A hybrid thermal management film according to the present disclosure includes graphene fluoride nanosheets (GFS) and reduced graphene oxide (rGO). The hybrid thermal management film according to the present disclosure is a thermal management film applicable to electronic devices, particularly to wearable electronic devices, which has excellent thermal conductivity, electrical insulation, and flame retardancy, as well as excellent mechanical flexibility.

Organoclays are added to semiconductive compositions to provide a reduction in the dielectric losses of layered composites in which the semiconductive layer contains species which could migrate into the insulation and result in undesirably high dielectric losses. The invention semiconductive compositions provide improved performance in power cable applications.

Described herein are foamable compositions and methods of making foamed compositions. The foamable composition comprises at least one polymer and a foaming agent. The foaming agent comprises a talc or a talc derivative. The polymers described herein comprise a substantially non-halogenated polymer. One or more additives are added to render the compositions flame retardant and/or smoke suppressant. Also described are Power over Ethernet (PoE) cables, having at least one electrical conduit comprising an electrically conductive core, an insulation that at least partially surrounds said electrically conductive core and a polymeric separator extending from a proximal end to a distal end and having at least one channel adapted for receiving the at least one electrical conduit. The PoE cables are capable of carrying about 1 watt to about 200 watts of power.

In one aspect, the present invention relates to a communications cable, which comprises a support separator providing a plurality of channels for receiving transmission media, said support separator comprising a first polymeric material, at least one optical fiber disposed in one of said channels, at least an electrical conductor capable of carrying at least about 10 watts of electrical power disposed in another one of said channels, an insulation at least partially covering said electrical conductor, a jacket surrounding said support separator and said transmission media, said jacket comprising a second polymeric material. In some embodiments, the first and second polymeric materials can be the same material, and in other embodiments, they can be different materials.

A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided.

A composite filler structure includes a substrate, a filler layer spaced apart from the substrate and comprising a matrix material layer and a plurality of conductive filler particles, an electrode in contact with the filler layer and configured to provide an electrical signal to the filler layer, and an insulating layer between the substrate and the electrode, and including an alkali oxide in an amount of about 7 weight percent or less, based on a total weight of the composite filler structure.

Organodavs are added to semiconductive compositions to provide a reduction in the dielectric losses of layered composites in which the semiconductive layer contains species which could migrate into the insulation and result in undesirably high dielectric losses, The invention semiconductive compositions provide improved performance in power cable applications.

An electric cable is provided having a plurality of insulated power conductors, a pilot and ground wire assembly and a saddle positioned between the plurality of insulated power conductors with the pilot and ground assembly being positioned within the saddle, where the saddle is constructed from a semi-conductive polymer. An inner sheath surrounds the saddle and the plurality of insulated power conductors, where the inner sheath is constructed from a semi-conductive polymer and where the inner sheath, saddle and the plurality of conductors form a flat cable. An outer insulating sheath disposed around the outside of the inner sheath.

A dielectric material includes a composite sintered body in which conductive particles are dispersed in an insulating material, in which a dielectric constant at a frequency of 40 Hz is 10 or higher, and a difference between a maximum dielectric loss value and a minimum dielectric loss value at a frequency of 1 MHz in a surface of the composite sintered body is 0.002 or less.

A wire harness includes at least one conductive path, and an exterior member that accommodates and protects the conductive path. The exterior member is a molded resin component made of a resin material which has a black color or a dark color close to the black color.