EP1969110B1 - Purificateur en aerosol a effet d'inhibition de la corrosion - Google Patents

Purificateur en aerosol a effet d'inhibition de la corrosion Download PDF

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Publication number
EP1969110B1
EP1969110B1 EP06829763A EP06829763A EP1969110B1 EP 1969110 B1 EP1969110 B1 EP 1969110B1 EP 06829763 A EP06829763 A EP 06829763A EP 06829763 A EP06829763 A EP 06829763A EP 1969110 B1 EP1969110 B1 EP 1969110B1
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EP
European Patent Office
Prior art keywords
aerosol
corrosion
surfactants
use according
acid
Prior art date
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Revoked
Application number
EP06829763A
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German (de)
English (en)
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EP1969110A1 (fr
Inventor
Michael Dreja
Daniela Poethkow
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • 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
    • C11D17/0043—For use with aerosol devices
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0073—Anticorrosion 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
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the subject of this application is the use of a nanoparticulate colloidal silica as a corrosion inhibitor in aqueous compositions stored in aerosol spray cans.
  • aerosol containers for spraying cleaning agents
  • the use of an aerosol cleaner offers many advantages.
  • the cleaning agent is distributed evenly on the surface of the application, furthermore it can be dosed easily and easily controlled, and the consumption of cleaning agent is lower.
  • a cleaning foam can also be produced.
  • the use of aerosol cleaning foams is particularly advantageous if active ingredients are to be applied in a particularly uniform and finely distributed manner or are to be redistributed or incorporated optically recognizable after application.
  • An example of this is the carpet cleaning, in which aerosol foams are widely used, because a uniform spraying, incorporation and. Drying of the foam and a subsequent suction are required.
  • US 2004/0144406 and WO 98/04 666 offerable spray cleaner for carpets.
  • Aerosol containers are generally made of aluminum or sheet steel. Interior painting can help prevent corrosion. However, the interior painting is expensive to apply and more expensive the manufacturing process. Steel sheets are usually provided with a thin tin coating, which has a higher corrosion barrier against cleaning formulations (especially against chloride ions, including surfactants, and against acids and bases) than the pure steel sheet. However, there is a risk that the tinning is not applied absolutely evenly. In this case, it can lead to defects to so-called pitting. If the tin layer is no longer intact, forms an electrochemical element and a flow of corrosion current at the contact point of both metals, so that a continuous destruction of the steel begins, which can lead to the formation of holes. For this reason, cleaner formulations that are stored in aerosol packaging are added to corrosion inhibitors, see, for example US 5,462,727 ,
  • Common corrosion inhibitors used in amounts of 0.01 to 5 wt .-% for example, alkali metal nitrites and benzoates, borates, alkanolamines and amides, amine compounds such as morpholine, amides or silicones.
  • nitrites and borates are not timely agents due to their chemical irritation; Amines and amides, however, are often not sufficiently effective to prevent corrosion of the aerosol container in the long term.
  • the question arose for an effective, low-irritation corrosion inhibitor which is compatible with common aerosol cleaning formulations.
  • colloidal, particulate silica having particle sizes of 2-50 nm, preferably 5 to 20 nm, in particular 8 to 12 nm, leads to cleaning formulations for permanent inhibition of the corrosion of tin-coated steel sheet aerosol containers, the effect of other, previously known corrosion inhibitors significantly exceeds.
  • This is not limited to carpet cleaners, but can also be used for other aerosol formulations based on water, such as air fresheners, impregnants, furniture care, all-purpose cleaners, deodorants, hair sprays, glass cleaners, sprayable butter, etc. advantageous.
  • the subject of this invention is therefore the use of a nanoparticulate colloidal silica as a corrosion inhibitor in aqueous compositions stored in aerosol spray cans.
  • this corrosion inhibitor is used in carpet cleaners.
  • the intimiditessmitlel can be filled into commercial aerosol containers. Particular preference is given to using containers made of tin-plated steel sheet.
  • the carpet cleaner is used in a carpet cleaning process in which the agent is sprayed evenly on the carpet to be cleaned and optionally incorporated with the aid of a brush or other cleaning aid, then dried and then removed with the vacuum cleaner from the carpet.
  • 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.
  • 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 or their derivatives which are obtainable, for example, by the ROELEN's oxo synthesis can also be used correspondingly.
