In at least some implementations, a wire includes a core formed from an electrically conductive material and having an outer surface, and a polymeric insulator surrounding the core. The insulator has a resistivity of between 10.sup.5 and 10.sup.9 ohms/square, and the insulator has an inner surface engaged with the core. In at least some implementations, the core is formed from metal and has a conductivity of at least 1106 m. The insulator may include a base material and a conductive material in the base material, wherein the conductive material has a conductivity between 10.sup.5 and 10.sup.6 ohms/square. The insulator may have an outer surface that defines an outer surface of the wire and/or the insulator may have an inner surface engaged with the core.

The present disclosure provides a curable, one-part epoxy/thiol resin composition. The composition comprises an epoxy/thiol resin mixture including: an epoxy resin component including an epoxy resin having at least two epoxide groups per molecule, a thiol component including a polythiol compound having at least two primary thiol groups, and a nitrogen-containing catalyst for the epoxy resin. The epoxy/thiol resin mixture further includes metal nanoparticles (e.g., silver nanoparticles, copper nanoparticles, or both), dispersed in the epoxy/thiol resin mixture. The present disclosure provides a method of curing a curable, one-part epoxy/thiol resin composition, including providing a curable, one-part epoxy/thiol resin composition and heating the composition to a temperature of at least 50 C.

A detection device has a pinching sensor and a detecting unit. The pinching sensor has a dielectric layer in which a linear conductor layer is formed, and conductor layers arranged on top and bottom surfaces of the dielectric layer, a slit being formed on at least one of the conductor layers arranged on the top and bottom surfaces. The detecting unit supplies a high-frequency signal to an input portion of the linear conductor layer, generates an electric field around a slit portion of the conductor layer on which the slit is formed, and detects a change in a reflection coefficient at the input portion, the change being caused by a change of the electric field generated by interference with a detected object.

A crosslinked polymer composition based on a plastomer, which is suitable for producing at least one layer of cable accessories like cable joints, bushings or terminations; its use for preparing such a layer and the cable accessory comprising the composition.

An electromagnetic shielding film for a cable, which relates to the field of wire manufacturing, for use in resolving the problem of easiness of break of the existing electromagnetic shielding film and the great consumption of time and power in the preparation process. The electromagnetic shielding film comprises a first metal layer (11,21,31,41), a conductive layer (12,22,32,42), and a protective film (13,23,33,43). The first metal layer covers the outer part of a conductor of a cable, and is used for shielding electromagnetic interference and is used as a medium. The conductive layer is disposed on the first metal layer, and is used for shielding electromagnetic interference, and the conductive layer comprises a curing agent, metal particles and polyurethane for carrying the metal particles. The protective film is disposed on the conductive layer and protects the electromagnetic shielding film.

The invention relates to a silicone rubber composition having specific dielectric properties which can be used as insulator material in high voltage direct current applications and a method for the manufacture of cable accessories like cable joints. The invention comprises as well a method for the determination of the optimum dielectric properties and the related amount of dielectric active additives.

A resin for forming an insulating film includes at least one of a modified polyamide-imide having a terminal OH group or a terminal SH group and a modified polyimide having a terminal OH group or a terminal SH group. A varnish includes the resin for forming an insulating film and a solvent. An electrodeposition dispersion includes the resin for forming an insulating film, a polar solvent, water, a poor solvent, and a base. A method for producing an insulated conductor includes: a step of applying the varnish or electrodepositing the electrodeposition dispersion to a surface of a conductor to form a coating layer or an electrodeposition layer on the surface of the conductor; and a step of heating the coating layer or the electrodeposition layer to produce an insulating film and bake the insulating film on the conductor.

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.

A corona shield for an electric machine, has a varnish that contains a first polymer resin, first electrically conductive particles that are dispersed in the first polymer resin, and microcapsules which are dispersed in the first polymer resin and include a second polymer resin in their interior.

Various embodiments include an insulation material for an electrical rotating machine comprising: a curable matrix material; a curing agent; and a filler embedded in the matrix material. The filler comprises electrically conductive doped metal oxide particles.