An insulated wire includes a conductor including a copper material, and an insulation layer that is formed on an outer periphery of the conductor. A restoring temperature T.sub.B of the conductor is not more than 130° C. The restoring temperature T.sub.B is a temperature that is needed to restore a conductivity of the conductor after a coil processing to a conductivity of the conductor before the coil processing.

There is provided a partial discharge-resistant paint that is excellent in the dispersibility of alumina particles, has an industrially suitable viscosity, and can form a coating that is excellent in partial discharge resistance and insulating properties. A partial discharge-resistant paint comprising at least one heat-resistant resin selected from the group consisting of a polyamide resin, a polyimide resin, a polyimide resin precursor, a polyamide-imide resin, a polyetherimide resin, and a polyester-imide resin; alumina particles having an aspect ratio of 2 to 99, and represented by the formula: Al.sub.2O.sub.3.nH.sub.2O; at least one selected from the group consisting of an organophosphorous compound, a sulfonic acid compound, an amic acid compound, a triazole compound, a compound represented by formula (A) below, a compound represented by formula (B) below, a compound represented by formula (C) below, citric acid, ethylenediaminetetraacetic acid, and an ethylenediaminetetraacetic acid derivative; and a solvent, wherein the solvent comprises 90% by mass or more of a solvent having a boiling point of 100° C. or more at a pressure of 1 atm, the alumina particle content is 10 to 30% by mass relative to a total of 100% by mass of the heat-resistant resin and the alumina particles, and a total content of the heat-resistant resin and the alumina particles is 10 to 30% by mass.

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There is provided a laminate having excellent partial discharge resistance. A laminate of a conductor and an insulating coating comprising a conductor and an insulating coating formed on the conductor, wherein the insulating coating is formed of a resin composition containing a metal oxide hydrate, and an inorganic insulating layer is formed on the insulating coating when the laminate is exposed to partial discharge caused by inverter surges.

A wiring member is provided with a plurality of electrical wires, a first resin molded part, and a second resin molded part. In the plurality of electrical wires, a first bundled wire part branches into a first branched wire part and a second bundled wire part at a first branch position, and the second bundled wire part branches into a second branched wire part and a third branched wire part at a second branch position. The first resin molded part covers the electrical wires at the first branch position, and maintains an extension direction of the first branched wire part. The second resin molded part is formed separately to the first resin molded part, covers the electrical wires at the second branch position, and maintains extension directions of the second branched wire part and the third branched wire part.

Coated conductors having a conductor at least partially surrounded by a polymeric composition. The polymeric composition contains a broad-molecular-weight-distribution high-density ethylene-based polymer and a narrow-molecular-weight-distribution linear-low-density ethylene-based polymer, and has a density of at least 0.95 g/cm.sup.3. Also disclosed are processes for preparing the polymeric composition and for making the coated conductors. Further disclosed are articles of manufacture containing the same.

A coating composition for a substrate includes a polymer binder, one or more hydrophobic silicon dioxide compositions, and one or more UV protection agents. The polymer binder can include a fluoropolymer or an epoxy polymer resin. The coating composition can also include molybdenum disulfide.

An electronic wire and a cable which are excellent in bending resistance even when a diameter is small. The electronic wire has a conductor and a resin insulating layer coated on the conductor. The conductor is a double twisted wire in which twisted wires formed by twisting a plurality of wires are twisted, a diameter of the wire is 0.05 mm or more and 0.2 mm or less, a cross-sectional area of the conductor is 1.0 mm.sup.2 or more and 3.0 mm.sup.2 or less, a breaking elongation of the conductor is 10% or more and 17% or less, a tensile strength of the conductor is 200 MPa or more and 400 MPa or less, and the insulating layer is disposed to be in close contact with the conductor and has a solid structure.

A communication cable includes two-core communication wires, a drain wire, and a metal foil collectively covering the two-core communication wires and the drain wire. The two-core communication wires are twisted, and the metal foil is wound around the two-core communication wires with an adhesion strength of 1.21 MPa or more. Preferably, the two-core communication wires are twisted with a twist pitch of 20 mm or more and 60 mm or less. The communication cable further may include a restraint formed of a resin coating extruded around the metal foil or a resin film laterally wound around the metal foil.

An insulated electric wire includes a conductor and an insulating layer coated in periphery of the conductor. The insulating layer is made of a resin composition containing a base polymer and a flame retardant. The flame retardant is made of silane-treated aluminum hydroxide, aluminum hydroxide treated with a treatment agent other than a silane coupling agent and/or untreated aluminum hydroxide. The base polymer contains a polymer having a polar group. The resin composition contains the flame retardant, a content of which is more than 40 parts by mass and equal to or less than 80 parts by mass per 100 parts by mass of the base polymer. The resin composition contains the silane-treated aluminum hydroxide, a content of which is equal to or more than 10 parts by mass and equal to or less than 70 parts by mass per 100 parts by mass of the flame retardant.

An electronic wire and a cable which are excellent in bending resistance even when a diameter is small. The electronic wire has a conductor and a resin insulating layer coated on the conductor. The conductor is a double twisted wire in which twisted wires formed by twisting a plurality of wires are twisted, a diameter of the wire is 0.05 mm or more and 0.2 mm or less, a cross-sectional area of the conductor is 1.0 mm.sup.2 or more and 3.0 mm.sup.2 or less, a breaking elongation of the conductor is 10% or more and 17% or less, a tensile strength of the conductor is 200 MPa or more and 400 MPa or less, and the insulating layer is disposed to be in close contact with the conductor and has a solid structure.