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Polymer-based ceramifiable composites for flame retardant applications: A review
Composites Communications ( IF 8 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.coco.2020.100405
Ying-Ming Li , Shuang-Lin Hu , De-Yi Wang

Abstract To improve the high-temperature resistance and inhibit the secondary disasters (such as explosion/radiation leakage attributing to power failure or short circuit) after fire, polymer-based ceramifiable composites (PCCs) have grown significantly in fire protection field caused by strong self-supporting and water spraying ceramic layer at 600–1000 °C. Generally, PCCs are fabricated through incorporating fluxing agent, silicate fillers, synergist, flame retardant and so on into polymer matrix. The polymer matrix could provide the composites with good processability, the ability to ease shaping and high elasticity. In this review, the different PCCs are compared and the effects of polymer matrix on the ceramization mechanism of composites are discussed. The factors influencing the self-supporting strength and water-resistant spraying time of ceramifiable polymer-based composites such as the type and incorporation amount of silicate fillers, ceramization temperature and fluxing agent are discussed. Meanwhile, the influence of flame retardant on the flame retardancy and ceramization property of PCCs is analyzed. Some perspectives and future directions on how to highly generate flame-retarding and strong self-supporting ceramifiable composites are proposed.

中文翻译:

用于阻燃应用的聚合物基陶瓷化复合材料:综述

摘要 为提高火灾后的耐高温性和抑制二次灾害(如停电或短路引起的爆炸/辐射泄漏等),聚合物基陶瓷化复合材料(PCCs)在火灾后因强自燃引起的消防领域得到了显着发展。 - 在 600–1000 °C 下支撑和喷水陶瓷层。通常,PCCs 是通过在聚合物基体中加入助熔剂、硅酸盐填料、增效剂、阻燃剂等制成的。聚合物基体可以为复合材料提供良好的加工性、易于成型和高弹性的能力。在这篇综述中,比较了不同的 PCC,并讨论了聚合物基体对复合材料陶瓷化机制的影响。讨论了影响陶瓷化聚合物基复合材料自支撑强度和耐水喷涂时间的因素,如硅酸盐填料的种类和掺入量、陶瓷化温度和助熔剂。同时分析了阻燃剂对PCCs阻燃性和陶瓷化性能的影响。提出了关于如何高度生成阻燃和强自支撑陶瓷复合材料的一些观点和未来方向。
更新日期:2020-10-01
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