EP1200549B1 - Detergent for glass-ceramic surfaces - Google Patents
Detergent for glass-ceramic surfaces Download PDFInfo
- Publication number
- EP1200549B1 EP1200549B1 EP00953091A EP00953091A EP1200549B1 EP 1200549 B1 EP1200549 B1 EP 1200549B1 EP 00953091 A EP00953091 A EP 00953091A EP 00953091 A EP00953091 A EP 00953091A EP 1200549 B1 EP1200549 B1 EP 1200549B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- abrasive
- abrasive agent
- glass
- abrasives
- 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.)
- Expired - Lifetime
Links
- 239000003599 detergent Substances 0.000 title claims abstract description 20
- 239000002241 glass-ceramic Substances 0.000 title claims abstract description 15
- 239000003082 abrasive agent Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000011368 organic material Substances 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 11
- 239000011707 mineral Substances 0.000 abstract description 11
- 229920000098 polyolefin Polymers 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 15
- 239000012459 cleaning agent Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 11
- -1 polyethylene Polymers 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000004851 dishwashing Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 235000015113 tomato pastes and purées Nutrition 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 235000013882 gravy Nutrition 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 235000010493 xanthan gum Nutrition 0.000 description 2
- 239000000230 xanthan gum Substances 0.000 description 2
- 229940082509 xanthan gum Drugs 0.000 description 2
- TXPKUUXHNFRBPS-UHFFFAOYSA-N 3-(2-carboxyethylamino)propanoic acid Chemical class OC(=O)CCNCCC(O)=O TXPKUUXHNFRBPS-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002468 ceramisation Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005553 polystyrene-acrylate Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229960004029 silicic acid Drugs 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- 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
- C11D17/0013—Liquid compositions with insoluble particles in suspension
-
- 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
- C11D2111/14—Hard surfaces
-
- 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
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
Definitions
- the invention relates to a cleaning agent for glass-ceramic surfaces with a content of abrasive and a pH between 2 and 3.
- Glass-ceramic materials are polycrystalline solids produced by ceramization, i. controlled devitrification, made of glasses. Glass-ceramic products are molded by glass technology and have after a heat treatment, the properties and processability of special ceramics, in particular a very high thermal shock resistance. This latter feature makes them particularly suitable for use in cooking hobs and dishes, for which they have been increasingly used in recent years.
- a particular type of soiling involving proteins, starch and fat also includes limescale, especially in areas of high water hardness.
- acidic detergents containing abrasive substances are usually used, for example toner mixtures of different particle sizes, as described, for example, in US Pat EP 0 388 629 A1 .
- All commercially available cleaners for glass-ceramic surfaces contain as abrasives water-insoluble minerals with a typical Mohs hardness between 7 and 9. These abrasives are indeed very effective, but attack because of their hardness in many cases, the surfaces to be cleaned. This leads, especially in the case of glass ceramics, to unsightly, ie scratched, surfaces relatively quickly.
- US-A-3,645,904 suggests the use of synthetic resin particles for skin cleansers.
- the relatively soft polyolefins in particular polyethylene, polypropylene and polystyrene, are described.
- the particles have a diameter between 74 and 420 microns and their content in the product is 3 to 15 wt .-%.
- DE 16 69 094 D2 discloses detergent with 100 parts of liquid soap and 10 to 900 parts of polyethylene abrasive having a particle size of 10 to 1000 microns.
- the compositions are described as being suitable for the cleaning of hands and mild cleaning of hard surfaces, especially painted metal.
- JP (06) 033414 B2 discloses the use of from 5 to 30% by weight of organic abrasive having a particle size of from 10 to 500 microns in personal cleansers and to remove rust or carbon deposits on machines.
- organic abrasive having a particle size of from 10 to 500 microns in personal cleansers and to remove rust or carbon deposits on machines.
- abrasives described are, inter alia, polyurethanes and polyolefins. The minimum content of 5% abrasive is required by this reference for sufficient performance.
- plastic abrasives mostly to allow a mild cleaning of sensitive surfaces.
- EP 0 011 984 A1 discloses liquid alkaline detergents containing water insoluble polyvalent metal soaps to impart thixotropy and stability to the formulations.
- milled polymeric materials such as ground polyurethane foam, are referred to as abrasives.
- mineral abrasives are preferred.
