Abstract: An insulated wire for vehicle use includes a conductor and an insulating layer disposed on an outer circumference of the conductor. The insulating layer comprises a halogen-free flame retardant cross-linkable resin composition containing a base polymer, and a silane coupling agent and a metal hydroxide which are added to the base polymer. The base polymer includes, as major components, (a) an ethylene-vinyl acetate copolymer (EVA) and (b) an acid-modified olefin resin having a Tg of ?55° C. or lower at a ratio (a):(b) of 70:30 to 100:0 and has an acetic acid content (VA) of 50% to 70% by mass. The silane-coupling agent is added in an amount of 1 to 5 parts by mass and the metal hydroxide is added in an amount of 100 to 250 parts by mass relative to 100 parts by mass of the base polymer.

Abstract: An insulated wire for vehicle use includes a conductor and an insulating layer disposed on an outer circumference of the conductor. The insulating layer comprises a halogen-free flame retardant cross-linkable resin composition containing a base polymer, and a silane coupling agent and a metal hydroxide which are added to the base polymer. The base polymer includes, as major components, (a) an ethylene-vinyl acetate copolymer (EVA) and (b) an acid-modified olefin resin having a Tg of ?55° C. or lower at a ratio (a):(b) of 70:30 to 100:0 and has an acetic acid content (VA) of 50% to 70% by mass. The silane-coupling agent is added in an amount of 1 to 5 parts by mass and the metal hydroxide is added in an amount of 100 to 250 parts by mass relative to 100 parts by mass of the base polymer.

Abstract: A non-halogen flame-retardant insulated wire includes a conductor and an insulating coating layer including an inner layer and an outer layer. The inner layer includes a composition in which 50 to 95 parts by weight of a polyethylene with a density of 0.930 g/cm3 or more and 5 to 50 parts by weight of an ethylene copolymer are mixed. The outer layer has a composition including a base polymer in which 60 to 95 parts by weight of an ethylene-vinyl acetate copolymer containing 60% by weight or more of vinyl acetate and 5 to 40 parts by weight of a maleic acid-modified ethylene-?-olefin copolymer are mixed, and including 80 to 200 parts by weight of a metal hydroxide. The outer layer resin composition is crosslinked.

Abstract: A halogen-free extra-high-voltage cable for railway rolling stock includes a stranded conductor, an inner semi-conducting layer covering the stranded conductor, an outer semi-conducting layer provided on an outer periphery of the inner semi-conducting layer via an insulation layer, and a sheath layer on an outer periphery of the outer semi-conducting layer, the sheath layer containing 80 to 200 parts by weight of metal hydroxide and 0.5 to 10 parts by weight of cross-linking agent with respect to 100 parts by weight of olefin-based polymer containing ethylene-vinyl acetate copolymer as a main component, the ethylene-vinyl acetate copolymer having a vinyl acetate content of not less than 40 wt % and less than 50 wt % and a melt flow rate of not more than 2.5 g/10 min and a resin composition is cross-linked.

Abstract: An insulated wire uses a resin composition. The insulated wire includes a conductor; and an insulating material provided on the conductor, the insulating material includes a polyester resin in 100 parts by weight, a non-bromine flame retardant agent in 1-30 parts by weight, a polyorganosiloxane core-graft copolymer in 1-50 parts by weight, an inorganic porous filler in 0.1-50 parts by weight; and a hydrolysis resistance modifier in 0.05-10 parts by weight.

Abstract: A halogen-free flame-retardant resin composition includes a base polymer including not less than 5 mass % of an ethylene-?-olefin block copolymer having a melting point of not less than 118° C. and a glass transition temperature (Tg) of not more than ?40° C., and a metal hydroxide added in an amount of 50 to 250 parts by mass per 100 parts by mass of the base polymer.

Abstract: A halogen-free extra-high-voltage cable for railway rolling stock includes a stranded conductor, an inner semi-conducting layer covering the stranded conductor, an outer semi-conducting layer provided on an outer periphery of the inner semi-conducting layer via an insulation layer, and a sheath layer on an outer periphery of the outer semi-conducting layer, the sheath layer containing 80 to 200 parts by weight of metal hydroxide and 0.5 to 10 parts by weight of cross-linking agent with respect to 100 parts by weight of olefin-based polymer containing ethylene-vinyl acetate copolymer as a main component, the ethylene-vinyl acetate copolymer having a vinyl acetate content of not less than 40 wt % and less than 50 wt % and a melt flow rate of not more than 2.5 g/10 min and a resin composition is cross-linked.

Abstract: A halogen-free resin composition includes 100 to 250 parts by mass of metal hydroxide and 3 to 50 parts by mass of amorphous silica per 100 parts by mass of polyolefin-based resin as a base polymer. The amorphous silica has a specific gravity of 2.1 to 2.3 g/cm3 and a specific surface area of 15 to 50 m2/g. An electric wire includes a covering including the halogen-free resin composition. A cable includes the electric wire or a covering including the halogen-free resin composition.

Abstract: A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer on the inner layer. The inner layer includes a polyolefin resin composition including a high density polyethylene and a copolymer in a mass ratio on the range of 50:50 to 90:10, and the copolymer includes one of an ethylene-ethyl acrylate copolymer including 9% to 35% by mass of ethyl acrylate and an ethylene-vinyl acetate copolymer including 15% to 45% by mass of vinyl acetate. The outer layer is made of a polyester resin composition that includes a base polymer mainly including a polyester resin and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, and 0.5 to 5 parts by mass of an inorganic porous filler.

