EP1141225A1 - Produit de nettoyage aqueux multiphase - Google Patents

Produit de nettoyage aqueux multiphase

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Publication number
EP1141225A1
EP1141225A1 EP99964566A EP99964566A EP1141225A1 EP 1141225 A1 EP1141225 A1 EP 1141225A1 EP 99964566 A EP99964566 A EP 99964566A EP 99964566 A EP99964566 A EP 99964566A EP 1141225 A1 EP1141225 A1 EP 1141225A1
Authority
EP
European Patent Office
Prior art keywords
phase
phases
citrate
alkyl
emulsion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99964566A
Other languages
German (de)
English (en)
Inventor
Georg Meine
Ryszard Katowicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1141225A1 publication Critical patent/EP1141225A1/fr
Withdrawn legal-status Critical Current

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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
    • C11D3/20—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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0017—Multi-phase 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
    • C11D3/06—Phosphates, including polyphosphates

Definitions

  • the invention relates to aqueous multiphase liquid surfactant-containing cleaning agents with citric acid or citrate, which can be temporarily emulsified by shaking and can be used for cleaning hard surfaces, a process for their preparation and their use for cleaning hard surfaces, and the use of citric acid or citrate in such a multi-phase cleaning agent as phase separation aid or for reducing turbidity in the area of the boundary layer between the phases and corresponding methods for producing such multi-phase cleaning agent with the aid of citric acid or citrate for separating the phases or reducing said clouding.
  • Universally usable cleaning agents for all hard, wet or damp wipeable surfaces in the household and business are known as so-called all-purpose cleaners and are predominantly neutral to weakly alkaline aqueous liquid products, the 1 to 30 wt .-% surfactants, 0 to 5 wt .-% builder (for example citrates, gluconates, soda, polycarboxylates) 0 to 10% by weight of hydrotropes (for example alcohols, urea), 0 to 10% by weight of water-soluble solvents (for example alcohols, glycol ethers) and optionally, among others Contain skin protection agents, dyes and fragrances. It is usually used as an approx. 1% solution in water, also undiluted for local stain removal. Ready-to-use all-purpose cleaners are also commercially available as so-called spray cleaners.
  • Such aqueous liquid cleaners are usually present as homogeneous, stable solutions or dispersions.
  • certain, in particular hydrophobic, components in such cleaning agents can result in this homogeneity being lost and inhomogeneous agents being obtained, the acceptance of which can be estimated as low by the consumer.
  • the alternative wording of Agents that, despite their inhomogeneity, have a defined and acceptable form of appearance and application for the consumer.
  • European patent application 116 422 describes a liquid hair or body shampoo with two aqueous phases which can be temporarily dispersed into one another by shaking, and both phases being miscible with water in any ratio.
  • the upper phase contains 8 to 25% by weight, based on the total composition, of at least one surfactant and the lower phase contains at least 6% by weight, based on the total composition, of dissolved sodium hexametaphosphate of the formula I,
  • n stands for an average of approximately 12.
  • Additional builder salts can optionally be contained in the lower phase.
  • Anionic, cationic, amphoteric and / or nonionic surfactants can be present as surfactants, preferably at least one anionic surfactant being contained.
  • hair treatment agents in the form of a 2-phase system which have an oil phase and a water phase, the oil phase being based on silicone oil or paraffin oil, and by mechanical action are miscible for a short time.
  • the invention in a first embodiment, relates to an aqueous liquid multiphase surfactant-containing cleaning agent with at least two continuous phases, which has at least one lower aqueous phase I and one upper aqueous phase II which is immiscible with this phase and which can be temporarily converted into an emulsion by shaking, and which contains citric acid and / or at least one citrate.
  • the invention in a second embodiment, relates to the use of an aqueous liquid multiphase surfactant-containing cleaning agent with at least two continuous phases, which has at least one lower aqueous phase I and one upper aqueous phase II which is immiscible with this phase and which is temporarily converted into an emulsion by shaking leaves and contains citric acid and / or at least one citrate, for cleaning hard surfaces.
  • the invention relates to a process for producing an agent according to the invention by mixing it directly from its raw materials, then mixing it and finally standing the agent to separate the temporary emulsion.
  • the invention relates to the use of citric acid and / or at least one citrate in an aqueous liquid multiphase surfactant-containing cleaning agent with at least two continuous phases, which has at least one lower aqueous phase I and one upper aqueous phase II which is immiscible with this phase and can be temporarily converted into an emulsion by shaking, as a phase separation aid and / or to reduce turbidity in the region of the boundary layer between phases I and II.
