WO2012010700A1 - Inhibition de l'adhérence bactérienne - Google Patents

Inhibition de l'adhérence bactérienne Download PDF

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Publication number
WO2012010700A1
WO2012010700A1 PCT/EP2011/062666 EP2011062666W WO2012010700A1 WO 2012010700 A1 WO2012010700 A1 WO 2012010700A1 EP 2011062666 W EP2011062666 W EP 2011062666W WO 2012010700 A1 WO2012010700 A1 WO 2012010700A1
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WIPO (PCT)
Prior art keywords
acid
use according
acrylamide
cleaning agent
cleaning
Prior art date
Application number
PCT/EP2011/062666
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German (de)
English (en)
Inventor
Birgit Veith
Mirko Weide
Francesca Corbellini
Brigitte Giesen
Stefan Stumpe
Roland Breves
Paula Barreleiro
Stefan Karsten
Dirk Bockmühl
Frank Meier
Original Assignee
Henkel Ag & Co. Kgaa
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Publication date
Application filed by Henkel Ag & Co. Kgaa filed Critical Henkel Ag & Co. Kgaa
Publication of WO2012010700A1 publication Critical patent/WO2012010700A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/042—Acids
    • 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
    • C11D3/2079—Monocarboxylic 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • 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
    • C11D3/37—Polymers
    • C11D3/3796—Amphoteric polymers or zwitterionic polymers
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/42—Application of foam or a temporary coating on the surface to be cleaned

Definitions

  • the invention relates to a method for preventing the adhesion of microorganisms on hard surfaces by their semi-permanent modification during the cleaning process with a cleaning agent.
  • biofilms in particular in the case of at least partially water-rinsed surfaces, for example in toilets and bathrooms.
  • the biofilm is the gelatinous protective layer that is collectively released by the adhering microbes and envelops them.
  • this mucus is the reason why bacteria living under real conditions, as well as other biofilm-producing microorganisms, are much more resistant to - even biocide-containing - cleaning agents than laboratory cultures, usually from individual free-floating bacteria, so-called.
  • the biofilm-induced impairments are both hygienic and aesthetic.
  • they can also have an unpleasant odor, and finally they can clog pipes and other flow systems even in strong severity.
  • Biofilms can be removed mechanically, but this is associated with a not inconsiderable expenditure of time and effort and also does not or only partially succeed in biofilms in less accessible places.
  • the control of biofilms by biocides is only possible to a limited extent because the mucus matrix, which mainly consists of polysaccharides, protects the cells against the action of the biocides (so-called pseudoresistance).
  • the biocides would therefore have to be used in much higher doses than would be the case for a
  • a first subject of the invention is therefore a method of preventing the adhesion of microorganisms to hard surfaces by their semi-permanent modification during the cleaning process with a cleaning agent containing surface-active polymers.
  • Another object is the use of a detergent containing surfactant polymers to prevent the bacterial colonization of hard surfaces.
  • surface-active polymer means that the polymer modifies a hard surface to which it is applied
  • the indication CAS means that the following sequence of numbers is a name of the Chemical Abstracts Service.
  • fatty acids or fatty alcohols or their derivatives - unless otherwise stated - representative of branched or unbranched carboxylic acids or alcohols or their derivatives having preferably 6 to 22 carbon atoms, in particular 8 to 20 carbon atoms, particularly preferably 10 bis 18 carbon atoms, most preferably 12 to 16 carbon atoms, for example 12 to 14 carbon atoms.
  • the former are particularly preferred for their vegetable base as based on renewable raw materials for environmental reasons, but without limiting the teaching of the invention to them.
  • the oxo alcohols obtainable, for example, by Roelen's oxo synthesis or derivatives thereof having preferably 7 to 19 carbon atoms, in particular 9 to 19 carbon atoms, particularly preferably 9 to 17 carbon atoms, most preferably 1 1 to 15 carbon atoms, for example 9 to 1 1, 12 to 15 or 13 to 15 carbon atoms, can be used accordingly.
  • the agent used in the method according to the invention contains one or more
  • surface-active polymers may be, in particular, amphoteric polymers, generally copolymers.