- EP 0 030 986 A1 discloses a liquid hand dishwashing detergent having a pH of 6 to 11 and comprising surfactants, builders and 3 to 20% abrasives having a Mohs hardness of 2 to 7 and a particle size of 1 to 150 ⁇ m. Both inorganic and plastic materials, eg, polystyrene and polyacrylates, are disclosed for the abrasive. However, there is no concrete example of the use of plastic abrasives.
- EP 0 206 534 A1 discloses liquid alkaline detergents comprising a thickening system consisting of an inorganic colloid and an anionic fatty acid surfactant.
- inorganic materials are disclosed as abrasives, but organic materials are also mentioned in passing.
- EP 0 216 416 A2 discloses a liquid detergent containing from 1 to 50% by weight of water-soluble mild abrasive, both inorganic and organic materials being mentioned. When using organic materials, the preferred range is 5 to 15% by weight.
- the preferred abrasive used alone in the examples is calcium carbonate.
- EP 0 335 471 A1 discloses a creamy detergent with 10 to 60% by weight of an abrasive. Inorganic and organic abrasives are mentioned, with the use of the organic abrasive in particular being noted that this reduces the scratching of sensitive surfaces, for example made of plastic. However, the only abrasive that is evident in the examples is calcite.
- WO97 / 47724 A1 discloses a liquid detergent in liquid crystal form comprising up to 20% by weight of an abrasive selected from the group consisting of hydrated silica, calcite and polyethylene particles having a particle size between 200 and 500 ⁇ m. No reasons are given for a selection of these abrasives.
- plastic abrasives can be used when a milder scrubbing action is desired than with mineral abrasives, e.g. In order to protect sensitive surfaces, there is no evidence for the cleaning effect of such abrasives, especially in comparison with mineral abrasives. In addition, no acidic cleaning agent with a content of plastic abrasives is known.
- the invention is therefore based on the object to provide a generic cleaning agent with improved cleaning effect.
- this object is achieved by a generic cleaning agent in which the abrasive comprises particles of polyurethane having a particle size in a range of 100 to 1000 microns.
- the abrasive agent is preferably 20 wt .-% or, more preferably, substantially entirely of organic material.
- the invention provides that the abrasive agent in the cleaning agent according to the invention preferably with a content of 10 wt .-% or less, more preferably 5 wt .-% or less, is included.
- the organic material is present in a particle size in a range of 100 to 200 microns.
- the particle size of the organic material is preferably between 100 and 200 microns, but may also be smaller (down to 10 microns) or larger (up to 1000 microns).
- organic polyurethane When used together with inorganic abrasives (the ratio in a corresponding mixture is not particularly critical, although it is preferably at least 20% by weight of organic material), these can be selected from the whole variety of mineral compounds used hitherto Abrasivstoff are selected, such as, for example, alumina, silica, sillitin, boehmite, hydrargillite, aluminum silicate, kaolinite, etc.
- surfactants are surfactants.
- nonionic surfactants such as the entire range of fatty alcohol ethoxylates or alkyl ethoxylates
- amphoteric surfactants such as amidobetaines, betaines, alkylaminocarboxylates, iminodipropionates, etc .
- anionic surfactants such as alkyl sulfates, alkyl ether sulfates, sulfosuccinates, etc .
- cationic surfactants such as protonated alkylamines, ethoxylated alkylamines, etc.
- acid or an acid mixture preferably selected from organic acids, such as, for example, citric acid, amidosulfuric acid, glycolic acid, lactic acid, etc.
- the preferred pH for a generic cleaning agent is between 2 and 5, more preferably between 2 and third
- solvents such as isopropyl alcohol, polyethylene glycol, N-methyl-2-pyrrolidone, etc .
- Thickeners such as xanthan gum or modified organic silicates (eg Optigel WX ®);
- Care additives such as polydimethylsiloxane (having a viscosity between 100 mPas and 12500 mPas), organo-modified silicones, amino-functionalized silicones, silicone quats, polyvinylpyrrolidones, etc .; Fragrances; dyes; Preservatives, etc.
- the test method used for the cleaning effect of cleaning agents for glass-ceramic surfaces uses household-typical soiling and simulates splashes of food during their preparation.
- the temperature of the glass-ceramic surface near the heated area is typically about 200 ° C.
- the heated area itself, which reaches temperatures of up to 500 ° C, is usually not hit by splashes.
- contamination that hits areas heated to these high temperatures immediately carbonises and is therefore not suitable for providing reproducible substrates for distinctive testing.
