COATING FILM STRUCTURE EXCELLENT IN RESISTANCE TO CORROSION FROM SEAWATER

PROBLEM TO BE SOLVED: To provide a coating film structure capable of improving the resistance to corrosion from seawater. SOLUTION: A chemical film 12 is formed by chromic acid-chromating the surface of an aluminum member 11, an under coating film 13 is formed on the chemical film 12 by applying a c...

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Bibliographische Detailangaben
Hauptverfasser:	FUJINO KIYOSHI, KATSUMOTO JIYUNJI
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING 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 COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL DIFFUSION TREATMENT OF METALLIC MATERIAL EQUIPMENT FOR SHIPPING HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a coating film structure capable of improving the resistance to corrosion from seawater. SOLUTION: A chemical film 12 is formed by chromic acid-chromating the surface of an aluminum member 11, an under coating film 13 is formed on the chemical film 12 by applying a coating material using one of an acrylic resin, an epoxy resin and an urethane resin as a base resin and zinc phosphate as a rust preventive pigment and a top coating film 15 is formed on the surface of the under coating film 14 by applying a coating material using one of an acrylic resin and an urethane resin as a base resin.