Abstract: There is provided a membrane that includes a plurality of polyimide fibers encased in a fluoropolymer sheath, the plurality of fibers having a diameter of from about 10 nm to about 50 microns, wherein the plurality of fibers form a permeable non-woven mat. A method of manufacturing the membrane is provided.

Abstract: A composite structure includes a core particle including a sulfonated polyester matrix and a plurality of silver nanoparticles dispersed throughout the matrix and a shell polymer disposed about the core particle. A method includes heating a sulfonated polyester resin in an organic-free solvent adding a solution of silver (I) ion to the heated resin in water to form a mixture, forming of an emulsion of core particles comprising a sulfonated polyester matrix and a plurality of silver nanoparticles disposed within the sulfonated polyester matrix, and adding a styrene monomer and initiator to the emulsion of composite particles to form a shell polymer disposed about the core particles, thereby forming a composite structure. The composites herein are readily incorporated into various articles.

Abstract: The disclosure provides pigment dispersions having an average particle size of from about 10 nm to about 500 nm prepared by employing a magnetic actuated milling process and system. In embodiments, the pigment dispersions have an average particle size of less than 100 nm.

Abstract: There is provided a homogenous composite dispersion. The composite dispersion is made from ingredients comprising: a first dispersion comprising a filler dispersed in a liquid continuous phase, the filler selected from the group consisting of nanotubes, graphene or a combination thereof, the liquid continuous phase comprising an acid copolymer and a first solvent, the acid copolymer comprising at least one carboxyl functionalized polymeric unit and at least one carboxylate ester functionalized polymeric unit having an alkyl or fluorinated alkyl attached to an oxygen atom of the carboxylate ester; a second dispersion comprising a fluoroplastic dispersed in a second solvent; and a sacrificial polymeric binder material.

Abstract: An article of manufacture includes a substrate and a stretchable, conductive film. The stretchable, conductive film includes a plurality of annealed silver nanoparticles disposed on the substrate. The conductive film can be formed from a liquid composition comprising silver nanoparticles in a decalin solvent. The conductive film can further include a first conductivity associated with an as-annealed shape of the conductive film, and the film can include a second conductivity upon being stretched in at least one direction beyond the as-annealed shape.

Abstract: A fuser comprises a substrate and a composite layer formed on the substrate. The composite layer comprises a fluoropolymer and at least one of (a) perfluorosulfonated polymer-treated, carbon nanotube-comprising particles, and (b) perfluorosulfonated polymer-treated, graphene-comprising particles. Methods of making a fuser and methods of fusing toner particles are also disclosed.

Abstract: A member for a fuser assembly of a printer. The member may include a support body and a composite coating disposed on an outer surface of the support body. The composite coating may include a fluororesin and a nanocarbon material dispersed within the fluororesin. The nanocarbon material may be present in a higher concentration proximate the support body and a lower concentration proximate an outer surface of the composite coating. The lower concentration may be less than or equal to about 2 wt % of the nanocarbon material.

Abstract: A silver paste ink composition comprises a plurality of first particles comprising silver; a polymer binder; a carrier solvent; and a plurality of second particles comprising silver. The second particles are nanoparticles that are different than the first silver particles, the amount of second particles in the ink composition being sufficient to impart a first color to the uncured ink composition, the first color being different than the color of the same ink composition without the nanoparticles. The silver nanoparticles have a property of causing a change in the color of the ink composition when the ink composition is cured.

Abstract: A method and system for magnetic actuated mixing which use magnetic particles, non-magnetic abrasive particles and electromagnetic field to facilitate milling. The method and system use magnetic particles and a generated electromagnetic field to facilitate the milling as well. The method and system can be used in any application that requires the preparation of small-sized particles at either the micro or nano scale, including for example, preparing toners, inks, wax, pigment dispersions and the like.

Abstract: An electronic device, such as a thin-film transistor, includes a semiconducting layer formed from a semiconductor composition. The semiconductor composition comprises a polymer binder and a small molecule semiconductor. The small molecule semiconductor in the semiconducting layer has a crystallite size of less than 100 nanometers. Devices formed from the composition exhibit high mobility and excellent stability.

Abstract: A method for forming a dispersion includes mixing graphene particles, a fluorosilane coupling agent and a first solvent to produce a first dispersion wherein the graphene particles are from about 0.1 to about 0.8 weight percent of the first dispersion. The method includes concentrating the first dispersion by removing the first solvent to produce a second dispersion wherein the graphene particles are from about 2.0 to about 10.0 weight percent of the concentrated dispersion. The concentrated dispersion is mixed with a fluoropolymer dispersion including a second solvent, a surfactant, and fluoropolymer particles wherein the fluoropolymer dispersion has a solids content of about 30 weight percent to about 50 weight percent to form a second dispersion. A polymer binder in a third solvent is mixed with the second dispersion to form the coating dispersion.

Abstract: A method of forming a metal structure. The method comprises providing a dispersion of metal nanoparticles and a solution comprising a transient polymer and solvent. The dispersion of metal nanoparticles and the solution are formed by coaxially electrospinning into a fiber comprising the metal nanoparticles and the transient polymer. The fiber is heated to decompose the transient polymer and form a metallic structure.

Abstract: An electronic device, such as a thin-film transistor, includes a semiconducting layer formed from a semiconductor composition. The semiconductor composition comprises a polymer binder and a small molecule semiconductor. The small molecule semiconductor in the semiconducting layer has a crystallite size of less than 100 nanometers. Devices formed from the composition exhibit high mobility and excellent stability.

Abstract: A method of forming a printed pattern on a substrate includes printing a pattern onto the substrate with a conductive ink including a conductive material, a thermoplastic binder and a solvent, curing the printed pattern, and fusing the printed pattern by feeding the printed pattern through a fusing system operated at a temperature of about 20° C. to about 130° C. above the glass transition temperature of the thermoplastic binder and at least 120° C. at a minimum, a pressure of from about 50 psi to about 1500 psi, and a feed rate through the fusing system of about 1 m/min to about 100 m/min. The method may be done continuously. The method improves the sheet resistivity of the printed ink.

Abstract: A conductive ink includes a conductive material, a thermoplastic polyvinylbutyral terpolymer binder and a glycol ether solvent. The conductive material may be a conductive material is a conductive particulate having an average size of from about 0.5 to about 10 microns and as aspect ratio of at least about 3 to 1, such as a silver flake.

Abstract: The present teachings describe a process for converting a HOGaPc Type I polymorph to the HOGaPc Type V polymorph. The process includes obtaining a slurry comprising hydroxy gallium phthalocyanine (HOGaPc) Type I polymorph. The slurry is mixed at a resonant frequency of the slurry by applying a low frequency acoustic field for a time sufficient to convert the HOGaPc Type I polymorph to the HOGaPc Type V polymorph.

Abstract: The present teachings disclose a surface coating composition. The surface coating composition includes fluorine containing particles, aerogel particles and positive tribocharging particles. The surface coating is useful as the release layer for fuser members.

Abstract: A modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.

Abstract: Various embodiments provide materials and methods for forming a graphene product by vacuum induction heating expandable graphite. The graphene product can include graphene nano-sheets with high purity and uniform thickness. The graphene nano-sheets can contain carbon of more than about 99% by weight. The graphene nano-sheets can be exfoliated or dispersed within a matrix of a semiconducting polymer to form a graphene-containing composite.

Abstract: Exemplary embodiments provide composite materials used for fixing members that can include silsesquioxane-based particles and/or carbon nanotubes dispersed in a polymer matrix.