EP1477553B1 - Flüssige Wasch- und Reinigungsmittel mit Konsistenz-gebenden Polymeren - Google Patents

Flüssige Wasch- und Reinigungsmittel mit Konsistenz-gebenden Polymeren Download PDF

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Publication number
EP1477553B1
EP1477553B1 EP04011034A EP04011034A EP1477553B1 EP 1477553 B1 EP1477553 B1 EP 1477553B1 EP 04011034 A EP04011034 A EP 04011034A EP 04011034 A EP04011034 A EP 04011034A EP 1477553 B1 EP1477553 B1 EP 1477553B1
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EP
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Prior art keywords
alkyl
weight
acid
cleaning
structural unit
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EP04011034A
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German (de)
English (en)
French (fr)
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EP1477553A1 (de
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Johannes Dr. Himmrich
Christoph Dr. Kayser
Roman Dr. Morschhäuser
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Clariant Produkte Deutschland GmbH
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Clariant Produkte Deutschland GmbH
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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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate

Definitions

  • the present invention relates to liquid washing, cleaning, disinfecting and bleaching agents containing copolymers based on acryloyldimethyltaurine.
  • the finished formulations are characterized by a favorable rheological behavior, as well as good compatibility with other components. They have a high storage stability, in particular a high stability of hydrolysis-sensitive components, for example in the case of oxidizing agents in the formulations, preferably in acidic formulations and are UV stable.
  • Object of the present invention was therefore to find a thickener for washing and cleaning formulations, which does not lose its effectiveness in an acidic environment below pH 5.
  • these polymeric structures With the help of these polymeric structures, it has been possible to adjust formulations for washing, cleaning and disinfecting to viscosities greater than 100 cP.
  • they are formulations with an acid character (pH ⁇ 5). Due to the acidic environment, it is also possible to permanently stabilize pH-sensitive oxidizing agents, such as hydrogen peroxide, thereby making them accessible to new applications in the cleaning and hygiene sector.
  • pH-sensitive oxidizing agents such as hydrogen peroxide
  • the mixing ratio concerning structural unit a2) can vary within any limits.
  • Preferred copolymers contain From 2 to 30% by weight, particularly preferably from 3 to 15% by weight, of the structural units a1) or a2), preferably of the structural unit a2), 69.5 to 97.5 wt .-%, particularly preferably 84.5 to 96.5 wt .-%, of the structural unit b) and 0.01 to 5 wt .-%, particularly preferably 0.2 to 3 wt .-%, particularly preferably 0.5 to 2 wt .-%, of the structural unit c).
  • Particularly preferred structural units of the formula (1) are derived from N-vinylpyrrolidone.
  • Suitable structural units according to formula (3) are preferably alkali metal / alkaline earth metal, preferably ammonium salts of 2-acrylamido-2-methylpropanesulfonic acid, particularly preferably the NH 4 + salt.
  • the crosslinking structural units c) are preferably derived from allyl acrylate or methacrylate, trimethylolpropane triacrylate, trimethylolpropane methacrylate, dipropylene glycol diallyl ether, polyglycol diallyl ether, triethylene glycol divinyl ether, hydroquinone diallyl ether, tetraallyloxyethane or other allyl or vinyl ethers of polyfunctional alcohols, tetraethylene glycol diacrylate, triallylamine, trimethylolpropane diallyl ether, methylenebisacrylamide and / or divinylbenzene.
  • the crosslinking structures are derived from monomers of the general formula (4) where R is hydrogen, methyl or ethyl.
  • the preparation of the copolymers is carried out by polymerization reaction, for example by Precipitation polymerization, emulsion polymerization, bulk polymerization, solution polymerization or gel polymerization, wherein the precipitation polymerization is particularly advantageous for the property profile of the copolymers used according to the invention.
  • polymerization reaction for example by Precipitation polymerization, emulsion polymerization, bulk polymerization, solution polymerization or gel polymerization, wherein the precipitation polymerization is particularly advantageous for the property profile of the copolymers used according to the invention.
  • a protic solvent preferably tert-butanol.
