SOLUTION COMPOSITION FOR STEEL SHEET SURFACE TREATMENT, ZINC-BASED PLATED STEEL SHEET SURFACE-TREATED WITH SAME, AND MANUFACTURING METHOD THEREFOR

The present invention provides: a solution composition for steel sheet surface treatment, the solution composition containing 30-60 wt% of a trivalent chromium compound including chromium phosphate (A) and chromium nitrate (B), 0.2-0.4 wt% of a rust-inhibiting and corrosion-resisting agent, 0.1-0.3...

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Bibliographische Detailangaben
Hauptverfasser:	CHO, Soo-Hyoun, PARK, Chang-Hyun, KIM, Dong-Yun, BAE, Dae-Chul
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS 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 POLISHES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention provides: a solution composition for steel sheet surface treatment, the solution composition containing 30-60 wt% of a trivalent chromium compound including chromium phosphate (A) and chromium nitrate (B), 0.2-0.4 wt% of a rust-inhibiting and corrosion-resisting agent, 0.1-0.3 wt% of a molybdenum-based compound, 5-10 wt% of a water-soluble cationic urethane resin, 0.5-2.0 wt% of a silane coupling agent, and 27.3-64.2 wt% of water; a zinc-based plated steel sheet surface-treated with the solution composition; and a manufacturing method for the steel sheet, wherein the zinc-based plated steel sheet treated with the solution composition for steel sheet surface treatment containing trivalent chromium has excellent effects in terms of corrosion resistance, blackening resistance, fingerprint resistance, oil resistance, and alkali resistance.