Abstract: An electrophotographic imaging member which has improved imaging layer(s) formulated to comprise a charge transport compound and a polymer blended binder to render photoelectrical stability, tune-ability, and surface contact friction reduction for providing service life extension. The polymer blended binder used in the imaging layer(s) is a binary polymer blend binder consisting of: (1) an A-B diblock copolymer and a bisphenol polycarbonate and a low surface energy polysiloxane/polycarbonate random copolymer and (2) an A-B diblock copolymer and a low surface energy graft polysiloxane/polycarbonate copolymer.

Abstract: The disclosure provides a flexible electrophotographic imaging member comprising a single novel polymer binder in the formulation of the imaging layers. In particular, the present embodiments provide multi-layered electrophotographic imaging members prepared by using the same polymer binder in the two contiguous imaging formation layers to improve mechanical and photoelectrical performance. The embodiments also include a process for making and using the imaging member.

Abstract: An image forming apparatus comprising a seamless intermediate transfer belt, and methods for making the same. The seamless intermediate transfer belt comprises a carbon black dispersion and a mechanically robust polymer material having very high molecular weight.

Abstract: A cleaning device used in an electrophotographic image forming apparatus that provides excellent wear resistance and mechanical robustness. In particular, the cleaning device is a crosslinked elastomeric polyurethane cleaning blade that includes at least an end region contacting the surface of an imaging member to remove debris therefrom and comprising spherical silica nanoparticles dispersion present in the cleaning blade matrix by in-situ condensation precipitation process.

Abstract: An electrophotographic imaging member which has improved imaging layer(s) formulated to comprise a charge transport compound and a polymer blended binder to render photoelectrical stability, tune-ability, and surface contact friction reduction for providing service life extension. The polymer blended binder used in the imaging layer(s) is a binary polymer blend consisting of: (1) an A-B diblock copolymer and a bisphenol polycarbonate and (2) an A-B diblock copolymer and a bisphenol polycarbonate plus a slippery nano POSS particle dispersion in its material matrix.

Abstract: Flexible imaging members in electrophotography which have an improved plasticized charge transport layer formulation. The resulting imaging member is resistant to chemical contaminants, photoelectrically stable, fatigue cracking suppression, and has a simplified material structure which is curl-free without the need of an anticurl back coating layer. Process for making and using the member are also disclosed.

Abstract: The disclosure provides a flexible electrophotographic imaging member having an optically clear, cross-linked anticurl back coating of melamine formaldehyde to effect complete and absolute imaging member flatness.

Abstract: An electrophotographic imaging member which has improved imaging layer(s) formulated to comprise a charge transport compound and a polymer blended binder to render photoelectrical stability, tune-ability, and surface contact friction reduction for providing service life extension. The polymer blended binder used in the imaging layer(s) is a binary polymer blend binder consisting of: (1) an A-B diblock copolymer and a bisphenol polycarbonate and a low surface energy polysiloxane/polycarbonate random copolymer and (2) an A-B diblock copolymer and a low surface energy graft polysiloxane/polycarbonate copolymer.

Abstract: The presently disclosed embodiments relate in general to flexible electrophotographic imaging members, such as layered photoreceptor structural simplification, and material reformulation for making and using the same. More particularly, the embodiments pertain to the incorporation of a plasticizer or mixture of plasticizers into the charge transport layer for rendering flatness such that an anticurl back coating is no longer needed to counteract and control the layered photoreceptor curling.

Abstract: The disclosure provides a flexible electrophotographic imaging member having an optically clear, cross-linked anticurl back coating of melamine formaldehyde to effect complete and absolute imaging member flatness. In particular embodiments, the anticurl back coating further includes an organic or inorganic particle dispersion.

Abstract: The presently disclosed embodiments are directed to flexible imaging members used in electrophotographic imaging apparatuses. More particularly, the embodiments pertain to electrophotographic imaging members which have imaging layer(s) formulated to comprise of a novel polymer blended binder comprising a bisphenol type polycarbonate and an organic acid-containing copolyester doped into the polycarbonate which provides improved properties and performance to the resulting imaging member. The formulated imaging layer(s) may further include a plasticizer.

Abstract: The presently disclosed embodiments relate generally to a flexible imaging member having a novel ground strip layer. The flexible imaging member may have a full flexible imaging member structure with an anticurl backing coating (ACBC) as well as a structurally simplified flexible imaging member being ACBC-free.

Abstract: Present embodiments relate generally to the flexible electrostatographic imaging members prepared to comprise a plasticized charge transport layer, plasticized ground strip layer, and a novel plasticized anti-curl back coating layer prepared to have internal stress/strain reduction, superb wear resistance property, and render the resulting flexible imaging members with absolute flatness to meet the functional requirement of electrostatographic imaging apparatuses. More particularly, the embodiments pertain to the reformulation of an anti-curl back coating layer comprising a novel high molecular weight film forming A-B diblock copolymer, a copolyester adhesion promoter, an organic or inorganic particles dispersion, and a plasticizer in the layer's material matrix.

Abstract: 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.

Abstract: The presently disclosed embodiments related generally to a layer that provides overall flatness to flexible imaging members and components for use in electrostatographic apparatuses. More particularly, the embodiments pertain to a flexible electrophotographic imaging member belt prepared to include an anti-curl back coating formulated to comprise a mechanically robust copolymer binder that does have enhanced wear resistance and improved imaging member curl control.

Abstract: 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.

Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members which include a protective overcoat layer comprising specific low surface energy polycarbonates of excellent optical clarity and having a slippery and adhesive surface to impact toner image transfer efficiency to receiving papers and effect contact friction reduction by which imaging members abrasion/wear resistance is enhanced. The present embodiments also disclose a process for making and using these members.

Abstract: The presently disclosed embodiments are directed to imaging members used in electrostatography. More particularly, the embodiments pertain to electrophotographic imaging members which have an added-on protective overcoat layer formulated to comprise of a novel A-B diblock copolymer comprising two segmental blocks of a bisphenol polycarbonate and an organic acid terminal which provides chemical vapor contaminant resistive property. The overcoat layer may further be formulated to include small quantity of charge transport compound. The present embodiments provide superior copy printout quality.

Abstract: The presently disclosed embodiments are directed to imaging members used in electrostatography. More particularly, the embodiments pertain to electrophotographic imaging members which have imaging layer(s) formulated to comprise of a novel A-B diblock copolymer binder consisting of two segmental blocks of a bisphenol polycarbonate and a phthalic acid which provides chemical vapor contaminant resistive property. The present embodiments provide superior copy printout quality.

Abstract: Embodiments provide novel imaging members used in electrostatography. More particularly, there is provided flexible electrophotographic imaging members which exhibit an extended functional life. These imaging members include an improved protective overcoat layer comprising: (1) a polymer blend of a low surface energy copolymer and a chemically resistive copolymer, (2) a chemically resistive copolymer and a slip agent, and (3) a chemically resistive copolymer and the dispersion of a low surface energy Polyhedral Oligomeric Silsesquioxane (POSS) nanoparticles to effect surface contact friction reduction for enhancing wear resistance and for suppressing copy printout defect caused by chemical attack.