EP3420063B1 - Produit détergent ou de nettoyage à action antimicrobienne améliorée - Google Patents

Produit détergent ou de nettoyage à action antimicrobienne améliorée Download PDF

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EP3420063B1
EP3420063B1 EP17705906.0A EP17705906A EP3420063B1 EP 3420063 B1 EP3420063 B1 EP 3420063B1 EP 17705906 A EP17705906 A EP 17705906A EP 3420063 B1 EP3420063 B1 EP 3420063B1
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Prior art keywords
cleaning agent
washing
weight
acid
agents
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German (de)
English (en)
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EP3420063A1 (fr
Inventor
Birgit Veith
Mirko Weide
Christian Kastner
Ulrich BÄUMER
Roland Breves
Stefan Karsten
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/62—Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Definitions

  • the present invention relates to a washing or cleaning agent with an antimicrobial effect which comprises at least glutamic acid-N, N-diacetic acid or its salts in connection with at least one biocidal quaternary ammonium compound.
  • Microorganisms can represent a substantial hygienic and health problem in the household.
  • the adhesion of microorganisms to surfaces is undesirable, especially in the case of pathogenic microorganisms.
  • Adhering microorganisms often lead to infections or reinfections in humans, animals and also plants.
  • Antimicrobially active compounds and compositions and their use in detergents are known in the prior art. For example, reveals WO 2013/064340 A1 a cleaning agent for hard surfaces with a pH in the range from 9 to 12, which comprises benzalkonium chloride, a salt of di- or tricarboxylic acids, sodium tripolyphosphate and water.
  • quaternary ammonium compounds are described as microbially active compounds in liquid detergents or cleaning agents.
  • a concentration-dependent effectiveness gap has been shown, in particular in the case of gram-negative bacteria. These occur in particular in damp areas, such as those prevalent in the bathroom or on damp laundry.
  • US 2010227930 A1 discloses compositions with citrate and iminodisuccinate complexing agents.
  • One object of the present invention is therefore to provide an antimicrobially active washing or cleaning agent with at least one quaternary ammonium compound in which the antimicrobial effectiveness is improved compared to known formulations.
  • glutamic acid-N, N-diacetic acid or its salts can achieve an improved antimicrobial effect of the quaternary ammonium compounds, although the glutamic acid-N, N-diacetic acid or its salts themselves are not antimicrobial.
  • a synergistic effect has been shown here between the quaternary ammonium compounds and glutamic acid-N, N-diacetic acid or its salts.
  • a washing or cleaning agent Using a washing or cleaning agent according to the invention, a hygiene effect can thus be achieved even at low washing temperatures and with liquid detergents, which is comparable to the hygienic performance of bleach-containing powder detergents at higher temperatures of 60 ° C. or more.
  • a predominant effectiveness gap against Pseudomonadae or other microorganisms can also be closed in this way.
  • the washing or cleaning agent according to the invention has at least one tetracarboxylic acid, which according to the invention is glutamic acid-N, N-diacetic acid, or its salts (tetracarbonates).
  • Tetracarboxylic acids have one of the following general structures (Ia), (Ib) or (Ic):
  • the corresponding tetracarbonates accordingly preferably have the following general structures (IIa), (IIb) or (IIc):
  • tetracarboxylic acid is described below, it is also to be understood accordingly to include the tetracarbonates, and vice versa.
  • m, n, o and p each independently of one another represent whole natural numbers in the range from 0 to 10, in particular from 0 to 8, preferably from 1 to 6, particularly from 1 to 5, and particularly preferably for 0, 1, 2, 3 or 4, and in particular for 0, 1 or 2.
  • the salt is preferably the ammonium and / or alkali metal salt, and Z + is preferably NH 4 + , Na + or K + .
  • A is preferably selected from a substituted or unsubstituted alkyl or aryl radical having 2 to 14 carbon atoms, or an element of group 14, 15 or 16 of the Periodic Table (PSE). These are of course restricted according to the valence of the atoms. It is obvious to the person skilled in the art that in formula (Ia) or (IIa) A does not represent an element of the 15th or 16th group of the (PSE), as does elements of the 16th in formula (Ib) or (IIb) Group are excluded. If A has an open valence, a hydrogen atom is bound to it.
