Patent ID: 7524596

Claim:
An electrophotographic imaging member comprising: an optional overcoat layer, a charge-generating layer, a charge-transporting layer, a substrate, and a backing layer; wherein said backing layer is located on the substrate opposite the side of the charge-transporting layer; and wherein said backing layer comprises: a polymer matrix; a particulate inorganic lubricant; and a particulate fluoropolymer; wherein said particulate inorganic lubricant is selected from the group consisting of boron nitride, graphite, molybdenum sulfide, and mixtures thereof; wherein said polymer matrix comprises a cross-linked polymer, wherein the cross-linked polymer is a polysiloxane produced by hydrolysis and condensation of a coating formulation that comprises an aromatic silicon-containing compound represented by Formula (I) and a silicon-containing hole-transport compound represented by Formula (II): wherein, A is a multiple-valent organic group; B is a hole-transport moiety; L is a divalent linkage; R is a hydrocarbon group selected from the group consisting of alkyl groups, arylalkyl groups, aryl groups, and alkylaryl groups; X is a hydrolytic group; m is an integer from 1 to 6; n is an integer from 0 to 2; and the m, n, L, R, and X of Formulas (I) and (II) are independently selected; wherein said particulate inorganic lubricant comprises a plurality of particles ranging in size of from about 0.05 to about 0.5 μm wherein the particulate inorganic lubricant and the particulate fluoropolymer are uniformly dispersed throughout the matrix.