EP1900444A1 - Method for coating surfaces and application of the method - Google Patents

Method for coating surfaces and application of the method Download PDF

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Publication number
EP1900444A1
EP1900444A1 EP07017878A EP07017878A EP1900444A1 EP 1900444 A1 EP1900444 A1 EP 1900444A1 EP 07017878 A EP07017878 A EP 07017878A EP 07017878 A EP07017878 A EP 07017878A EP 1900444 A1 EP1900444 A1 EP 1900444A1
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Prior art keywords
coating material
coating
catalysts
organic
inorganic
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EP07017878A
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German (de)
French (fr)
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EP1900444B1 (en
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Nora Dr. Laryea
Frank Dr. Gross
Stefan Dr. Sepeur
Melanie Mönkemeyer
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Nano X GmbH
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Nano X GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation

Abstract

Procedure for the coating of surfaces comprises applying a coating material on the surface, where the coating material contains nanoscalic, excitable catalyst; and stimulating the catalyst through the construction of an energy gradient within the applied coating material.

Description

Die Erfindung betrifft ein Verfahren zur Beschichtung von Oberflächen sowie die Verwendung des Verfahrens.The invention relates to a method for coating surfaces and the use of the method.

Verfahren zur Beschichtung von Oberflächen, insbesondere mit nanoskaligem Beschichtungsmaterial, sind aus dem Stand der Technik in großer Zahl bekannt und werden in vielen Anwendungsgebieten, beispielsweise als kratzfeste Beschichtungen oder als selbstreinigende Beschichtungen eingesetzt.Methods for coating surfaces, in particular with nanoscale coating material, are known from the prior art in large numbers and are used in many fields of application, for example as scratch-resistant coatings or as self-cleaning coatings.

Im Allgemeinen vermindert sich jedoch durch die Bewittcrung der hiermit geschaffenen Beschichtungen im Laufe der Zeit die gewünschte Eigenschaft, beispielsweise die Kratzfestigkeit oder die selbstreinigende Wirkung. Eine Reaktivierung dieser gewünschten Eigenschaften ist nicht möglich, so daß nach einiger Zeit eine erneute Beschichtung vorgenommen werden muß.In general, however, deterioration of the coatings created thereby diminishes over time the desired property, such as scratch resistance or self-cleaning effect. A reactivation of these desired properties is not possible, so that after some time a new coating must be made.

Aufgabe der Erfindung ist es somit, ein Verfahren zur Beschichtung von Oberflächen zu schaffen, mit dem sich die gewünschten Eigenschaften der Beschichtung sowohl gezielt einstellen lassen als auch bei nachlassender Wirkung wiederherstellen lassen.The object of the invention is therefore to provide a method for coating surfaces, with which the desired properties of the coating can be set both targeted and recover in case of decreasing effect.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren zur Beschichtung von Oberflächen, gekennzeichnet durch folgende Verfahrensschritte gelöst:

  • ➢ Aufbringen eines Beschichtungsmaterials auf die Oberfläche, wobei das Beschichtungsmaterial nanoskalige, anregbare Katalysatoren enthält;
  • ➢ Anregung der Katalysatoren durch den Aufbau eines Energiegradienten innerhalb des aufgebrachten Beschichtungsmaterials.
This object is achieved by a method for coating surfaces, characterized by the following method steps:
  • ➢ applying a coating material to the surface, the coating material containing nanoscale, excitable catalysts;
  • ➢ Excitation of the catalysts by building up an energy gradient within the applied coating material.

