Patent application number | Description | Published |
20080220349 | Photoconductors containing halogenated binders and aminosilanes - A photoconductor containing a supporting substrate; an undercoat layer comprised of a mixture of an aminosilane and a halogenated polymer; a photogenerating layer; and at least one charge transport layer. | 09-11-2008 |
20090092911 | ADDITIVE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - 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 charge transport layer contains at least one of an ammonium salt. | 04-09-2009 |
20090092912 | IMIDAZOLIUM SALT CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - A photoconductor comprising 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 imidazolium salt. | 04-09-2009 |
20090092913 | ADDITIVE CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - 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. | 04-09-2009 |
20090092914 | PHOSPHONIUM CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a phosphonium salt containing photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component. | 04-09-2009 |
20090092915 | PHOSPHONIUM CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - 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 phosphonium salt. | 04-09-2009 |
20090162637 | CARBON NANOTUBE FILLED POLYCARBONATE ANTI-CURL BACK COATING WITH IMPROVED ELECTRICAL AND MECHANICAL PROPERTIES - Transparent or semi-transparent, electrically conductive anti-curl back coating composite for electrophotographic imaging member comprising a carbon nanotube complex and a polycarbonate binder are described along with processes for preparing them. | 06-25-2009 |
20090162761 | OPTICALLY TRANSPARENT SOLVENT COATABLE CARBON NANOTUBE GROUND PLANE - In accordance with the invention, there are xerographic photoreceptors, image forming apparatus, and methods of forming an image on image. The xerographic photoreceptor can include a substrate and a conductive ground plane having an optical transparency disposed over the substrate, the conductive ground plane including a carbon nanotube layer, such that machine cycling of the xerographic photoreceptor can produce less than approximately a 10% change in the optical transparency of the conductive ground plane after about 100,000 or more machine cycles. The xerographic photoreceptor can also include a photosensitive layer disposed over the conductive ground plane, wherein the photosensitive layer can include a charge generator material and a charge transport material. | 06-25-2009 |
20090246667 | THIADIAZOLE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and wherein the charge transport layer also contains a thiadiazole. | 10-01-2009 |
20090253059 | LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life. | 10-08-2009 |
20090274968 | PYRAZINE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - 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 charge transport layer contains a pyrazine. | 11-05-2009 |
20090274970 | CARBAZOLE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - 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 charge transport layer contains a carbazole. | 11-05-2009 |
20090325090 | PHENOLIC RESIN HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate, a first layer like a ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenolic resin, a photogenerating layer, and at least one charge transport layer. | 12-31-2009 |
20100055588 | CHARGE TRANSPORT LAYER HAVING HIGH MOBILITY TRANSPORT MOLECULE MIXTURE - 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 having a specific mixture of high mobility molecules in the charge transport layer which exhibits reduced propensity for crystallization while maintaining or improving electrical performance. | 03-04-2010 |
20100190099 | NANO DIAMOND ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer is comprised of a nano diamond component. | 07-29-2010 |
20100221649 | BORON CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTOR - A photoconductor that includes a supporting substrate, a ground plane layer, a hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a boron containing compound. | 09-02-2010 |
20100239966 | COATING DISPERSION FOR OPTICALLY SUITABLE AND CONDUCTIVE ANTI-CURL BACK COATING LAYER - 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. | 09-23-2010 |
20100273100 | COATING FOR OPTICALLY SUITABLE AND CONDUCTIVE ANTI-CURL BACK COATING LAYER - 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. | 10-28-2010 |
20100279217 | STRUCTURALLY SIMPLIFIED FLEXIBLE IMAGING MEMBERS - The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of a liquid compound having a high boiling point into the charge transport layer such that an anticurl back coating is no longer needed for reduction or elimination of photoreceptor upward curling. | 11-04-2010 |
20100279219 | FLEXIBLE IMAGING MEMBERS WITHOUT ANTICURL LAYER - The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to the incorporation of a liquid compound having a high boiling point into the charge transport layer such that an anticurl back coating is no longer needed for reduction or elimination of photoreceptor layer curling. | 11-04-2010 |
20100297543 | INTERFACIAL LAYER AND COATING SOLUTION FOR FORMING THE SAME - The present embodiments are generally directed to an improved imaging member exhibiting various advantages over conventional imaging members. More specifically, the present embodiments are directed to an improved interfacial layer formed from an aqueous-based coating solution which exhibits improved formation and coating properties, such as increased homogeneity and adhesion, and methods for making the same. The aqueous-based coating solution is environment-friendly and avoids the need to use more expensive organic solvents which involve higher safety risks in the manufacturing process. | 11-25-2010 |
