Abstract: A fuser member includes a surface layer comprising a fluoroelastomer-perfluoropolyether composite formed from a reaction mixture comprising a fluoroelastomer and a perfluoropolyether compound. Methods of manufacturing the fuser member and printing systems comprising the fuser member are also disclosed.

Abstract: There is disclosed a fuser member comprising a substrate; and an outer layer thereover comprising (a) a polymer and (b) an organometallic species, wherein said polymer and said organometallic species forms an interpenetrating network upon curing; and wherein the outer layer comprises an increased number of uniform organometallic binding sites, as compared to an outer layer devoid of the interpenetrating network. An image forming apparatus comprising the disclosed fuser member is also disclosed. Moreover, a method of forming a polymer system suitable for use in color fusing applications is disclosed.

Abstract: A UV curable gel ink leveling method for digital direct-to-substrate UV curable gel ink printing includes jetting UV curable gel ink directly onto a substrate, irradiating the gel ink to increase a viscosity of the gel ink, adding sacrificial release fluid to a hydrophilic contact roll, and leveling the ink at a leveling nip formed by the contact roll and a pressure roll. The pressure roll comprises an elastomeric material and a surface that is hydrophobic.

Abstract: A contact leveling surface for an ink jet imaging member including a coating disposed on a contact leveling substrate, wherein the coating includes a fluoroalkyl-substituted polyhedral oligomeric silsesquioxane. In embodiments, the contact leveling surface is for an ink jet imaging member that jets a phase change ink, a gel ink, a curable phase change ink, or a curable gel ink directly to a final image receiving substrate such as a direct to paper imaging device.

Abstract: Provided are fuser members and printing apparatuses including fuser members. The fuser member can include a substrate and a top coat layer including a hyper nanocomposite disposed over the substrate, wherein the hyper nanocomposite can include a plurality of nanoparticles substantially uniformly dispersed in one or more cross-linked hyperbranched polymers selected from the group consisting of polycarbosilane, polycarbosilixane, polycarbosilazene, and polyfluorocarbon.

Abstract: A phase change ink including (a) a phase change ink carrier and (b) a colorant comprising a carbon allotrope.

Abstract: Fixing devices including extended-life components and methods of fixing marking material to a substrate are provided. An exemplary embodiment of the fixing devices for fixing toner to a substrate in printing includes a first fixing member including a first surface; a thermal energy source for heating the first surface of the first fixing member to a fixing temperature; and a second fixing member including a second surface. The first surface and the second surface form a fixing nip configured to receive a substrate including a surface and marking material comprising toner disposed on the surface. The first fixing member and the second fixing member are operable to apply a pressure of at least about 300 psi to the substrate and toner and to heat the toner to a sufficiently-high temperature, at the fixing nip, to fix the toner to the substrate.

Abstract: An iso-thermalizing printer structure can be used to provide temperature uniformity across a width of a printer fuser roll or fuser belt. Various embodiments are contemplated, including a solid natural graphite shaft, a solid natural graphite core having a sleeve of metal such as aluminum, and other flexible and rigid structures which can comprise natural or synthetic graphite.

Abstract: Provided are fuser members and printing apparatuses including fuser members. The fuser member can include a substrate and a top coat layer including a hyper nanocomposite disposed over the substrate, wherein the hyper nanocomposite can include a plurality of nanoparticles substantially uniformly dispersed in one or more cross-linked hyperbranched polymers selected from the group consisting of polycarbosilane, polycarbosilixane, polycarbosilazene, and polyfluorocarbon.

Abstract: Provided are hyper nanocomposite, hyper nanocomposite coatings, devices, and articles including s hyper nanocomposite coatings. An article can include a surface including at least one region and a hyper nanocomposite coating disposed over the one region, wherein the hyper nanocomposite coating can include a plurality of nanoparticles substantially uniformly dispersed in one or more cross-linked hyperbranched polymers selected from the group consisting of polycarbosilane, polycarbosilixane, and polycarbosilazene, polyfluorocarbon.

Abstract: Exemplary embodiments provide a cleaning composition that can include alkane components for cleaning printer members made of elastomeric materials.

Abstract: A contact leveling surface for an ink jet imaging member including a coating disposed on a contact leveling substrate, wherein the coating includes a fluoroalkyl-substituted polyhedral oligomeric silsesquioxane. In embodiments, the contact leveling surface is for an ink jet imaging member that jets a phase change ink, a gel ink, a curable phase change ink, or a curable gel ink directly to a final image receiving substrate such as a direct to paper imaging device.

Abstract: In accordance with the present teachings, there are composite materials, fuser members comprising the composite materials, and methods of making the composite materials. In various embodiments, the composite material can include a polyimide resin having a thermal conductivity and a plurality of passivated aluminum nitride particles substantially uniformly dispersed in the polyimide resin to provide the composite material with a thermal conductivity of about 0.4 W/mK to about 2.5 W/mK, and wherein each of the plurality of passivated aluminum nitride particles can include a passivation layer disposed over an aluminum nitride particle core to inhibit oxidation and thermal degradation of a surface of the aluminum nitride particle core.

Abstract: Exemplary embodiments provide a cleaning composition that can include alkane components for cleaning printer members made of elastomeric materials.

Abstract: Exemplary embodiments provide material compositions useful for electrophotographic devices and processes. The material composition can include a plurality of graphene-containing particles dispersed or distributed in a polymer matrix. Such material composition can be used for electrophotographic members and devices including, but not limited to, a fuser member, a fixing member, a pressure roller, and/or a release donor member. In one embodiment, a material composition dispersion can be applied on a substrate in electrophotography to form a functional member layer to control, e.g., to improve, at least one of thermal, mechanical and/or electrical properties.

Abstract: A phase change ink including (a) a phase change ink carrier and (b) a colorant comprising a carbon allotrope.

Abstract: An iso-thermalizing printer structure can be used to provide temperature uniformity across a width of a printer fuser roll or fuser belt. Various embodiments are contemplated, including a solid natural graphite shaft, a solid natural graphite core having a sleeve of metal such as aluminum, and other flexible and rigid structures which can comprise natural or synthetic graphite.

Abstract: There is disclosed a fuser member comprising a substrate; and an outer layer thereover comprising (a) a polymer and (b) an organometallic species, wherein said polymer and said organometallic species forms an interpenetrating network upon curing; and wherein the outer layer comprises an increased number of uniform organometallic binding sites, as compared to an outer layer devoid of the interpenetrating network. An image forming apparatus comprising the disclosed fuser member is also disclosed. Moreover, a method of forming a polymer system suitable for use in color fusing applications is disclosed.

Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer or an elastomer, and, on the layer, a coating including mercapto- and amino-functionalities comprising from about 0.05 mole percent to about 1.00 mole percent mercapto groups and from about 0.0001 mole percent to about 0.06 mole percent amino groups, wherein the ratio of mercapto to amino mole percent values is at least 2. The layer preferably is a fluoropolymer or fluoroelastomer filled with a metal oxide (CuO, Al2O3, etc.).

Abstract: An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating having an elastomer of monomers selected from the group consisting of halogenated monomers, polyorganosiloxane monomers, and mixtures thereof, and an optional heating member associated with the offset printing apparatus