  • Alkyl refers to a saturated aliphatic hydrocarbon including straight and branched chain groups.
  • the alkyl group has 2 to 10 carbon atoms (when a numerical range, e.g. "2 to 10" is given herein, it is meant that this group, in this case the alkyl group, can have 2 carbon atoms, 3 carbon atoms etc. up to and including 10 carbon atoms) .
  • the alkyl can be a middle alkyl which has 2 to 6 carbon atoms or a lower alkyl which has 2 to 4 carbon atoms, e.g. ethyl, n-propyl, isopropyl, butyl, iso-butyl, tert-butyl, etc. , Act.
  • Aryl refers to monocyclic or polycyclic (i.e., rings that have adjacent pairs of carbon atoms in common) groups, especially of 6 to 14 ring carbon atoms, which have a complete conjugated pi-electron system.
  • aryl groups are phenyl, naphthalenyl and anthracenyl.
  • alkyl radical and / or the aryl radical can be substituted.
  • “Substituted”, as used herein in connection with the substituents and radicals according to the invention, means that one or more H atoms and / or one or more C atoms in the corresponding group have been replaced by other functional groups, these being selected in particular from those containing one or more heteroatoms.
  • A preferably stands for an element of group 15 of the PSE. It is particularly preferably nitrogen (N) or phosphorus (P). A particularly preferably stands for N.
  • m, n, o and p each independently represent 0, 1, 2, 3 or 4, in particular 0, 1 or 2.
  • the washing or cleaning agent preferably comprises at least 0.05% by weight or more, based on the total weight of the washing or cleaning agent, of the at least one tetracarboxylic acid or its salts. It has been shown that this proportion is necessary to enable the QAV to have a reinforcing effect.
  • the detergent or cleaning agent preferably contains the tetracarboxylic acids in a proportion of 0.05% by weight to 5% by weight, in particular 0.05% by weight to 3% by weight, preferably 0.1% by weight. -% to 1% by weight. Amounts in excess of this do not lead to a further strengthening of the antimicrobial effect of the QAV, so that "more" does not lead to a significant increase in performance.
  • the glutamic acid-N, N-diacetic acid enables access to the cell membrane of the microbes due to its properties as a chelating agent, so that the QAV have an improved attack effect.
  • the tetracarboxylic acids are functional both at acidic and at neutral and basic pH values.
  • the washing or cleaning agent according to the invention can thus have a pH of 7,> 7 or ⁇ 7.
  • the liquid washing or cleaning agent contains a biocidal quaternary ammonium compound as an essential component.
  • the quaternary ammonium compounds (QAC) suitable as biocidal active ingredients have the general formula (R 1 ) (R 2 ) (R 3 ) (R 4 ) N + X ", in which R 1 to R 4 are identical or different C 1 -C 22 alkyl radicals, C 7 -C 28 aralkyl radicals or heterocyclic radicals, where two or, in the case of an aromatic bond as in pyridine, even three radicals together with the nitrogen atom form the heterocycle, for example a pyridinium or imidazolinium compound, and X " Are halide ions, sulfate ions, hydroxide ions or the like anions.
  • biocidal quaternary ammonium compound is selected from the group comprising alkyltrimethylammonium halides, dialkyldimethylammonium halides, benzalkonium salts, pyridinium salts and mixtures thereof. It is particularly preferred that the biocidal quaternary ammonium compound is a dialkyldimethylammonium halide selected from the group comprising di-n-decyldimethylammonium chloride, didecyldimethylammonium bromide, dioctyldimethylammonium chloride and mixtures thereof. These biocidal quaternary ammonium compounds work effectively against viruses, bacteria, molds or yeasts that stick to textiles.
  • QAV can be produced by reacting tertiary amines with alkylating agents such as methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
  • alkylating agents such as methyl chloride, benzyl chloride, dimethyl sulfate, dodecyl bromide, but also ethylene oxide.
  • alkylation of tertiary amines with one long alkyl radical and two methyl groups is particularly easy; the quaternization of tertiary amines with two long radicals and one methyl group can also be carried out with the aid of methyl chloride under mild conditions.