  • alkaline earth metals are mentioned as counter ions for monovalent anions, this means that the alkaline earth metal, of course, only in the half - sufficient for charge balance - amount of substance as the anion is present.
  • Substances which also serve as ingredients of cosmetic products are hereinafter referred to as appropriate according to the International Nomenclature Cosmetic Ingredient (INCI) nomenclature.
  • INCI International Nomenclature Cosmetic Ingredient
  • the INCI names are the " International Cosmetic Ingredient Dictionary and Handbook, Seventh Edition (1997 issued by The Cosmetic, Toiletry and Fragrance Association (CTFA), 1101, 17 th Street NW, Suite 300, Washington, DC, 20036, USA, and more than 9,000 INCI names and references to more than 37,000 Includes trade names and technical names including associated distributors from over 31 countries
  • the International Cosmetic Ingredient Dictionary and Handbook assigns one or more chemical classes (Chemical Classes) to the ingredients, such as “Polymeric Ethers”, and one or more functions, for example “Surfactants - Cleansing Agents", to which it will be further explained, and where appropriate also referred to below.
  • the indication CAS means that the following sequence of numbers is a name of the Chemical Abstracts Service. Unless otherwise stated, amounts given are percentages by weight (% by weight) of the total composition. These percentages refer to active contents.
  • a colloidal nanoparticulate silica is used, in particular a colloidal silica sol.
  • Colloidal nanoparticulate silica sols for the purposes of this invention are stable dispersions of amorphous particulate silicon dioxide SiO 2 having particle sizes in the range from 1 to 100 nm. The particle sizes are preferably in the range from 2 to 50 nm, more preferably from 5 to 20 nm, in particular from 8 to 12 nm.
  • an example of a silica sol, which is suitable to be used for the purposes of this invention is that available under the trade name Bindzil ® 30/360 from Akzo silica sol having a particle size of 9 nm.
  • silica sols are Bindzil ® 15/500, 30/220, 40/200 (Akzo), Nyacol ® 215, 830, 1430, 2034DI and Nyacol ® DP5820, DP5480, DP5540 etc.
  • Levasil ® 100/30 , 100F / 30, 100S / 30, 200/30, 200F / 30, 300F / 30, VP 4038, VP 4055 (HC Starck / Bayer) or CAB-O-SPERSE ® PG 001, PG 002 (aqueous dispersion of CAB -O-SIL ®, Cabot), Quartron PL-1, PL-3 (FusoChemical Co.), Köstrosol 0830, 10 30, 1430 (Chemiewerk Bad Köstritz). It can work with the silica sols used also be surface-modified silica treated with sodium aluminate (alumina-modified silica).
  • the carpet cleaning composition advantageously comprises one or more surfactants, preferably those selected from the group consisting of anionic surfactants, nonionic surfactants and mixtures thereof, in amounts of from 0.1 to 10% by weight, preferably from 1 to 5% by weight.
  • surfactants preferably those selected from the group consisting of anionic surfactants, nonionic surfactants and mixtures thereof, in amounts of from 0.1 to 10% by weight, preferably from 1 to 5% by weight.
  • Suitable anionic surfactants are preferably C 8 -C 18 -alkylbenzenesulfonates, in particular having about 12 C atoms in the alkyl moiety, C 8 -C 20 -alkanesulfonates, C 10 -C 20 -alkyl sulfates (fatty alcohol sulfates), C 8 -C 18 -alkyl polyglycol ether sulfates (Fatty alcohol ether sulfates) with 2 to 10 ethylene oxide (EO) and / or propylene oxide (PO) units in the ether part and sulfosuccinic mono- and di-C 8 -C 18 -alkyl esters.
  • C 8 -C 18 -alkylbenzenesulfonates in particular having about 12 C atoms in the alkyl moiety
  • C 8 -C 20 -alkanesulfonates C 10 -C 20 -alkyl sulfates (fatty alcohol
  • C 8 -C 18 - ⁇ -olefinsulfonates sulfonated C 8 -C 18 -fatty acids, in particular dodecylbenzenesulfonate, C 8 -C 22 -Carbonklareamidethersulfate, C 8 -C 18 -Alkylpolyglykolethercarboxylate, C 8 -C 18 -N-Acyltauride , C 8 -C 18 -N sarcosinates and C 8 -C 18 -alkyl isethionates or mixtures thereof.