  • the invention relates to a process for the preparation of an aqueous liquid multiphase surfactant-containing cleaning agent with at least two continuous phases, which has at least one lower aqueous phase I and one upper aqueous phase II which is immiscible with this phase and which is temporarily shaken into a Emulsion can be transferred to the citric acid and / or at least one citrate is used as an aid for separating the phases and / or for reducing turbidity in the area of the boundary layer between phases I and II.
  • temporary is understood to mean that 90% of the demixing of the emulsion formed by shaking into the separate phases takes place at temperatures of about 20 ° C. to about 40 ° C. within 2 minutes to 10 hours and the last 2 % of the separation into the phase state before shaking within a further 15 minutes to 50 hours.
  • Citric acid or citrate advantageously combine builder and phase separation aid properties in accordance with the invention.
  • the agents according to the invention are therefore distinguished by a high cleaning ability with diluted and undiluted use, in particular with stubborn grease soiling when used undiluted.
  • the agents show favorable residue behavior.
  • the individual phases on average are stable over a long period of time without e.g. Deposits formed and the transfer to a temporary emulsion remains reversible even after frequent shaking.
  • the separation of ingredients in separate phases can promote the chemical stability of the agent.
  • a particular advantage of the invention is the high transparency of the continuous phases I and II and the low-opacity or even opacifying boundary layer between them.
  • the agents according to the invention contain citric acid and / or at least one citrate in an amount of usually 0.1 to 30% by weight, preferably 1 to 20% by weight, in particular 2 to 15% by weight, extremely preferably 4 to 12% by weight .-%.
  • the amount to be selected for a certain concentration of citrate ions depends on the type of cations in the form used, which on the one hand are the light protons of the acidic carboxyl groups and / or on the other hand are heavier metallic cations or, if appropriate, alkylated - Can act ammonium ions.
  • Citric acid can be used, for example, in the form of its monohydrate '1H 2 O citric acid.
  • citrates - unless expressly stated otherwise - are the salts of triple deprotonated citric acid.
  • the mono- and dihydrogen citrates can also be used according to the invention.
  • a group of suitable citrates are e.g. the alkali metal, alkaline earth metal, ammonium and mono-, di- or trialkanolammonium citrates, preferably mono-, di- or triethanolammonium citrates, or mixtures thereof.
  • Sodium citrate and potassium citrate are particularly suitable.
  • Potassium citrate or the use of citric acid in combination with potassium hydroxide has a particularly positive effect on the phase separation, the clarity of the phases and the sharpness, as well as the lack or opacity of the phase boundary layer.
  • a preferred agent according to the subject of the invention in its first embodiment contains potassium citrate and / or citric acid in combination with potassium hydroxide.
  • potassium citrate and / or citric acid is used in combination with potassium hydroxide.
  • potassium citrate and / or citric acid is used in combination with potassium hydroxide.
  • an agent according to the invention consists of a lower continuous phase, which consists of the entire phase I, and an upper continuous phase, which consists of the entire phase II.
  • one or more continuous phases of an agent according to the invention can also contain parts of another phase in emulsified form, so that in such an agent, for example, phase I is partly present as continuous phase I, which is the lower continuous phase of the agent, and one other part than discontinuous phase I is emulsified in the upper continuous phase II.
  • phase II and other continuous phases are examples of phase II and other continuous phases.
  • the continuous phases I and II are delimited from one another by a sharp interface.
  • one or both of the continuous phases I and II contain parts, preferably 0.1 to 25% by volume, in particular 0.2 to 15% by volume, based on the volume of the respective continuous phase, the other phase as a dispersant.
  • the continuous phase I or II is then reduced by the volume that is distributed as a dispersant in the other phase.
  • Agents in which phase I is emulsified in phase II in amounts of 0.1 to 25% by volume, preferably 0.2 to 15% by volume, based on the volume of phase II are particularly preferred.
  • part of the two phases is present as an emulsion of one of the two phases in the other phase, this emulsion not being present due to two sharp interfaces, an upper and a lower one parts of phases I and II involved in the emulsion are delimited.
  • the agents according to the invention contain phase I and phase II in a volume ratio of 90:10 to 10:90, preferably 75:25 to 25:75, in particular 65:35 to 35:65.
  • the agents contain one or more hydrophobic components.
  • Suitable hydrophobic components are, for example, dialkyl ethers with the same or different C 4 -C 14 -alkyl radicals, in particular dioctyl ether; Hydrocarbons with a boiling range of 100 to 300 ° C, in particular 140 to 280 ° C, for example aliphatic hydrocarbons with a boiling range of 145 to 200 ° C, isoparaffins with a boiling range of 200 to 260 ° C; essential oils, in particular limonene and pine oil extracted from pine roots and stumps; and also mixtures of these hydrophobic components, in particular mixtures of two or three of the hydrophobic components mentioned.