  • Amines which have three long alkyl radicals or hydroxy-substituted alkyl radicals are not very reactive and are preferably quaternized with dimethyl sulfate.
  • Suitable QAV are, for example, benzalkonium chloride (N-alkyl-N, N-dimethyl-benzylammonium chloride, CAS No. 8001-54-5 ), Benzalkon B (m, p-dichlorobenzyl-dimethyl-C12-alkylammonium chloride, CAS No. 58390-78-6 ), Benzoxonium chloride (benzyl-dodecyl-bis- (2-hydroxyethyl) -ammonium-chloride), cetrimonium bromide (N-hexadecyl-N, N, N-trimethylammonium bromide, CAS No.
  • Benzethonium chloride N, N-dimethyl-N- [2- [2- [p- (1, 1, 3,3-tetramethylbutyl) -phenoxy] ethoxy] ethyl] -benzylammonium chloride, CAS No. 121-54-0 ), Dialkyldimethylammonium chlorides such as didecyldimethylammonium chloride ( CAS No. 7173-51-5 ), Didecyldimethylammonium bromide ( CAS No. 2390-68-3 ), Dioctyldimethylammonium chloride, 1-cetylpyridinium chloride ( CAS No. 123-03-5 ) and thiazolium iodides and mixtures thereof.
  • Particularly preferred QAC are dialkyldimethylammonium chlorides, in particular didecyldimethylammonium chloride, N-octadecyl-N, N, N-trimethylammonium chloride, N-hexadecyl-N, N, N-trimethylammonium chloride and the benzalkonium chlorides with C8-C18-alkyl radicals, in particular C 12 -C 14 -alkylbenzyl -dimethylammonium chloride.
  • Another preferred biocidal compound is methyl N- (2-hydroxyethyl) -N, N-di (caproyloxyethyl) ammonium methosulfate.
  • the cationic compounds are particularly well suited to cotton-containing fabrics and mixed fabrics.
  • dialkyldimethylammonium halides the benzalkonium halides and / or substituted benzalkonium halides are, for example, commercially available as Bardac® or Barquat® ex Lonza, Marquat® ex Mason, Variquat® ex Evonik Industries and Hyamine® ex Lonza.
  • the biocidal quaternary ammonium compound is preferably used in an amount from 0.1% by weight to 20% by weight, preferably from 0.5% by weight to 10% by weight and particularly preferably from 1% by weight to 5% by weight % By weight, based in each case on the total amount of detergent or cleaning agent, is used. From a toxicological and ecological point of view, it is particularly preferred that the amount of biocidal quaternary ammonium compound is less than 3% by weight.
  • the washing or cleaning agent according to the invention contains at least one surfactant as a further essential component.
  • the at least one surfactant can be a nonionic, cationic, anionic and / or zwitterionic surfactant.
  • soaps are not included in the surfactants, but can also be part of the washing or cleaning agent according to the invention.
  • the washing or cleaning agent according to the invention can have a surfactant or mixtures of 2, 3 or more surfactants. If the washing or cleaning agent comprises more than one surfactant, it can be, for example, 2, 3 or more different amphoteric (zwitterionic) surfactants. However, it is also possible to use 1, 2, 3 or more nonionic surfactants, for example combined with 1, 2, 3 or more cationic surfactants. Suitable surfactants are adequately described in the prior art.
  • the washing or cleaning agent preferably comprises nonionic and / or cationic and / or zwitterionic surfactants.
  • Preferred washing or cleaning agents according to the invention are further characterized in that they contain less than 1.0% by weight and in particular no anionic surfactant.
  • nonionic surfactants known to the person skilled in the art can be used as nonionic surfactants.
  • Low-foaming nonionic surfactants are preferably used, in particular alkoxylated, especially ethoxylated, low-foaming nonionic surfactants.
  • Suitable nonionic surfactants are, for example, alkyl glycosides of the general formula RO (G) x , in which R corresponds to a primary straight-chain or methyl-branched, in particular methyl-branched aliphatic radical with 8 to 22, preferably 12 to 18 carbon atoms, and G the symbol is, which stands for a glycose unit with 5 or 6 carbon atoms, preferably for glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is any number between 1 and 10; preferably x is 1.2 to 1.4.
