Abstract: A conductive polymer composite is disclosed. The composite comprises a thermoplastic polymer and a plurality of metal-plated carbon nanotubes. A method of three dimensional printing using the conductive polymer composite and a filament comprising the conductive polymer composite are also disclosed.

Abstract: A composite manufacture includes an extrudable thermoplastic matrix and a photochromic colorant, the photochromic colorant conferring to the composite a reversible strain-induced color change property. Methods include adding photochromic colorant to an extrudable thermoplastic polymer matrix to form a mixture, heating the mixture to form a composite, the photochromic colorant conferring to the composite a reversible strain-induced color change property. The composite manufactures can be used in cable coatings permitting visual detection of mechanical stresses in a wire based on the reversible strain-induced color change property.

Abstract: Provided is a method of forming a conductive polymer composite. The method includes forming a mixture. The mixture includes a first thermoplastic polymer, a second thermoplastic polymer and a plurality of metal particles. The first thermoplastic polymer and the second thermoplastic polymer are immiscible with each other. The plurality of metal particles include at least one metal that is immiscible with both the first thermoplastic polymer and the second thermoplastic polymer. The method includes heating the mixture to a temperature greater than or equal to a melting point of the metal.

Abstract: An ink composition including a metal salt; an optional solvent; and a stable component that is stable in the ink composition until treated, wherein, upon treatment, the component forms a compound that reduces the metal salt to form metal. An ink composition including a metal salt; an initiator; and an optional solvent; wherein, upon treatment, the initiator forms a compound which reduces the metal salt to metal. A process including combining a metal salt, an initiator, and an optional solvent, to form an ink; wherein, upon treatment, the initiator forms a compound which reduces the metal salt to metal. A process including providing an ink composition comprising a metal salt, an initiator, and an optional solvent; depositing the ink composition onto a substrate to form deposited features; and treating the deposited features on the substrate wherein the initiator forms a compound which reduces the metal salt to metal to form conductive features on the substrate.

Abstract: An article includes a body and at least one 3D-printable conductive composite segment in mechanical communication with the body. The body includes a first material and the at least one conductive composite segment includes a matrix material, a plurality of carbon nanotubes, and conductive additives. The conductive additives include a plurality of metallic particulates, a plurality of graphitic particles or a combination thereof.

Abstract: Provided is a method of forming a conductive polymer composite. The method includes forming a mixture. The mixture includes a first thermoplastic polymer, a second thermoplastic polymer and a plurality of metal particles. The first thermoplastic polymer and the second thermoplastic polymer are immiscible with each other. The plurality of metal particles include at least one metal that is immiscible with both the first thermoplastic polymer and the second thermoplastic polymer. The method includes heating the mixture to a temperature greater than or equal to a melting point of the metal.

Abstract: An ink composition including a metal salt amine complex; wherein the metal salt amine complex is formed from a metal salt and an amine; a compound selected from the group consisting of a stable free radical, a photoacid generator, and a thermal acid generator; and an optional solvent. A process including forming a metal salt amine complex; adding a compound selected from the group consisting of a stable free radical, a photoacid generator, and a thermal acid generator to the metal salt amine complex to form an ink. A process including providing an ink composition comprising a metal salt amine complex, wherein the metal salt amine complex is formed from a metal salt and an amine; a compound selected from the group consisting of a stable free radical, a photoacid generator, and a thermal acid generator; and an optional solvent; depositing the ink composition onto a substrate to form deposited features; and treating the deposited features on the substrate to form conductive features on the substrate.

Abstract: A conductive polymer composite is disclosed. The composite comprises a thermoplastic polymer; carbon nanotubes; at least one electron donor molecule and at least one electron acceptor molecule. A method of three-dimensional printing using the conductive polymer composite and a conductive polymer composite filament are also disclosed.

Abstract: A process including providing a curable gellant ink composition having a phase transition temperature; heating the ink composition to a temperature above the phase transition temperature; depositing the ink composition onto a substrate; wherein upon contact with the substrate the ink composition freezes to provide a gel ink layer; treating at least a portion of the gel ink layer whereby treated gellant ink reacts to form a three-dimensional object and wherein untreated gellant ink does not react and remains in gellant form; optionally, wherein the unreacted gellant ink provides a support structure for overhang portions of the three-dimensional object.

