Use of material having ultrahydrohilic and photocatalytic surface

Making the surface of a base material ultra-hydrophilic comprises coating the surface with a layer contg. photocatalytic semiconductor material, e.g. titania and photo-exciting the photocatalytic material to adjust the angle of contact of the surface of the above layer with water to ca. 10[deg] or l...

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Hauptverfasser:	HASHIMOTO, KAZUHITO, HAYAKAWA, MAKOTO, MACHIDA, MITSUYOSHI, KITAMURA, ATSUSHI, WATANABE, TOSHIYA, FUJISHIMA, AKIRA, CHIKUNI, MAKOTO, KOJIMA, EIICHI, NORIMOTO, KEIICHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARTIFICIAL STONE BANDAGES, DRESSINGS OR ABSORBENT PADS BLASTING CEMENTS CERAMICS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMICAL PAINT OR INK REMOVERS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING CLEANING IN GENERAL 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 COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COFFEE MILLS COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONTACT LENSES CORRECTING FLUIDS DENTISTRY DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIFFUSION TREATMENT OF METALLIC MATERIAL DISINFECTION, STERILISATION, OR DEODORISATION OF AIR DOMESTIC ARTICLES OR APPLIANCES DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL DYES FILLING PASTES FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES FOMENTATION FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF FURNITURE GENERAL PROCESSES OF COMPOUNDING GLASS HEAT EXCHANGE IN GENERAL HEATING HOUSEHOLD OR TABLE EQUIPMENT HUMAN NECESSITIES HYGIENE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS JOINING GLASS TO GLASS OR OTHER MATERIALS LADDERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING LIME, MAGNESIA MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS POLISHES PREVENTION OF FOULING IN GENERAL PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROSTHESES REFRACTORIES REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SLAG SPECTACLES SPICE MILLS SPRAYING OR ATOMISING IN GENERAL STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SUCTION CLEANERS IN GENERAL SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES 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 PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE TREATMENT OR PROTECTION OF EYES OR EARS USE OF MATERIALS THEREFOR VEHICLES IN GENERAL WEAPONS WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	Making the surface of a base material ultra-hydrophilic comprises coating the surface with a layer contg. photocatalytic semiconductor material, e.g. titania and photo-exciting the photocatalytic material to adjust the angle of contact of the surface of the above layer with water to ca. 10[deg] or less.