EP1567807B1 - Mit einer selbstreinigenden beschichtung beschichtetes heizgerät - Google Patents
Mit einer selbstreinigenden beschichtung beschichtetes heizgerät Download PDFInfo
- Publication number
- EP1567807B1 EP1567807B1 EP03786028A EP03786028A EP1567807B1 EP 1567807 B1 EP1567807 B1 EP 1567807B1 EP 03786028 A EP03786028 A EP 03786028A EP 03786028 A EP03786028 A EP 03786028A EP 1567807 B1 EP1567807 B1 EP 1567807B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner layer
- outer layer
- layer
- coating
- oxidation catalyst
- 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
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 title claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 52
- 230000003647 oxidation Effects 0.000 claims abstract description 48
- 239000003054 catalyst Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 19
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 12
- 210000003298 dental enamel Anatomy 0.000 claims abstract description 11
- 239000002243 precursor Substances 0.000 claims abstract description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010411 cooking Methods 0.000 claims abstract description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001923 silver oxide Inorganic materials 0.000 claims abstract description 8
- 229910003445 palladium oxide Inorganic materials 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000012080 ambient air Substances 0.000 claims abstract description 5
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical group [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 5
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 3
- 229910052709 silver Inorganic materials 0.000 claims abstract 3
- 239000004332 silver Substances 0.000 claims abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052802 copper Inorganic materials 0.000 claims abstract 2
- 239000010949 copper Substances 0.000 claims abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 238000010409 ironing Methods 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 12
- 230000005855 radiation Effects 0.000 claims 3
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical class [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910003446 platinum oxide Inorganic materials 0.000 abstract description 8
- 230000003197 catalytic effect Effects 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 62
- 239000000243 solution Substances 0.000 description 8
- 238000005001 rutherford backscattering spectroscopy Methods 0.000 description 6
- 239000011146 organic particle Substances 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 239000012018 catalyst precursor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 239000012476 oxidizable substance Substances 0.000 description 1
- OTCVAHKKMMUFAY-UHFFFAOYSA-N oxosilver Chemical class [Ag]=O OTCVAHKKMMUFAY-UHFFFAOYSA-N 0.000 description 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000000037 vitreous enamel Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F75/00—Hand irons
- D06F75/38—Sole plates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/042—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/005—Coatings for ovens
Definitions
- the present invention relates to heating apparatus or to be heated during use and comprising a self-cleaning coating.
- Some heating devices such as iron soles or cooking appliances, have qualities of ease of use and efficiency, depending inter alia on the state and nature of the surface of their coating. .
- the iron soles could be improved by the care given to the gliding qualities of the ironing surface, combined with the qualities allowing the easier spreading of the linen.
- One way to obtain these qualities is to use enamelled soles with a smooth-looking enamel, possibly with thicker lines to spread the fabric during the movement of the iron.
- Other metal soles treated mechanically and / or covered or not with a deposit to facilitate sliding can also be suitable for a satisfactory use.
- the sole can tarnish by carbonizing more or less diffuse on its ironing surface, and more or less incomplete, various organic particles captured by friction on ironed fabrics.
- Iron sole coatings are known having a hard and resistant layer covered, as indicated by the patent. US4862609 by a layer improving the surface properties. But this patent does not indicate a solution to fight against fouling.
- the walls of cooking appliances are also often covered with a smooth enamelled layer so that any splashes of grease or food do not adhere to the surface. Glazed self-cleaning surfaces are known, for example in furnaces and cooking utensils as described for example in the patent. US4029603 or the patent FR2400876 .
- Baking apparatus wall claddings comprising two layers comprising the same oxidation catalyst chosen, inter alia, from among the oxides of platinoids ( US-3,566,855-A ).
- the organic particles in contact with the outer layer of the coating are oxidized when the apparatus is heated. Furthermore, the synergistic effect obtained by the particular combination of an inner layer comprising a specific oxidation catalyst and an outer layer comprising a specific oxidation catalyst different from that of the inner layer makes it possible to obtain a coating having a particularly high catalytic activity. Thus, the surface of the coating is regenerated very quickly.