Abstract: A system of inkjet inks suitable for additive manufacturing by inkjet printing includes a build ink and a support ink, the build ink and support ink have a differential color scheme and at least one of the build ink or the support ink includes a colorant. A method of additive manufacturing includes providing such a system of inkjet inks and printing via a multi-jet inkjet printing system an article with the build ink and the support ink, the article including a build material portion and a support material portion. A cartridge or kit for additive manufacturing by inkjet printing includes such a system of inkjet inks.

Abstract: A delivery member for use in an image forming apparatus. The delivery member has a support member and a first layer disposed on the support member. The first layer includes a cross-linked elastomeric matrix, a stabilizing polymer comprising a polysiloxane backbone, and a functional material. Coating mixtures for preparing such delivery members having a first layer. Image forming apparatuses containing such delivery members.

Abstract: Provided is a method of patterning a substrate. The method includes depositing, in a first predetermined pattern, hydrophobic material on a first surface of a hydrophilic substrate. The method includes permeating the hydrophobic material through a thickness of the substrate. The method includes exposing the hydrophobic material to UV-light and sufficiently solidifying the permeated hydrophobic material. The sufficiently solidified hydrophobic material forms a liquid-impervious barrier that separates the substrate into at least one discrete region.

Abstract: An article includes a body and at least one 3D-printable conductive composite segment in mechanical communication with the body. The body includes a first material and the at least one conductive composite segment includes a matrix material, a plurality of carbon nanotubes, and conductive additives. The conductive additives include a plurality of metallic particulates, a plurality of graphitic particles or a combination thereof.

Abstract: A method includes adding about 5 weight percent to about 25 weight percent of carbon nanotubes to a crystalline or semi-crystalline polymer to form a composite and forming a filament or particles from the composite, the filament or particles having a size suitable for use in additive manufacturing, in the absence of the carbon nanotubes a melt viscosity of the crystalline or semi-crystalline polymer is below 100 Pa·s, preventing its use in additive manufacturing. The filament or particles comprising carbon nanotubes can be used in methods of additive manufacturing.

Abstract: A conductive polymer composite includes: a thermoplastic polymer; a plurality of carbon nanotubes; and a plurality of metallic particulates in an amount ranging from about 0.5% to about 80% by weight relative to the total weight of the conductive polymer composite.

Abstract: A conductive polymer composite is disclosed. The composite comprises a thermoplastic polymer; carbon nanotubes in an amount ranging from 2% to about 40% by weight, relative to the total weight of the conductive polymer composite; and a plurality of graphitic particles in an amount ranging from about 2% to about 50% by weight, relative to the total weight of the conductive polymer composite.

Abstract: A conductive polymer composite is disclosed. The composite comprises a thermoplastic polymer; carbon nanotubes; at least one electron donor molecule and at least one electron acceptor molecule. A method of three-dimensional printing using the conductive polymer composite and a conductive polymer composite filament are also disclosed.

Abstract: A conductive polymer composite is disclosed. The composite comprises a thermoplastic polymer and a plurality of metal-plated carbon nanotubes. A method of three dimensional printing using the conductive polymer composite and a filament comprising the conductive polymer composite are also disclosed.

Abstract: A composite manufacture includes an extrudable thermoplastic matrix and a photochromic colorant, the photochromic colorant conferring to the composite a reversible strain-induced color change property. Methods include adding photochromic colorant to an extrudable thermoplastic polymer matrix to form a mixture, heating the mixture to form a composite, the photochromic colorant conferring to the composite a reversible strain-induced color change property. The composite manufactures can be used in cable coatings permitting visual detection of mechanical stresses in a wire based on the reversible strain-induced color change property.

Abstract: Embodiments of the invention provide lateral flow and flow-through bioassay devices based on patterned porous media, methods of making same, and methods of using same. Under one aspect, an assay device includes a porous, hydrophilic medium; a fluid impervious barrier comprising polymerized photoresist, the barrier substantially permeating the thickness of the porous, hydrophilic medium and defining a boundary of an assay region within the porous, hydrophilic medium; and an assay reagent in the assay region.