  • Preferred copolymers are based on acrylate or
  • Methacrylate in particular terpolymers are preferred.
  • the polymer has a pH of 0 to 1 1, preferably 2 to 8 and is soluble in aqueous systems
  • Suitable polymers are preferably composed of the following monomers:
  • R 4 are each H or linear or branched C 1 -C 4 -alkyl
  • R 2 and R 3 are each linear or branched CC 6 alkyl or hydroxyalkyl, n and m are integers from 1 to 3 and
  • anionic monomers preferably selected from the group consisting of C 3 -C 8 - carboxylic, sulfonic, sulfuric, phosphonic or phosphoric acids and anhydrides or salts thereof,
  • RT is H or CH 3
  • R 2 is H or CrCz-alkyl
  • R 3 and R 4 are each H or C Cs-alkyl.
  • Preferred cationic monomers a) are diallyldimethylammonium chloride (DADMAC), diallyldimethylammonium bromide, diallyldimethylammonium sulfate,
  • diallyldiethylammonium As monomer b) C 3 -C 8 carboxylic acids, sulfonic, sulfuric, phosphonic and phosphoric acids and their anhydrides and water-soluble salts are preferred, with at least monounsaturated compounds being particularly preferred.
  • C 3 -C 8 -carboxylic acids or anhydrides examples include acrylic acid (AA), methacrylic acid (MA), ethacrylic acid, dimethylacrylic acid, maleic acid, maleic anhydride,
  • Aconitic acid, phenylacrylic acid, vinylbenzoic acid and mesaconic acid Aconitic acid, phenylacrylic acid, vinylbenzoic acid and mesaconic acid.
  • Suitable sulfonic and sulfuric acid monomers include sulfoethyl methacrylate,
  • Ethylene sulfonic acid vinyl sulfuric acid, 4-vinylphenylsulfuric acid, 2-methyl-2-propene-1-sulfonic acid and 2-propene-1-sulfonic acid.
  • Suitable phosphonic or phosphoric acid containing monomers include ethylene phosphonic acid, vinyl phosphonic acid, divinyl phosphonic acid, allyl phosphonic acid, methallyl phosphonic acid, methacrylamidomethane phosphonic acid, 2-arylamido-2-methylpropane phosphonic acid, 3-phosphonopropyl acrylate and 3-phosphonopropyl methacrylate.
  • Particularly preferred monomers of type b) are acrylic acid, methacrylic acid, maleic acid and 2-acrylamido-2-methylpropanesulfonic acid (AMPS).
  • the monomers b) can be used as free acids or in the form of their salts. Suitable salts include alkali and alkaline earth metal salts and ammonium salts.
  • the (meth) acrylamides of the formula II which can be used as monomers c) include
  • N, N-dialkyl (meth) acrylamides such as N, N-dimethyl (meth) acrylamide, N, N-methylethyl (meth) acrylamide, N, N-diethyl (meth) acrylamide, N, N-methylpropyl (meth) acrylamide , N, N-ethylpropyl (meth) acrylamide, N, N-dipropyl (meth) acrylamide, N, N-methylbutyl (meth) acrylamide, N, N-ethylbutyl (meth) acrylamide, N, N-dibutyl (meth) acrylamide , N, N-Propylbutyl (meth) acrylamide, N, N-dipentyl (meth) acrylamide, N, N-methylpentyl (meth) acrylamide, N, N-ethylpentyl (meth) acrylamide, N, N-propylpentyl
  • the cleaning agent used in the process according to the invention preferably contains one or more surfactants, preferably selected from the group of nonionic and / or anionic surfactants.
  • Nonionic surfactants in the invention may be alkoxylates such as polyglycol ethers, fatty alcohol polyglycol ethers, alkylphenol polyglycol ethers, end-capped polyglycol ethers, mixed ethers and hydroxy mixed ethers and fatty acid polyglycol esters. Also useful are ethylene oxide / propylene oxide block polymers, fatty acid alkanolamides, and fatty acid polyglycol ethers.
