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    • 5. 发明申请
    • FLAME RETARDANT PLENUM CABLE
    • 阻燃电缆
    • WO2005119704A1
    • 2005-12-15
    • PCT/US2005/015618
    • 2005-05-05
    • UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATIONJOW, JinderCOGEN, Jeffrey, M.
    • JOW, JinderCOGEN, Jeffrey, M.
    • H01B3/44
    • H01B7/295H01B3/441
    • For a flame retardant came, it has been surprisingly found that an insulated conductor, having at least two insulation layers, a composite dielectric constant less than or equal to 2.6, and a composite dissipation factor less than or equal to 0.005, can be prepared even though one of the insulation layers has a dielectric constant greater than 2.6 or a dissipation factor greater than 0.005. It has also been surprisingly found that an insulated conductor, having a composite dielectric constant less than or equal to 2.6 and a composite dissipation. factor less than or equal to 0.005, can be prepared with a non-halo~enated polyolefin as an insulation layer polymer, where the polyolefin having relatively poor dielectric/dissipative properties and the insulation layer composition being substantially free of halogenated or antimony trioxide flame retardant additives.
    • 对于阻燃剂来说,已经令人惊奇地发现,甚至可以制备具有至少两个绝缘层,小于或等于2.6的复合介电常数和小于或等于0.005的复合耗散系数的绝缘导体,甚至可以制备 尽管绝缘层之一具有大于2.6的介电常数或大于0.005的耗散因数。 也惊奇地发现,具有小于或等于2.6的复合介电常数的绝缘导体和复合耗散。 小于或等于0.005的因子可以用非卤代聚烯烃作为绝缘层聚合物制备,其中聚烯烃具有相对差的介电/耗散性质,绝缘层组合物基本上不含卤化或三氧化锑阻燃剂 添加剂。