Title:
MAGNESIUM OXIDE FOR ANNEALING SEPARATING AGENT, AND GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2023/190806
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a magnesium oxide which is for an annealing separating agent and which is used for obtaining a grain-oriented electrical steel sheet having excellent coating characteristics. The present invention is a magnesium oxide for an annealing separating agent, for which the BET specific surface area is 12.0 m2/g to 30.0 m2/g and, according to measurement of the pore size distribution by mercury intrusion, the modal pore diameter is at least 0.1 µm but less than 0.4 µm and the modal pore volume is at least 1.3 cm3/g.
Inventors:
SHIBATA YUUKI (JP)
TSUTSUMI KEISUKE (JP)
TSUTSUMI KEISUKE (JP)
Application Number:
PCT/JP2023/013053
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
Assignee:
TATEHO KAGAKU KOGYO KK (JP)
International Classes:
C23C22/00; C21D8/12; C21D9/46
Domestic Patent References:
| WO2001083848A1 | 2001-11-08 | |||
| WO2002034965A1 | 2002-05-02 | |||
| WO2009001883A1 | 2008-12-31 |
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES (JP)
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