  • Another important class of nonionic surfactants which can be used according to the invention are the polyol surfactants, in particular the glycerides, such as alkyl polyglycosides and fatty acid glucamides. Particularly preferred are the alkyl polyglycosides, in particular the
  • Alkyl polyglucosides and especially the fatty alcohol alkoxylates (fatty alcohol polyglycol ethers).
  • Preferred fatty alcohol alkoxylates are alkoxylated, unbranched or branched, saturated or unsaturated C 8 with ethylene oxide (EO) and / or propylene oxide (PO). 22 -alcohols having a degree of alkoxylation up to 30, preferably ethoxylated C 2 -22-fatty alcohols with a
  • Alkylpolyglycosides are surfactants which can be obtained by the reaction of sugars and alcohols according to the relevant processes of preparative organic chemistry, wherein, depending on the nature of the preparation, a mixture of monoalkylated, oligomeric or polymeric sugars is obtained.
  • Preferred alkyl polyglycosides are the alkyl polyglucosides, the alcohol particularly preferably being a long-chain fatty alcohol or a mixture of long-chain fatty alcohols with branched or unbranched C 8 - to C 8 -alkyl chains and the degree of oligomerization (DP) of the sugars between 1 and 10, preferably 1 to 6, in particular 1, 1 to 3, more preferably 1, 1 to 1, 7, is, for example, C 8 . 0- alkyl-1 .5-glucoside (DP of 1, 5).
  • Suitable anionic surfactants in the cleaning agent according to the invention are aliphatic sulfates such as fatty alcohol sulfates, fatty alcohol ether sulfates, dialkyl ether sulfates, monoglyceride sulfates and aliphatic sulfonates such as alkanesulfonates, olefinsulfonates, ether sulfonates, n-alkyl ether sulfonates, ester sulfonates and lignosulfonates.
  • alkylbenzenesulfonates fatty acid cyanamides, sulfosuccinates
  • sulfosuccinic acid esters in particular sulfosuccinic acid mono- and di-C 8 -C 8 -alkyl esters, sulfosuccinamates, sulfosuccinamides, fatty acid isethionates, acylaminoalkanesulfonates (Fatty acid taurides), fatty acid sarcosinates, ether carboxylic acids and alkyl (ether) phosphates, and ⁇ -sulfo fatty acid salts, acyl glutamates, monoglyceride disulfates and alkyl ethers of glyceryl disulfate.
  • Preferred in the context of the present invention are the fatty alcohol sulfates and / or
  • Fatty alcohol ether sulfates in particular the fatty alcohol sulfates.
  • Fatty alcohol sulfates are products of sulfation reactions on corresponding alcohols
  • fatty alcohol ether sulfates are products of sulfation reactions on alkoxylated alcohols.
  • the person skilled in the art generally understands, under alkoxylated alcohols, the reaction products of alkylene oxide, preferably ethylene oxide, with alcohols, in the context of the present invention preferably with longer-chain alcohols.
  • alkylene oxide preferably ethylene oxide
  • alkoxylation is the use of mixtures of the alkylene oxides, preferably the mixture of ethylene oxide and propylene oxide.
  • Preferred fatty alcohol ether sulfates are the sulfates of lower ethoxylated fatty alcohols with 1 to 4 ethylene oxide units (EO), in particular 1 to 2 EO, for example 1.3 EO.
  • Alkylbenzenesulfonates are particularly preferred those having about 12 carbon atoms in the alkyl moiety, such as linear sodium C10-13 alkyl benzene sulfonate.
  • Preferred olefin sulfonates have a
  • the anionic surfactants are preferably used as sodium salts, but may also be present as other alkali metal or alkaline earth metal salts, for example magnesium salts, and in the form of ammonium or mono-, di-, tri- or tetraalkylammonium salts, in the case of the sulfonates also in the form their corresponding acid, eg Dodecylbenzenesulfonic.
  • the cleaning agent used in the process according to the invention may have an acidic or an alkaline pH.
  • acidic cleaning agents have a pH of less than 7, preferably 1 to 5, more preferably 2 to 4
  • alkaline cleaning agents have a pH of 8 or more, preferably 9 to 13, particularly preferably 10 to 12.5.
  • Acidically formulated cleaning agents used in the process according to the invention may furthermore comprise one or more acids and / or salts thereof.
