Patent ID: 7807324
Filing Date: 2010-10-05
Classification: G03G

Abstract:
1. An imaging member comprising a supporting substrate, a photogenerating layer, a charge transport layer comprising a charge transport component selected from the group consisting of N,N′-bis(4-butylphenyl)-N,N′-di-p-tolyl-[p-terphenyl]-4,4′-diamine, and N,N′-bis(4-butylphenyl)-N,N′-di-m-tolyl-[p-terphenyl]-4,4′-diamine, and mixtures thereof, and an overcoat layer comprised of a resole-type phenol-formaldehyde resin cross-linked to a phenolic charge transport component selected from the group consisting of N,N′-bis(3-hydroxyphenyl)-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine, N,N′-bis(4-hydroxyphenyl)-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine, N,N′-bis(4-hydroxyphenyl)-N,N′-di-m-tolyl-1,1′-biphenyl-4,4′-diamine, and N,N′-bis(3-hydroxyphenyl)-N,N′-di-m-methoxyphenyl-1,1′-biphenyl-4,4′-diamine, wherein the resole-type phenol-formaldehyde resin has a weight average molecular weight of from about 300 to about 50,000 and the overcoat layer comprises from about 30 to 35 weight percent of the phenolic charge transport component with the remainder consisting of the resole-type phenol-formaldehyde resin; wherein the components of the resole-type phenol-formaldehyde resin and the phenolic charge transport component are applied as a mixture onto the charge transport layer, and followed by heating the mixture in the presence of a catalyst; and wherein the charge transport component in the charge transport layer is different than the phenol resin containing phenolic charge transport component in the overcoat layer.