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含能材料  2012 

环保起爆药四(5-硝基四唑)·二水合铁(Ⅱ)化钠的合成和特性

DOI: 10.3969/j.issn.1006-9941.2012.06.014

Keywords: 有机化学,起爆药,四(5-硝基四唑)·二水合铁化钠,环保,合成,性能

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Abstract:

以5-硝基四唑钠和氯化亚铁为原料,在98~100℃、回流3h的条件下得到橘黄色四(5-硝基四唑)·二水合铁化钠(NaFeNT)产物,利用元素分析、扫描电镜和能谱、红外分析等方法表征了其结构。研究了NaFeNT的热性能(DSC、爆发点)、安定性(吸湿性、真空安定性)、爆炸性能(爆热、比容、爆速、撞击、摩擦、火焰、静电感度)和废水处理方法。结果表明:NaFeNT放热峰温度为258℃,5s延滞期爆发温度为278℃,30℃/120h条件下吸湿增重3.58%,100℃/连续40h/真空状态下放气量为0.17mL·g-1,爆热、爆速和比容分别为3929J·g-1、5550m·s-1和506mL·g-1。撞击感度低于高氯酸·四氨·双(5-硝基四唑)合钴(Ⅲ)(BNCP)、叠氮化铅(LA)和斯蒂酚酸铅(LTNR),摩擦感度高于BNCP、LA和LTNR,2cm时火焰感度为76%,静电感度较钝感。

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