Es hat sich im Rahmen der Erfindung überraschend gezeigt, daß durch den Aufbau eines Energiegradienten innerhalb der Beschichtung, welcher sich aufgrund des Lambert-Beer'schen Gesetzes ergibt, sich die gewünschten Eigenschaften (z.B. der Kratzfestigkeit) innerhalb des Beschichtungsmaterials gezielt einstellen lassen. Durch den Energiegradienten wird innerhalb des Beschichtungsmaterials ein Eigenschaftsgradient erreicht, d.h. dem Energiegradienten entsprechend wird auf die Eigenschaften des Beschichtungsmaterials Einfluß genommen. So ist es beispielsweise möglich, daß an der Außenseite das Beschichtungsmaterial durch das Aufbringen von Energie spröde wird, wobei diese Eigenschaft zum Inneren des Beschichtungsmaterials hin abnimmt und im Inneren das Beschichtungsmaterial flexibel ist. Analog kann bei einem beidseitigen Aufbringen der Energie das Beschichtungsmaterial an der Außenseite elektrisch leitfähig sein, während der Kernbereich isolierende Eigenschaften aufweist.It has surprisingly been found within the scope of the invention that the desired properties (eg the scratch resistance) are obtained by the construction of an energy gradient within the coating, which results from the Lambert-Beer law. can be set within the coating material. Due to the energy gradient, a property gradient is achieved within the coating material, ie the energy gradient is influenced in accordance with the properties of the coating material. Thus, for example, it is possible for the coating material on the outside to become brittle by the application of energy, this property decreasing towards the interior of the coating material and the coating material being flexible in the interior. Similarly, in a two-sided application of energy, the coating material on the outside be electrically conductive, while the core region has insulating properties.

Bei Nachlassen der gewünschten Eigenschaften kann durch erneuten Aufbau eines Energiegradienten die gewünschte Eigenschaft wiederhergestellt werden. Es ergibt sich über die Schichtdicke der Oberflächenbeschichtung ein dem Energiegradient entsprechender Gradient der jeweils gewünschten Eigenschaften. Je nach Schichtdicke der Beschichtung und der Eindringtiefe der aufgebrachten Energie kann auf die Eigenschaften der Beschichtung eingewirkt werden.When the desired properties subsided, the desired property can be restored by rebuilding an energy gradient. It results over the layer thickness of the surface coating a gradient corresponding to the energy gradient of the respective desired properties. Depending on the layer thickness of the coating and the penetration depth of the applied energy can be acted upon the properties of the coating.

Die zu beschichtenden Oberflächen können aus einer Vielzahl von Materialien bestehen, beispielsweise aus Metall, Glas, Keramik, Holz, Kunststoffen, natürlichen oder synthetischen Geweben.The surfaces to be coated can be made of a variety of materials, such as metal, glass, ceramic, wood, plastics, natural or synthetic fabrics.

Es liegt im Rahmen der Erfindung, daß die Katalysatoren durch elektromagnetische Wellen oder mechanisch anregbar sind, und insbesondere ausgewählt sind aus der Gruppe bestehend aus Ceroxid, Titandioxid, Indiumzinnoxid (ITO), Antimonzinnoxid (ATO), fluordotiertes Zinnoxid (FTO), Wolframoxid, Eisenoxiden, Vanadiumoxide, Halbleitern, piezoelektrischen Stoffen und kristallinen organischen Polymeren.It is within the scope of the invention that the catalysts are by electromagnetic waves or mechanically excitable, and in particular selected from the group consisting of cerium oxide, titanium dioxide, indium tin oxide (ITO), antimony tin oxide (ATO), fluorine doped tin oxide (FTO), tungsten oxide, iron oxides , Vanadium oxides, semiconductors, piezoelectric materials and crystalline organic polymers.

Erfindungsgemäß ist vorgesehen, daß das Beschichtungsmaterial ein organisches, anorganisches oder organisch-anorganisches nanoskaliges Beschichtungsmaterial ist, welches von 0,5 bis 90 Gew.-%, vorzugsweise von 2 bis 60 Gew.-% nanoskalige, anregbare Katalysatoren enthält.According to the invention it is provided that the coating material is an organic, inorganic or organic-inorganic nanoscale coating material which contains from 0.5 to 90 wt .-%, preferably from 2 to 60 wt .-% nanoscale, excitable catalysts.

Ausbildungen der Erfindung besteht darin, daß das organische Beschichtungsmaterial ein auf Epoxy-, Polyurethan-, Nitrocellulose-, Polyester-, Styrol-, Acrylat-, Methacrylat-, Melamin-, Phenolharz- oder Polycarbonat-Verbindungen basierendes Beschichtungsmaterial ist.Embodiments of the invention is that the organic coating material is a coating material based on epoxy, polyurethane, nitrocellulose, polyester, styrene, acrylate, methacrylate, melamine, phenolic resin or polycarbonate compounds.

