A system and method for enhanced magnet wire insulation is described. The system of the invention provides an enhanced insulation for magnet wire that is capable of withstanding high temperatures and provides a seal against water that is needed in electric submersible pump (ESP) applications. The enhanced insulation of the system of the invention provides the dielectric advantages of polyimide tape, such as Kapton tape, while also including the advantages of organic polymer thermoplastic insulation that prevents the delaminating at high temperatures that may occur in pumping applications using a variety of electrical submersible motors.

The present invention aims to provide a resin composition capable of providing a molded article that has high slidability and high impact resistance, as well as excellent tensile strength. The present invention relates to a resin composition containing an aromatic polyether ketone resin (I) and a fluororesin (II). The composition preferably has a sodium content of 120 ppm or less relative to the composition or a calcium content of 15 ppm or less relative to the composition.

The invention pertains to composition of fluoroplastic and poly(aryletherketone), to method of making the same, and to shaped products therefrom, including notably wire sheaths, which combine advantageous performances of both ingredients, which can be easily manufactured through conventional equipment's, and which notably deliver room temperature toughness, in combination with notably chemical resistance and dielectric properties of fluoroplastics and with mechanical performances of poly(aryl ether ketone)s.

Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; a peripheral insulating layer with which a periphery of the conductor is coated; and a welding member provided at least one end portion of the conductor and joined, via a welded portion welded to the single core conductor or divided conductors, to at least a peripheral surface of the welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.

An insulated wire having an insulating coat layer on the conductor outer peripheral surface having a rectangular cross-sectional shape and also having a long side, a short side, and a corner portion with a curvature radius Rc,

wherein a thickness t1 of the insulating coat layer covered on the surface, and which layer includes a long side, a thickness t2 of the insulating coat layer covered on the surface, and which layer includes a short side, and a corner portion thickness t3 of the insulating coat layer satisfy formula (1):

t3/{(t1+t2)/2}≧1.2   Formula (1)

wherein the t1 and t2 are each independently from 20 μm to 50 μm, and

wherein a ratio of the conductor cross-sectional area Sc to the insulated wire cross-sectional area Sw satisfies formula (2)

1.0>Sc/Sw≧0.8;   Formula (2)

as well as a coil and an electric or electronic equipment using the same.

The present invention relates to a polypropylene resin composition and a cable cladded with the same. More particularly, the present invention relates to a polypropylene resin composition, including 25 to 35% by weight of a polypropylene polymer, 15 to 25% by weight of a styrene block copolymer, 15 to 25% by weight of a poly(arylene ether) resin, 26 to 35% by weight of a phosphorus flame retardant, and 0 to 10% by weight of a processing additive.

In accordance with the present invention, a polypropylene resin composition including a small amount of flame retardant but exhibiting excellent flame resistance, insulation performance, processability, and property balance, and a cable cladded with the same are provided.

Magnet wire including extruded insulation formed from multiple layers of different materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include a first layer of extruded thermoplastic insulation formed around the conductor and a second layer of extruded thermoplastic insulation formed around the first layer of extruded thermoplastic insulation. The first layer may be formed from a first polymeric material having a first thermal index, and the second layer may be formed from a second polymeric material having a second thermal index higher than the first thermal index.

The present application discloses an insulated wire and a preparation method thereof, a coil and an electronic/electrical device. According to the insulated wire, a bonding layer containing PEEK nano-powder is arranged between a conductor and a PEEK resin insulating layer, and a bonding agent for forming the bonding layer contains organic solvent, polyamide-imide resin and PEEK nano-powder material which are mixed. The bonding layer can be well bonded with both the conductor material and the PEEK resin insulating layer, so that the produced insulated wire rod has good adhesion, and cracking and detachment will not appear during application.

An insulated wire having a conductor, and a multilayer insulating layer composed of two or more layers coating the conductor, wherein the innermost insulating layer of the multilayer insulating layer is an insulating layer formed of a crystalline thermoplastic resin having a storage elastic modulus of 10 MPa or more at 300° C. and outer insulating layer(s) other than the innermost insulating layer include(s) an insulating layer formed of a crystalline thermoplastic resin having a melting point of 260° C. or higher and a storage elastic modulus of 1,000 MPa or more at 25° C., and adjacent insulating layers have a relationship such that the storage elastic modulus at 25° C. of the thermoplastic resin of the outer insulating layer is equal to or smaller than the inner insulating layer; and electric/electronic equipment formed using the insulated wire as a winding and/or lead wire of a transformer that is incorporated into the electric/electronic equipment.

Continuously transposed conductor (“CTC”) cables are described. A CTC cable may include a plurality of electrically insulated strands connected in parallel at their ends. Additionally, each strand may include one or more conductors and an extruded insulation layer formed at least partially around the one or more conductors.