  • Suitable acids are in particular organic acids such as formic acid, acetic acid, citric acid, glycolic acid, lactic acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid and
  • Sulfuric acid, phosphoric acid and nitric acid or amidosulfonic acid or mixtures thereof are used.
  • the acids and / or their salts are particularly preferably selected from the group comprising citric acid, formic acid, acetic acid, malic acid, lactic acid, sulfamic acid, hydrochloric acid, phosphoric acid, their salts and mixtures thereof. They are preferably used in amounts of 0.01 to 10 wt .-%, particularly preferably 0.2 to 5 wt .-%.
  • the agent used in the process of the invention may further contain thickening agents.
  • Suitable such viscosity regulators are, for example, organic natural thickeners (agar-agar, carrageenan, xanthan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour, locust bean gum, starch, dextrins, gelatin, casein), organic modified natural substances (carboxymethylcellulose and others Cellulose ethers, hydroxyethyl and propyl cellulose and the like, core flour ethers), organic fully synthetic thickeners (polyacrylic and polymethacrylic compounds, vinyl polymers, polycarboxylic acids, polyethers, polyimines, polyamides) and inorganic thickeners (polysilicic acids, clay minerals such as montmorillonites, zeolites, silicas).
  • organic natural thickeners agar-agar, carrageenan, xanthan, tragacanth, gum arabic, alginates, pectins, polyoses, guar flour,
  • Thickeners based on carbohydrates are preferably used here.
  • Polysaccharides, especially heteropolysaccharides, are used as such in particular.
  • Suitable polysaccharides or heteropolysaccharides are the polysaccharide gums, for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar gum, tragacanth, gellan, Ramzan, dextran or xanthan and their derivatives, e.g. propoxylated guar, as well as their mixtures.
  • Other polysaccharide gums for example gum arabic, agar, alginates, carrageenans and their salts, guar, guar gum, tragacanth, gellan, Ramzan, dextran or xanthan and their derivatives, e.g. propoxylated guar, as well as their mixtures.
  • Polysaccharide thickeners such as starches or cellulose derivatives may alternatively, but preferably in addition to a polysaccharide gum be used, for example starches
  • starch derivatives e.g. Hydroxyethyl starch, starch phosphate esters or starch acetates, or carboxymethyl cellulose or its sodium salt, methyl, ethyl,
  • the content of thickener is usually not more than 8 wt .-%.
  • one or more water-soluble or water-miscible organic solvents can be used.
  • Suitable solvents are for example, saturated or unsaturated, preferably saturated, branched or unbranched C ⁇ o-hydrocarbons, preferably C 2 -i 5 hydrocarbons, with at least one hydroxy group and optionally one or more ether functions CO- C, ie the carbon atom chain interrupting oxygen atoms.
  • Preferred solvents are - optionally unilaterally with a C ⁇ alkanol etherified - C 2 - 6 alkylene glycols and poly C 2 - 3 -alkylene glycol having an average of 1 to 9 identical or different, preferably the same, alkylene glycol groups per molecule as well as the C ⁇ Alcohols, preferably ethanol, n-propanol or iso-propanol, especially ethanol.
  • aromatic group-containing solvents can be suitably used in the composition according to the invention, such as ethylene glycol monophenyl ether (monophenyl glycol, phenoxyethanol).
  • Exemplary solvents are the following INCI compounds: alcohol (ethanol), buteth-3, butoxy diglycol, butoxyethanol, butoxyisopropanol, butoxypropanol, n-butyl alcohol, t-butyl alcohol, butylene glycol, butyloctanol, diethylene glycol, dimethoxy diglycol, dimethyl ether, Dipropylene glycol, ethoxydiglycol, ethoxyethanol, ethyl hexanediol, glycol, Hexanediol, 1, 2,6-hexanetriol, hexyl alcohol, hexylene glycol, isobutoxypropanol, isopentyl diol, isopropyl alcohol (isopropanol), 3-methoxybutanol, methoxy diglycol, methoxyethanol, methoxy isopropanol, methoxymethyl butanol, methoxy PEG-10, methylal, methyl Alcohol,
  • the agent used in the method according to the invention may contain one or more perfumes, preferably in an amount of 0.01 to 1 wt .-%, in particular 0.02 to 0.8 wt .-%, particularly preferably 0.05 to 0.5 wt .-%, most preferably 0.1 to 0.3 wt .-%, and / or one or more dyes (INCI Colorants), preferably in an amount of 0.0001 to 0.1% by weight, in particular 0, 0005 to 0.05 wt .-%, particularly preferably 0.001 to 0.01 wt .-%, contain.