Die Erfindung kann auch dahingehend ausgebildet sein, daß das anorganische Beschichtungsmaterial ein auf Silanen, wie Tetraethoxysilan (TEOS), oder Silikonen basierendes Beschichtungsmaterial ist.The invention may also be embodied such that the inorganic coating material is a coating material based on silanes, such as tetraethoxysilane (TEOS), or silicones.

Eine weitere Ausführungsform der Erfindung besteht darin, daß das organisch-anorganische Beschichtungsmaterial ein organisch modifiziertes Sol-Gel-Beschichtungsmaterial ist.Another embodiment of the invention is that the organic-inorganic coating material is an organically modified sol-gel coating material.

Bei solchen organisch-anorganischen Beschichtungsmaterialien kann zudem durch den Aufbau des Energiegradienten innerhalb des aufgebrachten Beschichtungsmaterials ein gezielter Abbau der organischen Bestandteile in der Matrix dieses organisch-anorganischen Beschichtungsmaterials erfolgen.In addition, in the case of such organic-inorganic coating materials, due to the structure of the energy gradient within the applied coating material, targeted decomposition of the organic constituents in the matrix of this organic-inorganic coating material can take place.

Zur Erfindung gehörig ist auch, daß die Anregung der Katalysatoren durch elektromagnetische Bestrahlung des aufgebrachten Beschichtungsmaterials, insbesondere durch UV-, IR-, Mikrowellen-, Gamma-, Röntgen- oder Laserbestrahlung, durch mechanische Beaufschlagung, insbesondere Druck, Zug oder Spannung oder durch chemische Beaufschlagung, insbesondere Gas- oder Flüssigkeitsbeaufschlagung erfolgt.It is also part of the invention that the excitation of the catalysts by electromagnetic irradiation of the applied coating material, in particular by UV, IR, microwave, gamma, X-ray or laser irradiation, by mechanical loading, in particular pressure, tension or tension or by chemical Loading, in particular gas or liquid is applied.

Es ist erfindungsgemäß vorgeschen, daß das Beschichtungsmaterial naßchemisch, insbesondere durch Sprühen, Tauchen, Fluten, Rollen, Streichen, Drucken, Schleudern, Rakeln oder aber durch Verdampfen im Vakuum auf ein Substrat aufgetragen wird.It is proposed according to the invention that the coating material is wet-chemically, in particular by spraying, dipping, flooding, rolling, brushing, printing, spinning, knife coating or by evaporation in a vacuum applied to a substrate.

Ebenfalls ist es zweckmäßig, daß das Beschichtungsmaterial nach dem Auftragen bei Temperaturen von Raumtemperatur bis 1.200°C, vorzugsweise von Raumtemperatur bis 250°C gehärtet wird, wobei das Härten vorzugsweise thermisch, mit Mikrowellenstrahlung oder UV-Strahlung erfolgt.It is also expedient that the coating material after application at temperatures from room temperature to 1200 ° C, preferably from room temperature to 250 ° C is cured, wherein the curing is preferably carried out thermally, with microwave radiation or UV radiation.

Bereits im Rahmen dieser Aushärtung kann der Energiegradient in der aufgetragenen Beschichtung aufgebaut werden, so daß kein zusätzlicher Arbeitsgang erforderlich ist.Already in the context of this curing, the energy gradient can be built up in the applied coating, so that no additional operation is required.

Schließlich liegt auch die Verwendung des erfindungsgemäßen Verfahrens zur Herstellung von kratzresistenten, selbstreinigenden, UV- und bewitterungsstabilen, tribologischen, korrosionsresistenten, elektrisch leitfähigen, magnetischen, flammgeschützten, IRabsorbierenden und -reflektierenden oder bioziden Schichten, Antireflexschichten sowie als hochtemperaturfeste Druckfarben, insbesondere Siebdruckfarben im Rahmen der Erfindung.Finally, the use of the method according to the invention for the production of scratch-resistant, self-cleaning, UV and weathering resistant, tribological, corrosion-resistant, electrically conductive, magnetic, flame-retardant, IRabsorbierenden and -reflecting or biocidal layers, antireflection coatings and high-temperature resistant inks, especially screen inks in the context of Invention.