  • one or more crosslinkers c) are added to this solution or dispersion and the polymerization is started in a known manner by addition of a radical-forming compound.
  • the polymerization reaction is preferably carried out in a water-soluble alcohol or a mixture of several alcohols having 1 to 6 C atoms, preferably in tert-butanol.
  • the water content of the alcohol or alcohol mixture should not exceed 10% by weight, since otherwise lumping may occur in the course of the polymerization.
  • the choice of the type and the amount of the solvent should be such that the salt of the acrylamidoalkylsulfonic according to formula (3), in particular the 2-acrylamido-2-methyl-propane-sulfonic acid, is substantially soluble or dispersible therein. Under largely soluble or dispersible is to be understood that even after stopping the agitator no solid material from the solution or dispersion settles.
  • the polymer formed in the course of the reaction should be substantially insoluble in the chosen solvent or solvent mixture. It is to be understood here to be largely insoluble that a readily stirrable, pasty polymer paste is formed in the course of the polymerization in which no lumps or adhesions form.
  • the filtrate obtainable by suction of the paste should have a solids content of at most 5% by weight. If the copolymers are more soluble in the chosen solvent or solvent mixture, clumping may occur during drying of the polymer paste.
  • the polymerization reaction itself is in a conventional manner by radical-forming compounds such as azo initiators (eg azobisisobutyronitrile), peroxides (eg dilauryl peroxide) or persulfates in the temperature range of 20 to 120 ° C, preferably between 40 and 80 ° C, started and over a period of 30 Minutes to several hours continued.
  • azo initiators eg azobisisobutyronitrile
  • peroxides eg dilauryl peroxide
  • persulfates in the temperature range of 20 to 120 ° C, preferably between 40 and 80 ° C, started and over a period of 30 Minutes to several hours continued.
  • the property profile of the copolymers can be varied by varying the above mixing ratio of the monomers and the crosslinker. So can eg the thickening effect of the polymers can be improved by the increased incorporation of acrylamidosulfonic acid / salt.
  • the alkali metal, alkaline earth metal, particularly preferably NH 4 + salts are particularly preferably polymerized in.
  • ammonium salts it is also possible to use the free acrylamidopropylsulfonic acids and to produce the ammonium salts by introducing ammonia before adding the remaining monomers.
  • the copolymers used according to the invention in detergents and cleaners preferably have a molecular weight M w of from 10 3 g / mol to 10 9 g / mol, more preferably from 10 4 to 10 7 g / mol, particularly preferably from 5 ⁇ 10 4 to 5 ⁇ 10 6 g / mol.
  • M w for the purposes of this invention is generally to be determined by GPC versus polystyrene sulfonic acid.
  • the agents according to the invention preferably contain from 0.01 to 10% by weight, more preferably from 0.1 to 5% by weight, particularly preferably from 0.5 to 3% by weight, of copolymers.
  • the copolymers based on acryloyldimethyltaurate described above can generally be used in all types of washing, cleaning, disinfecting and bleaching agents. They are preferably used as thickeners in acid detergent formulations for hard surfaces made of ceramic, metal, glass or plastic, for example in liquid all-purpose cleaners, in the sanitary sector, for example liquid toilet block, limesolvents bathroom cleaners, but also dishwashing detergents. Furthermore, they are suitable for use in stain removers, liquid detergents and laundry bleaches.
  • the washing, cleaning, disinfecting and bleaching agents according to the invention may be in the form of aqueous, aqueous / organic, in particular aqueous / alcoholic and organic formulations are present.
  • Other embodiments may be: emulsions, dispersions, gels and suspensions.
  • the washing, cleaning, disinfecting and bleaching agents according to the invention contain an acidic component.
  • Suitable organic or inorganic acids preferably organic acids, more preferably alpha-hydroxy acids and acids selected from glycolic, lactic, citric, tartaric, mandelic, salicylic, ascorbic, pyruvic, oligooxa mono- and dicarboxylic, fumaric, retinoic, aliphatic and organic Sulfonic acids, benzoic acid, kojic acid, fruit acid, malic acid, gluconic acid, galacturonic acid, acidic plant and / or fruit extracts and their derivatives.
