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通过分子间相互作用提高推进剂的性能:以环氧烯为基础的MOF加载在酸纤维素中

Wenjia Li^1,2, Yuanqi Gan^1,2, Yu Li^1,2

¹School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China. dyj@njust.edu.cn.

Physical chemistry chemical physics : PCCP

|October 24, 2023

概括

一种新型的绿色环极-MOF (CD-MOF) 通过优化与纤维素的相互作用来提高推进剂性能. 这种材料还可以抑制火焰并吸收有害气体,为传统添加剂提供了优越的替代品.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
能量材料能量材料

背景情况:

金属有机框架 (MOFs) 为能量材料改造提供了机会.
MOFs的微孔结构和高性能是其关键优势.
传统的无机盐在推进剂应用中存在局限性.

研究的目的:

为了合成和表征一种新的绿色MOF,循环素-MOF (CD-MOF).
调查CD-MOF在提高推进剂性能方面的潜力.
评估CD-MOF的阻燃和气体吸收性能.

主要方法:

使用甲醇蒸汽扩散的CD-MOF的绿色合成.
模拟分子动力学以研究MOF-纤维素相互作用.
静态燃烧,热解试验和气体吸收分析.

主要成果:

在CD-MOF中,用酸纤维素 (NC) 证明了优化的分子间力.
在NC中加载CD-MOF导致了抗迁移和吸水的稳定结构.
在静态燃烧试验中观察到的高效的火焰和闪光抑制.
降解产品有效吸收了有害气体,如CO,NO,NO2和N2O.

结论:

与推进剂中的常规无机盐相比,CD-MOF提供了更高的性能.
该材料的独特特性源于其结构和与NC的相互作用.
作为绿色推进剂的组成部分,CD-MOF显示出显著的前景.

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