Xerox Corporation

Leon A Teuscher

John F Yanus

Damodar M Pai

Satchidanand Mishra

Timothy J Fuller

William W Limburg

Kathleen M Carmichael

Edward F Grabowski

Dale S Renfer

Ian D Morrison

Ronald F Ziolo

Paul F Zukoski

Andrea G Holland

Robert C Yu

Huoy-Jen Yuh

John W Spiewak

Cindy C Chen

Steven J Grammatica

Richard H Nealey

Andrew R Melnyk

Christine J Tarnawskyj

Paul J Brach

Frank Y Pan

Disclosed is an imaging member which comprises a conductive substrate, a photogenerating layer, and a charge transport layer comprising a polymer of the formulae I, II, III, IV, V, VI, VII, VIII, IX, or X as further defined herein.

Imaging members containing high performance charge transporting polymers

Disclosed is an imaging member which comprises a conductive substrate, a photogenerating material, a charge transport material, and a polymeric binder comprising (a) a first polymer comprising a polycarbonate, and (b) a second polymer of the formulae I, II, III, IV, V, VI, VII, VIII, IX, or X as further defined herein.

Imaging members with charge transport layers containing high performance

Disclosed is an imaging member which comprises a conductive substrate, a photogenerating material, and a binder which comprises a polymer of the formulae I, II, III, IV, V, VI, VII, VIII, IX, or X as further defined herein.

Imaging members containing high performance polymers

There is disclosed an electrostatographic imaging member comprising: (a) a supporting substrate including an electrically conductive surface; (b) at least one electrostatographic imaging layer; and (c) an electrically conductive grounding layer adjacent to the at least one imaging layer and in electrical contact with the electrically conductive surface, wherein the grounding layer is comprised of alkyl acrylamidoglycolate alkyl ether polymer.

Image member including a grounding layer

An electrophotographic imaging member provided with a supporting substrate, a conductive layer, a charge blocking layer, an optional adhesive layer, a charge generating layer and a charge transport layer, wherein the charge generating layer contains a photogenerating pigment and a copolyester adhesive dopant blended into a film-forming polymer binder. The doping of the charge generating layer with a copolyester adhesive permits the elimination of the need of the optional adhesive layer for effective cost saving measure. If the adhesive layer is provided, the adhesion strength between the charge generating layer and the adhesive layer is significantly enhanced by up to about four times.

Multilayer electrophotographic imaging member comprising a charge

Charge blocking materials include a complex or salt of a film forming material containing at least one nitrogen-containing compound, such as an amino, an imino or a tertiary amine group, chelated to a metal ion or atom. The charge blocking materials may be used in a charge blocking layer of an electrophotographic imaging member. The charge blocking materials may be used with transparent conductive layers, for example, comprising cuprous iodide.

Blocking layer for photoreceptors

An electrophotographic imaging member includes a blocking layer formed from a maleic acid half ester copolymer which has free acid groups neutralized by an alkali metal. The imaging member may be provided with a conductive layer formed from a phenolic resin and dispersed carbon black particles in an amount which allows sufficient transparency for rear erasure.

Electrophotographic imaging member

Polymeric tertiary arylamine compounds of the phenoxy resin type which find utility especially in electrophotographic imaging.

Arylamine containing polyhydroxyether resins

An electrophotographic imaging member comprising a supporting substrate having an electrically conductive surface, a polymeric blocking layer and at least one photoconductive layer, the polymeric blocking layer having a surface resistivity greater than about 10.sup.10 ohm/sq between the supporting substrate and the photoconductive layer, the blocking layer comprising the heat dried product of a coating mixture comprising a film forming acid, metal salt, or ester copolymer comprising a backbone chain of repeating hydrocarbon units and acidic or acid derivative groups as pendant side chains chemically bonded to the backbone chain, the acidic groups selected from the group consisting of sulfonic acids, carboxylic acids, phosphonic acids and acid anhydrides, and silica gel.

Electrophotographic imaging member with a copolymer blocking layer

An imaging member comprising an electrophotographic imaging member comprising a substrate having an electrically conductive surface, a charge generator layer, a charge transport layer comprising a polycarbonate film forming binder and a charge transporting small molecule, and an interface layer comprising a polymer and a charge transporting between the charge generator layer and the charge transport layer, wherein the interface layer comprises a mixture of a charge transporting material and certain phenolic epoxy polymers of polyesters.

Phenolic epoxy polymer or polyester and charge transporting small

A process for preparing an electrophotographic imaging member comprising a substrate having an electrically conductive surface, a charge generating layer and a charge transport layer contiguous to the charge generating layer, the process comprising preparing a dispersion of finely divided photoconductive particles in a liquid in which the particles are insoluble, the liquid comprising at least 0.25 percent by weight of an alcohol based on the total weight of the liquid, applying a thin coating of the dispersion on a substrate, evaporating substantially all of the liquid from the coating, and embedding the particles in a film forming polymer matrix to form the charge generating layer.

Process for preparing an electrophotographic imaging member

An electrostatographic imaging member and an electrophotographic imaging process for using the imaging member are disclosed in which the imaging member comprises a substrate and at least one electrophotoconductive layer, the imaging member comprising a polymeric arylamine compound represented by the formula: ##STR1## wherein: R is selected from the group consisting of --H, --CH.sub.3, and --C.sub.2 H.sub.5 ;

Arylamine containing polyhydroxy ether resins and system utilizing

An electrostatographic imaging member comprising a photoconductive layer comprising an organic resin binder and photoconductive particles comprising selenium coated with thin layer of a reaction product of a hydrolyzed aminosilane. This electrostatographic imaging member may be prepared by forming a mixture of an organic resin binder, the photoconductive particles coated with a thin layer of a reaction product of a hydrolyzed aminosilane and a solvent for the binder to form a uniform dispersion, forming the dispersion into a uniform layer, and drying the uniform layer to form a photoconductive layer.

Photoreceptor containing selenium particles coated with a reaction

An electrical resistor comprising an insulating substrate, a thin continuous siloxane film of a reaction product of a hydrolyzed silane coated on the insulating substrate, the hydrolyzed silane may have the general formula: ##STR1## wherein R.sub.1 is an alkylidene group containing 1 to 20 carbon atoms, R.sub.2, R.sub.3 and R.sub.7 are independently selected from the group consisting of H, a lower alkyl group containing 1 to 3 carbon atoms and a phenyl group, X is an anion of an acid or acidic salt, and y is 1, 2, 3 or 4, and at least two spaced apart electrodes in electrical contact with the thin continuous siloxane film on the insulating substrate. Processes for preparing and using the resistor are also disclosed.

Growing community of inventors

Webster, NY, United States of America

Leon A Teuscher