TERNARY HOT-DIP GALVANNEALED STEEL SHEET SURFACE TREATMENT SOLUTION COMPOSITION FOR PROVIDING EXCELLENT BLACKENING RESISTANCE AND ALKALI RESISTANCE, TERNARY HOT-DIP GALVANNEALED STEEL SHEET SURFACE-TREATED USING SAME, AND MANUFACTURING METHOD THEREFOR

The present invention relates to a surface treatment composition comprising, on the basis of 100 wt% of the solid part of the composition, 20-40 wt% of a water-soluble polyurethane resin, 40-60 wt% of a silane-based sol-gel resin in which three types of silane compounds are cross-linked, 5-15 wt% of...

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Bibliographische Detailangaben
Hauptverfasser:	CHO, Soo-Hyoun, SON, Won-Ho
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 COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 ORGANIC MACROMOLECULAR COMPOUNDS 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 THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to a surface treatment composition comprising, on the basis of 100 wt% of the solid part of the composition, 20-40 wt% of a water-soluble polyurethane resin, 40-60 wt% of a silane-based sol-gel resin in which three types of silane compounds are cross-linked, 5-15 wt% of a curing agent, 0.5-1.5 wt% of a corrosion inhibitor, 0.1-1.0 wt% of a molybdenum-based compound, 1.0-3.0 wt% of a silane coupling agent; 1.0-2.0 wt% of an organometallic complex,1.0-2.0 wt% of an acid scavenger, 0.1-1.0 wt% of an aluminum-based compound, and 1.0-2.0 wt% of a lubricant. A ternary hot-dip galvannealed steel sheet treated with a chromium-free surface treatment coating agent, according to an exemplary embodiment in the present invention, in particular, has excellent blackening resistance, alkali resistance and corrosion resistance and provides excellent effects without concern for problems, in chromium treatment, of additional equipment installation, an increase in manufacturing costs and environmental pollution.