- the grease projections present on the wall of the oven are oxidized hot, the solid residue is detached from the wall which is kept clean.
- the adhesion of the coating to the metal support is particularly good.
- This improved adhesion increases the friction resistance of the coating, this property being particularly advantageous in the case of an iron soleplate, for example.
- heating apparatus is intended to mean any apparatus, article or utensil which, during its operation, reaches a temperature of at least 45 ° C. and preferably at least 90 ° C.
- the device can reach this temperature operating by means of its own, such as a heating base integrated in the apparatus and provided with heating elements, or by external means.
- Such appliances are, for example, iron soles, cooking appliances, ovens, grills, kitchen utensils.
- the outer layer of the coating according to the invention comprises an oxidation catalyst chosen from platinum oxide.
- platinum is meant, within the meaning of the present application, the elements having properties similar to those of platinum, and in particular, in addition to platinum, ruthenium, rhodium, palladium, osmium and iridium.
- the outer layer comprises an oxidation catalyst selected from palladium oxides, platinum oxides and mixtures thereof.
- oxidation catalysts are well known in themselves, as well as their methods of obtaining, without it being necessary to describe in detail their methods of preparation respectively.
- platinum as an oxidation catalyst, its catalytically active form can be obtained by calcination or decomposition of a chloroplatinic acid salt or any other precursor.
- any oxidation catalyst selected according to the present invention must remain sufficiently stable at the operating temperature of the device, and within the limits of the useful life of the device.
- the surface of the outer layer is in direct contact with the ambient air and organic soils.
- organic soils means any combustible or oxidizable substance in contact with the ambient air, completely or partially.
- the oxidation catalyst selected from platinum oxide is distributed on and / or in the outer layer of the coating, where it is in contact with soiling, and in all or part of the outer layer, continuously or discontinuously.
- the oxidation catalyst chosen from among the platinoids is distributed on the outer surface of the soleplate, intended to be brought into contact with the laundry.
- the coating may comprise, in addition to the oxidation catalyst chosen from platinum oxide, any inner support layer catalytically inert with respect to oxidation.
- This support adheres to the metal and catalytically inert support is preferably selected from aluminum or silicon compounds, such as for example alumina in divided form or particles, enamel, polytetrafluoroethylene and mixtures thereof.
- the catalytically inert support with regard to oxidation is an enamel with a low porosity and / or roughness, at the micrometric and / or nanometric scale.
- the enamel is for example a vitreous enamel.
- the enamel should preferably be hard, have a good glide and resist the penetration of hot steam or humidity.
- the outer layer of the coating preferably has a thickness, measured according to the RBS method described in Example 1 of the present application, ranging from 10 nanometers to 500 nanometers, and more preferably from 20 nanometers to 120 nanometers.
- the oxidation catalyst of the outer layer being active at a coating temperature greater than or equal to 90 ° C, it cleans said coating when the latter is heated at least at such a temperature.
- the inner layer comprises at least one oxidation catalyst chosen from among the oxides of the group Ib transition elements, preferably selected from copper oxides, silver oxides and mixtures thereof.
- oxidation catalysts are well known in themselves, as well as their methods of obtaining, without it being necessary to describe in detail their methods of preparation respectively.
- silver oxide as oxidation catalyst, it is possible to use as precursor commercial silver nitrate sold by Aldrich.
- the catalytically active inner layer has a thickness, measured according to the RBS method described in Example 1 of the present application, ranging from 20 nanometers to 50 nanometers.
- the oxidation catalyst present in the inner layer has a good affinity with the oxidation catalyst present in the outer layer. Indeed, after application on the support of the inner and outer layers, the support is annealed and, during this step, the oxidation catalyst present in the inner layer may diffuse into the outer layer and the oxidation catalyst present in the outer layer may diffuse into the inner layer.
- the outer layer comprises, as oxidation catalyst, a palladium oxide and the inner layer comprises, as oxidation catalyst, a silver oxide.
- the silver oxide has diffused into the outer layer and the outer layer thus comprises a mixture of palladium oxide and silver oxide. A particular synergistic effect on the catalytic activity of the coating has been observed in such an embodiment of the invention.
