The invention relates to a process for preparing an electrically conductive composite film, in particular in the form of a self-supported film or of a prepreg, comprising at least one thermoplastic polymer resin and electrically conductive particles chosen from a) graphene, carbon nanotubes, carbon nanofibres, and mixtures thereof; and b) filiform metal nanoparticles; to a process for preparing an electrically conductive laminated composite structure comprising such an electrically conductive composite film; to said electrically conductive composite film, to said electrically conductive laminated composite structure, and also to the uses thereof.

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.

The invention relates to a method for forming an article comprising a pathway of particles wherein a termination of the pathway of particles is exposed. The method comprises arranging the particles by applying an electric field and/or a magnetic field at an interface between a water soluble or a non-water soluble matrix and a matrix comprising a viscous material and particles. After fixating the viscous material, the termination is exposed by dissolving the water soluble or non-water soluble matrix. The invention also relates to articles obtainable by said method, and to the use of said method in various applications.

A stimulation or recording electrode with varying impedances includes a plurality of layers that are compressed together with varying compressions forces, with at least a first compression force used at the perimeter of the electrode and a second compression force used towards the center of the electrode, with the first force being lesser than the second force, thereby creating a greater measured impedance at the perimeter of the electrode than at the center of the electrode.

The purpose of the present invention is to provide a novel molded article having antibacterial or antiviral properties, a method for manufacturing the same, and the like. The present invention relates to a molded article 100 which contains a calcium compound 104 and a resin, and has a salt of inositol phosphate 102 with at least one metal element 103 selected from the group consisting of silver, zinc, and copper on a surface 101.

A metallic nanoparticle composition dispenser includes a piston-cylinder assembly and a capillary tube. The piston-cylinder assembly includes a cylinder, a pneumatic port at first end of the cylinder, an outlet port at a second end of the cylinder opposite the first end, and a piston movable in the cylinder between the first end and the second end. The capillary tube has a tube inlet and a tube outlet, with the tube inlet being coupled to the outlet port of the cylinder. A metallic nanoparticle composition is contained in the cylinder. The metallic nanoparticle composition dispenser is configured such that the metallic nanoparticle composition is extruded by the piston through the capillary tube under pneumatic actuation by a regulated pneumatic system coupled to the pneumatic port.

Aspects of the disclosure relate to a method of forming an article including: combining first and second chemical components that are reactive with each other to form a coreactive composition; depositing the coreactive composition to form a conductive portion of an article; wherein, 48 hours after depositing, the conductive portion comprises: a tensile modulus of at least 5 MPa; and an electrical conductivity of at least 2 S/m; wherein the coreactive composition comprising: a solvent content less than 5 wt %; and a conductive filler content effective for the conductive portion to reach the electrical conductivity of at least 2 S/m.

A 3D printing system includes a reservoir for a UV-curable dielectric material in communication with a first nozzle configured to print the UV-curable dielectric material onto a substrate and a reservoir for a low CTE filler in communication with a second nozzle configured to print the low CTE filler onto the substrate, and a reservoir for a conductive ink in communication with a third nozzle configured to print the conductive ink onto the substrate. The 3D printing system prints the UV-curable dielectric material and the low CTE filler such that the printed low CTE filler mixes with the printed UV-curable dielectric material and forms a UV-curable dielectric layer with the low CTE filler dispersed therein.

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a component present therein. Composite filaments suitable for additive manufacturing may comprise a continuous polymer phase of a first thermoplastic polymer and a second thermoplastic polymer that are immiscible with one another, and electrically conductive particles distributed in the continuous polymer phase, such as microparticles, nanoparticles, or any combination thereof. The first thermoplastic polymer is dissolvable or degradable and the second thermoplastic polymer is insoluble or non-degradable under specified conditions. Removal of the first thermoplastic polymer from a printed part may introduce porosity thereto, thereby inducing or enhancing piezoresistivity within the printed part. An aqueous mixture comprising the electrically conductive particles and the first and second thermoplastic polymers may have water removed therefrom, and the resulting composite residue may be extruded to form the composite filaments.

A radiation shielding composite comprising a first component including a copolymer including unconjugated olefin-derived units, vinyl aromatic-derived units, and conjugated diene-derived units; and a second component including a radiation-shielding metal.