FOX-7/RDX复合炸药的制备、表征及性能研究  

Preparation,Characterization and Properties of FOX-7/RDX Composite Explosive

作　　者：周诚[1] 常佩[1] 胡玲[1] 李祥志[1] 熊存良[1] 王伯周[1] ZHOU Cheng;CHANG Pei;HU Ling;LI Xiang-zhi;XIONG Cun-liang;WANG Bo-zhou(Xi′an Modern Chemistry Research Institute, Xi′an 710065, China)

机构地区：[1]西安近代化学研究所,陕西西安710065

出　　处：《火炸药学报》2020年第6期669-673,680,共6页Chinese Journal of Explosives & Propellants

基　　金：国家重大基础科研专项。

摘　　要：为了降低RDX的感度,采用溶剂-非溶剂法制备了FOX-7/RDX复合炸药;采用扫描电镜(SEM)分析了FOX-7/RDX复合炸药的微观形貌;采用红外、X射线衍射(XRD)表征了其结构;测试了其撞击感度;采用DSC和TG分析了FOX-7/RDX复合炸药的热性能。结果表明,FOX-7/RDX复合炸药并未形成共晶化合物,而是FOX-7包覆在RDX表面形成的一种复合物;随着FOX-7含量的逐渐增加,RDX晶体包覆得更加完整,FOX-7/RDX复合炸药的撞击感度也逐渐降低;当FOX-7与RDX的质量比为3∶1时,其撞击感度由单质RDX的80%降为32%。FOX-7/RDX复合炸药的分解放热峰温为232.8℃,较RDX降低了5.2℃,这表明FOX-7/RDX复合炸药的热性能较单质RDX略有降低。In order to reduce the sensitivity of RDX,FOX-7/RDX composite explosives were prepared by the solvent-nonsolvent method.The micro morphologies were analyzed by SEM(scanning electron microscopy),the structures were characterized by IR and XRD(X-ray diffraction),and the impact sensitivities were measured.The thermal behaviors of FOX-7/RDX composite explosive were studied by DSC and TG.The results show that FOX-7/RDX is not a co-crystal but rather a composite,which is formed by FOX-7 coating on RDX surface.The more content of FOX-7,the more complete coverage of RDX,and the lower impact sensitivity of the FOX-7/RDX composite explosive.When the mass ratio of FOX-7∶RDX is 3∶1,the impact sensitivity decreases from 80%(pure RDX)to 32%(FOX-7/RDX).The decomposition peak temperature of FOX-7/RDX is 232.8℃,which is 5.2℃lower than that of RDX.The addition of FOX-7 makes the thermal stability of FOX-7/RDX composite explosive slightly lower than that of RDX.

关 键 词：有机化学 FOX-7/RDX复合炸药 形貌 热性能 撞击感度 

分 类 号：TJ55[兵器科学与技术—军事化学与烟火技术] O62[理学—有机化学]