- the glass ceramic surface (glass ceramic tiles 25x25 cm) is cleaned using an alkaline detergent (pH 10) and a hand dishwashing detergent.
- the glass ceramic tiles used are soaked in a hot solution of hand dishwashing detergent solution and limestone remover for about 2 hours. This is followed by two cycles of cleaning in a laboratory dishwasher using a chlorine-containing dishwashing detergent and deionized water (duration of one cycle about 45 minutes).
- the dirty area has the dimensions 25 x 10 cm.
- the dirt is applied using a standard squeegee.
- the soiled glass ceramic tile is subjected to a temperature of 200 ° C, the residence time in the oven varies depending on the soiling (gravy: 15 minutes, tomato puree: 12 minutes, canned milk: 7 minutes, lime spots / starch: 30 minutes) ,
- an automatic wiper device for example from Erichsen, Hemer.
- This automatic wiper works with a damp sponge, which is pressed with 300 g / 3600 mm 2 (sponge surface).
- the automatic wiper wipes at a speed of 37 strokes per minute.
- the experiment is carried out using a commercially available cleaning agent for glass-ceramic surfaces (A) and two different formulations of a cleaning agent (B and C) according to the invention.
- the tiles are evaluated independently by at least 3 trained persons.
- the tiles are rated on a scale from 0 (no cleaning effect) to 10 (completely clean).
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Detergent Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
Die Erfindung betrifft ein Reinigungsmittel für glaskeramische Oberflächen mit einem Gehalt an Abrasivmittel und einem pH-Wert zwischen 2 und 3.The invention relates to a cleaning agent for glass-ceramic surfaces with a content of abrasive and a pH between 2 and 3.
Glaskeramische Werkstoffe sind polykristalline Festkörper, die durch Keramisierung, d.h. gesteuerte Entglasung, von Gläsern hergestellt werden. Glaskeramische Produkte werden nach glastechnischen Verfahren geformt und besitzen nach einer Wärmebehandlung die Eigenschaften und Verarbeitbarkeit spezieller Keramiken, insbesondere eine sehr hohe Temperaturwechselbeständigkeit. Diese letztere Eigenschaft macht sie besonders geeignet zur Verwendung für Kochfelder und Geschirr, wofür sie in den letzten Jahren in verstärktem Maße eingesetzt werden.Glass-ceramic materials are polycrystalline solids produced by ceramization, i. controlled devitrification, made of glasses. Glass-ceramic products are molded by glass technology and have after a heat treatment, the properties and processability of special ceramics, in particular a very high thermal shock resistance. This latter feature makes them particularly suitable for use in cooking hobs and dishes, for which they have been increasingly used in recent years.
Insbesondere bei Kochfeldern aus Glaskeramik tritt eine besondere Art von Verschmutzung auf, die neben Proteinen, Stärke und Fett (z.B. Bratensauce, Tomatenpüree, Milch, Nudeln, Reis oder Kartoffeln) auch Kalkflecken umfaßt, insbesondere in Gegenden mit einem hohen Härtegrad des Wassers.Particularly in vitroceramic hobs, a particular type of soiling involving proteins, starch and fat (e.g., gravy, tomato puree, milk, pasta, rice or potatoes) also includes limescale, especially in areas of high water hardness.
Um derartige Verschmutzungen zu beseitigen, werden üblicherweise saure Reinigungsmittel mit einem Gehalt an Abrasivmitteln eingesetzt, beispielsweise Tonerdegemischen verschiedenen Teilchengrößen, wie z.B. beschrieben in
Für Körperreinigungsmittel, insbesondere Handreinigungsmittel, ist die Verwendung von Kunststoffen als Abrasivmitteln bereits seit längerem bekannt, um eine mildere, hautfreundlichere Variante zu den stark scheuernden mineralischen Abrasivmitteln zur Verfügung zu stellen.For personal cleansers, especially hand cleansers, the use of plastics as abrasives has long been known to provide a milder, skin-friendly alternative to the highly abrasive mineral abrasives.
Auch im Zusammenhang mit anderen Haushaltsreinigungsmitteln sind Abrasivmittel aus Kunststoff erwähnt, meist um eine milde Reinigung empfindlicher Oberflächen zu ermöglichen.Also in the context of other household cleaning agents are mentioned plastic abrasives, mostly to allow a mild cleaning of sensitive surfaces.