  • Preferred mixtures of hydrophobic components are mixtures of various dialkyl ethers, of dialkyl ethers and hydrocarbons, of dialkyl ethers and essential oils, of hydrocarbons and essential oils, of dialkyl ethers and hydrocarbons and essential oils and of these mixtures.
  • the agents contain hydrophobic components in amounts, based on the composition, of 0 to 20% by weight, preferably 0.1 to 14% by weight, in particular 0.5 to 10% by weight, most preferably 0.8 to 7 % By weight.
  • the agents according to the invention can contain one or more further phase separation aids.
  • Suitable further phase separation aids are, for example, the alkali metal and alkaline earth metal halides, in particular chlorides, and sulfates and nitrates, in particular sodium and potassium chloride and sulfate, and also ammonium chloride and sulfate or mixtures thereof, sodium chloride being particularly preferred.
  • Such salts as strong electrolytes, support phase separation through the salt effect.
  • the compositions contain phase separation aids in amounts, based on the composition, of 0 to 30% by weight, preferably 1 to 20% by weight, in particular 3 to 15% by weight, extremely preferably 5 to 12% by weight. These phase separation aids are used in particular when the ionic strength caused by the other ionic compounds contained does not bring about the desired phase separation.
  • the agents according to the invention can contain anionic, nonionic, amphoteric or cationic surfactants or surfactant mixtures from one, several or all of these surfactant classes as the surfactant component.
  • the compositions contain surfactants in amounts, based on the composition, of 0.01 to 30% by weight, preferably 0.1 to 20% by weight, in particular 1 to 14% by weight, extremely preferably 3 to 10% by weight. -%.
  • Suitable nonionic surfactants are, for example, C 8 -C 18 -alkyl alcohol polyglycol ethers, alkyl polyglycosides and nitrogen-containing surfactants or also sulfosuccinic acid di-C 1 -C 4 -alkyl esters or mixtures thereof, in particular the first two.
  • the funds included nonionic surfactants in amounts, based on the composition, of 0 to 30% by weight, preferably 0.1 to 20% by weight, in particular 0.5 to 14% by weight, extremely preferably 1 to 10% by weight .
  • C 8 -C 18 alkyl alcohol polypropylene glycol / polyethylene glycol ethers are preferred known nonionic surfactants. They can be represented by the formula II, R 1 O- (CH 2 CH (CH 3 ) O) p (CH 2 CH 2 O) e -H , are described in which R 1 is a linear or branched, aliphatic alkyl and / or alkenyl radical having 8 to 18 carbon atoms, p is 0 or numbers from 1 to 3 and e is numbers from 1 to 20.
  • the C 8 -C 18 alkyl alcohol polyglycol ethers of the formula II can be obtained by addition of propylene oxide and / or ethylene oxide to alkyl alcohols, preferably to fatty alcohols.
  • Typical examples are polyglycol ethers of the formula II in which R represents an alkyl radical having 8 to 18 carbon atoms, p represents 0 to 2 and e represents numbers from 2 to 7.
  • End-capped C 8 -C 18 alkyl alcohol polyglycol ethers can also be used, ie compounds in which the free OH group in the formula II is etherified.
  • the end-capped C 8 -C 18 alkyl alcohol polyglycol ethers can be obtained by the relevant methods of preparative organic chemistry.
  • C 8 -C 18 -Alkyl alcohol polyglycol ethers are preferably reacted with alkyl halides, in particular butyl or benzyl chloride, in the presence of bases.
  • Typical examples are mixed ethers of the formula II in which R 1 is an industrial fatty alcohol radical, preferably C 12/14 cocoalkyl radical, p is 0 and e is 5 to 10, which are sealed with a butyl group.
  • Preferred nonionic surfactants are furthermore alkyl polyglycosides (APG) of the formula III, R 2 O [G] x , in which R 2 is a linear or branched, saturated or unsaturated alkyl radical having 8 to 22 carbon atoms, [G] is a glycosidically linked sugar radical and x stands for a number from 1 to 10.
  • APG are non-ionic surfactants and are known substances that can be obtained using the relevant methods of preparative organic chemistry.
  • the index number x in the general formula III indicates the degree of oligomerization (DP degree), ie the distribution of mono- and oligoglycosides, and stands for a number between 1 and 10.
  • Alkyl glycosides with an average degree of oligomerization x of 1.1 to 3.0 are preferably used. From an application point of view, preference is given to those alkyl glycosides whose degree of oligomerization is less than 1.7 and is in particular between 1.2 and 1.6.
  • Xylose, but especially glucose, is preferably used as the glycosidic sugar.
  • the alkyl or alkenyl radical R 2 (formula III) can be derived from primary alcohols having 8 to 18, preferably 8 to 14, carbon atoms. Typical examples are capronalcohol, caprylic alcohol, capric alcohol and undecyl alcohol and their technical mixtures, such as are obtained, for example, in the course of the hydrogenation of technical fatty acid methyl esters or in the course of the hydrogenation of aldehydes from ROELEN's oxosynthesis.
  • the alkyl or alkenyl radical R 2 is preferably derived from lauryl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol or oleyl alcohol.
  • Elaidyl alcohol, petroselinyl alcohol, arachidyl alcohol, gadolinyl alcohol, behenyl alcohol, erucyl alcohol and their technical mixtures are also to be mentioned.
