INSULATING COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, AND ELECTRICAL STEEL SHEET COMPRISING INSULATING COATING

• Main Authors: KIM, BYUNGUL, KWON, MIN SERK, KIM, JUNG-WOO, CHOI, HEON-JO, SHIM, HO-KYUNG, NO, TAEYOUNG, KO, HYUNCHUL
• Format: Patent
• Language: English; French
• Published: 19.09.2023
• Subjects: 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; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INKS; 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; 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

One embodiment of the present invention comprises: an electrical steel sheet material; and an insulating coating which is on one or both sides of the electrical steel sheet material, wherein the insulating coating comprises a silane compound and a metal hydroxide. Un mode de réalisation de la présente invention comprend : un matériau en feuille d'acier électrique ; et un revêtement isolant qui se situe d'un côté ou des deux côtés du matériau en feuille d'acier électrique, le revêtement isolant comprenant un composé de silane et un hydroxyde métallique.