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    • 15. 发明授权
    • Fire and thermal insulative wrap
    • 防火和热绝缘包装
    • US06852412B2
    • 2005-02-08
    • US09946300
    • 2001-09-04
    • Michael John Keogh
    • Michael John Keogh
    • B32B1/00C09D161/28H01B3/44H01B7/295D02G3/00H01B7/00
    • C09D161/28B32B1/00H01B3/441H01B7/295Y10T428/24182Y10T428/251Y10T428/2927Y10T428/2933Y10T428/294Y10T428/2947
    • A fire and thermal insulative wrap for protecting building wires and cables is provided comprising a layered construction of a support substrate and a coating, thereon, of an intumescent material. Optionally, a third ceramic layer is provided for added fire protection and electrical properties. Wires and cables constructed to include the wraps are cost effective because construction can include the substitution of low cost polyolefin resins and compounds for fluorocarbon resins and smoke suppressed PVC compounds. The new constructions based on polyolefin components advantageously produce lower levels of smoke and toxic and corrosive gases during a fire event when compared with the halogen based PVC and fluorocarbon systems. Moreover, the superior fire and thermal protection provided adds safety gained from increased circuit integrity. Finally, the wrap thickness being slight does not add significantly to cable size and therefore promotes an installation advantage.
    • 提供了用于保护建筑物电线和电缆的防火和热绝缘包裹物,其包括支撑基底和其上的膨胀材料的涂层的分层结构。 可选地,提供第三陶瓷层以增加防火和电气性能。 构造为包装的电线和电缆是成本有效的,因为构造可以包括代替低成本聚烯烃树脂和用于氟碳树脂的化合物和烟雾抑制的PVC化合物。 与基于卤素的PVC和碳氟化合物系统相比,基于聚烯烃组分的新结构有利地在火灾事件期间产生较低水平的烟雾和有毒和腐蚀性气体。 此外,提供的优越的防火和热保护增加了从增加的电路完整性获得的安全性。 最后,轻微的包裹厚度对电缆尺寸没有显着增加,因此促进了安装的优点。