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    • 4. 发明授权
    • Halogen-free flame-retardant cable
    • 无卤阻燃电缆
    • US08420940B2
    • 2013-04-16
    • US12829536
    • 2010-07-02
    • Makoto IwasakiAkinari Nakayama
    • Makoto IwasakiAkinari Nakayama
    • H01B7/29
    • H01B7/295H01B3/302H01B3/446
    • A halogen-free flame-retardant cable includes a multi-core twisted wire including a plurality of insulated wires twisted together, the plurality of insulated wires each including a conductor and an insulation layer on an outer periphery of the conductor, an inner layer formed on an outer surface of the multi-core twisted wire, and an outer layer formed on the inner layer. The outer layer includes a resin composition including not less than 30 parts by mass of a flame retardant with respect to 100 parts by mass of thermoplastic polyurethane (TPU). The inner layer includes a resin composition comprising an ethylene-vinyl acetate copolymer (EVA) with a vinyl acetate (VA) content of not less than 33%, and the outer layer is subjected to cross-linking treatment.
    • 无卤素阻燃电缆包括多芯绞线,其包括多个绞合在一起的绝缘电线,所述多根绝缘电线各自包括导体和导体外周上的绝缘层,内层形成在 多芯绞线的外表面和形成在内层上的外层。 外层包含相对于100质量份的热塑性聚氨酯(TPU)为30质量份以上的阻燃剂的树脂组合物。 内层包括含乙酸乙烯酯(VA)含量不低于33%的乙烯 - 乙酸乙烯酯共聚物(EVA)和外层进行交联处理的树脂组合物。