- the heating apparatus is in the form of an iron soleplate comprising an ironing surface and the coating covers the ironing surface.
- the heating apparatus is a cooking appliance comprising walls that can come into contact with organic soils and the coating covers these walls.
- the catalyst acts at the operating temperature of the apparatus and the coating is kept clean as and when the device is used.
- a second mode of operation during a so-called self-cleaning phase, before or after the use of the apparatus, the latter is set to a high temperature equal to or higher than the highest operating temperatures. is then left on hold for a predetermined time, during which the oxidation catalyst produces its effect. The user can maintain his device regularly, without waiting for a harmful fouling.
- the metal support of the apparatus according to the invention can be based on any metal commonly used in the field of heating appliances such as aluminum, steel or titanium.
- This metal support may itself be covered with a protective layer such as an enamelled layer before being covered by the coating of the present invention.
- the apparatus comprises an enamel intermediate layer located between the metal support and the catalytically active inner layer of the coating.
- the application of the catalytically active inner and outer layers to the metal support, covered or not by an enameled layer, is preferably by pyrolysis, by heating the surface to be coated and spray on this hot surface of a solution containing a precursor of the oxidation catalyst.
- precursor any chemical or physico-chemical form of the oxidation catalyst, which is likely to lead to, or to release the latter by any appropriate treatment, for example pyrolysis.
- the surface of the metal support to be covered is heated in an oven at about 400 ° C. and then placed very briefly, for example for a few seconds, under infrared, until a superficial temperature is reached. ranging from 400 ° C to 600 ° C.
- This operation softens the surface of the support and makes it possible to increase the subsequent adhesion of the coating.
- a solution of the precursor of the oxidation catalyst selected from Group Ib transition elements is sprayed onto the surface of the metal support. In contact with the surface, the precursor oxidizes and is fixed on the support and the water evaporates. A layer of thickness ranging from 20 to 50 nm is deposited. The support cools very quickly.
- a coated support is obtained whose self-cleaning properties are particularly good.
- FIG. 1 is a sectional view of an iron soleplate according to the invention
- Figure 2 is a sectional view of an iron soleplate according to the invention comprising an enameled protective layer.
- a heater 1 in the form of an iron soleplate comprising a metal support 2 covered with an inner layer 3 and an outer layer 4.
- the sole comprises also a heating base 6 provided with heating elements 7.
- the support 2 and the base 6 are assembled by mechanical means or by gluing.
- the inner layer 3 comprises a catalyst oxidation agent chosen from the oxides of the transition elements of the group Ib and the outer layer 4 comprises an oxidation catalyst selected from the oxides of platinoids.
- an iron soleplate 1 comprising a metal support 2 covered with an intermediate layer 5, an inner layer 3 and an outer layer 4.
- the sole also comprises a heating base 6 provided with heating elements 7, bonded to the support 2.
- the inner layer 3 comprises an oxidation catalyst chosen from the oxides of the transition elements of the group Ib and the outer layer 4 comprises a chosen oxidation catalyst among the oxides of platinoids.
- the protective layer 5 is enamel.
- a clean insole iron enamelled aluminum is placed on an aluminum support of about 2 cm to best retain heat. The whole is heated to 400 ° C in an oven. The sole, with the support, is placed under infrared for a few seconds until reaching a surface temperature between 400 ° C and 600 ° C. Silver nitrate, sold by Aldrich, is dissolved in water at 4 g / l and is sprayed with a pneumatic gun on the sole. A layer of about 40 to 50 nm, measured according to the RBS method, is deposited.
- the RBS (Rutherford Backscattering Spectroscopy) method is an analytical technique based on the elastic interaction between a 4 He 2+ ion beam and the sample particles.
- the high energy beam (2MeV) strikes the sample, the backscattered ions are detected at a teta angle.
- the spectrum thus acquired represents the intensity of the ions detected as a function of their energy and makes it possible to determine the thickness of the layer. This method is described in WK Chu and G. Langouche, MRS Bulletin, January 1993, p 32.
- the sole is again heated in the oven at 400 ° C and then placed for a few seconds under infrared at a temperature between 400 ° C and 600 ° C.