  • Nitrogen-containing surfactants may be included as further nonionic surfactants, e.g. Fatty acid polyhydroxyamides, for example glucamides, and ethoxylates of alkylamines, vicinal diols and / or carboxamides which have alkyl groups with 10 to 22 C atoms, preferably 12 to 18 C atoms.
  • the degree of ethoxylation of these compounds is generally between 1 and 20, preferably between 3 and 10.
  • Ethanolamide derivatives of alkanoic acids having 8 to 22 C atoms, preferably 12 to 16 C atoms, are preferred.
  • the particularly suitable compounds include the lauric acid, myristic acid and palmitic acid monoethanolamides.
  • Suitable anionic surfactants are the preferred C 8 -C 18 alkyl sulfates, C 8 -C 18 alkyl ether sulfates, ie the sulfation products of the alcohol ethers of the formula II, and / or C 8 -C 18 alkyl benzene sulfonates, in particular dodecylbenzenesulfonate, but also C 8 -C 18 alkanesulfonates, C 8 -C 18 - ⁇ -olefin sulfonates, sulfonated C 8 -C 18 fatty acids, C 8 -C 22 carboxamide ether sulfates, sulfosuccinic acid mono-C r C 12 alkyl esters, C 8 -C 18 alkyl polyglycol ether carboxylates, C 8 -C 18 N acyl taurides, C 8 -C 18 N sarcosinates and C 8 -C 18 alky
  • compositions contain anionic surfactants in amounts, based on the composition, of 0 to 30% by weight, preferably 0.1 to 20% by weight, in particular 1 to 14% by weight, extremely preferably 2 to 10% by weight. %.
  • the agents according to the invention can also contain soaps, ie alkali metal or ammonium salts of saturated or unsaturated C 6 -C 22 fatty acids.
  • the soaps can be used in an amount of up to 5% by weight, preferably from 0.1 to 2% by weight.
  • Suitable amphoteric surfactants are, for example, betaines of the formula (R 3 ) (R 4 ) (R 5 ) N + CH 2 COO " , in which R 3 is an alkyl radical with 8 to 25, preferably 10 to 21, carbon atoms which is optionally interrupted by heteroatoms or heteroatom groups and R 4 and R 5 are identical or different alkyl radicals having 1 to 3 carbon atoms, in particular C 10 -C 18 -alkyl-dimethylcarboxymethylbetaine and C ⁇ r C 17 -alkylamidopropyl-dimethylcarboxymethylbetaine.
  • the compositions contain amphoteric surfactants in quantities, based on the composition, from 0 to 15% by weight, preferably 0.01 to 10% by weight, in particular 0.1 to 5% by weight.
  • Suitable cationic surfactants include the quaternary ammonium compounds of the formula (R 6 ) (R 7 ) (R 8 ) (R 9 ) N + X " , in which R 6 to R 9 represent four identical or different types, in particular two long and two short-chain, alkyl radicals and X " for an anion, in particular a Ha- logenidion, are, for example, didecyldimethylammonium chloride, alkylbenzyldidecylammonium chloride and mixtures thereof.
  • the compositions contain cationic surfactants in amounts, based on the composition, of 0 to 10% by weight, preferably 0.01 to 5% by weight, in particular 0.1 to 3% by weight.
  • the agents according to the invention contain anionic and nonionic surfactants next to one another, preferably C 8 -C 18 alkylbenzene sulfonates, C 8 -C 18 alkyl sulfates and / or C 8 -C 18 alkyl ether sulfates in addition to C 8 -C 18 alkyl - Alcohol polyglycol ethers and / or alkyl polyglycosides, in particular C 8 -C 18 alkylbenzene sulfonates in addition to C 8 -C 18 alkyl alcohol polyglycol ethers.
  • anionic and nonionic surfactants next to one another preferably C 8 -C 18 alkylbenzene sulfonates, C 8 -C 18 alkyl sulfates and / or C 8 -C 18 alkyl ether sulfates in addition to C 8 -C 18 alkyl alcohol polyglycol ethers.
  • the agents according to the invention can also contain one or more other builders.
  • Suitable builders are, for example, alkali metal gluconates, nitrilotriacetates, carbonates and bicarbonates, in particular sodium gluconate and nitrilotriacetate, and sodium and potassium carbonate and bicarbonate, and also alkali metal and alkaline earth metal hydroxides, in particular sodium and potassium hydroxide, ammonia and amines. in particular mono- and triethanolamine, or mixtures thereof.
  • compositions contain builders in amounts, based on the composition, of 0 to 20% by weight, preferably 0.01 to 12% by weight, in particular 0.1 to 8% by weight, extremely preferably 0.3 to 5 % By weight.
  • the builders also act as phase separation aids.
  • a particularly preferred builder is potassium hydroxide, since it has a particularly positive effect on the phase separation, the clarity and color brilliance of the phases as well as the sharpness and low or low haze of the phase boundary layer.
  • the agents according to the invention can contain further auxiliaries and additives as are customary in such agents.
  • auxiliaries and additives include in particular polymers, soil release agents, solvents (e.g. ethanol, isopropanol, glycol ether), solubilizers, hydrotropes (e.g. cumene sulfonate, octyl sulfate, butyl glucoside, butyl glycol), cleaning enhancers, viscosity regulators (e.g.
  • polysaccharides such as polysaccharides, polyacrylates, in naturally occurring polymers and their derivatives such as xanthan gum, other polysaccharides and / or gelatin), disinfectants, antistatic agents, preservatives, bleaching systems, enzymes, perfume, colorants and fragrances as well as opacifiers or skin protection agents, as described in EP-A-522 556.
  • the amount of such additives is usually not more than 12% by weight in the cleaning agent. The lower limit of use depends on the type of additive and can be up to 0.001% by weight and below, for example in the case of dyes.
  • the amount of auxiliaries is preferably between 0.01 and 7% by weight, in particular 0.1 and 4% by weight.
