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含能材料  2013 

CL-20/DNB共晶炸药的制备与表征

Keywords: 有机化学,CL-20/DNB共晶炸药,制备,晶体结构

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Abstract:

采用溶液共结晶法制备得到一种由六硝基六氮杂异伍兹烷(HNIW,俗称CL-20)和1,3-二硝基苯(DNB)组成的新型共晶炸药,其中CL-20与DNB的摩尔比为1:1。粉末X射线衍射表明共晶炸药的衍射图谱明显不同于构成它的两个单组份;单晶X射线衍射测试结果表明,该共晶炸药属正交晶系,Pbca空间群,晶胞参数:a=0.94703(6)nm,b=1.34589(8)nm,c=3.3620(2)nm,α=β=γ=90?,V=4.2852(5)nm3,Z=8;差示扫描量热(DSC)法分析表明,CL-20/DNB共晶炸药在188~268℃间放热分解,熔点较DNB提高约45℃左右。

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