20100310977 | CHARGE BLOCKING LAYER AND COATING SOLUTION FOR FORMING THE SAME - The present embodiments are generally directed to an improved imaging member exhibiting various advantages over conventional imaging members. More specifically, the present embodiments are directed to an improved charge blocking layer formed from an aqueous-based coating solution which exhibits improved shelf life and coating properties, such as increased homogeneity and adhesion, and methods for making the same. The aqueous-based coating solution is environment-friendly and avoids the need to use more expensive organic solvents which involve higher safety risks in the manufacturing process. | 12-09-2010 |
20100316410 | PHOTORECEPTOR INTERFACIAL LAYER - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. Embodiments pertain to an improved electrostatographic imaging member comprising an interfacial layer further comprising an opaque semi-crystalline polyester resin that is also a hot-melt adhesive to prevent light transmission to the substrate and thus significantly reduce “plywood effect,” a print quality defect. | 12-16-2010 |
20100323288 | PHOTORECEPTOR WITH RELEASE LAYER - 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. | 12-23-2010 |
20100330479 | FLUORINATED NANO DIAMOND ANTICURL BACKSIDE COATING (ACBC) PHOTOCONDUCTORS - A photoconductor that includes a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer includes a fluorinated nano diamond component. | 12-30-2010 |
20110104602 | GELATIN RELEASE LAYER AND METHODS FOR USING THE SAME - The disclosed embodiments are directed to a method for removing photoreceptor coatings from a rigid substrate, wherein the photoreceptor coatings disposed over a substrate of an electrophotographic photoreceptor, in order to recover it for re-use in photoreceptor manufacturing. More specifically, the invention discloses a photoreceptor substrate recovery methodology that includes the creation of an inner release layer over the substrate and followed by subjecting the rejected or used electrophotographic photoreceptor to a step of soaking in a non-toxic and environmentally-friendly stripping solution that separates the coatings from the substrate. | 05-05-2011 |
20110104603 | SILANE RELEASE LAYER AND METHODS FOR USING THE SAME - The disclosed embodiments are directed to processes for removing photoreceptor coatings from a substrate, wherein the photoreceptor coatings disposed over a substrate of an electrophotographic photoreceptor. More specifically, the present embodiments discloses a photoreceptor coatings removal process comprises subjecting an electrophotographic photoreceptor to a stripping solution that separates the coatings from the substrate. | 05-05-2011 |
20110136049 | IMAGING MEMBERS COMPRISING FLUOROKETONE - Improved electrophotographic imaging members which pertain to the incorporation of a fluoroketone into the charge transport layer to achieve a structurally simplified flexible electrophotographic imaging member that remains flat without the need for an anticurl back coating layer. The imaging member is both more slippery and has a reduced coefficient of friction, thus extending service life. | 06-09-2011 |
20110151363 | UNDERCOAT LAYER AND IMAGING MEMBERS COMPRISING SAME - Disclosed are undercoat layers comprising a metal oxide, a polymer, and a citrate of Formula (I): | 06-23-2011 |
20110176831 | LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life. | 07-21-2011 |
20110180099 | RELEASABLE UNDERCOAT LAYER AND METHODS FOR USING THE SAME - Embodiments relate generally to an imaging member that facilitates removal of the imaging member coating layers disposed over the imaging member and environmentally or “green” methods for using the same. More specifically, the present embodiments disclose an electrophotographic photoreceptor that includes a specifically formulated undercoat layer that allows easy removal of the photoreceptor layers disposed on top of the undercoat layer. The present embodiments provide a simple yet efficient method for reclaiming recycling or remanufacturing electrophotographic photoreceptors. | 07-28-2011 |
20110183244 | RELEASABLE UNDERCOAT LAYER AND METHODS FOR USING THE SAME - Embodiments relate generally to an imaging member that facilitates removal of the imaging member coating layers disposed over the imaging member and environmentally or “green” methods for using the same. More specifically, the present embodiments disclose an electrophotographic photoreceptor that includes a specifically formulated undercoat layer that allows easy removal of the photoreceptor layers disposed on top of the undercoat layer. The present embodiments provide a simple yet efficient method for reclaiming recycling or remanufacturing electrophotographic photoreceptors. | 07-28-2011 |
20110195353 | SINGLE LAYER PHOTORECEPTOR COMPRISING HIGH MOBILITY TRANSPORT MIXTURES - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. In particular, the present embodiments pertain to an improved imaging member comprising a single layer in which the single layer further comprises a combination of one or more high mobility hole (charge) transport molecules and electron transport molecules. | 08-11-2011 |
20110236811 | CHARGE TRANSPORT LAYER AND COATING SOLUTION FOR FORMING THE SAME - The present embodiments are generally directed to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. More particularly, the embodiments pertain to an electrophotographic imaging member having a novel charge transport layer formed from a coating solution that is doped with specific solvents which provides a charge transport layer with superior electrical properties, and methods for making the same. In particular, the coating solution is doped with a small amount of an aprotic organic solvent. | 09-29-2011 |
20120015153 | SEAMLESS INTERMEDIATE TRANSFER MEMBER PROCESS - Described herein is a method of forming a seamless transfer member suitable for use with an image forming system. The method includes spray coating a UV curable polymer and conductive particles onto an inner surface of a rotating cylindrical mandrel. The UV curable polymer is cured with ultra violet energy. The cured UV polymer is removed from the cylindrical rotatable mandrel. | 01-19-2012 |