  • preferred embodiments may contain bleaching and disinfecting agents, for example chlorine or bromine-releasing substances, or organic or inorganic peroxides.
  • Suitable chlorine or bromine releasing materials include, for example, heterocyclic N-bromo and N-chloroamides, for example trichloroisocyanuric acid, tribromoisocyanuric acid, dibromoisocyanuric acid and / or dichloroisocyanuric acid (DICA) and / or their salts with cations such as potassium and sodium.
  • Hydantoin compounds such as 1,3-dichloro-5,5-dimethylhydantoin are also suitable.
  • Anhydrous, water-soluble inorganic salts are also useful as bleaching agents, such as lithium, sodium, or calcium hypochlorite and hypobromite. Chlorinated trisodium phosphate is also considered.
  • Organic peracids and diacyl peroxides for example peroxybenzoic acid and its benzene-substituted analogs, aliphatic and substituted aliphatic monoperoxy acids, for example peroxylauric acid or peroxystearic acid, alkyldiperoxyacids and aryldiperoxyacids such as 1,12-diperoxydodecanoic acid, 1,9-diperoxybrassidic acid, diperoxysebacylic acid, diperoxyisophthalic acid and dibenzoyl peroxide.
  • monopersulfates, perborates and percarbonates may be used.
  • the inorganic peroxy compounds are generally used as alkali metal salts, preferably as lithium, sodium and potassium salts.
  • the preparations according to the invention may contain bleaches and disinfectants in amounts of from 0.1 to 30% by weight, more preferably from 0.5 to 18% by weight, in particular from 1.5 to 9% by weight.
  • the washing, cleaning, disinfecting and bleaching agents according to the invention may contain surfactants of nonionic, anionic, cationic or amphoteric nature as well as customary auxiliaries and additives in varying amounts.
  • Preferred nonionic surfactants are fatty alcohol ethoxylates containing from about 1 to about 25 moles of ethylene oxide.
  • the alkyl chain of the aliphatic alcohols may be linear or branched, primary or secondary, and generally contains from 8 to 22 carbon atoms. Particularly preferred are the condensation products of alcohols containing an alkyl chain of 10 to 20 carbons with 2 to 18 moles of ethylene oxide per mole of alcohol.
  • the alkyl chain can be saturated or unsaturated.
  • the alcohol ethoxylates may have a narrow homolog distribution of the ethylene oxide ("narrow range ethoxylates") or a broad homolog distribution of the ethylene oxide ("broad range ethoxylates").
  • nonionic surfactants of this type are Tergitol TM 15-S-9 (condensation product of a C 11 -C 15 linear secondary alcohol with 9 moles of ethylene oxide), Tergitol TM 24-L NMW (condensation product of a C 12 -C 14 linear primary alcohol with 6 moles of ethylene oxide with narrow molecular weight distribution). Also included in this product class are the Genapol TM brands from Clariant GmbH.
  • nonionic surfactants come into question, such as polyethylene, polypropylene and Polybutylenoxidaddukte of alkylphenols having 6 to 12 carbon atoms in the alkyl chain, addition products of ethylene oxide with a hydrophobic base, formed from the condensation of propylene oxide Propylene glycol or addition products of ethylene oxide with a reaction product of propylene oxide and ethylenediamine.
  • semipolar nonionic surfactants for example amine oxides of the formula III where R 8 is an alkyl, hydroxyalkyl or alkylphenol group or mixtures thereof having a chain length of 8 to 22 carbon atoms; R 9 is an alkylene or hydroxyalkylene group having 2 to 3 carbon atoms or mixtures thereof; R 10 is an alkyl or hydroxyalkyl group having 1 to 3 carbon atoms or a polyethylene oxide group having 1 to 3 ethylene oxide units.
  • the R 10 / R 9 groups may be linked together via an oxygen or nitrogen atom and thus form a ring.
  • These amine oxides particularly include C 10 -C 18 alkyl dimethyl amine oxides and C 8 -C 12 alkoxyethyl dihydroxyethyl amine oxides.
