Patent ID: 6100001
Filing Date: 2000-08-08
Classification: C08F,G03G,Y10S

Abstract:
An electrophotographic carrier comprising 100 to 1000 parts by weight of a magnetic powder and 100 parts by weight of a nitrile resin as a carrier, said nitrile resin comprising a matrix component and a rubber polymer, said nitrile resin resulting from graft-copolymerization of 100 parts by weight of a monomer mixture comprising unsaturated nitrile and alkyl acrylate which forms the matrix component in the presence of 1 to 30 parts by weight of a rubber polymer comprising 50% by weight or more of conjugated diene units, said nitrile resin having a glass transition temperature of 50 to 69.degree. C., wherein the matrix component comprises 45 to 80% by weight of unsaturated nitrile units based on the total weight of the matrix component and 20 to 55% by weight of alkyl acrylate units based on the total weight of the matrix component and has a weight average molecular weight of 30,000 to 150,000.