- the assembly is annealed under infrared at 500 ° C for three minutes.
- An iron sole is obtained whose self-cleaning coating adheres particularly well to the sole and has a very good catalytic activity and retains its gliding qualities.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Catalysts (AREA)
- Cookers (AREA)
- Electric Ovens (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Irons (AREA)
- Resistance Heating (AREA)
Claims (12)
- Heizgerät (1) mit einem metallischen Träger (2), bei dem mindestens ein Teil mit einem selbstreinigenden Überzug überzogen ist, dadurch gekennzeichnet, dass der Überzug folgendes umfasst:a) eine mit der Umgebungsluft in Kontakt stehende Außenschicht (4) mit mindestens einem Oxidationskatalysator, der aus den Platinmetalloxiden ausgewählt ist,b) mindestens eine zwischen dem metallischen Träger (2) und der Außenschicht (4) angeordnete Innenschicht (3) mit mindestens einem Oxidationskatalysator, der aus den Oxiden der Übergangselemente der Gruppe Ib ausgewählt ist.
- Gerät nach Anspruch 1, dadurch gekennzeichnet, dass der Oxidationskatalysator der Außenschicht (4) aus den Palladiumoxiden, den Platinoxiden und ihren Gemischen ausgewählt ist.
- Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Oxidationskatalysator der Innenschicht (3) aus den Kupferoxiden, den Silberoxiden und ihren Gemischen ausgewählt ist.
- Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Außenschicht (4) als Oxidationskatalysator ein Palladiumoxid und die Innenschicht (3) als Oxidationskatalysator ein Silberoxid umfasst.
- Gerät nach Anspruch 4, dadurch gekennzeichnet, dass die Außenschicht ein Gemisch aus Palladiumoxid und Silberoxid umfasst.
- Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke der Außenschicht (4), gemessen nach dem RBS-Verfahren, zwischen 10 und 500 Nanometer und auch vorzugsweise zwischen 20 und 120 Nanometer beträgt.
- Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke der Innenschicht (3), gemessen nach dem RBS-Verfahren, zwischen 20 und 50 Nanometer beträgt.
- Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es ferner eine Zwischenschicht (5) zwischen dem metallischen Träger (2) und der Innenschicht (3) des Überzugs aufweist, die einen bezüglich der Oxidation katalytisch inaktiven Träger bildet, der aus den Aluminiumlegierungen, dem Email, dem Polytetrafluorethylen und ihren Gemischen ausgewählt ist.
- Gerät nach Anspruch 8, dadurch gekennzeichnet, dass die zwischen dem metallischen Träger (2) und der Innenschicht (3) des Überzugs angeordnete Zwischenschicht (5) aus Email besteht.
- Gerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es als Bügeleisensohle mit einer Bügelfläche ausgebildet ist und der Überzug die Bügelfläche bedeckt.
- Gerät nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass es als Kochgerät mit Wänden ausgebildet ist, die mit organischem Schmutz in Kontakt gelangen können, und dass der Überzug diese Wände bedeckt.
