Photoconductive imaging members

A photoconductive imaging member comprised in sequence of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups, and wherein said phenolic compound is 4,4′-isopropylidenediphenol.

A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups, and wherein said phenolic compound is 4,4′-ethylidenebisphenol.

A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups, and wherein said phenolic compound is bis(4-hydroxyphenyl)methane.

A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups, and wherein said phenolic compound is selected from the group consisting of 4,4′-(1,3-phenylenediisopropylidene) bisphenol, 4,4′-(1,4-phenylenediisopropylidene) bisphenol, 4,4′-cyclohexylidene bisphenol, 4,4′-(hexafluoroisopropylidene) diphenol, 1,3-benzenediol, and 1,4-benzenediol, and 1,4-benzenediol.

A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups, and wherein said phenolic compound is of the formula:

A photoconductive imaging member comprised of a supporting substrate, a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a mixture of a metal oxide, and a phenolic compound and a phenolic resin, and wherein said phenolic compound is bisphenol A (4,4′-isopropylidenediphenol), bisphenol E (4,4′-ethylidenebisphenol), bisphenol F (bis(4-hydroxyphenyl)methane), bisphenol M (4,4′-(1,3-phenylenediisopropylidene) bisphenol), bisphenol P (4,4′-(1,4-phenylenediisopropylidene) bisphenol), bisphenol S (4,4′-sulfonyldiphenol), bisphenol Z (4,4′-cyclohexylidenebisphenol), hexafluorobisphenol A (4,4′-(hexafluoroisopropylidene) diphenol), resorcinol, hydroxyquinone or catechin, and wherein said blocking layer is provided on an aluminum drum followed by heat curing said member at a temperature of from about 135° C. to about 185° C.

A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal oxide;

• and a mixture of a phenolic compound and a phenolic resin wherein the phenolic compound contains at least two phenolic groups wherein said phenolic compound is 4,4′-sulfonyldiphenol, 4,4′-isopropylidenediphenol, 4,4′-ethylidenebisphenol, bis(4-hydroxyphenyl)methane, 4,4′-(1,3-phenylenediisopropylidene) bisphenol, 4,4-(1,4-phenylenediisopropylidene)bisphenol, 4,4′-cyclohexylidenebisphenol, 4,4′-(hexafluoroisopropylidene) diphenol, 1,3-benzenediol, 1,4-benzenediol, or of the formula