Method for rust inhibition treatment and rust inhibiting coating composition forsteel plate

The invention provides a rust inhibiting technology for zinc-coated and uncoated steel which insures at least the equivalent of results obtainable by the technology using a Cr-containing coating composition. This method for rust inhibition of steel comprises coating a zinc-coated or uncoated steel s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMAKURA, TOSHIAKI, TERAOKA, MIKA, KISHIMOTO, TETSURO, YOSHIDA, YUICHI, USUKI, KAZUHIKO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS 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 COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CORRECTING FLUIDS DIFFUSION TREATMENT OF METALLIC MATERIAL DYES FILLING PASTES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The invention provides a rust inhibiting technology for zinc-coated and uncoated steel which insures at least the equivalent of results obtainable by the technology using a Cr-containing coating composition. This method for rust inhibition of steel comprises coating a zinc-coated or uncoated steel substrate with a water-based resin composition comprising 30-100 parts by weight of solid matter of a carboxylated polyolefin resin and 70-0 part by weight of solid matter of at least one member selected from the group consisting of polyurethane resin, polyester resin, acrylic resin, epoxy resin, and alkyd resin as supplemented with 0.01-0.5 part by weight of phosphate ion based on 100 parts by weight of total solid matter of said water-based resin composition and adjusted to a pH value of not less than 7, either followed by heating the coated substrate at 50-250 DEG C to dry the coat or preceded by heating said steel substrate at 50-250 DEG C to let the then-applied coat dry spontaneously.