MULTI-LAYER CABLES
    28.
    发明申请
    MULTI-LAYER CABLES 审中-公开
    多层电缆

    公开(公告)号:US20160189829A1

    公开(公告)日:2016-06-30

    申请号:US14983082

    申请日:2015-12-29

    CPC classification number: H01B7/295 H01B3/004

    Abstract: A cable includes an inner layer surrounding a conductor and an outer layer surrounding the inner layer, and the outer layer is formed from an extruded outer layer composition including an at least partially cross-linked resin including a base polyolefin and a weak acid source, an inorganic flame retardant, and one more of an organic char former and a spumific agent. The cable passes the Underwriters Laboratory (“UL”) 1581 VW-1 Flame Spread Test and one or more of the UL 44 Long-Term Insulation Resistance Test at 90° C. and the ceramifying requirements of International Electrotechnical Commission (“IEC”) 60331-21. Methods of manufacturing such cables are also disclosed.

    Abstract translation: 电缆包括围绕导体的内层和围绕内层的外层,外层由包括至少部分交联的树脂的挤出外层组合物形成,所述至少部分交联的树脂包括基础聚烯烃和弱酸源, 无机阻燃剂,还有一种有机焦炭成型剂和疏水剂。 电缆通过美国保险商实验室(“UL”)1581 VW-1火焰蔓延测试和90°C的UL 44长期绝缘电阻测试和国际电工委员会(“IEC”)的陶瓷化要求, 60331-21。 还公开了制造这种电缆的方法。

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