Positive-charging organic photoconductor for liquid electrophotography.

摘要

An electrophotographic method for liquid toner development using an organic, positive-charging photoconductor ((+)OPC) is disclosed. The (+) OPC has a conductive substrate, and a polymeric binder with polar and non-polar functional moieties, the binder being a layer on the substrate greater than or equal to about 1 micron thick. Also, the (+) OPC has a phthalocyanine pigment component, and an arylamine sensitizer component selected from the group of: N-Ar(Ri)n, i = 1,2,3   (I) n = 0,5 where Ar = phenyl, naphthyl, biphenyl or ter-phenyl groups, and R = alkyl and alkoxy groups, and



        -(0-C-phenyl-N-phenyl)n ,   (II)



n = 1 - 10, both the phthalocyanine component and the arylamine sensitizer component being uniformly distributed throughout the binder component.