精制对5,7-二氨基-4,6-二硝基苯并氧化呋咱性能的影响  

Effect of Refining on the Properties of 5,7-Diamino-4,6-dinitrobenzenfuroxan

作　　者：董岩[1] 刘祖亮[1] 

机构地区：[1]南京理工大学化工学院,江苏南京210094

出　　处：《含能材料》2013年第6期706-710,共5页Chinese Journal of Energetic Materials

摘　　要：为研究5,7-二氨基-4,6-二硝基苯并氧化呋咱(CL-14)的性能,经CL-14钾盐重结晶,高温酸化,加热下除酸,精制了C L-14。按GJB772A-1997标准化方法测试了精制前后样品的感度和热安定性。用DSC方法测试了其放热分解反应温度。结果表明,精制CL-14的pH值为6.5。撞击感度和摩擦感度分别为24%和16%。200℃真空安定性试验48 h放气量为0.81 mL·g-1。DSC放热分解反应峰温度为313.7℃,比精制前提高13.7℃,说明,精制后的C L-14有较低的酸度和良好的热安定性。In order to study the properties of 5,7-diamino -4,6-dinitrobenzenfuroxan（CL-14）, CL-14 was refined via recrystallization of potassium salt of CL-14, acidification at high temperature and acid elimination under heating. The sensitivity and thermal stability of unrefined CL-14 and refined CL-14 were tested by the standardization method GJB772A-1997. The peak temperature of exothermic decomposition reaction of unrefined CL-14 and refined CL-14 was determined by DSC. Results show that the pH of refined CL-14 is 6.5. The impact sensitivity and friction sensitivity are 24% and 16% respectively. The amount of gas evolved of refined CL-14 obtained by Vacuum Stability Test with 200 ℃/48 h is 0.81 mL·g-1.The peak temperature of exothermic decomposition reaction of refined CL-14 is 313.7 ℃, 13.7 ℃ higher than that of the unrefined CL-14, showing that the refined CL-14 has lower acidity and better thermal stability.

关 键 词：有机化学 5  7-二氨基-4 6-二硝基苯并氧化呋咱 酸度 热安定性 

分 类 号：TQ560.1[化学工程—炸药化工]