- 专利标题： ELECTRICAL STEEL SHEET, AND ELECTRICAL STEEL SHEET LAMINATE
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申请号： EP21911405.5申请日： 2021-12-16
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公开(公告)号： EP4269515A1公开(公告)日： 2023-11-01
- 发明人: HA, Bongwoo , KIM, Jungwoo , SEO, Kang , KANG, Daegyu , NO, Taeyoung , LEE, Donggyu , PARK, Gyeongryeol
- 申请人： POSCO Co., Ltd
- 申请人地址： KR Pohang-si, Gyeongsangbuk-do 37859 6261, Donghaean-ro Nam-gu
- 代理机构： Meissner Bolte Partnerschaft mbB
- 优先权： KR20200180972 20201222
- 国际公布： WO2022139338 20220630
- 主分类号： C09D175/04
- IPC分类号： C09D175/04 ; B05D7/14 ; C09D7/40 ; B32B37/12 ; B32B15/01 ; C09J175/04 ; C09J5/06
摘要：
The present invention relates to an electrical steel sheet and a laminate thereof, and provided is an electrical steel sheet including: an electrical steel sheet; and a polyurethane coating layer positioned on the electrical steel sheet, in which the rebound elastic modulus of the polyurethane coating layer is 5% to 30%.
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