the ingredients in bulk or as Solution can be placed in an automatic mixer.
  • agents for washing dishes in particular by machine, they are in tablet form and can be produced on the basis of the processes disclosed in European patent specifications EP 0 579 659 and EP 0 591 282.

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  • Chemical Kinetics & Catalysis (AREA)
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Abstract

L'utilisation de composés de la formule générale (I) est particulièrement efficace pour activer des composés peroxyde, notamment dans le cadre du blanchiment de salissures colorées lors du lavage de textiles, ainsi que du nettoyage de surfaces dures. Dans cette formule, R désigne hydrogène, un reste aryle, alkyle, alkényle ou cycloalkyle ayant entre 1 et 17 atomes de C, n vaut un nombre compris entre 1 et 6 et X et Y désignent indépendamment l'un de l'autre hydrogène, un substituant hydrophile sélectionné parmi -SO3H, -OSO3H, -PO(OH)2, -OPO(OH)2, -CO2H et leurs anions, ainsi que -N?+R1R2R3 Z-¿, un groupe aryle, alkyle, alkényle ou cycloalkyle ayant entre 1 et 17 atomes de C qui peut être substitué avec au moins un substituant hydrophile sélectionné parmi -SO¿3?H, -OSO3H, -PO(OH)2, -OPO(OH)2, -CO2H et leurs anions, ainsi que -N?+R1R2R3 Z-, R1, R2 et R3¿ désignant indépendamment les uns des autres hydrogène, un reste aryle, alkyle, alkényle ou cycloalkyle ayant entre 1 et 17 atomes de C et Z- désignant un anion égalisateur de charge, sous réserve qu'au moins un substituant hydrophile soit présent dans le composé et que X ou Y ne désigne pas -CO¿2?H ou son anion lorsque n = 3 et Y ou X désigne hydrogène.
PCT/EP1997/001932 1996-04-26 1997-04-17 Acyllactames s'utilisant comme activateurs de blanchiment pour detergents et nettoyants WO1997041202A1 (fr)

Applications Claiming Priority (2)

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EP19616770.1 1996-04-26
DE1996116770 DE19616770A1 (de) 1996-04-26 1996-04-26 Acyllactame als Bleichaktivatoren für Wasch- und Reinigungsmittel

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