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1.发明申请HALOGEN-FREE FLAME-RETARDANT POLYMER COMPOSITION, INSULATED ELECTRIC WIRE, AND CABLE 审中-公开无卤阻燃聚合物组合物，绝缘电线和电缆公开(公告)号：US20140030520A1
公开(公告)日：2014-01-30
申请号：US13949181
申请日：2013-07-23
申请人： Hitachi Metals, Ltd.
IPC分类号： H01B3/30
CPC分类号： H01B3/308 , C08K3/04 , C08K3/22 , C08K2003/2224 , C08L23/0815 , C08L23/0853 , C08L51/06 , C08L2201/02 , C08L2203/202 , H01B3/441 , H01B3/448 , H01B7/295 , Y10T428/292
摘要： 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.
摘要翻译： 无卤阻燃聚合物组合物包括阻燃性和优异的耐油性/耐燃料性，低温特性和耐损伤性，绝缘电线和电缆包括组合物。 无卤阻燃聚合物组合物包括：包含60〜70质量％的LLDPE，10质量％以上的熔体流动速率（MFR）为100以上的EVA和10〜20质量％ 马来酸改性聚烯烃的质量，相对于100质量份的基础聚合物以150〜220质量份的比例添加的金属氢氧化物和炭黑。 金属氢氧化物与炭黑的添加比（金属氢氧化物/碳黑）为15:1〜100:1。
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公开(公告)号：US20140083738A1
公开(公告)日：2014-03-27
申请号：US13974945
申请日：2013-08-23
申请人： Hitachi Metals, Ltd.
发明人： Kentaro Segawa , Motoharu Kajiyama
CPC分类号： H01B7/295 , H01B13/148
摘要： 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-α-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.
摘要翻译： 无卤素阻燃绝缘线包括导体和包括内层和外层的绝缘涂层。 内层包括内层树脂组合物，其中混合50〜95重量份密度为0.930g / cm 3以上的聚乙烯和5〜50重量份的乙烯共聚物。 外层包括外层树脂组合物，其包含基础聚合物，其中60至95重量份的含有60重量％或更多的乙酸乙烯酯的乙烯 - 乙酸乙烯酯共聚物和5至40重量份的马来酸 - 改性乙烯-α-烯烃共聚物混合，还含有80〜200重量份的金属氢氧化物。 至少外层树脂组合物是交联的。
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公开(公告)号：US09251929B2
公开(公告)日：2016-02-02
申请号：US13974945
申请日：2013-08-23
申请人： Hitachi Metals, Ltd.
发明人： Kentaro Segawa , Motoharu Kajiyama
CPC分类号： H01B7/295 , H01B13/148
摘要： 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-α-olefin copolymer are mixed, and including 80 to 200 parts by weight of a metal hydroxide. The outer layer resin composition is crosslinked.
摘要翻译： 无卤素阻燃绝缘线包括导体和包括内层和外层的绝缘涂层。 内层包含将50〜95重量份的密度为0.930g / cm 3以上的聚乙烯和5〜50重量份的乙烯共聚物混合的组合物。 外层具有包含基础聚合物的组合物，其中含有60〜95重量份含有60重量％以上乙酸乙烯酯的乙烯 - 乙酸乙烯酯共聚物和5〜40重量份马来酸改性的乙烯 - α-烯烃共聚物混合，并含有80〜200重量份的金属氢氧化物。 外层树脂组合物交联。
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公开(公告)号：US09174541B2
公开(公告)日：2015-11-03
申请号：US14190441
申请日：2014-02-26
申请人： Hitachi Metals, Ltd.
CPC分类号： B60L5/18 , B60L2200/26 , H01B7/295
摘要： 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.
摘要翻译： 用于铁路车辆的无卤素超高压电缆包括绞合导体，覆盖绞合导体的内部半导体层，通过内部半导体层的外部周边设置的外部半导体层 绝缘层和外半导体层的外周上的鞘层，鞘层含有80〜200重量份的金属氢氧化物和0.5〜10重量份的交联剂相对于100重量份的 含有乙烯 - 乙酸乙烯酯共聚物作为主要成分的烯烃类聚合物的重量，乙烯 - 乙酸乙烯酯共聚物的乙酸乙烯酯含量不小于40wt％且小于50wt％，熔体流动速率不大于 2.5g / 10分钟，树脂组合物交联。
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公开(公告)号：US20140138118A1
公开(公告)日：2014-05-22
申请号：US14038487
申请日：2013-09-26
申请人： Hitachi Metals, Ltd.
摘要： 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.
摘要翻译： 非卤素多层绝缘线包括导体，覆盖导体的内层和内层上的外层。 内层包括质量比在50:50至90:10范围内的高密度聚乙烯和共聚物的聚烯烃树脂组合物，共聚物包括乙烯 - 丙烯酸乙酯共聚物之一，其包含9％至35％ 的丙烯酸乙酯和含有15〜45质量％乙酸乙烯酯的乙烯 - 乙酸乙烯酯共聚物。 外层由聚酯树脂组合物制成，该聚酯树脂组合物包含主要包含聚酯树脂的基础聚合物，相对于100质量份的基础聚合物，还包括50〜150质量份的聚酯嵌段共聚物，0.5〜5 质量份的水解抑制剂和0.5〜5质量份的无机多孔质填料。
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