Patent ID: 7476483
Filing Date: 2009-01-13
Classification: G03G

Abstract:
1. A carrier for electrophotographic developer comprising a resin carrier core comprising a binder resin and magnetic powder dispersed in the binder resin, and a coating layer comprising a coating resin on a surface of the core, the binder resin being a silicone resin obtained by curing of a polysiloxane compound (A) having an epoxy group and a polysiloxane compound (B) having a functional group (b) capable of reacting with the epoxy group, due to a ring-opening addition reaction; the silicone resin containing at least one functional group (c) selected from the group consisting of an epoxy group derived from the polysiloxane compound (A) and a functional group (b) derived from the polysiloxane compound (B); the coating resin containing at least one functional group (s) selected from the group consisting of an epoxy group and a functional group (d) capable of reacting with an epoxy group; the functional group (c) and the functional group (s) forming a chemical bond.