A swellable polymer based fiber and a method of preparing the same optionally comprising glycol, lecithin and optionally an antimicrobial metal species suitable, for example, for medical applications including wound dressings. A method of manufacture may comprise fiber extrusion or spinning involving one or a plurality of in-series coagulation baths to add single or multiple antimicrobial metal species to the as-formed fiber.

A solid freeform fabrication powder material includes a metal particle, and a water-soluble organic material particle. The water-soluble organic material particle accounts for 2-18 percent by volume of the solid freeform fabrication powder material and the water-soluble organic material particle has a volume average particle diameter of 3-15 m.

A method for forming a thermoplastic prepreg is disclosed. The method includes supplying continuous fibers to a first extrusion device, supplying a first thermoplastic feedstock to the first extrusion device, wherein the feedstock comprises a first thermoplastic polymer, pre-heating, tensioning, and spreading the continuous fibers, extruding the continuous fibers and the first feedstock within an impregnation die to form a first extrudate in which the continuous fibers are embedded with a matrix of the first thermoplastic polymer, twisting the first extrudate, supplying a second thermoplastic polymer to a second extrusion device, extruding the first extrudate and the second thermoplastic feedstock within an impregnation die to form a second extrudate in which the second feedstock forms a layer around the first extrudate, while the first extrudate is twisted and under tension, and forming a sleeve of the second extrudate having the second feedstock forming a layer around the first extrudate.

An object is to manufacture molded bodies having a small variation among products even if the mixture amount of a metal powder is increased when molding is performed by directly introducing not only a metal powder but also a powdered resin into an injection molding machine. In a metal powder mixed resin molded body manufacturing method for manufacturing a molded body by kneading a molding material including a metal powder, a thermoplastic resin powder, and an additive agent, molding is performed by an injection molding machine in which a molding screw is arranged. The molding screw of the injection molding machine includes a feeding portion, a compressing portion, and a metering portion that are continuously and integrally provided, the feeding portion and the compressing portion are constituted by an one-line spiral flight, the flight of the compressing portion includes a plurality of sub-flights that extend in a spiral manner in a screw axis direction and the sub-flights each have a polygonal shape with rounded corner portions, and the sub-flights are arranged such that the corner portions are shifted by a set angle in a circumferential direction about the screw axis, and the metering portion is provided with a plurality of blending/aligning portions each having gear-like protrusions and recesses in a circumferential direction about the screw axis.

A composite formulation and composite product are disclosed. The composite formulation includes a polymer matrix having metal particles, the metal particles including dendritic particles and tin-containing particles. The metal particles are blended within the polymer matrix at a temperature greater than the melt temperature of the polymer matrix. The tin containing particles are at a concentration in the composite formulation of, by volume, between 10% and 36%, and the dendritic particles are at a concentration in the composite formulation of, by volume, between 16% and 40%. The temperature at which the metal particles are blended generates metal-metal diffusion of the metal particles, producing intermetallic phases, the temperature being at least the intermetallic annealing temperature of the metal particles.

A conductive water blocking material and an optical fiber cable and method of constructing an optical fiber cable including the same. The cable includes at least one optical fiber and strength members disposed around the fiber. A conductor is disposed around the strength members. The conductive water blocking material includes a carrier material and conductive metallic particles and is provided in strength member interstices defined by the strength members.

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.

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.

Methods for large scale fabrication of thermoregulating composite materials and parts comprising thereof are described, as well as methods for heat management using the same. The fabrication methods are easily scalable, highly modular, inexpensive, and capable of producing large area, thin, flexible films of any shape, and having tunable dynamic heat-management properties actuated via low energy input mechanical strain.

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.