Obgleich es somit Hinweise im Stand der Technik gibt, daß Abrasivmittel aus Kunststoff eingesetzt werden können, wenn eine mildere Scheuerwirkung erwünscht ist als mit mineralischen Abrasivmitteln, z.B. um empfindliche Oberflächen zu schonen, gibt es keine Anhaltspunkte zur Reinigungswirkung derartiger Abrasivmittel, insbesondere im Vergleich mit mineralischen Abrasivmitteln. Darüberhinaus ist kein saures Reinigungsmittel mit einem Gehalt an Abrasivmittel aus Kunststoff bekannt.Thus, although there is evidence in the art that plastic abrasives can be used when a milder scrubbing action is desired than with mineral abrasives, e.g. In order to protect sensitive surfaces, there is no evidence for the cleaning effect of such abrasives, especially in comparison with mineral abrasives. In addition, no acidic cleaning agent with a content of plastic abrasives is known.
Der Erfindung liegt daher die Aufgabe zugrunde, ein gattungsgemäßes Reinigungsmittel mit verbesserter Reinigungswirkung zur Verfügung zu stellen.The invention is therefore based on the object to provide a generic cleaning agent with improved cleaning effect.
Erfindungsgemäß wird diese Aufgabe durch ein gattungsgemäßes Reinigungsmittel gelöst, bei dem das Abrasivmittel Teilchen aus Polyurethan mit einer Teilchengröße in einem Bereich von 100 bis 1000 µm umfaßt. Dabei besteht das Abrasivmittel bevorzugt zu 20 Gew.-% oder, besonders bevorzugt, im wesentlichen vollständig aus organischem Material.According to the invention, this object is achieved by a generic cleaning agent in which the abrasive comprises particles of polyurethane having a particle size in a range of 100 to 1000 microns. In this case, the abrasive agent is preferably 20 wt .-% or, more preferably, substantially entirely of organic material.
Die Erfindung sieht vor, daß das Abrasivmittel im erfindungsgemäßen Reinigungsmittel bevorzugt mit einem Gehalt von 10 Gew.-% oder weniger, besonders bevorzugt 5 Gew.-% oder weniger, enthalten ist.The invention provides that the abrasive agent in the cleaning agent according to the invention preferably with a content of 10 wt .-% or less, more preferably 5 wt .-% or less, is included.
Bevorzugt liegt das organische Material in einer Teilchengröße in einem Bereich von 100 bis 200 µm vor.Preferably, the organic material is present in a particle size in a range of 100 to 200 microns.
Völlig überraschenderweise hat sich erwiesen, daß saure Reinigungsmittel für glaskeramische Oberflächen, wie z.B. Glaskeramikkochfeldem, dann eine überlegene Reinigungswirkung zeigen, wenn das übliche mineralische Abrasivmittel teilweise oder vollständig durch Abrasivmittel aus Polyurethan ersetzt wird. Noch überraschender war, daß die Reinigungsleistung selbst bei einem niedrigen Gehalt an Abrasivmitteln von unter 10 Gew.-% im Vergleich mit handelsüblichen Reinigungsmitteln mit einem Gehalt an mineralischem Abrasivmittel von z.B. 26 Gew.-% eine überlegene Reinigungswirkung zeigte. Als zusätzlicher Vorteil ergab sich erwartungsgemäß ein stärkere Schonung der Oberflächen durch die geringere Härte und größere Teilchengröße des organischen Abrasivmittels.Quite surprisingly, it has been found that acidic cleaners for glass-ceramic surfaces, such as e.g. Glaskeramikkochfeldem, then show a superior cleaning effect, when the usual mineral abrasive is partially or completely replaced by abrasive polyurethane. Even more surprisingly, the cleaning performance was low even with a low abrasive content of less than 10% by weight compared with commercial cleaners containing mineral abrasive of e.g. 26 wt .-% showed a superior cleaning effect. As an additional advantage, it was expected that a greater protection of the surfaces resulted from the lower hardness and larger particle size of the organic abrasive.
Die Teilchengröße des organischen Materials liegt bevorzugt zwischen 100 und 200 µm, kann aber auch kleiner sein (bis hinunter zu 10 µm) oder größer (bis zu 1000 µm).The particle size of the organic material is preferably between 100 and 200 microns, but may also be smaller (down to 10 microns) or larger (up to 1000 microns).