- Verfahren zum Überziehen des metallischen Trägers (2) eines Heizgeräts (1) mit einem selbstreinigenden Überzug nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das Verfahren die Schritte umfasst, bei denen:- i) die zu überziehende Fläche des metallischen Trägers in einem Ofen auf etwa 400°C erwärmt wird,- ii) die zu überziehende Fläche des metallischen Trägers für einige Sekunden unter Infrarot gelegt wird, wobei die Temperatur zwischen 400°C und 600°C beträgt,- iii) eine Lösung eines Oxidationskatalysatorvorläufers, der aus den Oxiden der Übergangselemente der Gruppe Ib ausgewählt ist, auf die zu überziehende Fläche des metallischen Trägers gespritzt wird, um die Innenschicht (3) zu erhalten,- iv) die zu überziehende Fläche des metallischen Trägers zusammen mit der Innenschicht in einem Ofen erneut auf etwa 400°C erwärmt wird,- v) die zu überziehende Fläche des metallischen Trägers zusammen mit der Innenschicht für einige Sekunden unter Infrarot gelegt wird, wobei die Temperatur zwischen 400°C und 600°C beträgt,- vi) eine Lösung eines Oxidationskatalysatorvorläufers, der aus den Platinmetalloxiden ausgewählt ist, auf die Innenschicht gespritzt wird, um die Außenschicht (4) zu erhalten,- vii) die Fläche des metallischen Trägers, die mit der Innenschicht und der Außenschicht überzogen ist, einige Minuten lang unter Infrarot eingebrannt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0215360 | 2002-12-05 | ||
FR0215360A FR2848290B1 (fr) | 2002-12-05 | 2002-12-05 | Appareil chauffant recouvert d'un revetement autonettoyant |
PCT/FR2003/003429 WO2004061371A1 (fr) | 2002-12-05 | 2003-11-20 | Appareil chauffant recouvert d'un revetement autonettoyant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567807A1 EP1567807A1 (de) | 2005-08-31 |
EP1567807B1 true EP1567807B1 (de) | 2007-10-31 |
Family
ID=32320016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03786028A Expired - Lifetime EP1567807B1 (de) | 2002-12-05 | 2003-11-20 | Mit einer selbstreinigenden beschichtung beschichtetes heizgerät |
Country Status (16)
Country | Link |
---|---|
US (1) | US7339142B2 (de) |
EP (1) | EP1567807B1 (de) |
JP (1) | JP4358749B2 (de) |
CN (1) | CN1316202C (de) |
AT (1) | ATE377176T1 (de) |
AU (1) | AU2003295034B2 (de) |
BR (1) | BR0317056B1 (de) |
CA (1) | CA2508750C (de) |
DE (1) | DE60317233T2 (de) |
ES (1) | ES2295676T3 (de) |
FR (1) | FR2848290B1 (de) |
HK (1) | HK1081638A1 (de) |
MX (1) | MXPA05005918A (de) |
PT (1) | PT1567807E (de) |
RU (1) | RU2323287C2 (de) |
WO (1) | WO2004061371A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1911874A1 (de) * | 2006-10-09 | 2008-04-16 | Koninklijke Philips Electronics N.V. | Bügeleisensohle |
US7854222B2 (en) * | 2008-06-26 | 2010-12-21 | General Electric Company | Pyrocatalytic coatings for heating devices |
EP2228485A1 (de) * | 2009-03-12 | 2010-09-15 | Koninklijke Philips Electronics N.V. | Haushaltsgerät mit einem antimikrobiellen Wirkstoff |
CN102575413B (zh) * | 2009-10-09 | 2015-09-16 | Bsh家用电器有限公司 | 特别是用于蒸汽熨斗的熨斗基底 |
US10449685B2 (en) | 2010-04-29 | 2019-10-22 | Whirlpool Corporation | Food processor with adjustable blade assembly |
US8720325B2 (en) | 2010-04-29 | 2014-05-13 | Whirlpool Corporation | Food processor with a lockable adjustable blade assembly |
FR2968016B1 (fr) * | 2010-11-29 | 2013-05-03 | Seb Sa | Appareil chauffant recouvert d'un revetement autonettoyant |
CN104995348B (zh) | 2013-02-06 | 2017-10-27 | 皇家飞利浦有限公司 | 用于服装处理用具的处理板 |