  • the mixtures according to the invention may also contain anionic surfactants.
  • Suitable anionic surfactants are, in particular, straight-chain and branched alkyl sulfates, sulfonates, carboxylates, phosphates, alkyl ester sulfonates, arylalkyl sulfonates, alkyl ether sulfates and mixtures of the abovementioned compounds.
  • Suitable anionic surfactants are, in particular, straight-chain and branched alkyl sulfates, sulfonates, carboxylates, phosphates, alkyl ester sulfonates, arylalkyl sulfonates, alkyl ether sulfates and mixtures of the abovementioned compounds.
  • Alkyl ester sulfonates are linear esters of C 8 -C 20 carboxylic acids (ie, fatty acids) which are sulfonated by SO 3 as described in U.S. Pat. The Journal of the American Oil Chemists Society, 52 (1975), pp. 323-329 described.
  • Suitable starting materials are natural fatty derivatives, such as tallow or palm oil fatty acid.
  • Alkyl sulfates are water-soluble salts or acids of the formula ROSO 3 M, wherein R preferably has a C 10 -C 24 -hydrocarbon radical, preferably an alkyl or hydroxyalkyl radical having 10 to 20 C atoms, particularly preferably a C 12 -C 18 -alkyl or Represents hydroxyalkyl.
  • M is hydrogen or a cation, for example an alkali metal cation (eg sodium, potassium, lithium) or ammonium or substituted ammonium, for example a methyl, dimethyl and trimethylammonium cation or a quaternary ammonium cation, such as tetramethylammonium and dimethylpiperidinium cation and quaternary ammonium cations, derived from alkylamines such as ethylamine, diethylamine, triethylamine and mixtures thereof.
  • Alkyl chains with C 12 -C 16 are preferred for low washing temperatures (eg below about 50 ° C) and alkyl chains with C 16 -C 18 preferably for higher washing temperatures (eg above about 50 ° C).
  • the alkyl ether sulfates are water-soluble salts or acids of the formula RO (A) m SO 3 M, where R is an unsubstituted C 10 -C 24 -alkyl or hydroxyalkyl radical having 10 to 24 C atoms, preferably a C 12 -C 20 -alkyl radical. or hydroxyalkyl radical, particularly preferably a C 12 -C 18 -alkyl or hydroxyalkyl radical.
  • A is an ethoxy or propoxy moiety
  • m is a number greater than 0, typically between about 0.5 and about 6, more preferably between about 0.5 and about 3
  • M is a hydrogen atom or a cation such as for example, a metal cation (eg, sodium, potassium, lithium, calcium, magnesium, etc.), ammonium, or a substituted ammonium cation.
  • substituted ammonium cations are methyl, dimethyl, trimethylammonium and quaternary ammonium cations such as tetramethylammonium and dimethylpiperidinium cations, as well as those derived from alkylamines such as ethylamine, diethylamine, triethylamine, mixtures thereof and the like.
  • C 12 -C 18 -alkyl polyethoxylate (1.0) sulfate, C 12 -C 18 -alkyl polyethoxylate (2,25) sulfate, C 12 -C 18 -alkyl polyethoxylate (3, 0) sulfate, C 12 -C 18 alkyl polyethoxylate (4.0) sulfate, wherein the cation is sodium or potassium.
  • anionic surfactants which are useful for use in detergents and cleaners are C 8 -C 24 -olefin sulfonates, sulfonated polycarboxylic acids, prepared by sulfonation of the pyrolysis products of alkaline earth metal citrates, as described, for example, in US Pat British Patent GB 1,082,179 , Alkyl glycerol sulfates, fatty acyl glycerol sulfates, oleyl glycerol sulfates, alkyl phenol ether sulfates, primary paraffin sulfonates, alkyl phosphates, alkyl ether phosphates, isethionates such as acyl isethionates, N-acyl taurides, alkyl succinamates, sulfosuccinates, monoesters of sulfosuccinates (especially saturated and unsaturated C 12 -C 18 monoesters) and die
  • Resin acids or hydrogenated resin acids such as rosin or hydrogenated rosin or tall oil resins and tall oil rosin acids are also useful. Further examples are described in "Surface Active Agents and Detergents" (Vol. I and II, Schwartz, Perry and Berch). A variety of such surfactants are also in U.S. Patent 3,929,678 claimed.
