Title:
ELECTRICAL STEEL SHEET, AND ELECTRICAL STEEL SHEET LAMINATE
Document Type and Number:
WIPO Patent Application WO/2022/139338
Kind Code:
A1
Abstract:
The present invention relates to an electrical steel sheet and an electrical steel sheet laminate, and provided is an electrical steel sheet, comprising: an electrical steel sheet; and a polyurethane coating layer positioned on the electrical steel sheet, wherein the rebound elastic modulus of the polyurethane coating layer is 5% to 30%.
Inventors:
HA BONGWOO (KR)
KIM JUNGWOO (KR)
SEO KANG (KR)
KANG DAEGYU (KR)
NO TAEYOUNG (KR)
LEE DONGGYU (KR)
PARK GYEONGRYEOL (KR)
KIM JUNGWOO (KR)
SEO KANG (KR)
KANG DAEGYU (KR)
NO TAEYOUNG (KR)
LEE DONGGYU (KR)
PARK GYEONGRYEOL (KR)
Application Number:
PCT/KR2021/019226
Publication Date:
June 30, 2022
Filing Date:
December 16, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C09D175/04; B05D7/14; B32B15/01; B32B37/12; C09D7/40; C09J5/06; C09J175/04
Foreign References:
| KR20200036536A | 2020-04-07 | |||
| US6657035B1 | 2003-12-02 | |||
| KR20200128077A | 2020-11-11 | |||
| KR20150061472A | 2015-06-04 | |||
| KR20200118804A | 2020-10-16 | |||
| KR20190136947A | 2019-12-10 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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