H01B3/423

POLYESTER RESIN COMPOSITION, POLYESTER FILM, AND LAMINATE FOR ELECTRONIC DEVICE
20220411575 · 2022-12-29 · ·

The present disclosure relates to a polyester resin composition including a polyester resin including a diol residue and a dicarboxylic acid residue, wherein the diol residue includes a cyclohexanedimethanol residue and the dicarboxylic acid residue includes an isophthalic acid residue and a terephthalic acid residue, wherein an amount of the isophthalic acid residue is 0 to 20 mol % when a total amount of the dicarboxylic acid residue is considered as 100 mol %, wherein an amount of the cyclohexanedimethanol residue is 50 to 100 mol % when a total amount of the diol residue is considered as 100 mol %, wherein the polyester resin composition includes an antioxidant, and wherein the antioxidant includes a phenol-based antioxidant, a phosphorus-based antioxidant, and a sulfur-based antioxidant.

Resin molded article comprising wholly aromatic liquid crystalline polyester resin capable of reducing dielectric loss tangent by heat treatment and electrical and electronic component
11505647 · 2022-11-22 · ·

The invention provides a resin molded article containing a wholly aromatic liquid crystalline polyester resin and formed by being subjected to heat treatment, in which the enthalpy change Δ H.sub.1 at the melting point of the first cycle and the enthalpy change Δ H.sub.2 at the melting point of the second cycle of the temperature elevation process measured by a differential scanning calorimeter satisfy Δ H.sub.1/Δ H.sub.2≥2.0, and the dielectric loss tangent measured by the split-post dielectric resonator (SPDR) method at a measurement frequency of 10 GHz is 0.85×10.sup.−3 or less.

Molded wire and molded cable, and wire for molded wire and cable for molded cable
11488744 · 2022-11-01 · ·

A molded cable comprises a conductor, an insulation inner layer, an insulation outer layer, and a resin molded body. The insulation inner layer comprises a crosslinked ethylene resin composition and is provided an outer circumference of the conductor. The insulation outer layer comprises a crosslinked thermoplastic polyurethane composition and is provided on an outer circumference of the insulation inner layer. Arithmetic average roughness (Ra) of a surface of the insulation outer layer is 5 μm to 100 μm. The resin molded body coats an exposed end portion of the conductor and an end portion of the insulation outer layer at a side of the exposed end portion of the conductor. The resin molded body is fused to the insulation outer layer.

THERMALLY CONDUCTIVE ELECTRICALLY INSULATING THERMOPLASTIC MATERIALS

Thermally conductive electrically insulating compositions and structures and devices comprising such materials. In various embodiments, such materials comprise liquid crystal polymer and fillers, wherein the fillers comprise boron nitride and glass fiber. In various embodiments, the liquid crystal polymer is selected from the group consisting of semi-aromatic copolyesters, copolyamides, polyester-co-amides, and mixtures thereof.

Polymeric compositions for optical fiber cable components

Polymeric compositions comprising a polybutylene terephthalate; a low-density polyolefin selected from a low-density polyethylene, a polyolefin elastomer, or combinations thereof; and a maleated ethylene-based polymer. Optical cable components fabricated from the polymeric composition. Optionally, the polymeric composition can further comprise one or more additives, such as a filler. The optical fiber cable components can be selected from buffer tubes, core tubes, and slotted core tubes, among others.

INSULATED WIRE AND COIL

An insulated wire, containing: a rectangular conductor; and a thermoplastic resin layer on the rectangular conductor, wherein an adhesion strength between the thermoplastic resin layer and the rectangular conductor for a pair of sides of the rectangular conductor opposed to and an adhesion strength between the thermoplastic resin layer and the rectangular conductor for the other pair of sides of the rectangular conductor opposed to are different from each other.

Coaxial cable and medical cable using same

A coaxial cable includes a central conductor, and an electrical insulator formed around a circumference of the central conductor. The electrical insulator is made of an electrical insulating tape wrapped and overlapped around the circumference of the central conductor. The electrical insulating tape includes a plurality of voids formed on one outer circumferential surface.

Wire harness

It is an object of the present invention to ensure a high water-stopping property of a wire harness including a waterproofing connector section that is molded from a resin, by suppressing a variation in the outer size of a seal section of the connector section. The connector section is made from a first synthetic resin that is insert-molded with a part of a terminal fitting of the terminated electric cable used as an insert section. A water-stopping section is made from a second synthetic resin that is insert-molded with a section extending from a part of the terminal fitting to an insulation coating of the terminated electric cable used as an insert section. The seal section is made from the second synthetic resin that is insert-molded with a part of the connector section used as an insert section. The second synthetic resin is softer than the first synthetic resin.

Film-Type Cable Including Fuse Line
20230260675 · 2023-08-17 · ·

A film-type cable according to the present disclosure includes an insulating film and a plurality of conducting wires covered by the insulating film and extending in a first direction, each of the plurality of conducting wires separate by a predetermined distance, wherein each of the plurality of conducting wires includes: a fuse pattern section configured to be broken when a current exceeding a rated current flows through the fuse pattern section; and a normal section configured not to be broken when a current exceeding the rated current flows through the normal section, wherein the fuse pattern section may be thinner than the normal section.

Cable with insulating part and method of producing cable insulating part

A cable includes an insulating part and one or more conducting parts disposed inside the insulating part. The insulating part includes a polymer resin layer with a product of shrinkage ratios C.sub.MD*TD, which is expressed as a product of a longitudinal shrinkage ratio and a transverse shrinkage ratio, of less than 0.24.