US9841195B2 (en) | 2013-02-28 | 2017-12-12 | Haier Us Appliance Solutions, Inc. | Non-stick, pyrolytic coatings for heating devices |
CN104174413B (zh) * | 2014-09-10 | 2016-04-06 | 山东大学 | 一种红外光催化剂及其制备方法与应用 |
US10085599B2 (en) | 2014-12-19 | 2018-10-02 | Whirlpool Corporation | Multi-cook and food processing prep product |
USD819389S1 (en) * | 2015-05-29 | 2018-06-05 | Seb | Electric fryer |
US20210251290A1 (en) * | 2018-06-14 | 2021-08-19 | Philip Morris Products S.A. | Aerosol-generating device with pyrocatalytic material |
CN109208262B (zh) * | 2018-10-29 | 2023-06-20 | 珠海格力电器股份有限公司 | 洗衣机的蒸汽发生装置、洗衣机及清洗方法 |
CN113196175A (zh) | 2018-12-18 | 2021-07-30 | Asml荷兰有限公司 | 测量图案化过程的参数的方法、量测设备、目标 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3566855A (en) * | 1969-10-21 | 1971-03-02 | Fedders Corp | Self-cleaning cooking apparatus |
US4029603A (en) | 1973-03-26 | 1977-06-14 | Imperial Chemical Industries Limited | Catalytic coating composition and a method for making a coated surface for an oven |
JPS5436320A (en) | 1977-08-24 | 1979-03-17 | Matsushita Electric Ind Co Ltd | Articles having selffcleanable coated layer |
JPS6052871B2 (ja) * | 1980-03-14 | 1985-11-21 | 松下電器産業株式会社 | 自己浄化被覆層の製造法 |
DE3676975D1 (en) * | 1985-12-24 | 1991-02-21 | Braun Ag | Buegeleisensohle. |
CN1083036C (zh) * | 1996-09-24 | 2002-04-17 | 皇家菲利浦电子有限公司 | 熨斗和熨斗用底板 |
-
2002
- 2002-12-05 FR FR0215360A patent/FR2848290B1/fr not_active Expired - Fee Related
-
2003
- 2003-11-20 PT PT03786028T patent/PT1567807E/pt unknown
- 2003-11-20 US US10/536,050 patent/US7339142B2/en active Active
- 2003-11-20 EP EP03786028A patent/EP1567807B1/de not_active Expired - Lifetime
- 2003-11-20 CN CNB2003801042317A patent/CN1316202C/zh not_active Expired - Fee Related
- 2003-11-20 BR BRPI0317056-0A patent/BR0317056B1/pt not_active IP Right Cessation
- 2003-11-20 RU RU2005121142/12A patent/RU2323287C2/ru active
- 2003-11-20 ES ES03786028T patent/ES2295676T3/es not_active Expired - Lifetime
- 2003-11-20 AU AU2003295034A patent/AU2003295034B2/en not_active Ceased
- 2003-11-20 CA CA2508750A patent/CA2508750C/fr not_active Expired - Fee Related
- 2003-11-20 AT AT03786028T patent/ATE377176T1/de not_active IP Right Cessation
- 2003-11-20 WO PCT/FR2003/003429 patent/WO2004061371A1/fr active IP Right Grant
- 2003-11-20 DE DE60317233T patent/DE60317233T2/de not_active Expired - Lifetime
- 2003-11-20 MX MXPA05005918A patent/MXPA05005918A/es active IP Right Grant
- 2003-11-20 JP JP2004564263A patent/JP4358749B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-15 HK HK06101896A patent/HK1081638A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MXPA05005918A (es) | 2005-08-26 |
AU2003295034A1 (en) | 2004-07-29 |
WO2004061371A1 (fr) | 2004-07-22 |
CA2508750A1 (fr) | 2004-07-22 |
EP1567807A1 (de) | 2005-08-31 |
BR0317056B1 (pt) | 2014-03-04 |
JP4358749B2 (ja) | 2009-11-04 |
ES2295676T3 (es) | 2008-04-16 |
CA2508750C (fr) | 2011-02-22 |
HK1081638A1 (en) | 2006-05-19 |
ATE377176T1 (de) | 2007-11-15 |
AU2003295034B2 (en) | 2008-12-11 |
PT1567807E (pt) | 2008-01-25 |
RU2005121142A (ru) | 2006-01-20 |
FR2848290B1 (fr) | 2005-01-07 |
FR2848290A1 (fr) | 2004-06-11 |
US20060151474A1 (en) | 2006-07-13 |
US7339142B2 (en) | 2008-03-04 |
RU2323287C2 (ru) | 2008-04-27 |
CN1717565A (zh) | 2006-01-04 |
JP2006513747A (ja) | 2006-04-27 |
CN1316202C (zh) | 2007-05-16 |
DE60317233T2 (de) | 2008-08-07 |
BR0317056A (pt) | 2005-10-25 |
DE60317233D1 (de) | 2007-12-13 |
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