  • amphoteric surfactants which can be used in the formulations of the present invention are, in particular, those which are broadly described as derivatives of aliphatic secondary and tertiary amines in which the aliphatic radical can be linear or branched and in which one of the aliphatic radicals Substituents between. Contains 8 to 18 carbon atoms and an anionic, water-soluble group, such as e.g. Carboxy, sulfonate, sulfate, phosphate or phosphonate contains.
  • amphoteric surfactants are alkyl dimethyl betaines, alkyl amidobetaines and alkyl dipolyethoxy betaines having an alkyl radical which may be linear or branched, with. 8 to 22 carbon atoms, preferably having 8 to 18 carbon atoms and more preferably with. 12 to. 18 carbon atoms. These compounds are e.g. marketed by Clariant GmbH under the trade name Genagen® CAB.
  • the washing and cleaning agents contain, depending on the application, in addition to the surfactants mentioned nor the specific auxiliaries and additives
  • auxiliaries and additives For example, builders, salts, bleaches, bleach activators, optical brighteners, complexing agents, grayness inhibitors, solubilizers, enzymes, thickeners, preservatives, fragrances and dyes, pearlescing agents, foam inhibitors, sequestering agents.
  • Suitable organic and inorganic builders are neutral or, in particular, alkaline salts which are able to precipitate or complex calcium ions.
  • Suitable and in particular ecologically acceptable builder substances such as fine-crystalline, synthetic hydrous zeolites of the NaA type, which have a calcium binding capacity in the range from 100 to 200 mg CaO / g, find a preferred use.
  • phyllosilicates are preferably used. Zeolite and the phyllosilicates may be present in an amount of up to 20 wt .-% on average.
  • Useful organic builders are, for example, the percarboxylic acids preferably used in the form of their sodium salts, such as citric acid and nitriloacetate (NTA), ethylenediaminetetraacetic acid, if such use is not objectionable for ecological reasons.
  • NTA nitriloacetate
  • polymeric carboxylates and their salts include, for example, the salts of homopolymeric or copolymeric polyacrylates, polymethyacrylates and in particular copolymers of acrylic acid with maleic acid, preferably those of 50% to 10% of maleic acid and also polyvinylpyrrolidone and urethanes.
  • the molecular weight of the homopolymers is generally between 1000 and 100,000, those of the copolymers between 2000 and 200,000, preferably 50,000 to 120,000, based on the free acid, in particular water-soluble polyacrylates are suitable, for example, about 1% of a Polyallylethers of sucrose are cross-linked and have a molecular weight above one million. Examples of these are the polymers available under the name Carbopol 940 and 941.
  • the crosslinked polyacrylates are used in amounts of not more than 1% by weight, preferably in amounts of from 0.2 to 0.7% by weight.
  • compositions according to the invention can be used as foam inhibitors fatty acid alkyl ester alkoxylates, organopolysiloxanes and mixtures thereof with microfine, optionally silanized silica and paraffins, waxes, Microcrystalline waxes and their mixtures with silanized silica. It is also advantageous to use mixtures of different foam inhibitors, for example those of silicone oil, paraffin oil or waxes.
  • foam inhibitors are bound to a granular, water-soluble or dispersible carrier substance.
  • the liquid detergents may contain optical brighteners, for example derivatives of diaminostilbenedisulfonic acid or their alkali metal salts, which can be incorporated well into the dispersion.
  • optical brighteners for example derivatives of diaminostilbenedisulfonic acid or their alkali metal salts, which can be incorporated well into the dispersion.
  • the maximum content of brighteners in the compositions according to the invention is 0.5% by weight, preferably amounts of 0.02 to 0.25% by weight are used.
  • the desired viscosity of the agents can be adjusted by adding water and / or organic solvents or by adding a combination of organic solvents and other thickening agents.
