Abstract: A flexible electrophotographic imaging member comprising a supporting substrate, at least one imaging layer on one side of the supporting substrate, a charge blocking layer, an optional adhesive layer, a charge-generating layer, a charge transporting layer, a seam overcoat layer comprising a coating solution of a co-polyester resin and having a thickness of from about 2 to about 4 micrometers and having a width of from about 2 to about 10 millimeters and wherein said co-polyester resin is present in an amount of from about 2 to about 40 percent by weight based on the total weight of said overcoat layer, and a binder. The imaging member exhibits an excellent life cycle; excellent wear resistance, excellent electrical performance, and outstanding print quality.

Abstract: An imaging member including at least a support, a charge blocking layer, a charge imaging layer, and an interfacial adhesive layer including at least a copolyester-polycarbonate resin. A process for fabricating the imaging member is also disclosed.

Abstract: A flexible electrophotographic imaging member comprising a supporting substrate, at least one imaging layer on one side of the supporting substrate, a charge blocking layer, an optional adhesive layer, a charge-generating layer, a charge transporting layer, a seam overcoat layer comprising a coating solution of a co-polyester resin and having a thickness of from about 2 to about 4 micrometers and having a width of from about 2 to about 10 millimeters and wherein said co-polyester resin is present in an amount of from about 2 to about 40 percent by weight based on the total weight of said overcoat layer, and a binder. The imaging member exhibits an excellent life cycle; excellent wear resistance, excellent electrical performance, and outstanding print quality.

Abstract: A purification process composed of: contacting a contaminated composition including an optional fluid, a polymer, and an impurity with an adsorbent composition including an adsorbent, wherein the adsorbent is selected from the group consisting of an alumina and a magnesium sulfate, wherein a portion of the impurity binds to the adsorbent, wherein the polymer is a polycarbonate, a carbazole, a polyarylate, or a copolyester having the formula where n is the degree of polymerization.

Abstract: An imaging member including at least a support, a charge blocking layer, a charge imaging layer, and an interfacial adhesive layer including at least a copolyester-polycarbonate resin. A process for fabricating the imaging member is also disclosed.

Abstract: A charge transport layer for a photoreceptor includes at least a bisphenol A-phthallic acid dichloride ester copolymer polycarbonate binder and at least one charge transport material. The charge transport layer exhibits excellent wear resistance, excellent electrical performance, and delivers superior print quality.

Abstract: A process for preparing an imaging member includes applying a first organic layer to an imaging member substrate, treating the first organic layer with one of corona discharge or plasma discharge; and applying a second organic layer to the first organic layer.

Abstract: A flexible electrostatographic imaging member having at least a first parallel side and a second parallel side, the imaging member includinga supporting substrate layer,at least one imaging layer on one side of the substrate layer,and an anticurl backing layer on the opposite side of the substrate layer, the anticurl backing layer includinga major central region having a substantially uniform thickness,a first minor edge region along the first parallel side, anda second minor edge region along the second parallel side, the first minor edge region and the second edge region each having a thickness greater than the thickness of the major central region.A process for fabricating the imaging member is also disclosed.

Abstract: An electrophotographic imaging member comprising a charge generating layer comprising trigonal selenium particles and a charge transport layer, the charge transport layer includinga protonic acid or Lewis acida charge transporting small molecule,a film forming polymer, andan additive selected from the group consisting of1-alkylpiperidene,triethylamine,a complex of 1-alkylpiperidene and a protonic acid or Lewis acid,a complex of triethylamine and a protonic acid or Lewis acid and mixtures thereof.This imaging member may be fabricated using a solvent for applying the charge transport layer.

Abstract: A tapered pot-like hub is disclosed which includes a bottom section and a rim, the rim comprising a plurality of circumferentially spaced resilient fingers extending at a slight incline outwardly from the axis of the pot-like hub away from the bottom section, the fingers having inner surfaces facing the axis and outer surfaces facing away from the axis, and an electrically conductive resilient loop spring comprising a first end, a second end and an arcuate intermediate section between the first end and the second end, the first end extending outwardly away from the axis past beyond the outer surfaces of adjacent fingers, the arcuate intermediate section extending around the inner surfaces of the fingers to form an arc in pressure contact with the inner surface of the fingers and the second end is adjacent the axis.

Abstract: An electrostatographic imaging member assembly comprising a hollow electrostatographic imaging drum having a first end and a second end, at least one coating on the drum extending from the first end of the drum to the second end of the drum, the coating having an outer electrostatographic imaging surface, drum supporting hubs mounted on the first end of the drum and the second end of the drum, the drum supporting hubs comprising a disk shaped member comprising a disk shaped segment having an exposed annular landing strip surface parallel to and flush with the electrostatographic imaging surface, the annular landing strip surface having a width of at least about 3 millimeters and having an imaginary axis coextensive with an imaginary axis of the drum. The electrostatographic imaging member assembly may be utilized in electrostatographic imaging apparatus in which the hubs support electrostatographic imaging apparatus subassembly components.

Abstract: A method of rendering nonreflective an imaging member substrate, preferably a photoreceptor substrate, involves etching the substrate with(a) an effective amount of an etching agent at a temperature sufficient to effect etching of the substrate, wherein the etching agent comprises (i) high purity deionized water, (ii) a mixture of high purity deionized water and a mild acid or (iii) a mixture of high purity deionized water and a base; or(b) a combination of the etching agent (a) and modulating ultrasonic energy.This method renders the substrate clean, spotless, and pristine, and provides it with uniform surface roughness.