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METAL COMPLEX-BASED FIRE AND SMOKE RETARDANT INTUMESCENT COATING FOR POWER CABLES

机译:用于电源线的基于金属复合物的阻燃烟熏直纹涂层

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摘要

Fire retardant intumescent coatings based on pentanediono complex of chromium, phosphates, amides, polyols, amino, and acrylic binders have been developed for polyvinyl chloride insulated power cables. The fire performance of developed coatings has been assessed by employing different national and international standard procedures. The cables coated with metal complex-based coating showed significant improvement in circuit failure time in power cable, fairly high Limiting Oxygen Index (LOI), reduced smoke generation, and no surface spread of flame on exposure to test conditions. During fire, the intumescent coating swelled to form spongy, cellular insulating foam which acts as an effective barrier against the conduction of heat to the surface and to the core of electric cable specimen.
机译:已经开发出了基于戊二酮络合物的阻燃膨胀型涂料,该复合物由铬,磷酸盐,酰胺,多元醇,氨基和丙烯酸类粘合剂组成,用于聚氯乙烯绝缘的电力电缆。已通过采用不同的国家和国际标准程序来评估已开发涂料的防火性能。涂有金属配合物涂层的电缆在电力电缆中的电路故障时间显着改善,极限氧指数(LOI)很高,减少了烟雾的产生,并且在暴露于测试条件下没有火焰的表面扩散。着火时,膨胀的涂层膨胀形成海绵状多孔绝缘泡沫,该泡沫作为有效的屏障,可防止热量传导到电缆样本的表面和芯部。

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  • 来源
    《Journal of Applied Fire Science》 |2014年第4期|453-466|共14页
  • 作者单位

    Fire Research Laboratory CSIR-Central Building Research Institute Roorkee, (UK) 247667 India;

    CSIR-Central Building Research Institute, India;

    CSIR-Central Building Research Institute, India;

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  • 正文语种 eng
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