  • nonionic surfactants which are used either as the sole nonionic surfactant or in combination with other nonionic surfactants, are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably with 1 to 4 carbon atoms in the alkyl chain.
  • the washing or cleaning agent according to the present invention particularly preferably comprises one or more amine oxides as a nonionic surfactant.
  • Amine oxides which can be used with preference are, for example, N-cocoalkyl-N, N-dimethylamine oxide, N-tallowalkyl-N, N-dihydroxyethylamine oxide, myristylcetyldimethylamine oxide or lauryldimethylamine oxide.
  • the amount of amine oxide is preferably up to 5% by weight, more preferably between 0.5 and 3% by weight and particularly preferably between 1 and 2% by weight, based in each case on the total amount of liquid detergent or cleaning agent.
  • One advantage of using an amine oxide is that, in the case of liquid formulations of detergents or cleaning agents, the matrix thereof is stabilized in such a way that the presence, for example, of alkoxylated fatty alcohols or also optical brighteners is stabilized.
  • the washing or cleaning agent according to the invention further comprises one or more ethoxylated fatty alcohols.
  • the alkoxylated fatty alcohols used are, in particular, primary alcohols having preferably 8 to 18 carbon atoms and an average of 1 to 12 moles of ethylene oxide (EO) per mole of alcohol.
  • EO ethylene oxide
  • alcohol ethoxylates with linear residues of alcohols of native origin with 12 to 18 carbon atoms, for example from coconut, palm, tallow or oleyl alcohol, and an average of 2 to 8 EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include, for example, C 12-14 alcohols with 3 EO, 4 EO or 7 EO, C 12-18 alcohols with 3 EO, 5 EO or 7 EO and mixtures of these.
  • the stated degrees of ethoxylation represent statistical mean values which, for a specific product, can be an integer or a fractional number.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
  • fatty alcohols with more than 12 EO can also be used. Examples are tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Alkoxylated fatty alcohols which contain EO and PO groups together in the molecule can also be used according to the invention. Also suitable are a mixture of a (more) branched ethoxylated fatty alcohol and an unbranched ethoxylated fatty alcohol, such as, for example, a mixture of an e 16-18 fatty alcohol with 7 EO and 2-propylheptanol with 7 EO.
  • the washing or cleaning agent particularly preferably contains a C 12-18 fatty alcohol with 7 EO as the alkoxylated fatty alcohol.
  • the liquid washing or cleaning agent is free from alkoxylated fatty alcohols, since these lead to a slight clouding of the liquid washing or cleaning agent and thus to a less aesthetically pleasing product for some users.
  • the washing or cleaning agent contains up to 2% by weight, based on the total amount of washing or cleaning agent, of an optical brightener.
  • Suitable optical brighteners include, for example, compounds from the classes of the bisstyrylbenzenes, silibenes, benzoxazoles, coumarins, pyrenes and naphthalenes.
  • Commercially available optical brighteners are sold under the brands Tinopal®, Uvitex® (both from Ciba Specialty Chemicals), Ultraphor® (BASF SE) and Blankophor® (Bayer).
  • optical brighteners include disodium 4,4'-bis (2-morpholino-4-anilino-striazin-6-ylamino) stilbene disulfonate, disodium 2,2'-bis (phenyl-styryl) disulfonate, 4,4 '-Bis [(4-anilino-6- [bis (2-hydroxyethyl) amino] -1, 3,5-triazin-2-yl) amino] stilbene-2,2'-disulfonic acid, hexanatrium-2,2' - [vinylenbis [(3-sulphonato-4,1-phenylene) imino [6- (diethylamino) -1, 3,5-triazine-4,2-diyl] imino]] bis (benzene1, 4-disulfonate), 2,2 '- (2,5-thiophenediyl) bis [5-1, 1-dimethylethyl) -benzoxazole, 4-methyl-7- (
  • the washing or cleaning agent is a solid cleaning agent.
  • the washing or cleaning agent is liquid.
  • another preferred ingredient is boric acid or a salt of boric acid.