20120034555 | ANTI-STATIC AND SLIPPERY ANTI-CURL BACK COATING - The presently disclosed embodiments relate generally to the formulation of an anticurl back coating layer that renders imaging apparatus flexible members and components their desirable flatness, for use in electrostatographic, including digital apparatuses. More particularly, the embodiments pertain to an imaging member comprising an anticurl back coating layer formulated to comprise a polymer blend of an anti-static polymer and a low surface energy A-B diblock copolymer polymer and an adhesion promoter. The embodiments provide an imaging member belt with the anticurl back coating that is electrically conductive and also substantially reduces its surface contact friction to help suppress/eliminate tribo-electrical charge build-up at the backside of the imaging member belt under normal machine imaging member belt operational conditions in the field. | 02-09-2012 |
20120045715 | SLIPPERY AND CONDUCTIVITY ENHANCED ANTICURL BACK COATING - The presently disclosed embodiments relate generally to the formulation of an anticurl back coating layer that renders imaging apparatus flexible members and components their desirable flatness, for use in electrostatographic, including digital apparatuses. More particularly, the embodiments pertain to an imaging member comprising an anticurl back coating layer formulated to comprise conductive carbon nanotubes dispersion in a polymer blend comprising three film-forming thermoplastic polymers to: (a) render electrical conductivity effect for tribo-electrical charge elimination (b) impart static dissipation capability, and (c) provide surface energy lowering effect for contact friction reduction to ease imaging member belt drive as well as cutting tribo-electrical charge build-up under normal imaging member belt operational conditions in the field. | 02-23-2012 |
20120196216 | PHOTOCONDUCTOR UNDERCOAT LAYER - A photoconductor comprising a substrate, an undercoat layer, a photogenerating layer and a charge transport layer is described. The undercoat layer is disposed on the substrate and comprises a metal oxide, and a mixture of a phenolic resin and a cyclohexanecarboxylate. | 08-02-2012 |
20120211704 | Endless flexible members with a polymeric release agent for imaging devices - Flexible members for use in imaging devices comprise a polymerizable release agent. | 08-23-2012 |
20120244339 | FUSER MEMBER - The present teachings provide a fuser member. The fuser member includes a substrate layer and a surface layer disposed on the substrate layer. The substrate layer comprises a plurality of core-shell particles wherein the core is a conductive particle and the shell is a fluoroplastic dispersed in a fluoroelastomer. | 09-27-2012 |
20130120498 | Fluorinated Poly(amide-imide) Copolymer Printhead Coatings - Disclosed is an ink jet printhead comprising a plurality of channels, wherein the channels are capable of being filled with ink from an ink supply and wherein the channels terminate in nozzles on one surface of the printhead, the surface being coated with a coating composition comprising a fluorinated poly(amide-imide) copolymer. | 05-16-2013 |
20130120499 | Siloxane-Etherimide Copolymer Printhead Coatings - Disclosed is an ink jet printhead comprising a plurality of channels, wherein the channels are capable of being filled with ink from an ink supply and wherein the channels terminate in nozzles on one surface of the printhead, the surface being coated with a coating composition comprising a siloxane-etherimide copolymer and a fluorinated nonionic surfactant. | 05-16-2013 |
20130202995 | PLASTICIZED ANTI-CURL BACK COATING FOR FLEXIBLE IMAGING MEMBER - The presently disclosed embodiments relate generally to a flexible imaging member having an anti-curl back coating comprising a liquid plasticizer, and the imaging member is substantially flat. | 08-08-2013 |
20130216266 | IMAGING MEMBERS COMPRISING FLUOROKETONE - Improved electrophotographic imaging members which pertain to the incorporation of a fluoroketone into the charge transport layer to achieve a structurally simplified flexible electrophotographic imaging member that remains flat without the need for an anticurl back coating layer. The imaging member is both more slippery and has a reduced coefficient of friction, thus extending service life. | 08-22-2013 |
20130273373 | OVERCOAT COMPOSITION FOR SEAMED INTERMEDIATE TRANSFER BELT - The presently disclosed embodiments relate generally to an image forming apparatus comprising an overcoat layer disposed directly over in contact with the top circumferential surface of a seamed intermediate transfer belt, and methods for making the same. The overcoat layer, comprising a film forming A-B diblock copolymer and conductive particles dispersion, not only renders the seam area physical/mechanical/electrical continuity for achieving absolute belt surface imageability to function like a seamless intermediate transfer belt, it also provides increased mechanical strength to resist fatigue-bend cracking under normal dynamic intermediate transfer belt machine cycling conditions in the field. The overcoat of this disclosure thus helps to reduce wear and extend service life of the belt. | 10-17-2013 |
20140248482 | INTERMEDIATE TRANSFER MEMBER AND METHOD OF MANUFACTURE - According to various embodiments, the present teachings provide an intermediate transfer member including a layer having a phosphorous containing polyamideimide having dispersed therein a conductive additive. A method of manufacturing the intermediate transfer member is provided. | 09-04-2014 |
20140323377 | UNDERCOAT LAYER AND IMAGING MEMBERS COMPRISING SAME - Disclosed are undercoat layers comprising a metal oxide, a polymer, and a citrate of Formula (I): | 10-30-2014 |