Patent ID: 8564391
Filing Date: 2013-10-22
Classification: C08G,C09D,H01F,Y10T

Abstract:
1. A lacquer composition as a corrosion protection lacquer for rare earth permanent magnets based on a resin mixture, an accelerator, an epoxy-functional adhesive agent based on silane, and a solvent, with the resin mixture comprising, based on the weight of the resin mixture: a) 20-40% by weight of at least one solid epoxy resin having an epoxy number of from 1-2 Eq/kg, b) 10-40% by weight solid multi-functional epoxy resin having an epoxy number >4 Eq/kg, c) 10-20% by weight phenol and/or cresol novolak having a melting point >30° C., and d) 40 to 60% by weight solid epoxy resin having an epoxy number <1 Eq/kg.