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合成了反应型阻燃剂9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物(DOPO),与环氧树脂反应将阻燃元素磷引入到环氧树脂分子结构中,合成了阻燃的含磷环氧树脂.利用DTA研究了含磷环氧树脂/纳米氢氧化铝(ATH)等组成的阻燃环氧树脂体系的固化反应动力学,表观活化能△E为68.23kJ/mol,反应级数n为0.90.应用TGA初步评价了体系阻燃性能,700℃时成炭率15.73%,计算氧指数为24,初步表明有较好的阻燃效果.

参考文献

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