Wenn das organische Polyurethan zusammen mit anorganischen Abrasivmitteln verwendet wird (wobei das Verhältnis in einer entsprechenden Mischung nicht besonders kritisch ist, obgleich es bevorzugt bei einem Anteil von mindestens 20 Gew.-% organischem Material liegt), können diese aus der ganzen Vielfalt bisher verwendeter mineralischer Abrasivmittel ausgewählt werden, wie bspw. Aluminiumoxid, Siliciumdioxid, Sillitin, Boehmit, Hydrargillit, Aluminiumsilikat, Kaolinit etc.When the organic polyurethane is used together with inorganic abrasives (the ratio in a corresponding mixture is not particularly critical, although it is preferably at least 20% by weight of organic material), these can be selected from the whole variety of mineral compounds used hitherto Abrasivmittel are selected, such as, for example, alumina, silica, sillitin, boehmite, hydrargillite, aluminum silicate, kaolinite, etc.
Weitere wichtige funktionale Inhaltsstoffe des erfindungsgemäßen Reinigungsmittels sind Tenside. Hierbei kommen im wesentlichen alle bekannten Tenside, die in einem sauren Medium eingesetzt werden können, in Betracht, d.h. nicht-ionische Tenside, wie bspw. der gesamte Bereich der Fettalkoholethoxylate oder Alkylethoxylate; amphotere Tenside, wie Amidobetaine, Betaine, Alkylaminocarboxylate, Iminodipropionate, etc.; und anionische Tenside, wie Alkylsulfate, Alkylethersulfate, Sulfosuccinate, etc; und kationische Tenside, wie protonierte Alkylamine, ethoxylierte Alkylamine etc..Further important functional ingredients of the cleaning agent according to the invention are surfactants. Essentially, all known surfactants that can be used in an acidic medium come into consideration, i. E. nonionic surfactants, such as the entire range of fatty alcohol ethoxylates or alkyl ethoxylates; amphoteric surfactants such as amidobetaines, betaines, alkylaminocarboxylates, iminodipropionates, etc .; and anionic surfactants such as alkyl sulfates, alkyl ether sulfates, sulfosuccinates, etc .; and cationic surfactants such as protonated alkylamines, ethoxylated alkylamines, etc.
Ein weiterer wichtiger Inhaltsstoff ist Säure oder ein Säuregemisch, bevorzugt ausgewählt aus organischen Säuren, wie bspw. Zitronensäure, Amidoschwefelsäure, Glykolsäure, Milchsäure, etc.. Der bevorzugte pH-Wert für ein gattungsgemäßes Reinigungsmittel liegt zwischen 2 und 5, besonders bevorzugt zwischen 2 und 3.Another important ingredient is acid or an acid mixture, preferably selected from organic acids, such as, for example, citric acid, amidosulfuric acid, glycolic acid, lactic acid, etc. The preferred pH for a generic cleaning agent is between 2 and 5, more preferably between 2 and third
Weitere Inhaltsstoffe, die im erfindungsgemäßen Reinigungsmittel vorgesehen sein können, sind Lösungsmittel wie Isopropylalkohol, Polyethylenglykol, N-Methyl-2-pyrrolidon, etc.; Verdickungsmittel, wie Xanthan-Gummi oder organische modifizierte Silikate (z.B. Optigel®WX); Pflegezusätze, wie Polydimethylsiloxan (mit einer Viskosität zwischen 100 mPas bis 12500 mPas), organomodifizierte Silikone, aminofunktionalisierte Silikone, Silikon-Quats, Polyvinylpyrrolidone, etc; Duftstoffe; Farbstoffe; Konservierungsmittel, etc.Other ingredients which may be provided in the cleaning agent according to the invention are solvents such as isopropyl alcohol, polyethylene glycol, N-methyl-2-pyrrolidone, etc .; Thickeners, such as xanthan gum or modified organic silicates (eg Optigel WX ®); Care additives, such as polydimethylsiloxane (having a viscosity between 100 mPas and 12500 mPas), organo-modified silicones, amino-functionalized silicones, silicone quats, polyvinylpyrrolidones, etc .; Fragrances; dyes; Preservatives, etc.
Weitere Details der durchgeführten Untersuchungen ergeben sich aus dem nachfolgenden Beispiel.Further details of the investigations carried out are shown in the following example.
