摘要:
There is provided an insulated wire having an insulation film composed of a plurality of layers provided on a conductor, in which: the insulation film includes a first film layer and a second film layer; the first film layer is made of a first resin composition formed by graft-polymerizing a graft compound with an ethylene-tetrafluoroethylene copolymer and is provided on a circumference of the conductor; and the second film layer is made of a second resin composition being a polymer alloy made of a polyphenylene sulfide resin and a polyamide resin, or being a polymer alloy made of a polyether ether ketone resin and a polyamide resin and is provided on a circumference of the first film layer.
摘要:
An insulated electric wire is composed of a conductor, and a lubricating layer containing a lubricant. The lubricating layer is formed around the perimeter of the conductor. The lubricating layer is not less than 0.06 and not more than 0.12 in an absorbance ratio A1/A2 expressed by an absorbance A1 of carbon-hydrogen stretching vibration and an absorbance A2 of benzene ring framework vibration, obtained by Fourier Transform Infrared Spectroscopy analysis of a surface of the lubricating layer.
摘要:
An insulated wire includes a conductor, and an insulating covering layer formed on a periphery of the conductor and including two or more insulating coatings. The insulating coatings include a polyamide-imide resin insulating material represented by chemical formula 1: where R indicates a divalent aromatic diamine including three or more aromatic rings. The insulating coatings are formed by applying and baking the polyamide-imide resin insulating material, and the polyamide-imide resin insulating material is obtained by reacting an imide group containing dicarboxylic acid with a diisocyanate, the imide group containing dicarboxylic acid being obtained by dehydration reaction of a diamine comprising a divalent aromatic diamine including three or more aromatic rings with an acid using an azeotropic solvent.
摘要:
There is provided an insulated wire equipped with an insulation film made of polymer alloy, the polymer alloy comprising an amorphous thermosetting resin and an amorphous thermoplastic resin, in which: the insulation film has a sea-island structure; the amorphous thermosetting resin is a sea component of the sea-island structure; and the amorphous thermoplastic resin is an island component of the sea-island structure.
摘要:
A polyamide-imide resin insulating coating material includes a polyamide-imide resin produced by reacting an aromatic diisocyanate component with a composition obtained by a synthesis reaction of a diamine component with an acid component that includes an aromatic tricarboxylic acid anhydride component (A) and an aromatic tetracarboxylic dianhydride component (B). The aromatic tetracarboxylic dianhydride component (B) includes an aromatic tetracarboxylic dianhydride component (B-1) having not less than four aromatic rings.
摘要:
An electric insulated wire according to the present invention is formed by applying a first insulation coating made from polyimide resin having a repeating unit represented as in chemical formula (1) to an electric conductor directly or through an insulation layer made from a second insulation coating, after which the first insulation coating is baked, the polyimide resin including a quadrivalent aromatic group (X) having an aromatic ether structure, a bivalent aromatic group (Y1) having an aromatic ether structure, and a bivalent aromatic group (Y2) having a fluorene structure; the first insulation coating has a compound ratio (Y1/Y2) of the bivalent aromatic group having an aromatic ether structure to the bivalent aromatic group having a fluorene structure within a range from 30/70 to 80/20, when represented as a mole ratio.
摘要:
An insulated wire including a conductor, and an insulating film formed by coating and baking an insulating varnish on the conductor directly or via another insulation layer. The insulating varnish includes a phenolic hydroxyl group-containing polyimide resin represented by a chemical formula (1): where X is a tetravalent aromatic group composing an aromatic tetracarboxylic dianhydride residue, Y1 is a divalent aromatic group including one or more phenolic hydroxyl groups and Y2 is a divalent aromatic group not including a phenolic hydroxyl group A ratio of the number Z1 of phenolic hydroxyl groups included in Y1 of the chemical formula (1) to the number Z2 of an imide group included in the chemical formula (1) is 0.15≦Z1/Z2≦0.85.
摘要:
An insulation-coated wire has a conductor, and a semiconductive layer provided at an outer periphery of the conductor, the semiconductive layer comprising a resin coating comprising metal fine particles dispersed in a base resin, in which an average particle diameter of the metal fine particles is not greater than 1 μm.
摘要:
There are provided a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide; and an electric wire using a polybutylene naphthalate-based resin composition, with an insulated coating layer formed on a conductor, by using a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide as an insulating material.
摘要:
A cable-type load sensor having an advantage in layout and being capable of sensing the load precisely is provided. The cable-type load sensor comprises a linear member composed of electrically conductive rubber and having a hollow part extending in the longitudinal direction at the central part of the cross section, and a cladding layer composed of the same kind of rubber material as the linear member and covering the circumference on the linear member.