Abstract: The presently disclosed embodiments are directed generally to an improved electrophotographic imaging member in which the overcoat layer incorporates core-shell fluorinated nano- or micro-particles encapsulated in a melamine shell to reduce torque and cleaning failures during the photoreceptor cleaning process.

Abstract: The electrophotographic photosensitive member includes a support; an intermediate layer, a charge generation layer and a charge transport layer which are provided on a conductive support in this order, in which the intermediate layer contains an ethylene-acrylic acid binary copolymer and a polyolefin resin in which repeating structural units are contained in a particular ratio.

Abstract: An electrophotographic photoreceptor comprising: a conductive support, a photosensitive layer and an intermediate layer interposed between the conductive support and the photosensitive layer, wherein the intermediate layer contains metal oxide microparticles surface-treated with silicon dioxide anhydride and a binder resin; and the binder resin contains a polyamide resin containing a piperazine-based compound.

Abstract: Presently disclosed embodiments relate to an improved electrophotographic imaging member or photoreceptor comprising a surface layer on the photoreceptor, where the surface layer comprises secondary electron emitting materials that act as a robust electrically active layer. Photoreceptors incorporating such materials into or on the surface will exhibit an increase photoreceptor life and also a reduction the operating voltage of bias charge roll (BCR) charging systems while maintaining excellent charge uniformity.

Abstract: The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging member having a charge transport layer that is partially crosslinked, wherein the crosslinking is achieved by incorporating a small amount of compatible thermalsetting resins into the layer. Incorporation of these resins have been shown to increase charge transport life.

Abstract: An object of the present invention is to provide an electrophotographic photosensitive body which is not impaired in electrophotographic characteristics such as charged potential and residual potential, and which is also excellent in repeating stability. The present invention provides an electrophotographic photosensitive body including a conductive support having thereon a layer containing a specific p-terphenyl compound and at least one additive.

Abstract: The present disclosure relates to incorporation of boron nitride in the charge transport layer of a photoconductor. The boron nitride may have an aspect ratio of greater than 1.0, a D50 mean particle size of less than about 10.0 ?m and be present at about 5.0% (wt) or less in the charge transport layer. The cartridge may also include toner particles wherein the toner particles have a size range of about 1-25 ?m and an average degree of circularity of about 0.90-1.0. The photoconductor containing boron nitride when used in an electrophotographic printer may then provide acceptable dark decay and/or photoinduced decay (PID) curves relative to photoconductors that do not contain boron nitride along with improved resistance to toner filming.

Abstract: The presently disclosed embodiments are directed generally to an improved electrostatographic imaging member in which the overcoat layer comprises cross-linkable polyester resins. The overcoat layer not only provides wear resistance, but it also provides higher charge transport efficiency and therefore better photoelectrical properties. In addition, the polyesters can cross-link with a variety of resins and thus provide good adhesion as well.

Abstract: To provide an electrophotographic photoconductor including: a conductive substrate; a photosensitive layer; and a surface layer having grooves which do not intersect each other, the photosensitive layer and the surface layer being laid over the conductive substrate, wherein the grooves each have a width of 60 ?m to 100 ?m and a depth of 0.2 ?m to 2 ?m, wherein the standard deviation of the depths of the grooves is 1/10 or less of the average value of the depths of the grooves measured at any four places, and wherein the grooves are formed in a direction which diagonally crosses a main scanning direction and a sub-scanning direction of the electrophotographic photoconductor.

Abstract: An electrophotographic photoreceptor includes an electroconductive substrate and a photosensitive layer formed thereon, the photosensitive layer including a sub-layer that constitutes an outermost surface of the photosensitive layer, the sub-layer including an organic solvent having a boiling point of from about 65° C. to about 250° C. in an amount of from about 5,000 ppm to about 50,000 ppm, and the sub-layer including a polymer of a charge transporting material having a polymerizable group.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer, an intermediate layer having a thickness of 2 nm to 70 nm, and a surface layer, which are disposed in this order on the conductive substrate. The refractive index n1 of the photosensitive layer, the refractive index n2 of the intermediate layer, and the refractive index n3 of the surface layer satisfy an inequality, n2>n3>n1.

