Isomeric Cocrystals of CL-20: A Promising Strategy for Development of High-Performance Explosives,Crystal Growth & Design

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Isomeric Cocrystals of CL-20: A Promising Strategy for Development of High-Performance Explosives
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2018-09-24 00:00:00 , DOI: 10.1021/acs.cgd.8b01068
Zongwei Yang ₁ , Haojing Wang ₂ , Yuan Ma ₂ , Qi Huang ₁ , Jichuan Zhang ₃ , Fude Nie ₁ , Jiaheng Zhang ₃ , Hongzhen Li ₁

Affiliation

Two novel isomeric cocrystals based on CL-20 (2,4,6,8,10,12-hexanitrohexaazaisowurtzitane) and MDNI (1-methyl-dinitroimidazole) isomers including a 1:1 CL-20/2,4-MDNI (1) and a 1:1 CL-20/4,5-MDNI (2) were obtained. These cocrystals have high densities, high predicted detonation properties, and low impact sensitivities with excellent thermal stabilities, for example, 2 (ρ: 1.882 g cm^–3; D: 8915 m s^–1, P: 35.88 GPa; IS: 11 J) exhibits excellent comprehensive performances. Notably, adopting the isomer as a coformer for constructing energetic cocrystals or even new cocrystal forms and further tuning properties represents a study orientation of explosives that is not yet exploited in the energetic material field.

中文翻译：

CL-20的同晶共晶体：高性能炸药发展的有前途的策略

基于CL-20（2,4,6,8,10,12-六硝基六氮杂异纤锌矿型结构烷烃）和MDNI（1-甲基-二硝基咪唑）异构体的两种新型异构共晶体，包括1：1 CL-20 / 2,4-MDNI（1）和1：1 CL-20 / 4,5-MDNI（2）。这些共晶具有高密度，高预测爆轰性能和低冲击敏感性，具有出色的热稳定性，例如，2（ρ：1.882 g cm ^–3； D：8915 ms ^–1，P：35.88 GPa； IS：11 J）表现出优异的综合性能。值得注意的是，采用异构体作为共聚体来构建高能共晶甚至新的共晶形式并进一步调整性能代表了炸药的研究方向，而该研究方向尚未在高能材料领域得到开发。

更新日期：2018-09-24

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