PROCESS FOR THE PRODUCTION OF PHOTOCATALYTIC COATINGS ON SUBSTRATES

A self cleaning photocatalytically active coated substrate, especially a glass substrate, is disclosed, the coated substrate having a photocatalytically active titanium oxide coating on one surface thereof The coated substrate exhibits, in one aspect, high photocatalytic activity of greater than 5 x...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AMMERLAAN, JOHANNES ANDREAS MARIA, MCCURDY, RICHARD JOSEPH, HURST, SIMON JAMES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 DIFFUSION TREATMENT OF METALLIC MATERIAL GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL 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 THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A self cleaning photocatalytically active coated substrate, especially a glass substrate, is disclosed, the coated substrate having a photocatalytically active titanium oxide coating on one surface thereof The coated substrate exhibits, in one aspect, high photocatalytic activity of greater than 5 x 10 cmmin and low visible light reflection measured on the coated side of 35% or lower and in another aspect is durable to abrasion such that the coated surface remains photocatalytically active after it has been subjected to 300 strokes of the European standard abrasion test.