Trapping molecular hydrazine in a cocrystal via hydrogen bonding,Journal of Materials Chemistry A

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Trapping molecular hydrazine in a cocrystal via hydrogen bonding
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2024-05-14 , DOI: 10.1039/d4ta01948b
Mingjie Tang ₁ , Xudong Wang ₁ , Xuran Xu ₁ , Zhiwei Zeng ₁ , Chunhui Chen ₁ , Yuji Liu ₁ , Wei Huang ₁ , Yongxing Tang ₁

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Hydrazine (N₂H₄) has played a pivotal role as a fuel in liquid rocket propellants for a long time, but its inherent volatility and toxicity present a challenge in meeting the criteria for green and high-performance propellants. In this study, we have successfully crafted a high-performance nitrogen-rich heterocyclic skeleton (1) tailored for trapping hydrazine within a cocrystal material (2) by employing a self-assembly approach driven by hydrogen bonding. Notably, the cocrystal (2) exhibits a significantly heightened evaporation temperature of 166 °C compared to hydrazine's 113.5 °C. In addition, it shows a remarkably high specific impulse (265.8 s) in ammonium perchlorate-based solid propellant formulations, positioning it as a potential burn rate modifier in the next generation of environmentally sustainable propellants.

中文翻译：

通过氢键将肼分子捕获在共晶中

肼 (N ₂ H ₄ ) 长期以来作为液体火箭推进剂的燃料发挥着关键作用，但其固有的挥发性和毒性对满足燃料电池标准提出了挑战。绿色高性能推进剂。在这项研究中，我们通过采用氢键驱动的自组装方法，成功地制作了一种高性能的富氮杂环骨架（1），用于将肼捕获在共晶材料（2）中。值得注意的是，与肼的 113.5 °C 相比，共晶 (2) 的蒸发温度显着提高到 166 °C。此外，它在高氯酸铵基固体推进剂配方中表现出非常高的比冲（265.8 s），使其成为下一代环境可持续推进剂的潜在燃烧速率调节剂。

更新日期：2024-05-14

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