Adhesive Resin Composition Coated Electromagnetic Steel Sheet And

Adhesive Resin Composition Coated Electromagnetic Steel Sheet And Method For Manufacturing Same

Abstract: An adhesive resin composition-coated electromagnetic steel sheet comprising a steel sheet and an adhesive resin composition coating film provided to at least one surface of the steel sheet, wherein the adhesive resin composition coating film is a semi-cured object of an adhesive resin composition that contains a curing agent and an adhesive resin containing a thermosetting resin as at least a portion thereof, the maximum penetration ? of the adhesive resin composition coating film at 100-300°C as measured through a thermomechanical analysis described in JIS K 7196:2012 is not less than 3% but less than 100%, a portion of the curing agent exists in the adhesive resin composition coating film in a crystal state, and the depolarization light scattering intensity I of the adhesive resin composition coating film is 1.00×107 to 50.00×107.

Patent Information

Application #

Filing Date

04 February 2025

Publication Number

08/2025

Publication Type

INA

Invention Field

POLYMER TECHNOLOGY

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. ARAMAKI, Takashi

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

2. SUZUKI, Yuki

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

3. OISHI, Hiroshi

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

#	Name	Date
1	202517009114-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [04-02-2025(online)].pdf	2025-02-04
2	202517009114-STATEMENT OF UNDERTAKING (FORM 3) [04-02-2025(online)].pdf	2025-02-04
3	202517009114-REQUEST FOR EXAMINATION (FORM-18) [04-02-2025(online)].pdf	2025-02-04
4	202517009114-PROOF OF RIGHT [04-02-2025(online)].pdf	2025-02-04
5	202517009114-PRIORITY DOCUMENTS [04-02-2025(online)].pdf	2025-02-04
6	202517009114-POWER OF AUTHORITY [04-02-2025(online)].pdf	2025-02-04
7	202517009114-FORM 18 [04-02-2025(online)].pdf	2025-02-04
8	202517009114-FORM 1 [04-02-2025(online)].pdf	2025-02-04
9	202517009114-DRAWINGS [04-02-2025(online)].pdf	2025-02-04
10	202517009114-DECLARATION OF INVENTORSHIP (FORM 5) [04-02-2025(online)].pdf	2025-02-04
11	202517009114-COMPLETE SPECIFICATION [04-02-2025(online)].pdf	2025-02-04
12	202517009114-FORM 3 [04-07-2025(online)].pdf	2025-07-04