Abstract: A communication electric wire 1 includes: a conductor 2; an insulating layer 3 covering an outer periphery of the conductor 2; and a magnetic sheath layer 8 covering an outside of the insulating layer 3, wherein the magnetic sheath layer 8 contains an organic polymer and a magnetic material, the magnetic sheath layer 8 contains 15 parts by mass or more of an acid-modified polymer in 100 parts by mass of the entire organic polymer, and the magnetic material is composed of particles with an average particle diameter of 50 ?m or less, and a content of the magnetic material in the magnetic sheath layer 8 is 300 parts by mass or more with respect to 100 parts by mass of the entire organic polymer.

Abstract: A communication cable 1 is provided with a conductor 2, an insulation layer 3 containing an organic polymer and covering an outer periphery of the conductor 2, a metal foil 5 for covering an outer periphery of the insulation layer 3, and a magnetic sheath layer 7 containing an organic polymer and a powdered magnetic material and covering an outer periphery of the metal foil 5. A tensile modulus of elasticity of the magnetic sheath layer 7 is lower than that of the insulation layer 3. Assuming that an organic polymer having a melting point of 100° C. or lower is a low melting point polymer and a mass ratio of the low melting point polymer to organic polymer components constituting each layer is a low melting point component ratio, the low melting point component ratio is larger in the magnetic sheath layer 7 than in the insulation layer 3.

Abstract: A communication cable includes a coating layer that contains a powdery magnetic material and that can suppress the occurrence of a powdery substance containing the magnetic material when processing the coating layer. The communication cable further includes a conductor, an insulating coating that covers an outer circumstance of the conductor, and a magnetic sheath layer that covers an outer side of the insulating coating, and the magnetic sheath layer contains the magnetic material and the magnetic material has a particle shape with an average particle diameter of not more than 50 ?m and an aspect ratio of not greater than 4.

Abstract: A communication cable 1 includes a conductor 11 for transmitting electric signals and an outer layer 15 that is disposed outside the conductor 11 and contains an organic polymer. The communication cable 1 has at least one of a first form in which the outer layer 15 contains a chloride-forming flame retardant capable of forming a chloride and a second form in which an inner layer 13 containing an organic polymer and a chloride-forming flame retardant capable of forming a chloride is further provided between the outer layer 15 and the conductor 11. The outer layer 15 contains a first organic polymer and a second organic polymer having a higher tensile modulus than the first organic polymer, and the overall organic polymer component constituting the outer layer 15 has a tensile modulus of at least 100 MPa.

Abstract: It is aimed to provide a communication cable which includes a solid sheath on an outer periphery of a signal cable having a plurality of insulated wires and in which transmission characteristics hardly decrease due to a pressure in extrusion-molding a sheath. A communication cable 1 is provided with a signal cable 10 including a plurality of insulated wires 11 each having a conductor 12 and an insulation coating 13 covering an outer periphery of the conductor 12, and a solid sheath 20 covering an outer periphery of the signal cable 10. A melt flow rate of a constituent material of the sheath 20 measured at 200° and with a load of 2.16 kg is 0.25 g/10 min. or more.

Abstract: Provided is a communication cable provided with a coating layer that contains a powdery magnetic material and that can suppress the occurrence of a powdery substance containing the magnetic material when processing the coating layer. A communication cable 1 includes a conductor 2, an insulating coating 3 that covers an outer circumstance of the conductor 2, and a magnetic sheath layer 8 that covers an outer side of the insulating coating 3, and the magnetic sheath layer 8 contains the magnetic material and the magnetic material has a particle shape with an average particle diameter of not more than 50 ?m and an aspect ratio of not greater than 4.

Abstract: A shielded communication cable. The shielded communication cable includes a pair of insulated wires twisted with each other containing a conductor and an insulation covering which covers the conductor and has the relative dielectric constant of 2.5 or lower, a braided shield which covers the pair of insulated wires, a film-shaped shield which contains a metal film and longitudinally laps the pair of the insulated wires over the braided shield and a jacket having an inner diameter of 3.5 mm or smaller which covers the film-shaped shield. The pair of insulated wires are twisted with each other with a twist pitch of 30 times of an outer diameter of each of the insulated wires or smaller, and the shielded communication cable has a characteristic impedance in range of 100±5?.

Abstract: Provided is an insulated wire with bonding layer having excellent adhesive strength between an insulating coating layer and a bonding layer that is provided on the outside of the insulating coating layer. An insulated wire 1 with bonding layer includes: a conductor 2; an insulating coating layer 3 that covers an outer circumference of the conductor 2; and a bonding layer 4 that is provided on an outer side of the insulating coating layer 3 and is bonded by heat, wherein the insulating coating layer 3 contains polyvinyl chloride, and the bonding layer 4 contains a modified polyolefin resin and a polyamide resin.

Abstract: Provided is an insulated wire with bonding layer having a bonding layer with excellent adhesive strength on both an insulating coating layer and an adherend as an outer layer. An insulated wire 1 with bonding layer has a conductor 2, an insulating coating layer 3 covering an outer circumference of the conductor 2, and a bonding layer 4 provided on an outer side of the insulating coating layer and for bonding by heat, the bonding layer 4 containing (A) a modified polyolefin, and (B) one or more materials selected from a polyester resin and a polyester elastomer, and the bonding layer 4 containing 10 to 70 parts of the (B) component per 100 parts total of the (A) and (B) components.