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公开(公告)号：US09305679B2
公开(公告)日：2016-04-05
申请号：US14508794
申请日：2014-10-07
申请人： Hitachi Metals, Ltd.
发明人： Daisuke Abe , Ryutaro Kikuchi
摘要： A vinyl chloride resin composition includes 55 to 70 parts by mass of a plasticizer, 20 to 65 parts by mass of a metal hydrate and 0.3 to 3 parts by mass of a polytetrafluoroethylene per 100 parts by mass of a vinyl chloride resin. The polytetrafluoroethylene includes a fibril-forming polytetrafluoroethylene and a non-fibril-forming polytetrafluoroethylene.
摘要翻译： 氯乙烯树脂组合物包含55〜70质量份增塑剂，20〜65质量份金属水合物和0.3〜3质量份聚四氟乙烯/ 100质量份氯乙烯树脂。 聚四氟乙烯包括原纤维形成聚四氟乙烯和非原纤维形成聚四氟乙烯。
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2.发明授权公开(公告)号：US10186349B2
公开(公告)日：2019-01-22
申请号：US15170727
申请日：2016-06-01
申请人： Hitachi Metals, Ltd.
摘要： A non-halogen flame-retardant insulated electric wire and a non-halogen flame-retardant cable that have excellent abrasion resistance, terminal processability, and handling ease in a high-temperature environment are provided. A non-halogen flame-retardant insulated electric wire includes a conductor and a crosslinked single-layer or multilayer insulating layer on an outer periphery of the conductor. The insulating layer has a tensile elastic modulus of 500 MPa or more and an elongation at break of 120% or less in a tensile test performed at a displacement rate of 200 mm/min, and has a storage elastic modulus at 125° C. of 3×106 Pa or more in a dynamic viscoelasticity test.
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公开(公告)号：US09905326B2
公开(公告)日：2018-02-27
申请号：US14819873
申请日：2015-08-06
申请人： Hitachi Metals, Ltd.
发明人： Ryutaro Kikuchi , Akira Setogawa
IPC分类号： H01B1/24
CPC分类号： H01B1/24
摘要： A semiconductive resin composition is composed of a base polymer including an ethylene-vinyl acetate copolymer with a vinyl acetate content of not lower than 60 percent by weight, two or more of fatty acid zinc, oleic acid bisamide and trimellitic acid ester, a peroxide-based crosslinking agent having a one hour half-life temperature of not lower than 130 degrees C., and a carbon having a DBP (dibutyl phthalate) adsorption capacity of not larger than 150 mg/g.
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公开(公告)号：US10726969B2
公开(公告)日：2020-07-28
申请号：US15219089
申请日：2016-07-25
申请人： Hitachi Metals, Ltd.
摘要： A multilayer insulated wire includes a conductor, an inner insulation layer, and an outer insulation layer. A gel fraction of the inner insulation layer defined below is not less than 80%. A gel fraction of the outer insulation layer defined below is less than the gel fraction of the inner insulation layer and not less than 75%. An insulation covering layer including the inner and outer insulation layers is cross-linked and has a tensile modulus of not less than 500 MPa in a tensile test conducted at a tensile rate of 200 mm/min. Gel fraction (%)=(mass of inner or outer insulation layer after being immersed in xylene at 110° C. for 24 hours, then left at 20° C. and atmospheric pressure for 3 hours and vacuum-dried at 80° C. for 4 hours/mass of inner or outer insulation layer before immersion in xylene)×100
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5.发明申请公开(公告)号：US20190096544A1
公开(公告)日：2019-03-28
申请号：US16197899
申请日：2018-11-21
申请人： Hitachi Metals, Ltd.
摘要： A non-halogen flame-retardant insulated electric wire includes a conductor and a crosslinked single-layer or a multilayer insulating layer on an outer periphery of the conductor. The insulating layer has a tensile elastic modulus of 500 MPa or more and an elongation at break of 120% or less in a tensile test performed at a displacement rate of 200 mm/min, and has a storage elastic modulus at 125° C. of 3×106 Pa or more in a dynamic viscoelasticity test.
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公开(公告)号：US09812232B2
公开(公告)日：2017-11-07
申请号：US14934807
申请日：2015-11-06
申请人： Hitachi Metals, Ltd.
发明人： Tamotsu Kibe , Hisao Furuichi , Hiroshi Okikawa , Ryutaro Kikuchi
摘要： An electric wire includes a conductor having a cross-sectional area of not less than 180 mm2 and not more than 220 mm2, an insulation provided so as to cover the outer periphery of the conductor, and a wire sheath provided so as to cover the outer periphery of the insulation. The amount of deflection is not less than 180 mm when, at 23° C., one end of the electric wire is fixed to a fixture table so that another end horizontally protrudes 400 mm from the fixture table and a weight of 2 kg is attached to the other end, and cracks and breaks do not occur when wound with a bending diameter of three times the diameter at −40° C.
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公开(公告)号：US09624365B2
公开(公告)日：2017-04-18
申请号：US14733803
申请日：2015-06-08
申请人： Hitachi Metals, Ltd.
CPC分类号： C08L23/0869 , C08L23/06 , C08L23/26 , C08L2201/02 , C08L2203/202 , C08L2205/035 , C08L2207/062 , H01B3/441 , H01B3/447 , H01B3/448 , C08L51/06
摘要： A halogen-free crosslinkable resin composition includes a base polymer including a high density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of an ethylene-α-olefin copolymer modified with maleic anhydride, and 10 to 30 parts by mass of an ethylene-acrylic ester copolymer, and a metal hydroxide of which content is 120 to 200 parts by mass based on 100 parts by mass of the base polymer.
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8.发明授权公开(公告)号：US11049629B2
公开(公告)日：2021-06-29
申请号：US16197899
申请日：2018-11-21
申请人： Hitachi Metals, Ltd.
摘要： A non-halogen flame-retardant insulated electric wire includes a conductor and a crosslinked single-layer or a multilayer insulating layer on an outer periphery of the conductor. The insulating layer has a tensile elastic modulus of 500 MPa or more and an elongation at break of 120% or less in a tensile test performed at a displacement rate of 200 mm/min, and has a storage elastic modulus at 125° C. of 3×106 Pa or more in a dynamic viscoelasticity test.
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公开(公告)号：US09991027B2
公开(公告)日：2018-06-05
申请号：US14936113
申请日：2015-11-09
申请人： Hitachi Metals, Ltd.
发明人： Tamotsu Kibe , Hisao Furuichi , Hiroshi Okikawa , Ryutaro Kikuchi
CPC分类号： H01B7/04 , H01B3/00 , H01B3/441 , H01B3/446 , H01B5/00 , H01B7/0009 , H01B7/29 , H01B7/292 , H01B7/295 , H01B13/00
摘要： An electric wire includes a conductor having a cross-sectional area of not less than 225 mm2 and not more than 275 mm2, an insulation provided so as to cover the outer periphery of the conductor, and a wire sheath provided so as to cover the outer periphery of the insulation. The amount of deflection is not less than 130 mm when, at 23° C., one end of the electric wire is fixed to a fixture table so that another end horizontally protrudes 400 mm from the fixture table and a weight of 2 kg is attached to the other end, and cracks and breaks do not occur when wound with a bending diameter of three times the diameter at −40° C.
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公开(公告)号：US09627099B2
公开(公告)日：2017-04-18
申请号：US14931466
申请日：2015-11-03
申请人： Hitachi Metals, Ltd.
摘要： A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a maleic anhydride-modified high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-acrylic ester copolymer.
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