Somit sind vielfältige Anwendungen, beispielsweise im Bausektor (Bautenschutz, Fassadenbeschichtung, etc.), im Automobilbereich, bei Flugzeugen und Schiffen und in der Energietechnik (Solarzellen, Windkraftanlagen, etc.) möglich.Thus, a variety of applications, for example in the construction sector (building protection, facade coating, etc.), in the automotive sector, in aircraft and ships and in energy technology (solar cells, wind turbines, etc.) are possible.

Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen näher erläutert.The invention will be explained in more detail by means of exemplary embodiments.

Beispiel 1:Example 1:

Es werden 27g GPTES (Glycidyloxypropyltriethoxysilan) mit 10g TEOS (Tetraethoxysilan) und 20g Ethanol gemischt. Zu dem Gemisch werden unter Rühren 5g einer 0,1%igen wässrigen HCl-Lösung (Salzsäure) gegeben. Das Gemisch wird bei Raumtemperatur ca. 30 min gerührt. Zu dem Hydrolysat werden 3g acetatstabilisiertes CeO2 (30 Gew.-% in Wasser, Partikelgröße ca. 5nm) gegeben. Nach der Zugabe von 0,5 Gew.-% des Verlaufsmittels Byk 306 (Byk Chemie) wird die Lösung auf Polycarbonat geflutet. Die Härtung erfolgt in einem Umlufttrockenschrank bei 125°C für 1h. Die Schichtdicke der gehärteten Beschichtung beträgt ca. 5µm.27 g of GPTES (glycidyloxypropyltriethoxysilane) are mixed with 10 g of TEOS (tetraethoxysilane) and 20 g of ethanol. 5 g of a 0.1% aqueous HCl solution (hydrochloric acid) are added to the mixture with stirring. The mixture is stirred at room temperature for about 30 min. 3 g of acetate-stabilized CeO 2 (30% by weight in water, particle size about 5 nm) are added to the hydrolyzate. After the addition of 0.5% by weight of the leveling agent Byk 306 (Byk Chemie), the solution is flooded on polycarbonate. Hardening takes place in a convection oven at 125 ° C for 1 h. The layer thickness of the cured coating is approximately 5 μm.

Nach 500h Belastung im QUV-Test (UVA-340 Fluoreszenzlampen, Fa. Q-Panel) bildet sich innerhalb der Beschichtung ein CeO2-Gradient aus.After 500 hours of exposure in the QUV test (UVA-340 fluorescent lamps, Q-Panel), a CeO 2 gradient forms within the coating.

Beispiel 2 :Example 2:

50,4g Bisphenol A und 74g Isocyanatopropyltriethoxysilan (ICTES) werden mit 1-Methoxy-2-propanol gemischt. Danach wird das Gemisch in einem geeigneten Gefäß mit 0,08g Dibutylzinn versetzt und für 30min auf 150°C erhitzt. Zu dem Gemisch wird unter Rühren 10g Phenyltriethoxysilan zugegeben. Danach wird das Gemisch mit 8g 10%iger Ameisensäure versetzt und über Nacht gerührt. Anschließend wird das Gemisch mit 10g Titanoxid-Sol (TKD 701, Fa. TAYCA) versetzt und ca. 1h gerührt. Die Lösung wird mit 1% Byk 301 versetzt und auf ein Stahlblech mit einer Polyesterlackierung (Schichtdicke ca. 45µm) gesprüht. Danach wird das Blech bei 150°C für 20min im Trockenschrank gehärtet. Die Schichtdicke der Beschichtung sollte im Bereich von 2-5µm liegen.
Nach Auslagerung der Proben für 300h in die Freibewitterung (Ausrichtung 45° Süd, Mitteleuropa) entsteht ein TiO2-Gradient in der Schicht mit einer stark hydrophilen Oberfläche. Die TiO2-Konzentration nimmt zur Oberfläche (Grenzfläche Luft-Beschichtung) hin zu.50.4 g of bisphenol A and 74 g of isocyanatopropyltriethoxysilane (ICTES) are mixed with 1-methoxy-2-propanol. Thereafter, the mixture is added in a suitable vessel with 0.08 g of dibutyltin and heated to 150 ° C for 30min. 10 g of phenyltriethoxysilane are added to the mixture with stirring. Thereafter, the mixture is mixed with 8 g of 10% formic acid and stirred overnight. Then the mixture with 10g Titanium oxide sol (TKD 701, Fa. TAYCA) and stirred for about 1h. The solution is mixed with 1% Byk 301 and sprayed on a steel sheet with a polyester coating (layer thickness about 45 .mu.m). Thereafter, the sheet is cured at 150 ° C for 20min in a drying oven. The layer thickness of the coating should be in the range of 2-5μm.
After outsourcing the samples for 300h in the outdoor weathering (orientation 45 ° South, Central Europe) creates a TiO 2 gradient in the layer with a highly hydrophilic surface. The TiO 2 concentration increases towards the surface (air-coating interface).