  • organic solvents all mono- or polyhydric alcohols are suitable as organic solvents.
  • Alcohols having 1 to 4 carbon atoms, such as methanol, ethanol, propanol, isopropanol, straight-chain and branched butanol, glycerol and mixtures of the alcohols mentioned are preferably used. More preferred alcohols are polyethylene glycols having a molecular weight less than 2,000.
  • polyethylene glycol having a molecular weight of between 200 and 600 and up to 45% by weight and polyethylene glycol having a molecular weight of between 400 and 600 in amounts of 5 to 25 wt .-% preferred.
  • An advantageous mixture of solvents consists of monomeric alcohol, for example ethanol and polyethylene glycol in a ratio of 0.5: 1 to 1.2: 1, wherein the liquid detergent according to the invention may contain 8 to 12 wt .-% of such a mixture.
  • suitable solvents include triacetin (glycerol triacetate) and 1-methoxy-2-propanol.
  • Preferred thickeners are hardened castor oil, salts of long-chain fatty acids, preferably in amounts of from 0 to 5% by weight and in particular in amounts of from 0.5 to 2% by weight, for example sodium. Potassium, aluminum, magnesium and titanium stearates or the sodium and / or potassium salts the behenic acid, as well as polysaccharides, especially xanthan gum, guar guar, agar, alginates and Tyloses, carboxymethyl cellulose and hydroxyethyl cellulose, also higher molecular weight polyethylene glycol mono- and diesters of fatty acids, polyacrylates, polyvinyl alcohol and polyvinylpyrrolidone used.
  • Suitable enzymes are those from the class of proteases, lipases, amylases or mixtures thereof. Their proportion can be 0.2 to 1 wt .-%.
  • the enzymes can be adsorbed to carrier substances and / or embedded in encapsulating substances.
  • the salts of polyphosphoric acids such as 1-hydroxyethane-1,1-diphosphonic acid (HEDP) and diethylenetriaminepentamethylenephosphonic acid (DTPMP), are preferably used in amounts by weight of 0.1 to 1.0 wt .-%.
  • HEDP 1-hydroxyethane-1,1-diphosphonic acid
  • DTPMP diethylenetriaminepentamethylenephosphonic acid
  • Suitable preservatives are, for example, phenoxyethanol, formaldehyde solution, parabens, pentanediol or sorbic acid.
  • Suitable pearlescing agents are, for example, glycol distearate esters, such as ethylene glycol distearate, but also fatty acid monoglycol esters.
  • salts or adjusting agents for example, sodium sulfate, sodium carbonate or sodium silicate (water glass) are used.
  • further additives include sodium borate, starch, sucrose, polydextrose, stilbene compounds, methylcellulose, toluenesulfonate, cumene sulfonate, soaps and silicones.
  • the agents according to the invention are customarily adjusted to a pH in the range from 1 to 12, preferably from pH 2.1 to 7.8, more preferably from 2.2 to 6.5.
  • acryloyldimethyltaurate-containing copolymers are used in an amount of 0.01 to 10 wt .-%. Preference is given to working with an amount of 0.1 to 5 wt .-%. Particularly preferred is the range of 0.2 to 2 wt .-%. Depending on the amount of polymer used, the viscosity of the resulting gels can be between 100 and 100,000 mPas.
  • the thickening of organic solvents, especially alcohols, in combination with anionic and nonionic surfactants and other formulation ingredients is easily possible through the use of copolymers containing acryloyldimethyltaurate.
  • organic solvents especially alcohols
  • anionic and nonionic surfactants and other formulation ingredients are easily possible through the use of copolymers containing acryloyldimethyltaurate.
  • water-compatible organic solvents are within the meaning of the invention.
  • Non-limiting examples can be mentioned ethanol, propanol, isopropanol, DMSO, NMP, acetone, methanol and butanol.
  • the resulting gels may contain between 0.1 and 90% by weight of organic solvent. Preference is given to a proportion of 5 to 80 wt .-%. Particularly preferred are gels having a content of organic solvents of 20 to 60 wt .-%.