Das eingesetzte Testverfahren für die Reinigungswirkung von Reinigungsmitteln für glaskeramische Oberflächen verwendet haushaltstypische Verschmutzungen und simuliert Spritzer von Nahrungsmitteln während deren Zubereitung. Die Temperatur der glaskeramischen Oberfläche in der Nähe des erhitzten Bereiches liegt typischerweise bei etwa 200°C. Der erhitzte Bereich selbst, der Temperaturen von bis zu 500°C erreicht, wird üblicherweise nicht von Spritzern getroffen. Verschmutzung, die die auf diese hohe Temperaturen erhitzten Bereiche trifft, carbonisiert jedoch sofort und ist daher nicht geeignet, um reproduzierbare Substrate für unterscheidungskräftige Tests zu liefern.The test method used for the cleaning effect of cleaning agents for glass-ceramic surfaces uses household-typical soiling and simulates splashes of food during their preparation. The temperature of the glass-ceramic surface near the heated area is typically about 200 ° C. The heated area itself, which reaches temperatures of up to 500 ° C, is usually not hit by splashes. However, contamination that hits areas heated to these high temperatures immediately carbonises and is therefore not suitable for providing reproducible substrates for distinctive testing.
Zunächst wird die glaskeramische Oberfläche (Glaskeramikfliesen 25x25 cm) unter Verwendung eines alkalischen Reinigungsmittels (pH 10) und eines Handgeschirrspülmittels gesäubert. Die verwendeten Glaskeramikfliesen werden in einer heißen Lösung von Handgeschirrspülmittellösung und Kalksteinentferner für etwa 2 Stunden eingeweicht. Darauf folgen zwei Reinigungszyklen in einem Laborgeschirrspüler unter Verwendung von chlorhaltigem Geschirrspülmittel und entionisiertem Wasser (Dauer eines Zyklus etwa 45 Minuten).First, the glass ceramic surface (glass ceramic tiles 25x25 cm) is cleaned using an alkaline detergent (pH 10) and a hand dishwashing detergent. The glass ceramic tiles used are soaked in a hot solution of hand dishwashing detergent solution and limestone remover for about 2 hours. This is followed by two cycles of cleaning in a laboratory dishwasher using a chlorine-containing dishwashing detergent and deionized water (duration of one cycle about 45 minutes).
Der verschmutzte Bereich hat die Abmessungen 25 x 10 cm. Die Verschmutzung wird mit einem üblichen Rakel aufgebracht. Im vorgeheizten Ofen wird die verschmutzte glaskeramische Fliese einer Temperatur von 200°C unterworfen, wobei die Verweilzeit im Ofen in Abhängigkeit von der Verschmutzung variiert (Bratensauce: 15 min; Tomatenpüree: 12 min; Dosenmilch: 7 min; Kalkflecken/Stärke: 30 min).The dirty area has the dimensions 25 x 10 cm. The dirt is applied using a standard squeegee. In the preheated oven, the soiled glass ceramic tile is subjected to a temperature of 200 ° C, the residence time in the oven varies depending on the soiling (gravy: 15 minutes, tomato puree: 12 minutes, canned milk: 7 minutes, lime spots / starch: 30 minutes) ,
Für die Reinigung wird eine automatische Wischvorrichtung verwendet, z.B. von der Firma Erichsen, Hemer. Diese automatische Wischvorrichtung arbeitet mit einem feuchten Schwamm, der mit 300 g/3600 mm2 (Schwammfläche) angedrückt wird. Der automatische Wischer wischt mit einer Geschwindigkeit von 37 Wischbewegungen pro Minute.For cleaning, an automatic wiper device is used, for example from Erichsen, Hemer. This automatic wiper works with a damp sponge, which is pressed with 300 g / 3600 mm 2 (sponge surface). The automatic wiper wipes at a speed of 37 strokes per minute.
Das Experiment wird unter Verwendung eines handelsüblichen Reinigungsmittels für Glaskeramikoberflächen (A) sowie zwei unterschiedlichen Formulierungen eines erfindungsgemäßen Reinigungsmittels (B und C) durchgeführt.The experiment is carried out using a commercially available cleaning agent for glass-ceramic surfaces (A) and two different formulations of a cleaning agent (B and C) according to the invention.