  • the anionic surfactants are preferably used as sodium salts, but may also be present as other alkali 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 and alkyl sulfates also in the form of their corresponding acid, eg dodecylbenzenesulfonic acid.
  • surfactants examples include sodium lauryl sulfate, sodium lauryl ether sulfate with 2 EO, sodium sec-alkanesulfonate having about 15 C atoms, sodium lauroyl sarcosinate or sodium dioctylsulfosuccinate.
  • C 8 -C 18 -alcohol polyglycol ethers ie ethoxylated and / or propoxylated alcohols having 8 to 18 C atoms in the alkyl moiety and 2 to 15 ethylene oxide (EO) and / or propylene oxide units (PO), C 8 - are especially nonionic surfactants.
  • C 18 -carboxylic acid polyglycol esters having 2 to 15 EO, for example tallow fatty acid + 6-EO esters, ethoxylated fatty acid amides having 12 to 18 C atoms in the fatty acid part and 2 to 8 EO, long-chain amine oxides having 14 to 20 C atoms and long-chain alkylpolyglycosides with 8 to 14 carbon atoms in the alkyl moiety and 1 to 3 glycoside units mentioned above.
  • surfactants examples include oleyl-cetyl-alcohol with 5 EO, nonylphenol with 10 EO, lauric acid diethanolamide, cocoalkyldimethylamine oxide or lauryldimethylamine oxide and cocoalkylpolyglucoside with on average 1.4 glucose units.
  • end-capped C 8 -C 18 -alkyl alcohol polyglycol ethers can also be used, ie compounds in which the usually free OH group of the C 8 -C 18 -alkyl alcohol polyglycol ethers has been etherified.
  • Nitrogen-containing surfactants may be present as further nonionic surfactants, for example fatty acid polyhydroxyamides, for example glucamides, and ethoxylates of alkylamines, vicinal diols and / or carboxamides, the alkyl groups having 10 to 22 C atoms, preferably 12 to 18 C atoms, have.
  • the degree of ethoxylation of these compounds is generally between 1 and 20, preferably between 3 and 10.
  • the agent according to the invention contains at least one amine oxide.
  • the agent according to the invention may also contain cationic surfactants and / or amphoteric surfactants.
  • Suitable amphoteric surfactants are, for example, betaines of the formula (R iii ) (R IV ) (R v ) N + CH 2 COO - , in which R iii is an alkyl radical optionally interrupted by hetero atoms or heteroatom groups having 8 to 25, preferably 10 to 21 carbon atoms and R iv and R v are identical or different alkyl radicals having 1 to 3 carbon atoms, in particular C 10 -C 18 -Alkyldimethylcarboxymethylbetain and C 11 -C 17 -Alkylamidopropyl-dimethylcarboxymethylbetain.
  • the compositions contain amphoteric surfactants in amounts, based on the composition, of 0 to 10 wt.%.
  • Suitable cationic surfactants include the quaternary ammonium compounds of the formula (R vi) (R vii) (R viii) (R ix) N + X - in which R VI to R ix four identical or different, in particular two long and two short-chain, alkyl radicals and X - are an anion, in particular a halide ion, for example, didecyl-dimethyl-ammonium chloride, alkyl-benzyl-didecyl-ammonium chloride and mixtures thereof.
  • the compositions contain cationic surfactants in amounts, based on the composition, of 0 to 10 wt .-%.
  • the carpet cleaner is free of cationic and amphoteric surfactants.
  • the carpet cleaning composition may preferably further contain one or more water-soluble and / or water-miscible organic solvents.
  • Suitable solvents are, for example, saturated or unsaturated, preferably saturated, branched or unbranched C 1-20 hydrocarbons, preferably C 2-15 hydrocarbons, having at least one hydroxyl group and optionally one or more ether functions COC, ie the carbon atom chain interrupting oxygen atoms.
  • Preferred solvents are the - optionally unilaterally etherified with a C 1-6 alkanol - 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 C 1-6 alcohols.
