Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet

A coating composition for forming insulating films, a non-oriented electrical steel sheet with the coating composition coated thereon, and a method for forming the insulating films on the steel sheet, are disclosed. The coating composition includes the following ingredients for each 100g of phosphor...

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Bibliographische Detailangaben
Hauptverfasser:	YOO, YOUNG-JONG, CHANG, SAM-KYU, LEE, SEOK-JOO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ALLOYS BASIC ELECTRIC ELEMENTS 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 ELECTRICITY FERROUS OR NON-FERROUS ALLOYS FILLING PASTES GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSFORMERS TREATMENT OF ALLOYS OR NON-FERROUS METALS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A coating composition for forming insulating films, a non-oriented electrical steel sheet with the coating composition coated thereon, and a method for forming the insulating films on the steel sheet, are disclosed. The coating composition includes the following ingredients for each 100g of phosphoric acid of a primary aluminum phosphate solution. That is, they are 28 to 98g (solid weight) of an acid-soluble emulsion type acrylic-styrenic copolymer resin, 6 to 18g of zinc nitrate, 4 to 13g of a silicon additive, 18 to 35g of ethylene glycol, and 3 to 11g of nonionic surfactant. The non-oriented electrical steel is coated with the above coating composition. The coating composition is superior in the roll coating workability and in the film characteristics, and further, it is environmentphilic and has a superior aesthetics.