Abstract: A halogen-free heat aging-resistant flame-retardant resin compound includes a mixture of 100 parts by mass of polyolefin-based resin, 100 to 250 parts by mass of metal hydroxide, and 2 to 5 parts by mass of an antioxidant including a first antioxidant having a melting point of not less than 200 degrees Celsius and a mean particle diameter of not greater than 10 ?m solely or a combination with a second antioxidant, and the mixture is cross-linked.

Abstract: A non-halogen flame-retardant insulated wire includes a conductor and an insulating coating layer including an inner layer and an outer layer. The inner layer includes an inner layer resin composition in which 50 to 95 parts by weight of a polyethylene with a density of 0.930 g/cm3 or more and 5 to 50 parts by weight of an ethylene copolymer are mixed. The outer layer comprises an outer layer resin composition including a base polymer in which 60 to 95 parts by weight of an ethylene-vinyl acetate copolymer containing 60% by weight or more of vinyl acetate and 5 to 40 parts by weight of a maleic acid-modified ethylene-?-olefin copolymer are mixed, and also including 80 to 200 parts by weight of a metal hydroxide. At least the outer layer resin composition is crosslinked.

Abstract: A halogen free flame-retardant polymer composition includes flame retardancy and excellent oil resistance/fuel resistance, low-temperature characteristics, and injury resistance, and an insulated electric wire and a cable include the composition. The halogen-free flame-retardant polymer composition includes a base polymer including 60 to 70% by mass of LLDPE, 10% by mass or more of EVA having a melt flow rate (MFR) of 100 or more, and 10 to 20% by mass of maleic acid-modified polyolefin, a metal hydroxide added at a ratio of 150 to 220 parts by mass relative to 100 parts by mass of the base polymer, and carbon black. The addition ratio (metal hydroxide/carbon black) between the metal hydroxide and the carbon black is 15:1 to 100:1.

Abstract: An insulated wire for vehicle use includes a conductor and an insulating layer disposed on an outer circumference of the conductor. The insulating layer comprises a halogen-free flame retardant cross-linkable resin composition containing a base polymer, and a silane coupling agent and a metal hydroxide which are added to the base polymer. The base polymer includes, as major components, (a) an ethylene-vinyl acetate copolymer (EVA) and (b) an acid-modified olefin resin having a Tg of ?55° C. or lower at a ratio (a):(b) of 70:30 to 100:0 and has an acetic acid content (VA) of 50% to 70% by mass. The silane-coupling agent is added in an amount of 1 to 5 parts by mass and the metal hydroxide is added in an amount of 100 to 250 parts by mass relative to 100 parts by mass of the base polymer.

Abstract: A halogen-free flame-retardant resin composition includes 100 parts by, weight of base polymer of polyolefin resin, not less than 50 parts by weight and not more than 250 parts by weight of metal hydroxide, not less than 1 part by weight and not more than 50 parts by weight of calcium borate, not less than 1 part by weight and not more than 50 parts by weight of zinc stannate, and less than 30 seconds of burning time after removal of flame in a vertical flame test complying with CODE 895 OR 3rd edition, appendix 6 of the UIC standard.

Abstract: A high heat-resistance resin composition, the high heat-resistance resin composition being thermally treated at 150° C. for 100 hours, wherein a heat absorption amount of the high heat-resistance resin composition which is measured at a melting point thereof by Differential Scanning Calorimetry (DSC) is equal to or less than 45 J/g before thermal treatment, an increasing rate of the heat absorption amount of the high heat-resistance resin composition which is measured at a melting point thereof after the thermal treatment by Differential Scanning Calorimetry (DSC) is equal to or less than 20% as compared to that before the thermal treatment, and a degree of extensibility thereof is equal to or more than 200% after the thermal treatment.

Abstract: A heat-resistant resin composition comprised of a mixture prepared by kneading a polybutylene terephthalate resin together with a component different from said polybutylene terephthalate resin, wherein a ? relaxation peak of said heat-resistant resin composition on the tan ? curve determined by the dynamic viscoelasticity measurement defined in Japanese Industrial Standard K 7244-4 appears at a temperature lower than a temperature at which a ? relaxation peak of a composition composed singly of a polybutylene terephthalate appears; and said another component is dispersed in said polybutylene terephthalate resin phase in a form of particles having sizes of 1 ?m or smaller.

Abstract: A polyester resin composition according to the present invention includes: a PBT resin; a styrene system elastomer; and a compound having a glycidyl group or a polyolefin composition in an amount of 50-80 wt %, 10-30 wt % and 10-30 wt %, respectively.

Abstract: An insulated wire uses a resin composition. The insulated wire includes a conductor; and an insulating material provided on the conductor, the insulating material includes a polyester resin in 100 parts by weight, a non-bromine flame retardant agent in 1-30 parts by weight, a polyorganosiloxane core-graft copolymer in 1-50 parts by weight, an inorganic porous filler in 0.1-50 parts by weight; and a hydrolysis resistance modifier in 0.05-10 parts by weight.

Abstract: A high heat-resistance resin composition, the high heat-resistance resin composition being thermally treated at 150° C. for 100 hours, wherein a heat absorption amount of the high heat-resistance resin composition which is measured at a melting point thereof by Differential Scanning Calorimetry (DSC) is equal to or less than 45 J/g before thermal treatment, an increasing rate of the heat absorption amount of the high heat-resistance resin composition which is measured at a melting point thereof after the thermal treatment by Differential Scanning Calorimetry (DSC) is equal to or less than 20% as compared to that before the thermal treatment, and a degree of extensibility thereof is equal to or more than 200% after the thermal treatment.

Abstract: A polyester resin composition according to the present invention includes: a PBT resin; a styrene system elastomer; and a compound having a glycidyl group or a polyolefin composition in an amount of 50-80 wt %, 10-30 wt % and 10-30 wt %, respectively.