  • the compositions contain one or more perfumes in an amount of 0.1 to 5, preferably 0.2 to 3, in particular 0.5 to 2, particularly preferably 1 to 1.5% by weight .
  • a hydrophobic component is used at the same time, the perfume and the hydrophobic component are predominantly in the same phase, which is generally the upper phase II.
  • This has the advantageous effect of an intensified fragrance experience when smelling on a container which is open or open at the top and contains such an agent according to the invention.
  • Perfumes also influence the phase separation properties of the agents according to the invention with their essential oils, the ratio of phase I to phase II generally shifting in favor of phase I with increasing perfume content.
  • the pH of the agents according to the invention can be varied over a wide range, but a range from 2.5 to 12, in particular 5 to 10.5, is preferred.
  • the pH of the agents according to the invention means the pH of the medium in the form of the temporary emulsion.
  • the agents are alkaline with a pH of 8 to 12, preferably 8.5 to 11.5, in particular 9 to 11, most preferably 9.3 to 10.5.
  • Suitable pH regulators are, on the one hand, mineral acids, for example hydrochloric acid, but especially citric acid, and, on the other hand, the above-mentioned alkaline builders, preferably sodium hydroxide, but especially because of the advantages already mentioned, potassium hydroxide.
  • the agent according to the invention contains, in a particular embodiment, small amounts of corresponding buffer substances, for example soda in the alkaline embodiment described.
  • the agents according to the invention can be mixed directly from their raw materials. subsequent mixing and final standing of the agent for separating the temporary emulsion.
  • the agent according to the invention is sprayable and can therefore be used in a spray dispenser.
  • Another object of the invention is accordingly a product containing an agent according to the invention and a spray dispenser.
  • the spray dispenser is preferably a manually activated spray dispenser, in particular selected from the group comprising aerosol spray dispensers, self-building spray dispensers, pump spray dispensers and trigger spray dispensers, in particular pump spray dispensers and trigger spray dispensers with a container made of transparent polyethylene or polyethylene terephthalate.
  • Spray dispensers are described in greater detail in WO 96/04940 (Procter & Gamble) and the US patents cited therein for spray dispensers, all of which are referred to in this regard and the contents of which are hereby incorporated into this application.
  • the agents according to the invention are used, for example, in such a way that the agent temporarily converted into an emulsion by shaking in amounts of about 1.5 to 10 g per m 2 , in particular 3 to 7 g per m 2 , onto the surface to be cleaned applies and immediately wipes this surface with an absorbent soft object and thereby cleans it.
  • the agents are applied, for example, with the aid of suitable spraying devices, in particular a spray dispenser or a product according to the invention, in order to achieve a distribution which is as uniform as possible. Sponges or cloths, which can be rinsed out with water from time to time when treating larger areas, are particularly suitable for wiping.
  • suitable spraying devices in particular a spray dispenser or a product according to the invention
  • Agents E1 to E6 according to the invention and comparative agent V1 were prepared as described above. Table 1 shows their compositions in% by weight, their pH and, for E1 to E6, the quantified volume ratio of lower phase I to upper phase II. The lower phase I also accounted for slightly more than half of the total volume in V1.
  • agents E1 to E6 and V1 contained 0.05% by weight of glutaraldehyde as a preservative and, with the exception of E5, also small amounts of dye, which colored the lower phase turquoise and the upper phase blue.
  • volume ratio phase I 60:40 60:40 70:30 60:40 70:30 60:40 70:30 60:40 70:30 60:40
  • the cleaning effect was tested in accordance with the quality standards for floor care and cleaning agents of the Industrial Association for Cleaning and Care Products. V. (IPP), Frankfurt / M. (Soaps - oils - fats - waxes 1986, 112, 371-372).
  • the test was carried out with 10 ml diluted test substance with a concentration of 1, 5 or 6 ml / l and soiling 2 as well as with 6 ml undiluted test substance and a soiling from oil, fat, white spirit and a carbon black / pigment mixture.
  • the method is based on wiping a white dirt carrier treated with test dirt under defined conditions with a sponge soaked in the test material and measuring the cleaning effect photoelectrically against the untreated white dirt carrier.
  • the whiteness measurement was carried out using a Micro-Color color difference measuring device from Dr. Lange, D-40549 Düsseldorf, performed with averaging over 21 measured values per test strip.
  • the cleaning power was determined in each case in a triple determination and is given in Table 2 as the relative cleaning power RV re , in% for the two dilutions and the undiluted form.
  • the agent E7 according to the invention not only showed a consistently better cleaning ability than the builder-free comparison agent V1, but was also at least as good in its cleaning ability as other builder-containing comparison agents V2 to V6 and in most cases even superior, this superiority being particularly clear when used undiluted on stubborn stains becomes.

