发明名称 |
COATING AGENT FOR ELECTRICAL STEEL SHEET, MANUFACTURING METHOD THEREFOR AND ELECTRICAL STEEL SHEET COATING METHOD USING SAME |
摘要 |
A coating agent for an electrical steel sheet and a manufacturing method therefor are disclosed. A coating agent for an electrical steel sheet according to an example embodiment of the present invention includes a metal phosphate derivative solution, colloid silica, chromium oxide, and solid silica, and a solvent, wherein the metal phosphate derivative is a single material of a magnesium phosphate derivative or a mixed material of an aluminum phosphate derivative and a magnesium phosphate derivative, and in the mixed material, an amount of aluminum phosphate derivative is 10 wt % or less (not including 0%). |
申请公布号 |
US2016322138(A1) |
申请公布日期 |
2016.11.03 |
申请号 |
US201415107905 |
申请日期 |
2014.12.17 |
申请人 |
POSCO |
发明人 |
HAN Min Soo;PARK Chang Soo;KIM Dae-Uk;SHIM Ho-Kyung;PARK Soon-Bok |
分类号 |
H01F1/147;C21D1/30;C01B35/14;C23C22/08;C09D1/00;H01B3/10;C21D9/46;C23C22/20 |
主分类号 |
H01F1/147 |
代理机构 |
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代理人 |
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主权项 |
1. A coating agent for an electrical steel sheet, comprising
a metal phosphate derivative solution, silica, and chromium oxide, wherein in the metal phosphate derivative solution, the metal phosphate derivative is a single material of a magnesium phosphate derivative or a mixed material of an aluminum phosphate derivative and a magnesium phosphate derivative, in the mixed material of the aluminum phosphate derivative and magnesium phosphate derivative, an amount of the aluminum phosphate derivative is 10 wt % or less (not including 0%). |
地址 |
Pohang-Si KR |