Abstract: An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer overlying the conductive substrate. The photosensitive layer comprises a phthalimide isoindole derivative having a specific chemical formula.

Abstract: An image bearing member including an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate, and a protection layer overlying the photosensitive layer, the photosensitive layer containing a diamine compound represented by the chemical structure 1, more of the diamine compound being disposed on the photosensitive layer side than the surface side relative to the midpoint in a depth direction of the protection layer: where X represents a substituted or non-substituted arylene group, or a compound represented by a chemical structure 2: where R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms, where A1, A2, A3, and A4 independently represent an alkyl group having 1 to 4 carbon atoms, a substituted or non-substituted aryl group, or —CH2(CH2)mZ, where Z represents a substituted or non-substituted aryl group, a substituted or non-substituted cycloalkyl group, and a substituted or non-substituted

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and where the photogenerating layer contains an ammonium salt, an imidazolium salt, or mixtures thereof.

Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, a charge transport layer or layers, and an overcoating layer containing a crosslinked mixture of a POSS component, a melamine polymer, and a charge transport like a hole transport compound.

Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a cyclohexanecarboxylate.

Abstract: The presently disclosed embodiments are directed generally to an improved electrophotographic imaging member in which the overcoat layer incorporates core-shell fluorinated nano- or micro-particles encapsulated in a melamine shell to reduce torque and cleaning failures during the photoreceptor cleaning process.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the at least one charge transport layer contains at least one phosphine oxide.

Abstract: An electrophotographic photosensitive member having a support and a photosensitive layer formed on the support, wherein the photosensitive layer contains a boron complex which is a product of the reaction of a compound having a phenolic hydroxyl group and a carbonyl group with a boron halide. Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.

Abstract: The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains terephthalate esters additives.

Abstract: Embodiments pertain to a novel imaging member, namely, an electrostatic latent image generating member that can generate an electrostatic latent image digitally without using a raster output scanner (ROS), photoreceptor and charger. The imaging member facilitates the charge injection process between an organic conjugated polymer and N,N?-diphenyl-N,N?bis(3-methylphenyl)-[1,1?-biphenyl]-4,4?diamine charge transport layer.

Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a urea resin mixture; a photogenerating layer; and at least one charge transport layer.

Abstract: A photoconductor that includes a supporting substrate, a hole blocking layer, a ground plane layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a SN containing compound and an aminosilane.

Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a melamine polymer, a photogenerating layer, and at least one charge transport layer.

Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover, wherein the undercoat layer contains an aminosilane and an epoxysilane, a photogenerating layer, and at least one charge transport layer.

Abstract: A conductive polymer having a high carrier transport ability, a conductive layer formed using the conductive polymer, an electronic device provided with the conductive layer having a high reliability, and electronic equipment provided with such an electronic device are provided. The conductive polymer includes a linear main chain, a plurality of carrier transport structures which contribute to carrier transport and each of which is represented by the following formula (1), and a linking structure which branches off from the main chain to link each of the carrier transport structures to the main chain: General Formula (1) where each R1 independently represents a hydrogen atom, a methyl group or an ethyl group, and the R1s are the same or different.

Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a nano- to micron-scale pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods for making the improved imaging member.

Abstract: An image forming apparatus including an image bearing member, a charging device, an irradiating device, a developing device, a transfer device, a fixing device, and a cleaning device, wherein the image bearing member includes a substrate on which a photosensitive layer and a cross-linked surface layer are accumulated and the cross-linked surface layer comprises a cross-linked material formed by curing a monomer having at least three radical polymerizable function groups without a charge transport structure and a radical polymerizable compound having a charge transport structure by a photo-energy irradiation device, wherein the toner has a volume average particle diameter of from 1 to 5 ?m and an average circularity of from 0.95 to 0.