  • copolymers containing acryloyldimethyltaurate are used in these formulations in an amount of from 0.01 to 10% by weight. Preference is given to working with an amount of 0.1 to 5 wt .-%. Particularly preferred is the range of 0.2 to 2 wt .-%.
  • the viscosities of the resulting cleaner gels containing organic solvents may vary between 100 and 100,000 mPas, depending on the amount of polymer used.
  • cleaning "fat-crusted" hard Surfaces such as tiles, glass or ceramic or metal are called.
  • Possible fields of use according to the invention are, for example, bathroom cleaners, glass cleaners, and floor cleaners.
  • Disinfection gels play a major role in the hygiene sector and have been enjoying increasing obesity on the market for some years now. Especially gels in use as "liquid toilet blocks” have been on the rise in sanitation for years.
  • acryloyldimethyltaurate-containing copolymers are used in an amount of 0.01 to 10 wt .-%. Preference is given to working with an amount of 0.1 to 5 wt .-%. Particularly preferred is the range of 0.2 to 2 wt .-%. Depending on the amount of polymer used, the viscosity of the resulting gels can be between 100 and 100,000 mPas.
  • Formulations according to the invention may contain organic or inorganic peroxides, in particular hydrogen peroxide or a mixture thereof. at In various applications, it is desirable that the peroxide solutions adhere to the substrate rather than draining, so that the effect can be fully exploited.
  • solutions of peroxide with conventional thickeners are difficult to thicken or stabilize over an extended period of time. The reason lies in the fact that a hydrogen peroxide solution is already comparatively unstable at neutral or only slightly acidic pH values. In the decay, the thickeners are attacked and the viscosity decreases over time greatly. In addition, there is a significant loss of hydrogen peroxide activity.
  • Bleaching solutions e.g. for cleaning laundry (liquid stain remover) or dishes:
  • a solution of 0.1 to 30% ww H 2 O 2 preferably from 1 to 15% ww, particularly preferably from 3 to 10% ww, can be thickened by means of inventive acryloyldimethyltaurate polymers at pH values ⁇ 5. Even at elevated storage temperatures, a stable viscosity over months is found. The thickening of the bleaching solution makes it easier for the user to set the optimal dosage. The solution does not splash and the handling is safer.
  • Peroxide-containing cleaners may e.g. be used in the field of cleaning hard surfaces in the hygiene or sanitary sector.
  • formulations can be prepared which also contain anionic and nonionic surfactants. Very useful are such means, for example for the cleaning of toilets.
  • the peroxide-based cleaner adheres to the ceramic and can thus unfold its cleaning and disinfecting effect optimally.
  • Gel or liquid filled permanent cleaners for hanging in the cistern or the toilet bowl can be realized with a similar formulation. Part of the gel-like thickened solution is distributed with each rinse with the flow of water in the basin and thus ensures a cleansing and disinfecting effect.
  • acryloyldimethyltaurate polymers according to the invention clear formulations are available which correspond to the current trend towards clear formulations and transparent packaging.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
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  • Agricultural Chemicals And Associated Chemicals (AREA)
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EP04011034A 2003-05-16 2004-05-10 Flüssige Wasch- und Reinigungsmittel mit Konsistenz-gebenden Polymeren Expired - Lifetime EP1477553B1 (de)

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US (1) US20050003984A1 (pl)
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DE (2) DE10322269A1 (pl)
DK (1) DK1477553T3 (pl)
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FR2931687B1 (fr) * 2008-05-27 2017-11-24 Commissariat Energie Atomique Solution aqueuse decontaminante et moussante.
EP2322594A1 (en) 2009-10-13 2011-05-18 Clariant S.A., Brazil Discrete or single dose detergent formulation
US7939484B1 (en) * 2009-10-27 2011-05-10 Clariant International, Ltd. Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil
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DE10322269A1 (de) 2004-12-02
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DK1477553T3 (da) 2008-09-22
DE502004007470D1 (de) 2008-08-14
EP1477553A1 (de) 2004-11-17
PL1477553T3 (pl) 2008-12-31
US20050003984A1 (en) 2005-01-06

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