Title:
絶縁被膜付き電磁鋼板およびその製造方法、ならびに絶縁被膜形成用被覆剤
Document Type and Number:
Japanese Patent JP6501207
Kind Code:
B2
Abstract:
The purpose of the present invention is to provide: an electromagnetic steel sheet coated with an insulating film with excellent hardness and suitable for use as a material for iron cores of, for example, large-sized electric-power generators; and a process for producing the electromagnetic steel sheet coated with an insulating film. The purpose is achieved with a coating material for forming insulating films, the coating material comprising a solvent and components (A) to (C) contained therein in the respective amounts on a solid basis. (A) A water-compatible carboxylated resin; 100 parts by mass. (B) An aluminum-containing oxide; more than 40 parts by mass but less than 300 parts by mass per 100 parts by mass of the component (A). (C) At least one crosslinking agent selected from the group consisting of melamine, isocyanates, and oxazoline; 100 parts by mass or more but less than 300 parts by mass per 100 parts by mass of the component (A).
Inventors:
Nakagawa Nobuko
Naoki Muramatsu
Chiyoko Tada
Kengo Nakamura
Sugishita Tomonori
Naoki Muramatsu
Chiyoko Tada
Kengo Nakamura
Sugishita Tomonori
Application Number:
JP2016152980A
Publication Date:
April 17, 2019
Filing Date:
August 03, 2016
Export Citation:
Assignee:
jfe Steel Corporation
Dainippon Paint Co., Ltd.
Dainippon Paint Co., Ltd.
International Classes:
C09D201/08; B32B15/092; C09D7/61; C09D161/28; C23C26/00
Domestic Patent References:
| JP2013209739A | ||||
| JP10110273A | ||||
| JP2007197824A | ||||
| JP2010529282A |
Foreign References:
| WO2015029828A1 | ||||
| WO2015075792A1 |
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Haruko Sanwa