Beispiel 3:Example 3:

15g MTEOS (Methyltriethoxysilan), 3,26g Al-Acetylacetonat (Sigma Aldrich) und 5,81g ITO-Sol (Nordmann & Rassmann) werden in 10g Ethanol und 5g GPTES (Glycidyloxypropyltriethoxysilan) vorgelegt und 5min gerührt. Anschließend werden 0,1g HNO3 zugegeben und das Gemisch mindestens 4h gerührt. Danach ist das Sol beschichtungsfähig und wird auf Floatglas durch Fluten aufgetragen und bei 100°C für 1h getrocknet.15 g of MTEOS (methyltriethoxysilane), 3.26 g of Al-acetylacetonate (Sigma Aldrich) and 5.81 g of ITO sol (Nordmann & Rassmann) are initially charged in 10 g of ethanol and 5 g of GPTES (glycidyloxypropyltriethoxysilane) and stirred for 5 minutes. Subsequently, 0.1 g HNO3 are added and the mixture is stirred for at least 4 h. Thereafter, the sol is coatable and is applied to float glass by flooding and dried at 100 ° C for 1h.

Nach IR-Bestrahlung der Proben für 0,5h entsteht ein ITO-Gradient in der Beschichtung. Die ITO-Konzentration nimmt zur Oberfläche (Grenzfläche Luft-Beschichtung) hin zu.After IR irradiation of the samples for 0.5 h, an ITO gradient develops in the coating. The ITO concentration increases towards the surface (air-coating interface).

Claims (10)