In einem Vortest wird zunächst bestimmt, welche der drei Formulierungen die wirkungsvollste ist. Mit dieser Formulierung wird der Versuch solange durchgeführt, bis etwa 75 % der Verschmutzung entfernt sind. Die hierfür benötigte Zeit bestimmt die Versuchsdauer auch für die anderen Formulierungen. Jeder Testvorgang wird wenigstens 5-mal wiederholt.In a preliminary test, it is first determined which of the three formulations is the most effective. With this formulation, the experiment is carried out until about 75% of the pollution is removed. The time required for this determines the duration of the test also for the other formulations. Each test is repeated at least 5 times.
Wenn die Experimente an einer Fliese abgeschlossen sind, werden diese mit Leitungswasser und anschließend mit entionisiertem Wasser abgespült, um Wasserflecken zu vermeiden. Die Fliesen werden zur Trocknung vertikal bei Raumtemperatur aufbewahrt.When the experiments on a tile are completed, they are rinsed with tap water and then with deionized water to avoid water stains. The tiles are stored vertically at room temperature for drying.
Die Fliesen werden durch wenigstens 3 geschulte Personen unabhängig voneinander bewertet. Die Fliesen werden auf einer Skala von 0 (keine Reinigungswirkung) bis 10 (vollständig sauber) bewertet.The tiles are evaluated independently by at least 3 trained persons. The tiles are rated on a scale from 0 (no cleaning effect) to 10 (completely clean).
Die besten Ergebnisse ergeben sich - trotz des deutlich niedrigeren Gehalts an Abrasivmittel, als herkömmlicherweise bei mineralischem Abrasivmittel üblich ist - für das erfindungsgemäße Reinigungsmittel B, das völlig ohne mineralisches Abrasivmittel auskommt. Etwa gleichwertig sind die Ergebnisse mit einer Mischung aus Quartz und Polyurethan, während die Reinigungsergebnisse für das handelsübliche Reinigungsmittel mit Aluminiumoxid (3 µm) als Abrasivmittel - trotz des hohen Gehaltes von 26 Gew.-% - signifikant schlechter ausfallen.The best results are - despite the significantly lower content of abrasive, as is customary in mineral abrasives usual - for the inventive cleaning agent B, which manages completely without mineral abrasive. The results are approximately equivalent with a mixture of quartz and polyurethane, while the cleaning results for the commercial cleaning agent with aluminum oxide (3 μm) as abrasive - despite the high content of 26 wt .-% - significantly worse.
Die in der vorstehenden Beschreibung sowie den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung in ihren verschiedenen Ausführungsformen wesentlich sein.The features of the invention disclosed in the foregoing description and the claims may be essential both individually and in any combination for the realization of the invention in its various embodiments.
Claims (6)
- A detergent for glass ceramic surfaces, having an abrasive agent content and a pH between 2 and 3, characterized in that said abrasive agent comprises polyurethane particles having a particle size within a range from 100 to 1000 µm.
- A detergent as claimed in claim 1, characterized in that at least 20 wt-% of said abrasive agent consists of organic material.
- A detergent as claimed in claim 2, characterized that said abrasive agent consists of organic material essentially in its entirety.
- A detergent as claimed in any preceding claim, characterized in that the abrasive agent content is 10 wt-% or less.
- A detergent as claimed in claim 4, characterized in that the abrasive agent content is 5 wt-% or less.