Abstract: An electrophotographic photoreceptor includes an electroconductive substrate; and at least a photosensitive layer provided on the electroconductive substrate, wherein the electrophotographic photoreceptor has an outermost layer which contains microcapsules having a lubricating oil encompassed therein. The microcapsules may be composed of an inorganic porous particle or an organic polymer material, and the lubricating oil may be a silicone oil or a fluoro oil. Such a photoreceptor has a surface with excellent lubricity and is less susceptible to surface damage and filming from toner or the like while exhibiting good reuseability of toner.

Abstract: A photoconductor that includes a photogenerating layer, and a charge transport layer containing a charge transport component, and a core shell component, and wherein the core is comprised of a metal oxide and the shell is comprised of silica.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the charge transport layer contains a polysulfone.

Abstract: There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1).

Abstract: The invention provides an electrophotographic photoreceptor having a surface protection layer that satisfies the following requirements: (1) including a crosslinked substance of at least one selected from a guanamine compound or a melamine compound, and at least one charge transporting material having at least one substituent selected from —OH, —OCH3, —NH2, —SH or —COOH; (2) including the at least one of a guanamine compound or a melamine compound in an amount of from about 0.1 to about 5% by weight; and (3) having a universal hardness of from about 180 to about 220 N/mm2 and a creep ratio of from about 5% to about 8%, the universal hardness and the creep ratio being obtained by performing a hardness test by pushing a Vickers quadrangular pyramid diamond indenter against the surface protection layer at a maximum load of 20 mN, in an environment of 25° C. and a relative humidity of 50%.

Abstract: A photosensitive body according to this invention includes a photosensitive layer formed on a surface thereof for being electrically charged and having an electrostatic latent image formed thereon by being exposed to light irradiation, and wherein the photosensitive layer has an initial dynamic friction coefficient ?k0 of 0.6 or less against a prescribed member, and wherein where a dynamic friction coefficient of the photosensitive layer against the prescribed member after a prescribed friction is given is defined as a dynamic friction coefficient ?k1, the photosensitive layer has a dynamic friction coefficient variation amount ??k, as a difference between the initial dynamic friction coefficient ?k0 and the dynamic friction coefficient ?k1, of 0.06 or less.

Abstract: The disclosed embodiments are directed to an electrophotographic photoreceptor having a release layer. More particularly, the disclosure relates to an electrophotographic photoreceptor having a release layer which comprises an organosilane compound coated over the substrate surface. Other embodiments include methods for coating layer removal using a specifically configured electrophotographic photoreceptor having a release layer and methods for recovering a charge transport molecule.

Abstract: An electrophotographic photoreceptor including a conductive substrate, a photosensitive layer, and a cross-linked resin surface layer comprising a cross-linked resin having a charge transport structure, which satisfies the following inequations: 0.01<WRa(LLH)<0.04??(1-1) 0.01<WRa(LML)<0.04??(1-2) 0.01<WRa(LMH)<0.04??(1-3) 0.01<WRa(LHL)<0.04??(1-4) WRa(LHL)>WRa(LHH)??(2-1) WRa(LHL)>WRa(HLH)??(2-2) WRa(LHL)>WRa(HML)??(2-3) WRa(LHL)>WRa(HMH)??(2-4) WRa(LHL)>WRa(HHL)??(2-5) WRa(LHL)>WRa(HHH)??(2-6) wherein WRa (?m) represents an arithmetic average roughness according to JIS-B0601:2001 of frequency components that are obtained by subjecting a one-dimensional data array of a surface profile of the electrophotographic photoreceptor to a wavelet transformation multiresolution analysis.

Abstract: A photoconductor containing an optional supporting substrate, a thiophosphate containing photogenerating layer, and a charge transport layer which includes a polyhedral oligomeric silsesquioxane (POSS)-containing material and an optional thiophosphate.

Abstract: A method for evaluating an electrophotographic photoconductor in terms of filming occurrence is provided that comprises irradiating UV rays having a wavelength of 200 nm to 420 nm onto the electrophotographic photoconductor and measuring fluorescence emitted from the electrophotographic photoconductor.

