VERFAHREN ZUR ABSCHEIDUNG VON TITANOXID-SCHICHTEN UNTER VERWENDUNG VON LÖSLICHEN PULVERN

A sol-gel process for the production of titanium oxide layers which comprises the following stages:(i) preparation of a soluble, titanium-containing powder by:(a) reaction of a titanium alcoholate of the general formula Ti(OR)4, in which the radicals R are identical or different and represent straig...

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Bibliographische Detailangaben
Hauptverfasser:	MERKLEIN, STEPHAN, JAHN, RAINER, LOEBMANN, PEER
Format:	Patent
Sprache:	ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE DIFFUSION TREATMENT OF METALLIC MATERIAL GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INORGANIC CHEMISTRY JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A sol-gel process for the production of titanium oxide layers which comprises the following stages:(i) preparation of a soluble, titanium-containing powder by:(a) reaction of a titanium alcoholate of the general formula Ti(OR)4, in which the radicals R are identical or different and represent straight-chain, branched or cyclic alkyl or alkenyl radicals having 1 to 10 carbon atoms, which optionally have one or more carbonyl and/or ester and/or carboxyl functions, with one or more polar compounds with completing, chelating properties,(b) heating of the solution,(c) adding of water to the solution, optionally in the presence of a catalyst,(d) concentrating of the solution until a powder is obtained,(ii) dissolving of the powder to form a sol,(iii) coating of a substrate with the sol and(iv) heating of the coated substrate, described.