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Synthesis of a novel azaphosphorine flame retardant and its application in epoxy resins

机译：新型亚磷酸杂散阻燃剂的合成及其在环氧树脂中的应用

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摘要

A novel P-C-N bond containing azaphosphorine, 5-(4-hydroxy)anilinomethyl-1,3-di(4-hydroxy)phenyl-1,3,5-diazaphosphorinane (ADDPP-OH), which could be used as both a cocuring agent and a flame-retarding agent for epoxy resins (EPs), was synthesized from tetrakis(hydroxymethyl) phosphonium sulfate and characterized by FTIR, H-1-NMR, C-13-NMR, P-31-NMR, and so on. Compared with the pure EP, the ADDPP-OH-EP composites showed increased decomposition temperatures and char yields. When the content of ADDPP-OH was 10 wt %, the cured EP composite possessed a limiting oxygen index value of 33.7% and passed the V-0 rating of the UL-94 test. The mechanical properties of the ADDPP-OH-EP composites was improved because of the increased crosslinking density. In addition, the morphology of the residual char indicated an intumescent and multiporous structure in the inner space and a compact and continual appearance in the outer layer; this was important in preventing the materials from burning further. (C) 2017 Wiley Periodicals, Inc.
机译：含有四磷素，5-（4-羟基）苯胺甲基-1,3,5-二羟基）苯基-1,3,5-二羟基甲基丙烷（AddPP-OH）的新型PCN键，可用作椰子和环氧树脂（EPS）的阻燃剂由四（羟甲基）硫酸鏻合成，并通过FTIR，H-1-NMR，C-13-NMR，P-31-NMR等特征。与纯EP相比，ADDPP-OH-EP复合材料显示出增加的分解温度和炭产率。当AddPP-OH的含量为10wt％时，固化的EP复合材料具有限制氧指数值为33.7％，并通过了UL-94测试的V-0等级。由于交联密度增加，提高了ADDPP-OH-EP复合材料的机械性能。此外，残留炭的形态表明了内部空间中的膨胀和多色结构，以及外层的紧凑且连续的外观;这对于防止材料进一步燃烧非常重要。 （c）2017 Wiley期刊，Inc。

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  • 来源
    《Journal of Applied Polymer Science》 |2018年第10期|共11页
  • 作者

    Liu Chao; Huang Jiamei; Zhu Jihong; Yuan Conghui; Zeng Birong; Chen Guorong; Xu Yiting; Dai Lizong;

  • 作者单位

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

    Xiamen Univ Coll Mat Fujian Prov Key Lab Fire Retardant Mat Xiamen 361005 Fujian Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    flame retardance; mechanical properties; thermal properties; thermosets;

    机译：阻燃;机械性能;热性能;热固性夹;

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