高效含磷三嗪环环氧树脂反应性阻燃剂的合成

IF 1.7 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Multidiscipline Modeling in Materials and Structures Pub Date : 2023-05-15 DOI:10.1108/mmms-11-2022-0259
Fan Yang, Jihui Wang, Changzeng Wang, Junlei Chen, A. Ding
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引用次数: 1

摘要

目的寻找一种合适的合成新型高效环氧树脂阻燃剂的方法。设计/方法学/方法在本研究中,在去除难溶的三嗪的阻碍后,获得了一种具有杂环基团的阻燃剂HOMP。对其分子结构、热性能和阻燃性能进行了全面表征和分析。并运用多种方法对其机理进行了研究。此外,作者还评估了HOMP对机械性能的影响。结果表明,在磷含量仅为0.6wt%的情况下,HOMP对试样的燃烧有一定的抑制作用,在UL-94试验中LOI值可达29.2%,V0水平可达0.6wt%。就机理而言,HOMP是一种气相阻燃剂,有助于生成更厚的碳保护涂层。但在力学性能方面,加入HOMP后压缩性能有所提高,拉伸强度明显下降。该方法不仅简化了操作,而且获得了阻燃性能优良的HOMP。
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Synthesis of an efficient phosphorus and triazine ring-containing reactive flame retardant for epoxy resin
PurposeIn order to find an appropriate method to synthesize a new high-efficiency flame retardant for epoxy resin.Design/methodology/approachIn this work, a flame retardant with heterocyclic groups, HOMP, was acquired after removing the obstacle from triazines which was not readily soluble. The molecular structure, thermal and flame retardant properties were fully characterized and analyzed. Also, the mechanism was researched through multi-methodologies. As well, the authors evaluated the effects of HOMP on mechanical properties.FindingsThe results suggested that HOMP helped extinguish the combustion of specimens and could reach an LOI value of 29.2% and the V0 level in the UL-94 test with a phosphorus content of only 0.6wt%. With respect to the mechanism, HOMP was a gas-phase flame retardant and helped generate a thicker carbon protective coating. However, for the mechanical properties, the addition of HOMP enhanced the compressibility, while the tensile strength decreased significantly.Originality/valueThe approach not only simplified the operations but also obtained HOMP with excellent flame retardant properties.
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来源期刊
CiteScore
3.70
自引率
5.00%
发文量
60
期刊介绍: Multidiscipline Modeling in Materials and Structures is published by Emerald Group Publishing Limited from 2010
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