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Flame Retardant Epoxy Composites on the Road of Innovation: An Analysis with Flame Retardancy Index for Future Development

机译:阻燃环氧复合材料在创新之路上:对未来发展的阻燃指数分析

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摘要

Nowadays, epoxy composites are elements of engineering materials and systems. Although they are known as versatile materials, epoxy resins suffer from high flammability. In this sense, flame retardancy analysis has been recognized as an undeniable requirement for developing future generations of epoxy-based systems. A considerable proportion of the literature on epoxy composites has been devoted to the use of phosphorus-based additives. Nevertheless, innovative flame retardants have coincidentally been under investigation to meet market requirements. This review paper attempts to give an overview of the research on flame retardant epoxy composites by classification of literature in terms of phosphorus (P), non-phosphorus (NP), and combinations of P/NP additives. A comprehensive set of data on cone calorimetry measurements applied on P-, NP-, and P/NP-incorporated epoxy systems was collected and treated. The performance of epoxy composites was qualitatively discussed as Poor, Good, and Excellent cases identified and distinguished by the use of the universal Flame Retardancy Index (FRI). Moreover, evaluations were rechecked by considering the UL-94 test data in four groups as V0, V1, V2, and nonrated (NR). The dimensionless FRI allowed for comparison between flame retardancy performances of epoxy composites. The results of this survey can pave the way for future innovations in developing flame-retardant additives for epoxy.
机译:如今,环氧复合材料是工程材料和系统的元素。虽然它们被称为通用材料,但环氧树脂患有高易燃性。从这个意义上讲,阻燃性分析被认为是制定未来几代环氧树脂系统的不可否认的要求。对环氧复合材料的相当大比例的致力于使用基于磷的添加剂。尽管如此,创新的阻燃剂巧合的是正在调查的,以满足市场要求。本综述纸试图概述通过在磷(P),非磷(NP),P / NP添加剂的组合方面通过文献进行分类来概述阻燃环氧复合材料的研究。收集综合对P-,NP-和P / NP掺入环氧系统的锥形量热法测量的一组综合数据。通过使用普遍阻燃性指数(FRI),对环氧复合材料的性能进行定性讨论和辨别出优异的病例。此外,通过考虑四组中的UL-94测试数据作为V0,V1,V2和非标准(NR)来重新检查评估。无量纲Fri允许比较环氧复合材料的阻燃性能。该调查的结果可以为未来的创新铺平为开发环氧树脂的阻燃添加剂的创新。

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