Verfahren zur Beschichtung von Oberflächen, gekennzeichnet durch folgende Verfahrensschritte: ➢ Aufbringen eines Beschichtungsmaterials auf die Oberfläche, wobei das Beschichtungsmaterial nanoskalige, anregbare Katalysatoren enthält; ➢ Anregung der Katalysatoren durch den Aufbau eines Energiegradienten innerhalb des aufgebrachten Beschichtungsmaterials. Process for coating surfaces, characterized by the following process steps: ➢ applying a coating material to the surface, the coating material containing nanoscale, excitable catalysts; ➢ Excitation of the catalysts by building up an energy gradient within the applied coating material. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß die Katalysatoren durch elektromagnetische Wellen oder mechanisch anregbar sind, und insbesondere ausgewählt sind aus der Gruppe bestehend aus Ceroxid, Titandioxid, Indiumzinnoxid (ITO), Antimonzinnoxid (ATO), fluordotiertes Zinnoxid (FTO), Wolframoxid, Eisenoxiden, Vanadiumoxide, Halbleitern, piezoelektrischen Stoffen und kristallinen organischen Polymeren.A method according to claim 1, characterized in that the catalysts are by electromagnetic waves or mechanically excitable, and in particular are selected from the group consisting of cerium oxide, titanium dioxide, indium tin oxide (ITO), antimony tin oxide (ATO), fluorine-doped tin oxide (FTO), tungsten oxide, Iron oxides, vanadium oxides, semiconductors, piezoelectric materials and crystalline organic polymers. Verfahren gemäß Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß das Beschichtungsmaterial ein organisches, anorganisches oder organisch-anorganisches nanoskaliges Beschichtungsmaterial ist, welches von 0,5 bis 90 Gew.%, vorzugsweise von 2 bis 60 Gew.-% nanoskalige, anregbare Katalysatoren enthält.A method according to claim 1 or claim 2, characterized in that the coating material is an organic, inorganic or organic-inorganic nanoscale coating material which is from 0.5 to 90 wt.%, Preferably from 2 to 60 wt .-% nanoscale, excitable catalysts contains. Verfahren gemäß Anspruch 3, dadurch gekennzeichnet, daß das organische Beschichtungsmaterial ein auf Epoxy-, Polyurethan-, Nitrocellulose-, Polyester-, Styrol-, Acrylat-, Methacrylat-, Melamin-, Phenolharz- oder Polycarbonat-Verbindungen basierendes Beschichtungsmaterial ist.A method according to claim 3, characterized in that the organic coating material is a coating material based on epoxy, polyurethane, nitrocellulose, polyester, styrene, acrylate, methacrylate, melamine, phenolic resin or polycarbonate compounds. Verfahren gemäß Anspruch 3, dadurch gekennzeichnet, daß das anorganische Beschichtungsmaterial ein auf Siloxanen, Tetraethoxysilan (TEOS) oder Silikonen basierendes Beschichtungsmaterial ist.Process according to claim 3, characterized in that the inorganic coating material is a coating material based on siloxanes, tetraethoxysilane (TEOS) or silicones. Verfahren gemäß Anspruch 3, dadurch gekennzeichnet, daß das organisch-anorganische Beschichtungsmaterial ein organisch modifiziertes Sol-Gel-Beschichtungsmaterial ist.A method according to claim 3, characterized in that the organic-inorganic coating material is an organically modified sol-gel coating material. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß die Anregung der Katalysatoren durch elektromagnetische Bestrahlung des aufgebrachten Beschichtungsmaterials, insbesondere durch UV-, IR-, Mikrowellen-, Gamma-, Röntgen- oder Laserbestrahlung, durch mechanische Beaufschlagung, insbesondere Druck, Zug oder Spannung oder durch chemische Beaufschlagung, insbesondere Gas- oder Flüssigkeitsbeaufschlagung erfolgt.A method according to claim 1, characterized in that the excitation of the catalysts by electromagnetic irradiation of the applied coating material, in particular by UV, IR, microwave, gamma, X-ray or laser irradiation, by mechanical loading, in particular pressure, tension or tension or by chemical action, in particular gas or liquid is applied. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß das Beschichtungsmaterial naßchemisch, insbesondere durch Sprühen, Tauchen, Fluten, Rollen, Streichen, Drucken, Schleudern, Rakeln oder aber durch Verdampfen im Vakuum auf ein Substrat aufgetragen wird.A method according to claim 1, characterized in that the coating material is wet-chemically, in particular by spraying, dipping, flooding, rolling, brushing, printing, spinning, knife coating or by evaporation in a vacuum applied to a substrate. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß das Beschichtungsmaterial nach dem Auftragen bei Temperaturen von Raumtemperatur bis 1.200°C, vorzugsweise von Raumtemperatur bis 250°C gehärtet wird, wobei das Härten vorzugsweise thermisch, mit Mikrowellenstrahlung oder UV-Strahlung erfolgt.A method according to claim 1, characterized in that the coating material is cured after application at temperatures from room temperature to 1200 ° C, preferably from room temperature to 250 ° C, wherein the curing is preferably carried out thermally, with microwave radiation or UV radiation. Verwendung des Verfahrens gemäß den Ansprüchen 1 bis 7 zur Herstellung von kratzresistenten, selbstreinigenden, UV- und bewitterungsstabilen, tribologischen, korrosionsresistenten, elektrisch leitfähigen, magnetischen, flammgeschützten, IRabsorbierenden und -reflektierenden oder bioziden Schichten, Antireflexschichten sowie als hochtemperaturfeste Druckfarben, insbesondere Siebdruckfarben.Use of the method according to claims 1 to 7 for the production of scratch-resistant, self-cleaning, UV and weathering resistant, tribological, corrosion-resistant, electrically conductive, magnetic, flame-retardant, IR absorbing and reflecting or biocidal layers, antireflection layers and as high temperature resistant printing inks, in particular screen printing inks.
EP20070017878 2006-09-18 2007-09-12 Method for coating surfaces and application of the method Not-in-force EP1900444B1 (en)

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