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含能材料  2015 

两种新型1-取代的5-氨基四唑含能衍生物的合成及性能

DOI: 10.11943/j.issn.1006-9941.2015.11.012

Keywords: 有机合成 含能化合物 热分解 5-氨基四唑

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Abstract:

以2-氯-4-氨基吡啶为原料, 经硝化得到2-氯-4-氨基-3, 5-二硝基吡啶, 然后与5-氨基四唑进行缩合反应得到新型含能化合物2-(5-氨基-四唑-1-基)-4-氨基-3, 5-二硝基吡啶(1), 收率64%;由2-氨基-6-氯-3, 5-二硝基吡啶与5-氨基四唑缩合得到新型含能化合物6-(5-氨基四唑-1-基)-2-氨基-3, 5-二硝基吡啶(2), 收率41%。采用核磁共振、红外、质谱、元素分析对化合物1和2进行了结构表征。计算了化合物1和2的爆速、爆压及氧平衡, 利用TG和DSC分析法研究了化合物1和2的热行为。结果表明, 化合物1和2具有相同的爆速、爆压及氧平衡, 其值分别为8.18 km·s-1, 30.7 GPa和-62.9%。化合物1的热失重在280~325 ℃范围内变化, 累计失重71%, 热分解峰温为304.5 ℃; 化合物2的热失重在285~415 ℃范围内变化, 累计失重65%, 初始分解温度为310.67 ℃

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