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.

发明人： Hajime Nishi ,  Motoharu Kajiyama ,  Yoshiaki Nakamura ,  Kentaro Segawa ,  Takayuki Tanaka

IPC分类号： H01B7/00 ,  B60L5/18 ,  H01B7/295

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。