Effects of <i>closo</i>-icosahedral periodoborane salts on hypergolic reactions of 70% H<sub>2</sub>O<sub>2</sub> with energetic ionic liquids
作者:Ajay Kumar Chinnam、Natan Petrutik、Kangcai Wang、Avital Shlomovich、Olga Shamis、Daniel Shem Tov、Muhamed Sućeska、Qi-Long Yan、Roman Dobrovetsky、Michael Gozin
DOI:10.1039/c8ta03780a
日期:——
novel iodine-rich promoters, capable of initiating hypergolic ignition reactions between a typical EIL fuel – 3-ethyl-1-methyl-1H-imidazol-3-ium cyanotrihydroborate – and H2O2. Among the prepared and evaluated promoters, the top performing [FcCH2NEtMe2+]2[B12I122−] compound 5 showed ignition delay times of 45 ms in the reaction of the tested EIL with H2O2 (70%) and 17 ms with H2O2 (95%). We believe
据报道,许多高能离子液体(EILs)是用于高目标火箭推进的有希望的肼替代燃料。但是,大多数这些EIL是使用腐蚀性和有害浓烟熏硝酸点燃的。最近,人们做出了巨大的努力,以使用“火箭级”高浓度H 2 O 2(> 90%)作为发烟硝酸和N 2 O 4氧化剂的“绿色”替代品。尽管“火箭级” H 2 O 2比市售H 2 O 2更具使用挑战性,并且存储安全性较差(70%),后者不被认为是用于高推力推进的可行氧化剂。在这项工作中,我们专注于开发新型的富含碘的促进剂,该促进剂能够引发典型的EIL燃料– 3-乙基-1-甲基-1 H-咪唑-3-氰基三氢硼酸酯与H 2 O之间的高gogo点火反应。2。在准备和评估的促进剂中,性能最高的[FcCH 2 NEtMe 2 + ] 2 [B 12 I 12 2- ]化合物5在测试的EIL与H 2 O 2(70% )和H 2为17毫秒O 2(95%)。我们相信,这些发现为开发和利用可购得的H