  • one or more perfumes preferably in an amount of 0.01 to 1 wt .-%, in particular 0.02 to 0.8 wt .-%, particularly preferably 0.05 to 0.5 wt .-%, most preferably 0.1 to 0.3 wt .-%, and / or one or more dyes (INCI Colorants), preferably in an amount of 0.0001 to 0.1% by weight, in particular 0, 000
  • Bleaching agents may also be used in the process of the invention.
  • Suitable bleaching agents include peroxides, percarbonates, peracids and / or perborates, particularly preferred is hydrogen peroxide (H 2 0 2 ). Furthermore, chlorine bleaches can be used, in particular sodium hypochlorite.
  • the agent used in the method of the invention may also contain enzymes, preferably proteases, lipases, amylases, hydrolases and / or cellulases. They can be added to the composition according to the invention in any form established according to the prior art. In the case of liquid or gel-containing compositions, these include, in particular, solutions of the enzymes, advantageously as concentrated as possible, sparing in water and / or added with stabilizers.
  • the enzymes may be encapsulated, for example by spray-drying or extruding the enzyme solution together with a preferably natural polymer or in the form of capsules, for example those in which the enzymes are entrapped as in a solidified gel or in core-shell type in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
  • a preferably natural polymer or in the form of capsules for example those in which the enzymes are entrapped as in a solidified gel or in core-shell type in which an enzyme-containing core is coated with a water, air and / or chemical impermeable protective layer.
  • further active ingredients for example stabilizers, emulsifiers, pigments, bleaches or dyes, may additionally be applied.
  • Such capsules are applied by methods known per se, for example by shaking or rolling granulation or in fluid-bed processes.
  • such granules for example by applying polymeric film-forming agent, low in dust and storage stable due to the
  • enzyme stabilizers may be present in enzyme-containing agents in order to protect an enzyme contained in an agent according to the invention from damage such as, for example, inactivation, denaturation or decomposition, for example by physical influences, oxidation or proteolytic cleavage.
  • Suitable enzyme stabilizers are in particular: benzamidine hydrochloride, borax, boric acids, boronic acids or their salts or esters, in particular derivatives with aromatic groups, for example substituted ones Phenylboronic acids or their salts or esters; Peptide aldehydes (oligopeptides with reduced C-terminus), amino alcohols such as mono-, di-, triethanol- and -propanolamine and mixtures thereof, aliphatic carboxylic acids up to C 2 , such as succinic acid, others
  • Fatty acid lower aliphatic alcohols and especially polyols, for example glycerol, ethylene glycol, propylene glycol or sorbitol; and reducing agents and antioxidants such as sodium sulfite and reducing sugars.
  • polyols for example glycerol, ethylene glycol, propylene glycol or sorbitol
  • reducing agents and antioxidants such as sodium sulfite and reducing sugars.
  • Other suitable stabilizers are known in the art.
  • Combinations of stabilizers are preferably used, for example the combination of polyols, boric acid and / or borax, the combination of boric acid or borate, reducing salts and succinic acid or other dicarboxylic acids or
  • agent used in the process according to the invention can be further customary
  • Hard surface cleaning ingredients preferably selected from the group consisting of abrasives, UV stabilizers, corrosion inhibitors, cleaning enhancers, antistatics, pearlescing agents, builders, opacifiers, skin protection agents, fillers and mixtures thereof. On the other hand, it is preferably free of biocides, acids and bleaching agents not being considered as biocides for the purposes of this invention.
  • cleaning agents for hard surfaces are suitable for use in processes according to the invention or for use according to the invention. Depending on the application, it may be about liquid or gel toilet cleaners, bathroom cleaners or all-purpose cleaners or solid, powdered detergent or detergent medium additives. Solid, pulverulent, gel-like or liquid, optionally sprayable machine cleaning and care agents can also be used in processes according to the invention.
