A coated overhead conductor having an assembly including one or more conductive wires, such that the assembly includes an outer surface coated with an electrochemical deposition coating forming an outer layer, wherein the electrochemical deposition coating includes a first metal oxide, such that the first metal oxide is not aluminum oxide. Methods for making the overhead conductor are also provided.

A cable including at least one elongated conductive element and at least one fire-resistant insulating layer in direct physical contact with the elongated electrically conductive element, the fire-resistant layer is obtained by heat treatment of a liquid inorganic composition.

The present disclosure provides insulated electrical conductors, e.g., wires, and methods for producing such insulated electrical conductors to combat partial discharge by enhancing bond strength between the electrical conductor and a base insulating thermoplastic layer (e.g., including a PAEK). Such insulated electrical conductors can include: an electrical conductor; an insulating coating on at least a portion of a surface of the electrical conductor; and an oxide layer between the electrical conductor and the insulating coating. Methods for producing such insulated electrical conductors can involve extrusion of an insulating polymer onto the electrical conductor under ambient atmosphere and a subsequent heat treatment step, which can also be conducted under ambient atmosphere.

A cable, in particular a power and/or telecommunication cable, has at least one elongated electrically conductive element, and at least one fire-resistant layer surrounding said elongated electrically conductive element. The fire-resistant layer is a ceramic layer in direct physical contact with the elongated electrically conductive element.

Magnet wire with corona resistant enamel insulation is described. A magnet wire may include a conductor, and at least one layer of polymeric enamel insulation may be formed around the conductor. The polymeric enamel insulation may include a filler dispersed in a base polymeric material, such as polyimide. Additionally, the filler may include an organometallic compound.

Magnet wire with corona resistant enamel insulation is described. A magnet wire may include a conductor, and at least one layer of polymeric enamel insulation may be formed around the conductor. The polymeric enamel insulation may include a filler dispersed in a base polymeric material, such as polyimide. Additionally, the filler may include an organometallic compound.

A method for preparing a power inductor includes the following steps A to E: A: preparing a composite wire; B: winding the composite wire according to a predetermined shape and a predetermined coil quantity, so as to form coils; C: placing the coils into a mold cavity, adding metal soft magnetic powder to the mold cavity, and pressing the metal soft magnetic powder and the coils to form a base comprising the coils; D: performing sintering treatment on the base; and E: plating two terminal electrodes on two ends of the base to form the power inductor.

An ion probe includes a metal wire, a metal sheath covering the metal wire, insulation powder provided between the metal wire and the metal sheath, and a ceramic capillary. A portion of the metal wire projecting from a distal end of the metal sheath is passed through the ceramic capillary. The ceramic capillary is bonded to the distal end of the metal sheath by an organic adhesive layer. A part of the insulation powder located at the distal end of the metal sheath is covered with the organic adhesive layer.

A multilayer insulated wire includes a conductor, an inner insulation layer, and an outer insulation layer. A gel fraction of the inner insulation layer defined below is not less than 80%. A gel fraction of the outer insulation layer defined below is less than the gel fraction of the inner insulation layer and not less than 75%. An insulation covering layer including the inner and outer insulation layers is cross-linked and has a tensile modulus of not less than 500 MPa in a tensile test conducted at a tensile rate of 200 mm/min. Gel fraction (%)=(mass of inner or outer insulation layer after being immersed in xylene at 110 C. for 24 hours, then left at 20 C. and atmospheric pressure for 3 hours and vacuum-dried at 80 C. for 4 hours/mass of inner or outer insulation layer before immersion in xylene)100

The present disclosure generally relates to coatings and compositions comprising conductive polymers. The present disclosure also relates to thermally stable coatings and compositions comprising solution processable polyaniline conducting polymers and thermal stability agents, and to processes for preparing the coatings and compositions.