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    HALOGEN-FREE RESIN COMPOSITION, ELECTRIC WIRE AND CABLE
    1.
    发明申请
    HALOGEN-FREE RESIN COMPOSITION, ELECTRIC WIRE AND CABLE 审中-公开
    无卤树脂组合物，电线和电缆

    公开(公告)号：US20140141240A1

    公开(公告)日：2014-05-22

    申请号：US14084056

    申请日：2013-11-19

    Applicant: Hitachi Metals, Ltd.

    Inventor： Kentaro SEGAWA ,  Tamotsu KIBE

    IPC: H01B3/30 ,  H01B7/295

    CPC classification number: H01B3/30 ,  C08K3/22 ,  C08K3/36 ,  C08K2003/2224 ,  H01B3/441 ,  H01B7/295 ,  Y10T428/2933 ,  C08L23/02

    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 translation: 无卤素树脂组合物包含100〜250质量份金属氢氧化物和3〜50质量份无定形二氧化硅/ 100质量份作为基础聚合物的聚烯烃类树脂。 无定形二氧化硅的比重为2.1〜2.3g / cm 3，比表面积为15〜50m2 / g。 电线包括包含无卤树脂组合物的覆盖物。 电缆包括电线或包含无卤树脂组合物的覆盖物。

    HALOGEN-FREE EXTRA-HIGH-VOLTAGE CABLE FOR RAILWAY ROLLING STOCK
    3.
    发明申请
    HALOGEN-FREE EXTRA-HIGH-VOLTAGE CABLE FOR RAILWAY ROLLING STOCK 有权
    用于铁路滚筒的无卤素超高压电缆

    公开(公告)号：US20140290976A1

    公开(公告)日：2014-10-02

    申请号：US14190441

    申请日：2014-02-26

    Applicant: Hitachi Metals, Ltd.

    Inventor： Hajime NISHI ,  Motoharu KAJIYAMA ,  Yoshiaki NAKAMURA ,  Kentaro SEGAWA ,  Takayuki TANAKA

    IPC: B60L5/18 ,  H01B7/295 ,  B61C3/02

    CPC classification number: B60L5/18 ,  B60L2200/26 ,  H01B7/295

    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 translation: 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。

    HALOGEN-FREE FLAME-RETARDANT RESIN COMPOSITION, AND WIRE AND CABLE USING THE SAME
    4.
    发明申请
    HALOGEN-FREE FLAME-RETARDANT RESIN COMPOSITION, AND WIRE AND CABLE USING THE SAME 审中-公开
    无卤阻燃树脂组合物，使用它的电线和电缆

    公开(公告)号：US20140367144A1

    公开(公告)日：2014-12-18

    申请号：US14303185

    申请日：2014-06-12

    Applicant: Hitachi Metals, Ltd.

    Inventor： Kentaro SEGAWA ,  Makoto Iwasaki ,  Yoshiaki Nakamura

    IPC: H01B3/02 ,  H01B7/295 ,  H01B7/00 ,  H01B3/44

    CPC classification number: H01B7/295 ,  H01B3/441 ,  H01B3/448 ,  Y10T428/2958

    Abstract: A halogen-free flame-retardant resin composition includes a base polymer including not less than 5 mass % of an ethylene-α-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 translation: 无卤阻燃树脂组合物包括含有不低于5质量％的熔点不低于118℃的乙烯-α-烯烃嵌段共聚物的基础聚合物和玻璃化转变温度（Tg）为 不高于-40℃，相对于100质量份的基础聚合物，添加量为50〜250质量份的金属氢氧化物。

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