发明申请
- 专利标题: ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
- 专利标题(中): 电工钢板及其制造方法
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申请号: US13809279申请日: 2011-07-15
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公开(公告)号: US20130115443A1公开(公告)日: 2013-05-09
- 发明人: Kazutoshi Takeda , Kenji Kosuge , Tatsuya Takase , Kohji Muneda
- 申请人: Kazutoshi Takeda , Kenji Kosuge , Tatsuya Takase , Kohji Muneda
- 申请人地址: JP Tokyo
- 专利权人: NIPPON STEEL & SUMITOMO METAL CORPORATION
- 当前专利权人: NIPPON STEEL & SUMITOMO METAL CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-166119 20100723
- 国际申请: PCT/JP2011/066224 WO 20110715
- 主分类号: H01B7/02
- IPC分类号: H01B7/02 ; B05D3/02
摘要:
An electrical steel sheet (10) is provided with a base iron (1) and an insulating film (2) formed on a surface of the base iron (1). The insulating film (2) contains: a first component: 100 parts by mass, the first component containing: a metal phosphate: 100 parts by mass; and one kind selected from a group consisting of an acrylic resin, an epoxy resin and a polyester resin which have an average particle size of 0.05 μm to 0.50 μm, or a mixture or copolymer of two or three kinds selected from the group: 1 part by mass to 50 parts by mass; and a second component composed of dispersion or powder of a fluorine resin having an average particle size of 0.05 μm to 0.35 μm: 0.5 parts by mass to 10 parts by mass.
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