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un produit de nettoyage aqueux liquide multiphase contenant des tensioactifs. Ce produit est composé d'au moins deux phases continues, à savoir au moins une phase I aqueuse inférieure et une phase II aqueuse supérieure non miscible à la phase I. Ce produit se transforme temporairement en émulsion par secouage, contient de l'acide citrique et/ou au moins un citrate et peut être utilisé pour le nettoyage de surfaces dures. Il est obtenu par mélange directe de ses matières premières puis par mélange vigoureux et enfin par la pose du produit aux fins de séparation de l'émulsion temporaire. On utilise comme agent séparateur de phases et/ou pour réduire les troubles dans la zone limite entre les phases I et II, de l'acide citrique et/ou au moins un citrate dans un produit de nettoyage aqueux liquide multiphase qui contient des tensioactifs, qui est composé d'au moins deux phases continues, à savoir la ou les phase(s) I aqueuse(s) inférieure(s) et une phase II aqueuse supérieure non miscible avec cette/ces phase(s) et qui se transforme temporairement en une émulsion par secouage. On peut également les utiliser dans un procédé de production du produit.
EP99964566A 1998-12-23 1999-12-14 Produit de nettoyage aqueux multiphase Withdrawn EP1141225A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19859774 1998-12-23
DE1998159774 DE19859774A1 (de) 1998-12-23 1998-12-23 Wäßriges mehrphasiges Reinigungsmittel
PCT/EP1999/009895 WO2000039270A1 (fr) 1998-12-23 1999-12-14 Produit de nettoyage aqueux multiphase

