Title:
INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/121272
Kind Code:
A1
Abstract:
An insulation coating composition for an electrical steel sheet, according to one embodiment of the present invention, comprises, with respect to 100 parts by weight of solid content, 30-60 parts by weight of an organic/inorganic composite in which inorganic nanoparticles are substituted in a resin, 15-45 parts by weight of a metal phosphate, 10-40 parts by weight of kaolin, 1-10 parts by weight of an inorganic dispersant, and 0.1-5 parts by weight of a carbon structure.
Inventors:
KIM JUNGWOO (KR)
HA BONGWOO (KR)
LEE DONGGYU (KR)
NO TAEYOUNG (KR)
HA BONGWOO (KR)
LEE DONGGYU (KR)
NO TAEYOUNG (KR)
Application Number:
PCT/KR2022/020911
Publication Date:
June 29, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
C23C22/08; C23C22/20
Foreign References:
| KR20190110097A | 2019-09-27 | |||
| KR20140060719A | 2014-05-21 | |||
| JP6652229B1 | 2020-02-19 | |||
| US20170313887A1 | 2017-11-02 | |||
| JP3911965B2 | 2007-05-09 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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