PRODUCTION OF SURFACE COATED ELECTRICAL STEEL SHEET FOR HEAT ADHESION

Japanese Patent JP3613809

B2

PURPOSE: To obtain a surface coated electrical steel sheet for heat adhesion excellent in blocking property in a short laminate bond time, high in adhesiveness at the time of heating and showing sufficient adhesive strength even in a high temp, atmosphere after adhesion.
CONSTITUTION: A water based coating material containing (A) an emulsion composed of a thermoplastic resin having ≥80°C glass transition point, (B) an epoxy resin emulsion, (C) a water based phenol resin and if necessary, (D) a water based acrylic silicone resin is applied by a coating machine to obtain a dry film of thickness of 1-10μm, dried and heated so as to be 150-300°C in attainable temp, of the plate.

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Yamaguchi Katsuro
Kunihiko Eguchi
High No Shigeru
Hideo Kobayashi

JP15873494A

January 26, 2005

July 11, 1994

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jfe Steel Corporation

B05D7/24; B05D7/14; C23C22/00; C23C22/74; (IPC1-7): B05D7/14; B05D7/24

JP2038042A
JP6136317A
JP7256206A
JP2208034A
JP5237968A
JP6182929A

Nozomi Watanabe
Haruko Sanwa

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