The present disclosure provides an electric cable, comprising two signal conductors, a resin insulating layer, an expanded polytetrafluoroethylene insulating film, an electromagnetic shielding film, two ground conductors, and a covering layer. The resin insulating layer covers the two signal conductors. The expanded polytetrafluoroethylene insulating film covers the resin insulating layer. The electromagnetic shielding film covers the expanded polytetrafluoroethylene insulating film. The two ground conductors are disposed at two sides of the electromagnetic shielding film. The cladding layer clads the electromagnetic shielding film and the two ground conductors. Through the expanded polytetrafluoroethylene insulating film, the electric cable can be applied to compact products, and the electric cable can be highly flexible such that the signal transmission performance would not be affected after being repeatedly bent.

The present disclosure relates to an electric vehicle charging cable capable of effectively cooling heat, which is generated therein during charging of an electric vehicle, using a cooling fluid, preventing damage to internal components thereof due to heat, and minimizing a diameter of the cable.

The present disclosure relates to a porous polymer actuator which maintains the porous structure of the polymer actuator by forming a conductive polymer layer on a commercially available porous polymer separation membrane by vapor-phase polymerization and is capable of improving fast responsiveness to organic solvents and durability by ensuring structural anisotropy, and a method for fabricating the same. The porous polymer actuator according to the present disclosure includes: a porous polymer separation membrane having pores; and a conductive polymer layer coated on one surface and in the pores of the porous polymer separation membrane, wherein the porous polymer actuator has a gradient wherein the amount of the conductive polymer coated in the pores decreases from the one surface of the porous polymer separation membrane toward the other surface.

An insulating cable having a conductor and an insulator configured by a plurality of resin layers on the conductor, wherein the plurality of resin layers contain the same kind of fluorine resin, a difference in refractive index between a resin layer having the largest refractive index and a resin layer having the smallest refractive index among the plurality of resin layers is 0.03 or less, a layer thickness of an outermost resin layer of the insulator is 0.03 mm or less, and a deviation (coefficient of variation CV) in thickness of the insulator in a cross-section perpendicular to a longitudinal direction of the cable is 0.035 or less.

The present invention aims to provide a paste containing polytetrafluoroethylene which can be formed into a molded polytetrafluoroethylene article having a significantly small thickness of polytetrafluoroethylene and is less likely to cause defects in molding; and a method of producing the paste. The present invention provides a method of producing a paste, including the steps of coagulating primary particles of polytetrafluoroethylene in an aqueous dispersion that contains the primary particles and water to form slurry that contains secondary particles of polytetrafluoroethylene and water or secondary particles of polytetrafluoroethylene floating in water; and adding an organic solvent to at least one of the slurry and the secondary particles of polytetrafluoroethylene floating in water to provide the paste.

A copolymer containing tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, and having a content of the fluoro(alkyl vinyl ether) unit of 2.0 to 2.8% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 5 to 23 g/10 min, and the number of functional groups of 50 or less per 10.sup.6 main-chain carbon atoms.

Disclosed is a skin treatment needle by which energy is supplied into skin tissue to increase the speed of skin regeneration. The skin treatment needle includes a needle body that is formed of a conductive material and inserted into skin, starting from a front end thereof. A region of an outer circumferential surface of the needle body includes a conductive portion which is a region inducing an electric field different from those formed at other portions of the needle body, and the conductive portion includes a plurality of corrugations to cause an electric field formed via the conductive portion to have a uniform distribution without being biased and concentrated to a side.

An electric cable is providing having at least one elongated electrically conducting element containing a plurality of electrically conducting strands and at least one fluorinated polymer layer surrounding said elongated electrically conducting element, said cable further comprising a metallic layer comprising nickel interposed between the elongated electrically conducting element and the fluorinated polymer layer, and a method of manufacturing said cable.

A mobile dedicated cable for a medical Computed Tomography (CT) bed, having an inner sheath layer, a first Teflon® belt, a signal cable layer, a second Teflon® belt, a braided layer and an outer sheath layer, which are coaxially arranged from inside to outside in sequence. The inner sheath layer has a PVC filling strip wrapped by the first Teflon® belt, and a plurality of bulletproof filaments arranged in the center of the PVC filling strip. The signal cable layer has a plurality of signal lines evenly arranged therein, each of which are circumscribed with the first Teflon® belt and the second Teflon® belt, and with two signal lines adjacent thereto.

Electronic telecommunication articles are described comprising a crosslinked fluoropolymer layer. In typical embodiments, the crosslinked fluoropolymer layer is a substrate, patterned (e.g. photoresist) layer, insulating layer, passivation layer, cladding, protective layer, or a combination thereof. Also describes are methods of making an electronic telecommunications article and method of forming a patterned fluoropolymer layer. The fluoropolymer preferably comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites selected from nitrile, iodine, bromine, and chlorine. Illustrative electronic communication articles include integrated circuits, printed circuit boards, antennas, and optical fiber cables. Fluoropolymer compositions are also described.