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US 2025/0051603 A1Published application
Insulation coating composition for electrical steel sheet, electrical steel sheet, and method for manufacturing same
AssigneePosco
InventorsMin Serk KWON, Se-Min PARK, Heon-Jo CHOI
Life of this patent
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Abstract
An insulation coating composition for an electrical steel sheet according to an exemplary embodiment of the present disclosure contains 100 parts by weight of a resin containing two or more aromatic rings or aliphatic rings in a repeating unit and 20 to 150 parts by weight of zirconium phosphate.
Claims13
An insulation coating composition for an electrical steel sheet, comprising:
- 100 parts by weight of a resin containing two or more aromatic rings or aliphatic rings in a repeating unit;
- and
- 20 to 150 parts by weight of zirconium phosphate.
An electrical steel sheet comprising:
- an electrical steel sheet substrate;
- and
- an insulation coating located on a surface of the electrical steel sheet substrate,
- wherein the insulation coating contains 100 parts by weight of a resin containing two or more aromatic rings or aliphatic rings in a repeating unit and 20 to 150 parts by weight of zirconium phosphate.
1 more element
A method for manufacturing an electrical steel sheet, the method comprising:
- preparing an electrical steel sheet substrate;
- and
- applying an insulation coating composition to a surface of the electrical steel sheet substrate to form an insulation coating,
- wherein the insulation coating composition contains 100 parts by weight of a resin containing two or more aromatic rings or aliphatic rings in a repeating unit and 20 to 150 parts by weight of zirconium phosphate.
1 more element
Dependencies are inferred from the claim text.