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NEW APPROACHES TO THE CL-20/HMX COCRYSTAL A LESS SENSITIVE HIGH POWER EXPLOSIVE

机译:CL-20 / HMX晶体的新方法灵敏的高功率炸药

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Understanding the kinetic and thermodynamic of the formation of the 2:1 cocrystal of CL-20 and HMX is a key factor to optimize crystallization procedures in regard to time and material efficiency as well as crystal purity. Here we describe the temperature and polymorph dependency of the solvent-mediated cocrystallization of HMX and CL-20 in 2-propanol as well as the solubility curves of CL-20 and HMX in acetone/2-propanol mixtures and acetonitrile/2-propanol mixtures at room temperature. The formation time of the cocrystal in unseeded solvent-mediated crystallization shows a strong dependency on the temperature and applied CL-20 polymorph. The received CL-20/HMX cocrystal was found to be less friction sensitive, but more impact sensitive than HMX.
机译:了解CL-20和HMX 2:1共晶形成的动力学和热力学是在时间和材料效率以及晶体纯度方面优化结晶程序的关键因素。在这里,我们描述了溶剂介导的HMX和CL-20在2-丙醇中的共结晶的温度和多晶型依赖性,以及CL-20和HMX在丙酮/ 2-丙醇混合物和乙腈/ 2-丙醇混合物中的溶解度曲线在室温下。在非种子溶剂介导的结晶中,共晶的形成时间显示出对温度和所施加的CL-20多晶型物的强烈依赖性。发现接收到的CL-20 / HMX共晶与HMX相比,对摩擦的敏感性较低,但对冲击的敏感性更高。

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