  • Exemplary solvents are the following compounds named INCI: Alcohol (ethanol), buteth-3, butoxy diglycol, butoxyisopropanol, butoxypropanol, n-butyl alcohol, t-butyl Alcohol, butylenes glycol, butyloctanol, diethylenes glycol, dimethoxydiglycol, dimethyl ether, dipropylene glycol, ethoxydiglycol, ethoxyethanol, ethyl hexanediol, glycol, hexanediol, 1,2,6-hexanetriol, hexyl alcohol, hexylenes glycol, isobutoxypropanol, isopentyldiol, 3-methoxybutanol , Methoxydiglycol, Methoxyethanol, Methoxyisopropanol, Methoxymethylbutanol, Methoxy PEG-10, Methylal, Methyl Alcohol, Methyl Hexy
  • Preferred solvents which can be used among the glycols and glycol ethers are, for example, butyl glycol (INCI butoxy ethanol, ethylene glycol butyl ether), diethylene glycol, dipropylene glycol or else propylene glycol;
  • the agent according to the invention contains water-soluble and / or water-miscible organic solvents, preferably in amounts of from 0.01 to 10% by weight, preferably from 0.1 to 8% by weight, in particular from 1 to 6% by weight.
  • the agent according to the invention may contain further ingredients.
  • these include in particular salts, polymers, builder components; pH adjusters, acids, bases, waxes, foam inhibitors, foam stabilizers, fragrances, preservatives, disinfectants, thickeners, bleaches, color transfer inhibitors, dye fixatives, soil release agents, soil repellent agents, enzymes, silicones, wetting agents, UV stabilizers, Vaccinants, odor killers, anti-mite agents, anti-mosquito agents, anti-allergy agents, antimicrobial agents, antibacterial agents, antistatic agents and mixtures thereof.
  • the cleaning agent may further contain one or more water-soluble, inorganic and / or organic salts.
  • Useful inorganic salts are preferably selected from the group consisting of colorless water-soluble halides, sulfates, sulfites, carbonates, bicarbonates, nitrates, nitrites, phosphates and / or oxides of the alkali metals, alkaline earth metals, aluminum and / or transition metals; Furthermore, ammonium salts can be used. Particularly preferred are halides and sulfates of the alkali metals; Preferably, therefore, the inorganic salt is selected from the group comprising sodium chloride, potassium chloride, sodium sulfate, potassium sulfate and mixtures thereof.
  • the usable organic salts are in particular colorless water-soluble alkali metal, alkaline earth metal, ammonium, aluminum and / or transition metal salts the carboxylic acids.
  • the salts are selected from the group comprising formate, acetate, propionate, citrate, malate, tartrate, succinate, malonate, oxalate, lactate and mixtures thereof.
  • the polymers which can be used in detergents include, in particular, those having soil release or soil repellent properties, but also those which can be used, for example, as thickeners, defoamers or antiallergic active ingredients, and also other polymers which can usually be employed in cleaners.
  • Soil release and soil repellent polymers are, for example, polymers with perfluorinated side-tack, methacrylic homo- and copolymers, polyamines, in particular alkoxylated polyamines, N-vinyl polymers, for example polyvinylpyrrolidones, polycarboxylates, in particular polyacrylates or acrylic acid-maleic acid copolymers, cellulose derivatives or Copolymers of ethylene terephthalate.
  • Polymeric thickeners are the polyelectrolytes thickening polycarboxylates, preferably homo- and copolymers of acrylic acid, in particular acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers, and the polysaccharides, especially heteropolysaccharides, and other conventional thickening polymers.
  • acrylic acid copolymers such as acrylic acid-methacrylic acid copolymers
  • polysaccharides especially heteropolysaccharides, and other conventional thickening polymers.
  • examples of polymeric thickeners are in particular polysaccharide gums such as xanthan gum or guar gum, but also polyacrylates.
  • Further advantageously usable polymers are polyethylene glycols.
  • polymer-surfactant mixtures can be used, as they are offered by various manufacturers.
  • the raw material Akypogene KTS (Kao), a mixture of a Natriumlaurylethercarboxylat and ammonium polyacrylate , which is particularly well suited for filling in aerosol cans, a preferred ingredient.
  • the polymer draws on the carpet fiber and thus reduces the tendency to repellency.
  • the polymer binds the surfactant used, so that it becomes brittle and thus easier to remove with the vacuum cleaner.
  • the agents may contain volatile alkali.
  • ammonia and / or alkanolamines which may contain up to 9 C atoms in the molecule, are used.
  • alkanolamines the ethanolamines are preferred and of these in turn the monoethanolamine.