- A detergent as claimed in any preceding claim, characterized in that said organic material is present predominantly in a particle size within a range from 100 to 200 µm.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE19935083A DE19935083A1 (en) | 1999-07-29 | 1999-07-29 | Detergent for glass ceramic surfaces |
DE19935083 | 1999-07-29 | ||
PCT/EP2000/007157 WO2001009279A1 (en) | 1999-07-29 | 2000-07-26 | Detergent for glass-ceramic surfaces |
Publications (2)
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EP1200549A1 EP1200549A1 (en) | 2002-05-02 |
EP1200549B1 true EP1200549B1 (en) | 2009-11-04 |
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EP00953091A Expired - Lifetime EP1200549B1 (en) | 1999-07-29 | 2000-07-26 | Detergent for glass-ceramic surfaces |
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US (1) | US6759377B2 (en) |
EP (1) | EP1200549B1 (en) |
AT (1) | ATE447606T1 (en) |
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US6440224B1 (en) * | 1999-03-15 | 2002-08-27 | Ecolab Inc. | Hydrofluoric acid generating composition and method of treating surfaces |
DE19935083A1 (en) * | 1999-07-29 | 2001-02-08 | Benckiser Nv | Detergent for glass ceramic surfaces |
EP1321514A1 (en) * | 2001-12-21 | 2003-06-25 | Maclean S.A. | Liquid scouring composition containing polyethylene particles |
GB2384243A (en) | 2002-01-17 | 2003-07-23 | Reckitt Benckiser Inc | Cleaners for hard surfaces |
GB2385597B (en) | 2002-02-21 | 2004-05-12 | Reckitt Benckiser Inc | Hard surface cleaning compositions |
DE10237008A1 (en) * | 2002-08-13 | 2004-03-04 | Beiersdorf Ag | Abrasive cleaning preparations |
US7378382B2 (en) * | 2004-05-05 | 2008-05-27 | The Clorox Company | Rheologically stabilized silicone dispersions comprising a polydimethylsiloxane mixture |
SE0601157L (en) * | 2006-05-26 | 2007-10-16 | Gs Dev Ab | Detergent composition for granular dishwashers |
US7860116B2 (en) * | 2007-05-24 | 2010-12-28 | Worldwide Packets, Inc. | Processing packets of a virtual interface associated with tunnels |
WO2010039574A1 (en) * | 2008-09-30 | 2010-04-08 | The Procter & Gamble Company | Liquid hard surface cleaning composition |
WO2010039572A1 (en) | 2008-09-30 | 2010-04-08 | The Procter & Gamble Company | Liquid hard surface cleaning composition |
EP2328998A1 (en) * | 2008-09-30 | 2011-06-08 | The Procter & Gamble Company | Liquid hard surface cleaning composition |
GB0917109D0 (en) * | 2009-09-30 | 2009-11-11 | Reckitt Benckiser Inc | Viscous acidic abrasive cleaning compositions |
PL2338966T3 (en) * | 2009-12-22 | 2014-04-30 | Procter & Gamble | Liquid cleaning and/or cleansing composition |
ES2444618T3 (en) | 2009-12-22 | 2014-02-26 | The Procter & Gamble Company | Cleaning and / or liquid washing composition |
CN102834499B (en) * | 2010-04-21 | 2017-05-31 | 宝洁公司 | Cleaning liquid and/or cleansing composition |
RU2530020C2 (en) * | 2010-04-21 | 2014-10-10 | Дзе Проктер Энд Гэмбл Компани | Liquid cleaning and/or disinfection composition |
US9353337B2 (en) | 2010-09-21 | 2016-05-31 | The Procter & Gamble Company | Liquid cleaning composition |
EP2431451A1 (en) | 2010-09-21 | 2012-03-21 | The Procter & Gamble Company | Liquid detergent composition with abrasive particles |
JP5702469B2 (en) | 2010-09-21 | 2015-04-15 | ザ プロクター アンド ギャンブルカンパニー | Liquid cleaning composition |
US20120321801A1 (en) * | 2011-06-16 | 2012-12-20 | Cordaro James F | Cleaning composition for bonding preparation of aerospace materials |
EP2537917A1 (en) | 2011-06-20 | 2012-12-26 | The Procter & Gamble Company | Liquid detergent composition with abrasive particles |
US20120321567A1 (en) * | 2011-06-20 | 2012-12-20 | Denis Alfred Gonzales | Liquid cleaning and/or cleansing composition |
US8852643B2 (en) | 2011-06-20 | 2014-10-07 | The Procter & Gamble Company | Liquid cleaning and/or cleansing composition |
EP2721133A1 (en) | 2011-06-20 | 2014-04-23 | The Procter and Gamble Company | Liquid cleaning and/or cleansing composition |
CN103717726A (en) | 2011-06-20 | 2014-04-09 | 宝洁公司 | Liquid cleaning and/or cleansing composition |
ES2577147T3 (en) | 2012-10-15 | 2016-07-13 | The Procter & Gamble Company | Liquid detergent composition with abrasive particles |
EP2808380A1 (en) | 2013-05-29 | 2014-12-03 | The Procter & Gamble Company | Liquid cleaning composition with abrasives |
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DE19935083A1 (en) * | 1999-07-29 | 2001-02-08 | Benckiser Nv | Detergent for glass ceramic surfaces |
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ES2336072T3 (en) | 2010-04-08 |
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CA2380491C (en) | 2008-09-30 |
US6759377B2 (en) | 2004-07-06 |
DE19935083A1 (en) | 2001-02-08 |
BR0012750A (en) | 2002-04-02 |
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