Coating products for electrical steel plates, electrical steel plates, multi-layer core and electric motors

Abstract

The invention relates to a coating preparation for steel plates comprising epoxy resin, a latent epoxy resin hardener, and a thermoplastic elastomer, wherein the thermoplastic elastomer has a melting point higher than or equal to 100°C and lower than or equal to 200°C and a flexural elastic modulus greater than 5 MPa and less than or equal to 100 MPa. and in which the amount of thermoplastic elastomer compared to the total amount of 100 parts by weight of epoxy resin and potential epoxy resin modifier is greater than or equal to 10 parts by weight and less than 40 parts by weight