  • the cleaning agents according to the invention may also contain small amounts of bases.
  • Preferred bases are selected from the group of alkali and alkaline earth metal hydroxides and carbonates, in particular the alkali metal hydroxides, of which potassium hydroxide and especially sodium hydroxide is particularly preferred.
  • Alkali or bases are used primarily to set a pH between 8.5 and 10.5.
  • Alkaline agents may additionally contain carboxylic acids in addition to the volatile alkali.
  • Suitable carboxylic acids having up to 6 carbon atoms, which may be mono-, di- or polycarboxylic acids.
  • suitable carboxylic acids are acetic acid, glycolic acid, lactic acid, citric acid, succinic acid, adipic acid, malic acid, tartaric acid and gluconic acid, of which acetic acid, citric acid and lactic acid are preferably used.
  • the cleaning agent preferably contains one or more propellants ( INCI propellants) usually in an amount of 1 to 80% by weight, preferably 1.5 to 30% by weight, in particular 2 to 10% by weight, particularly preferably 2.5 to 8 wt .-%, most preferably 3 to 6 wt .-%.
  • INCI propellants usually in an amount of 1 to 80% by weight, preferably 1.5 to 30% by weight, in particular 2 to 10% by weight, particularly preferably 2.5 to 8 wt .-%, most preferably 3 to 6 wt .-%.
  • Propellants are usually propellants, in particular liquefied or compressed gases.
  • the choice depends on the product to be sprayed and the field of application.
  • compressed gases such as nitrogen, carbon dioxide or nitrous oxide, which are generally insoluble in the liquid detergent, the operating pressure decreases with each valve actuation.
  • liquefied gases liquefied gases
  • blowing agents are accordingly: butanes, carbon dioxides, dimethyl carbonates, dimethyl ether, ethanes, hydrochlorofluorocarbon 22, hydrochlorofluorocarbon 142b, hydrofluorocarbon 152a, hydrofluorocarbon 134a, hydrofluorocarbon 227ea, isobutanes, isopentanes, nitrogen, nitrous oxides, pentanes, propanes.
  • Chlorofluorocarbons chlorofluorocarbons, CFCs
  • propellant are, however, preferably largely and in particular completely dispensed with because of their harmful effect on the ozone shield of the atmosphere, which protects against hard UV radiation, the so-called ozone layer.
  • blowing agents are liquefied gases.
  • Liquefied gases are gases that can be converted from the gaseous to the liquid state at usually already low pressures and 20 ° C.
  • under liquefied gases are the hydrocarbons propane, propene, butane, butene, isobutane (2-methylpropane), isobutene (2-methylpropene), which are obtained in oil refineries as by-products from distillation and cracking of petroleum and in natural gas treatment during gasoline separation. Isobutylene) and mixtures thereof.
  • the cleaning agent contains propane, butane and / or isobutane as one or more blowing agents, in particular propane and butane, more preferably propane, butane and Isobutane.
  • propane, butane and isobutane contain, based on the mixture, from 23 to 28.5% by weight of propane and in total from 71.5 to 77% by weight of butane and isobutane, in particular from 23 to 28.4% by weight of propane , 0.1 to 5 wt .-% of butane and 71.5 to 76.9 wt .-% of isobutane, for example -25 wt .-% of propane and a total of 75 wt .-% of butane and isobutane.
  • Butane, and mixtures of propane and butane and of propane, butane and isobutane are, for example, under the trade name Drivosol ® by the company. Oxeno (DE) and Degussa-Hüls (DE) available.
  • the agent can be filled in commercial aerosol containers made of aluminum or steel sheet, as they are offered by various manufacturers. However, aerosol containers made of tinned sheet steel are particularly preferably used.
  • the agent is used in a carpet cleaning process.
  • the cleaning agent is first applied by spraying from an aerosol container on the soiled surface. If appropriate, it is then incorporated with the aid of a brush or another suitable for cleaning aid or substrate. Then the agent dries and is finally removed with the vacuum cleaner together with the dirt.
  • a formulation E1 was prepared, filled into aerosol containers and their corrosion resistance checked. The same procedure was used for two comparative formulations V1 and V2 which did not contain colloidal silica.
  • the compositions are given in the table below, wherein the amounts are in wt .-% of the raw material used, based on the composition.