  • the liquid washing or cleaning agent contains a salt of boric acid, it is particularly preferred that it is the potassium salt, that is to say potassium borate.
  • boric acid or a salt of boric acid (borate) leads to an increase in the antimicrobial performance of the liquid washing or cleaning agent. In particular, the antimicrobial performance against fungi is increased, with a particular increase in performance against candida albicans being observed.
  • washing or cleaning agent according to the invention Even in the absence of conventional disinfectants, such as bleaching agents, such as halogens, halogenated compounds or bleaching agents based on active oxygen, excellent antimicrobial performance is achieved with the washing or cleaning agent according to the invention.
  • the washing or cleaning agent according to the invention it is also possible for the washing or cleaning agent according to the invention to include one of the aforementioned conventional antimicrobial agents in addition to the QAV.
  • the washing or cleaning agent according to the invention is preferably free of these.
  • the washing or cleaning agent according to the invention furthermore comprises a water-soluble salt, in particular in the case of liquid washing or cleaning agents.
  • the salt affects the viscosity of the composition.
  • the salt can either be inorganic or organic.
  • the detergent or cleaning agent in liquid form preferably comprises at least one inorganic salt, which is preferably selected from the group consisting of colorless, water-soluble halides, sulfites, carbonates, hydrogen carbonates, nitrates, nitrites, phosphates and / or alkali metal, alkaline earth metal, aluminum - and / or transition metal oxides.
  • ammonium salts can also be used. Halides and sulfates of alkali metals are particularly preferred and are particularly preferred Sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures of these salts. Sodium chloride is particularly preferred.
  • the salt can be an alkali metal, alkaline earth metal, ammonium, aluminum and / or transition metal salt.
  • the salt is preferably selected from the group comprising formates, acetates, propionates, citrates, maleates, tartrates, succinates, malonates, oxalates, lactates and mixtures of these.
  • the washing or cleaning agent can contain other ingredients that further improve the application-related and / or aesthetic properties of the washing or cleaning agent.
  • the detergent or cleaning agent preferably additionally contains one or more substances from the group of nonionic surfactants, builders, bleaches, bleach catalysts, bleach activators, enzymes, electrolytes, non-aqueous solvents, pH adjusters, perfume compositions, perfume carriers, fluorescent agents, dyes , Hydrotropes, foam inhibitors, silicone oils, soil-release polymers, graying inhibitors, anti-creep agents, anti-crease agents, color transfer inhibitors, other antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, antistatic and anti-slip agents, impregnating agents, swelling agents, anti-slip agents, anti-slip agents, anti-slip agents, swelling agents, anti-slip agents, anti-slip agents, anti-slip agents, anti-slip agents, anti-slip agents, anti-slip agents, anti-slip agents, anti-slip
  • builders such as silicates, aluminum silicates (especially zeolites), salts of organic di- and polycarboxylic acids and mixtures of these substances, preferably water-soluble builders, in the washing or cleaning agent according to the invention can be advantageous.
  • the builders include, in particular, carbonates, citrates, phosphonates, organic builders and silicates.
  • the weight proportion of the total builders in the total weight of detergents or cleaning agents according to the invention is preferably 15 to 80% by weight and in particular 20 to 70% by weight.
  • the use of phosphates is largely or completely dispensed with.
  • the washing or cleaning agent preferably contains less than 5% by weight, particularly preferably less than 3% by weight, in particular less than 1% by weight of phosphate (s).
  • the washing or cleaning agent is particularly preferably completely free of phosphate, ie the washing or cleaning agent contains less than 0.1% by weight of phosphate (s).
  • the present invention relates to the use of tetracarboxylic acids and their salts for the synergistic enhancement of the antimicrobial effect of biocidal quaternary ammonium compounds in detergents or cleaning agents.
  • the tetracarboxylic acid is glutamic acid-N, N-diacetic acid.
  • the salt of the tetracarboxylic acid is preferably the ammonium salt or an alkali metal salt.
  • the invention further relates to the use of a washing or cleaning agent according to the invention in the washing, cleaning and / or pretreatment of flat textile structures or hard surfaces.