Abstract: A photoconductor that includes an optional supporting substrate, a photogenerating layer, and at least one charge transport layer, and wherein the charge transport layer contains a phenolic chelating additive.

Abstract: An imaging member containing a substrate, and an outer layer containing a sulfur-containing additive, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to the charge-retentive surface to develop the electrostatic latent image to form a developed image on the charge-retentive surface; a transfer component to transfer the developed image from the charge-retentive surface to another member or a copy substrate; and a fusing member to fuse the developed image to the copy substrate.

Abstract: Disclosed is a photoelectric conversion element comprising a conductive support and provided thereon, a semiconductor layer, a charge transporting layer and an opposed electrode, the semiconductor layer comprising a semiconductor with a dye, wherein the dye is a compound represented by the following formula (1).

Abstract: The present invention is characterized in that an electrophotographic photoreceptor comprises an electrically conductive support and provided thereon, a charge generation layer and a charge transport layer in that order, wherein the charge transport layer contains a resin having a repeating unit represented by the following formula (1), a charge transport material represented by the following formula (2), and an ultraviolet absorbent in an amount of from 0.1 to 30.0% by weight based on the weight of the charge transport material, and can provide an organic photoreceptor exhibiting high thin line reproduction, employing a small diameter exposure light spot, and excellent durability capable of forming a stable image for a long period, wherein even when an image is repeatedly formed at high speed, exposure electric potential variation is reduced and image memory generation is prevented, and an image formation apparatus employing the organic photoreceptor.

Abstract: Disclosed herein is a flexible imaging member having a high concentration of a charge transport compound having optimum enhanced mechanical and electrical characteristics. By increasing the concentration of the charge transport compound to a level of from about 55 weight percent or more, including from about 55 weight percent to about 70 weight percent, and from about 55 weight percent to about 65 weight percent, a flexible imaging member can be produced with reduced residual voltage and/or improved sensitivity. Furthermore, the fatigue cracking resistance of the charge transport layer can be improved through the implementation of a heat stress release process described more particularly herein.

Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenol polysulfide, a photogenerating layer, and at least one charge transport layer.

Abstract: A protective-agent applying device that applies a protective agent mainly containing paraffin to a photosensitive element. The protective-agent applying device applies a protective agent to a surface of the photosensitive element in such a manner that when applying the protective agent for 10 minutes, the protective agent equal to or more than 0.5 ?g/cm2 adheres to the surface, and when applying the protective agent for 60 minutes, the protective agent equal to or less than 8 ?g/cm2 adheres to the surface.

Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic imaging member incorporating a thermoplastic material pre-compounded to impart conductivity to the anti-curl back coating layer and may also contain an adhesion promoter which provides a conductively and optically anti-curl back coating layer. The conductive anti-curl back coating of the present disclosure may be formulated to have a single layer, dual layers, or triple layers.

Abstract: Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, a first charge transport layer in contact with the photogenerating layer, the first charge transport layer comprising a charge transport material and an organic phosphate or organic phosphonite antioxidant, and a second charge transport layer in contact with the first charge transport layer, the second charge transport layer comprising a charge transport material and a hydroquinone antioxidant, wherein the first charge transport layer is situated between the second charge transport layer and the photogenerating layer.

Abstract: A photoconductor that includes, for example, a backing layer, a supporting substrate, a photogenerating layer, and a charge transport layer, and where the outermost layer of the backing layer is comprised of a mixture of a glycoluril resin and a polyacetal resin.

Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic imaging member incorporating a carbon nano tube dispersion into a high molecular weight polycarbonate and an anti-static copolymer with polyester, polycarbonate, and polyethylene glycol units in a formulation for the anti-curl back coating layer which provides a conductively suitable and stable dispersion coating solution for making an optically suitable anti-curl back coating layer.

Abstract: A process including reacting a substituted or unsubstituted arylamine or a mixture thereof with a Vilsmeier reagent in the presence of a weakly polar liquid.