Title:
ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/011442
Kind Code:
A1
Abstract:
An electromagnetic steel sheet (10) is provided with a Jigane (a body of iron blade) (1) and an insulating coating film (2) formed on the surface of the Jigane (1). The insulating coating film (2) comprises: 100 parts by mass of a first component which comprises 100 parts by mass of a metal phosphate salt and 1-50 parts by mass of a component selected from the group consisting of an acrylic resin, an epoxy resin and a polyester resin each having an average particle diameter of 0.05-0.50 μm or a mixture or copolymer of at least two components selected from the aforementioned resins; and 0.5-10 parts by mass of a second component which comprises a dispersion or powder of a fluororesin having an average particle diameter of 0.05-0.35 μm.
Inventors:
TAKEDA, Kazutoshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
竹田 和年 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
KOSUGE, Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
小菅 健司 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
竹田 和年 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
KOSUGE, Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
小菅 健司 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
Application Number:
JP2011/066224
Publication Date:
January 26, 2012
Filing Date:
July 15, 2011
Export Citation:
Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目６番１号 Tokyo, 〒1008071, JP)
TAKEDA, Kazutoshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
竹田 和年 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
KOSUGE, Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目６番１号 Tokyo, 〒1008071, JP)
TAKEDA, Kazutoshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
竹田 和年 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
KOSUGE, Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
International Classes:
C23C22/00; B05D7/14; C21D9/46; C22C38/00; C22C38/06
Attorney, Agent or Firm:
KOKUBUN, Takayoshi (5th Floor, NBF Ikebukuro City Building 17-8, Higashi-Ikebukuro 1-chome, Toshima-k, Tokyo 13, 〒1700013, JP)
Claims:
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