  • Detergents or cleaning agents for the purposes of the present invention are in particular household cleaners, detergents, cleaning agents or pretreatment agents or refreshing sprays for textiles, fabric softeners, cosmetic products or air care products such as room sprays or air fresheners.
  • Household cleaners for the purposes of the present invention are, for example, detergents for cleaning hard surfaces, window cleaners, bathroom cleaners, toilet cleaners or dishwashing detergents (hand dishwashing detergents and dishwashing detergents for machine use).
  • Cosmetic products for the purposes of the present invention are products for the cosmetic treatment of skin and hair (skin treatment agents, hair treatment agents) such as, for example, hair shampoos, hair rinses, cures, conditioners, agents for bleaching, coloring or shaping the hair, such as dyes, bleaches, tinting agents, color fixing agents , Curling agents or styling preparations such as hair setting agents, mousse or styling gels, shower gels, body creams, body lotions, face creams or deodorants.
  • skin treatment agents such as, for example, hair shampoos, hair rinses, cures, conditioners, agents for bleaching, coloring or shaping the hair, such as dyes, bleaches, tinting agents, color fixing agents , Curling agents or styling preparations such as hair setting agents, mousse or styling gels, shower gels, body creams, body lotions, face creams or deodorants.
  • the data in% by weight relate in each case to the total weight of the detergent or cleaning agent.
  • a washing or cleaning agent according to the invention is produced by means of customary and known methods and processes.
  • the present invention relates to a method for cleaning hard surfaces or textile fabrics using tetracarboxylic acids or their salts or a detergent or cleaning agent as described above, wherein the tetracarboxylic acid and its salt or the detergent or cleaning agent according to the invention with the to be cleaned Surface / to be brought into contact with the textile fabric. Bringing into contact can take place, for example, in that the washing or cleaning agent or the tetracarboxylic acid or tetracarbonate are applied to the surface to be cleaned / the textile fabric to be cleaned by means of spray application.
  • Hard surfaces in particular can also be cleaned by bringing a cleaning cloth which has a washing or cleaning agent according to the invention or tetracarboxylic acid / tetracarbonates together with biocidal quaternary ammonium compounds into contact with the hard surface. It is also possible for a corresponding cleaning cloth to be placed in a washing machine together with them, for example when machine cleaning of flat textile structures, so that an increased antimicrobial effect is made possible during the wash cycle.
  • the detergent had the following composition: Components Share in% ai Anionic surfactant 1-10 Nonionic surfactant 2-8 Builder (citric acid and phosphonates) 0-3 Caustic soda 0.1-1 Palm kernel oil fatty acid 0-1 Glycerin 0-1 Sodium chloride 0.5-3 Enzymes (protease, amylase, cellulase, lipase) 0-3 Boric acid 0.1-2 Other additives (preservatives, defoamers, optical brighteners, color, perfume) 0-1 water rest ai: active ingredient
  • the detergent was used in a test to determine the reduction of Pseudomonas aeruginosa according to EN1276. The value obtained served as a reference.
  • the number of pathogens could be reduced with the liquid detergent, which only contained QAV.
  • An antibacterial effect can be observed here due to the QAV.
  • the effect could be significantly increased through the use of GLDA, although GLDA itself has no antimicrobial effect.
  • a commercially available liquid all-purpose cleaner containing 0.5% ai QAV (DDAC) was used as a reference.
  • the pH was about 5.
  • the cleaner had the following composition: component Weight% Na citrate 15.00-20.00 Na percarbonate 10.00-15.00 QAV 0.1-3
  • Amphoteric surfactant 0.00-10.00
  • Nonionic surfactant 0.00-10.00
  • Builder 0.00-10.00
  • Cationic copolymer 0.00-0.75
  • Other additives preservatives, defoamers, optical brighteners, color, perfume, etc.
  • 0.05-10.00 water Remainder (ad 100)
  • the all-purpose cleaner was used in a test to determine the reduction in Pseudomonas aeruginosa according to EN1276. The value obtained served as a reference.

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Claims (8)

  1. Agent de lavage ou de nettoyage, comprenant
    a) au moins un tensioactif,
    b) au moins un composé d'ammonium quaternaire biocide et
    c) au moins un acide tétracarboxylique ou ses sels,
    l'acide tétracarboxylique étant un acide glutamique-N,N-acide diacétique.