  • Another object of the invention is a cleaning agent for use in a
  • the toilet reactor is a device which adjusts the rinsing cycles of a conventional flush toilet. To determine the biofilm reduction pretreated ceramic tiles are clamped in this device, with different
  • Terpolymer A was a slightly crosslinked polymer of acrylamide, DADMAC and acrylic acid (75.6 / 20 / 4.4 wt .-%)
  • terpolymer B consisted of ⁇ , ⁇ -dimethylacrylamide, DADMAC and
  • the reactor was filled with 680 ml of medium, inoculated with a germ mixture of the biofilm generators Dermacoccus nishinomiyaensis DSMZ 20448, Bradyrhizobium japonicum DSMZ 1982 and Xanthomonas campestris DSMZ 1526 and incubated overnight.
  • the semi-automatic rinses were then taken with 680 ml of medium in 20 minutes, 15 times in each case on the first two days after incubation. After these 30 rinses, the tiles were removed from the reactor, dried and remaining biofilms stained with 6 ml of 0.01% safranine O solution for 15 minutes. The excess staining solution was filtered off with suction, unbound dye with redist. Rinse off water and dry the tiles. Now the colored surfaces were scanned and with the help of a
  • Terpolymer B contained. Compared with the respective reference value of 100% adhesion
  • a test stain was prepared as follows: 85% by weight of ethanol were introduced and 5% by weight of finely divided calcium stearate were stirred in. Subsequently, 9.8 wt .-% of water and added to 0.2 wt .-% Special Black 4, the suspension is for 10 minutes in an ultrasonic bath for three minutes and at 5000 U / min homogenized with a Turrax ® stirrer.
  • Order amount of soiling was 100 to 120 mg, and optionally further
  • wipe tests were also carried out in which instead of the terpolymer A or B, the commercially available polymer Mirapol Surf-S 500 (ex Rhodia) was used. Both with 0.25 wt.% And with 1 wt.% Active, only a minimal cleaning effect was observed after 30 wiping motions.
  • a bleach-containing cleaner of the following composition was also subjected to a washing test:
  • wipe tests were also carried out in which instead of the terpolymer A or B, the commercially available polymer Mirapol Surf-S 500 (ex Rhodia) was used. Both with 0.25 wt.% And with 1 wt.% Active, only a minimal cleaning effect was observed after 30 wiping motions
  • the polymer-free cleaner showed no cleaning effect after 50 wiping movements, while the agent with polymer A after only 10 wiping movements a good
  • a comparison agent with 0.25 wt.% Mirapol Surf-S 1 10 required 20 strokes for a good cleaning performance.

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  • Engineering & Computer Science (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
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Abstract

L'invention concerne un procédé d'inhibition de l'adhérence de micro-organismes sur des surfaces dures, par leur modification semi-permanente pendant le processus de nettoyage, procédé consistant à utiliser un détergent renfermant des polymères tensio-actifs. Ce détergent est utilisé en conséquence pour l'inhibition de la colonisation bactérienne des surfaces dures.
PCT/EP2011/062666 2010-07-23 2011-07-22 Inhibition de l'adhérence bactérienne WO2012010700A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038340A DE102010038340A1 (de) 2010-07-23 2010-07-23 Verhinderung der bakteriellen Adhäsion
DE102010038340.6 2010-07-23

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WO2012010700A1 true WO2012010700A1 (fr) 2012-01-26

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EP3309243A1 (fr) * 2016-10-11 2018-04-18 The Procter & Gamble Company Nettoyants de surfaces dures

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WO2014079756A1 (fr) * 2012-11-20 2014-05-30 Henkel Ag & Co. Kgaa Polymères anti-adhésifs en tant qu'apprêt répulsif de microbes pour textiles
EP3309243A1 (fr) * 2016-10-11 2018-04-18 The Procter & Gamble Company Nettoyants de surfaces dures
WO2018071461A1 (fr) * 2016-10-11 2018-04-19 The Procter & Gamble Company Nettoyants pour surfaces dures
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