Publications (1)

Publication Number Publication Date
EP1141225A1 true EP1141225A1 (fr) 2001-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99964566A Withdrawn EP1141225A1 (fr) 1998-12-23 1999-12-14 Produit de nettoyage aqueux multiphase

Country Status (8)

Country Link
EP (1) EP1141225A1 (fr)
AR (1) AR021990A1 (fr)
AU (1) AU3038400A (fr)
CA (1) CA2292967A1 (fr)
CO (1) CO5211009A1 (fr)
DE (1) DE19859774A1 (fr)
TN (1) TNSN99250A1 (fr)
WO (1) WO2000039270A1 (fr)

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DE19945503A1 (de) * 1999-09-23 2001-04-05 Henkel Kgaa Mehrphasiges Reinigungsmittel mit antimikrobieller Wirkung
DE19951635A1 (de) * 1999-10-26 2001-05-17 Henkel Kgaa Wäßriges mehrphasiges Reinigungsmittel
DE10060096A1 (de) * 2000-12-02 2002-07-04 Henkel Kgaa Mehrphasiges Wasch- und Reinigungsmittel mit Bleiche
DE10062045A1 (de) * 2000-12-13 2002-06-27 Henkel Kgaa Verschiedenfarbiges wässriges mehrphasiges Reinigungsmittel
DE10119923A1 (de) * 2001-04-23 2002-10-24 Henkel Kgaa Mehrphasiges Konditioniermittel
US7448556B2 (en) 2002-08-16 2008-11-11 Henkel Kgaa Dispenser bottle for at least two active fluids
US9452457B2 (en) 2012-01-18 2016-09-27 Nch Corporation Composition, system, and method for treating water systems
US9707520B2 (en) 2012-01-18 2017-07-18 Nch Corporation Composition, system, and method for treating water systems
WO2022182690A1 (fr) 2021-02-26 2022-09-01 The Procter & Gamble Company Composition de détergent liquide pour laver la vaisselle à la main
EP4050088A1 (fr) 2021-02-26 2022-08-31 The Procter & Gamble Company Composition de détergent liquide pour lavage de la vaisselle à la main

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Publication number Publication date
CO5211009A1 (es) 2002-10-30
WO2000039270A1 (fr) 2000-07-06
TNSN99250A1 (fr) 2001-12-31
AR021990A1 (es) 2002-09-04
AU3038400A (en) 2000-07-31
DE19859774A1 (de) 2000-06-29
CA2292967A1 (fr) 2000-06-23

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