  2. Agent de lavage ou de nettoyage selon la revendication 1, caractérisé en ce que le composé d'ammonium quaternaire biocide est choisi dans le groupe comprenant les halogénures d'alkyltriméthylammonium, les halogénures de dialkyldiméthylammonium, les sels de benzalkonium, les sels de pyridinium et leurs mélanges.
  3. Agent de lavage ou de nettoyage selon la revendication 2, caractérisé en ce que le composé d'ammonium quaternaire biocide est un halogénure de dialkyldiméthylammonium choisi dans le groupe comprenant le chlorure de didécyldiméthylammonium, le bromure de didécyldiméthylammonium, le chlorure de dioctyldiméthylammonium et leurs mélanges.
  4. Agent de lavage ou de nettoyage selon l'une des revendications 1 à 3, caractérisé en ce qu'il ne contient pas de tensioactifs anioniques.
  5. Utilisation de l'acide glutamique-N,N-acide diacétique et de ses sels pour renforcer l'effet antimicrobien de composés d'ammonium quaternaire biocides dans un agent de lavage ou de nettoyage selon l'une des revendications précédentes.
  6. Utilisation selon la revendication 5, caractérisée en ce que le sel de l'acide tétracarboxylique comprend le sel d'ammonium et/ou de métal alcalin.
  7. Procédé de nettoyage de surfaces dures ou de produits textiles plats à l'aide d'acide glutamique-N,N-acide diacétique et de ses sels selon l'une des revendications 5 ou 6 ou d'un agent de lavage ou de nettoyage selon l'une des revendications 1 à 4, l'acide glutamique-N,N-acide diacétique ou ses sels ainsi qu'au moins un composé d'ammonium quaternaire biocide ou l'agent de lavage ou de nettoyage étant mis en contact avec la surface à nettoyer ou le produit textile plat.
  8. Procédé selon la revendication 7, caractérisé en ce que la mise en contact s'effectue par application par pulvérisation.
EP17705906.0A 2016-02-24 2017-02-20 Produit détergent ou de nettoyage à action antimicrobienne améliorée Revoked EP3420063B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016202846.4A DE102016202846A1 (de) 2016-02-24 2016-02-24 Wasch- oder Reinigungsmittel mit verbesserter antimikrobieller Wirkung
PCT/EP2017/053808 WO2017144420A1 (fr) 2016-02-24 2017-02-20 Produit détergent ou de nettoyage à action antimicrobienne améliorée

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EP3420063A1 EP3420063A1 (fr) 2019-01-02
EP3420063B1 true EP3420063B1 (fr) 2021-09-15

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EP17705906.0A Revoked EP3420063B1 (fr) 2016-02-24 2017-02-20 Produit détergent ou de nettoyage à action antimicrobienne améliorée

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US (1) US10487291B2 (fr)
EP (1) EP3420063B1 (fr)
DE (1) DE102016202846A1 (fr)
WO (1) WO2017144420A1 (fr)

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GB201704127D0 (en) * 2017-03-15 2017-04-26 Ecolab Usa Inc Cleaning composition
CN113874482A (zh) 2019-05-22 2021-12-31 雷克特本克斯尔有限责任公司 具有增强的病菌去除功效的洗涤剂配方
WO2022253730A1 (fr) * 2021-06-03 2022-12-08 Unilever Ip Holdings B.V. Détergent pour lave-vaisselle
US12593839B2 (en) 2022-02-17 2026-04-07 Timothy Broadous, SR. Fabric care composition comprising a mixture of cationic biocide, functionalized alkylpoyglycoside, and sulfolaurate salt
DE102023212925A1 (de) 2023-12-19 2025-06-26 Henkel Ag & Co. Kgaa Hygienisches Flüssigwaschmittel

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Also Published As

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US10487291B2 (en) 2019-11-26
US20190055493A1 (en) 2019-02-21
WO2017144420A1 (fr) 2017-08-31
DE102016202846A1 (de) 2017-08-24
EP3420063A1 (fr) 2019-01-02

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