  • raw material E1 V1 V2 lauryl dimethyl 3.3 3.3 3.3 ethanol 5 5 5 Perfume 0.15 0.15 0.15 Colloidal silica 0.3 - - Ether carboxylic acid / acrylate mixture a 11 11 - Acrylic acid / styrene copolymer - - 8.5 Sodium lauryl sarcosinate - - 1 Dest.
  • the three formulations were filled into tin-coated steel cans (tinplate tin d 65 x 240 NI 15 bar, capacity 600 ml) with propane / butane (Drivosol 3.5 bar) as propellant and a storage test under controlled conditions (12 months 20 ° C, 6 months 40 ° C).
  • the containers were opened after 3, 6 and 12 months and examined for corrosion.
  • the doses filled with the formulation E1 had no dezinnation or corrosion in the headspace, in the mantle and in the bottom area.
  • the cans were absolutely bright inside and showed no attack by the contained cleaner.
  • the comparative formulation V1 degeneration and corrosion in the head space as well as the shell and bottom area had to be determined.
  • the comparative formulation V2 did not lead to any corrosion in the head space and the shell and bottom area, however, the cans showed a strong decontamination in the contact area with the formulation.

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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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Claims (7)

  1. Utilisation d'une silice colloïdale nanoparticulaire à titre d'inhibiteur de la corrosion dans des compositions aqueuses qui sont conservées dans des bombes aérosols.
  2. Utilisation selon la revendication 1, dans laquelle, en ce qui concerne la composition aqueuse, il s'agit d'un agent de nettoyage des tapis.
  3. Utilisation selon la revendication 2, caractérisée en ce que la silice présente une granulométrie de 2 à 50 nm, de préférence de 5 à 20 nm, en particulier de 8 à 12 nm.
  4. Utilisation selon l'une quelconque des revendications 2 et 3, caractérisée en ce que l'agent de nettoyage des tapis contient un ou plusieurs agents tensioactifs dans des quantités de 0 à 10 % en poids, de préférence de 1 à 5 % en poids.
  5. Utilisation selon la revendication 4, caractérisée en ce que les agents tensioactifs sont choisis de préférence parmi le groupe comprenant des agents tensioactifs anioniques, des agents tensioactifs non ioniques et des mélanges desdits agents tensioactifs.
  6. Utilisation selon l'une quelconque des revendications 2 à 5, caractérisée en ce que l'agent de nettoyage des tapis contient en outre un ou plusieurs solvants solubles dans l'eau et/ou miscibles à l'eau.
  7. Utilisation selon l'une quelconque des revendications 2 à 6, caractérisée en ce que l'on ajoute, à l'agent de nettoyage des tapis, un ou plusieurs agents propulseurs, de préférence du propane et/ou du butane.
EP06829763A 2006-01-02 2006-12-20 Purificateur en aerosol a effet d'inhibition de la corrosion Revoked EP1969110B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006000691A DE102006000691A1 (de) 2006-01-02 2006-01-02 Aerosol-Reiniger mit korrosionsinhibierender Wirkung
PCT/EP2006/012282 WO2007076930A1 (fr) 2006-01-02 2006-12-20 Purificateur en aerosol a effet d'inhibition de la corrosion

Publications (2)

Publication Number Publication Date
EP1969110A1 EP1969110A1 (fr) 2008-09-17
EP1969110B1 true EP1969110B1 (fr) 2012-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829763A Revoked EP1969110B1 (fr) 2006-01-02 2006-12-20 Purificateur en aerosol a effet d'inhibition de la corrosion

Country Status (5)

Country Link
US (1) US20090018044A1 (fr)
EP (1) EP1969110B1 (fr)
AT (1) ATE546514T1 (fr)
DE (1) DE102006000691A1 (fr)
WO (1) WO2007076930A1 (fr)

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US8927474B2 (en) 2012-03-16 2015-01-06 S.C. Johnson & Son, Inc. Compressed gas aerosol composition in steel can
US9237216B2 (en) * 2013-03-11 2016-01-12 Intel Corporation Techniques for wirelessly docking to a device
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EP1969110A1 (fr) 2008-09-17
DE102006000691A1 (de) 2007-07-05
US20090018044A1 (en) 2009-01-15
WO2007076930A1 (fr) 2007-07-12
ATE546514T1 (de) 2012-03-15

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