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钴基配合物催化高氯酸铵热分解行为
周鹏, 张思巍, 任卓群, 唐晓林, 张宽, 张依福, 黄驰
PDF(1169 KB)
PDF(1169 KB)
钴基配合物催化高氯酸铵热分解行为
Thermal decomposition behavior of ammonium perchlorate catalyzed by cobalt-based complexes
通过添加燃速催化剂可以影响氧化剂的分解进而有效调控固体推进剂的燃速。MOFs因其在催化高氯酸铵(ammonium perchlorate,AP)热分解中的良好特性开始崭露头角,现有研究更多集中在金属中心的改变,并未讨论配体对催化过程的影响。本工作通过使用3种不同的配体(2-甲基咪唑,对苯二甲酸和1,2,4,5-苯四胺)制备了3类Co基配合物(Co-CP)催化剂,分别讨论了对AP热分解行为的影响。结果表明,由于配体的差异导致3种Co-CP作用在AP的分解行为存在显著差别。Co-ZIF可以显著降低AP分解温度的同时提升体系放热;Co-BDC由于相对较高的热稳定性影响了催化AP热分解效果;Co-BTA可以通过配体分解释放NH3导致AP的低温分解的延后。通过热重-红外联用(TG-IR)测试捕获了反应过程中的气相产物,进一步探索并讨论了不同Co-CP催化AP分解的可能机理。该研究提供了一种金属配合物类燃速催化剂的设计思路。
The addition of a burning rate catalyst can affect the decomposition of oxidants and effectively regulate the burning rate of solid propellants. MOFs have aroused attentions due to their excellent properties in catalyzing the thermal decomposition of ammonium perchlorate (AP), and existing research has mainly focused on changes in metal centers, without discussing the influence of ligands on the catalytic process. We prepare three types of Co-based complexes (Co-CP) catalysts using three different ligands (2-methylimidazole, terephthalic acid, and 1,2,4,5-phenylenetetramine) and discuss their effects on the thermal decomposition behavior of AP. The results indicate significant differences in the decomposition behavior of the three Co-CPs in AP due to differences in ligands. Co-ZIF can significantly reduce the decomposition temperature of AP while enhancing the heat release of the system. The relatively high thermal stability of Co-BDC affects the catalytic effect of AP thermal decomposition. Co-BTA can delay the low-temperature decomposition of AP by releasing NH3 through ligand decomposition. The gas-phase products during the reaction process are captured through thermogravimetric infrared spectroscopy (TG-IR) testing, and the possible mechanisms of AP decomposition catalyzed by different Co-CPs are further explored and discussed. This study provides a design approach for a metal complex-based combustion rate catalyst.
固体推进剂 / 高氯酸铵 / 燃烧催化剂 / MOF / 热分解
solid propellant / ammonium perchlorate / combustion catalyst / MOF / thermal decomposition
TB34 / O643
| [1] |
|
| [2] |
|
| [3] |
|
| [4] |
|
| [5] |
|
| [6] |
|
| [7] |
|
| [8] |
|
| [9] |
|
| [10] |
|
| [11] |
|
| [12] |
|
| [13] |
|
| [14] |
|
| [15] |
|
| [16] |
|
| [17] |
|
| [18] |
曾凡达, 李纲. 花状CdO微球的制备及其对高氯酸铵热分解的催化性能[J]. 材料工程, 2020,48(6):91-97.
|
| [19] |
|
| [20] |
李思骏, 邵兰兴, 冯丽, 等. 二维Ce-MOFs纳米片的合成及可见光介导脱羧氧化性能[J]. 材料工程, 2022,50(9):89-96.
|
| [21] |
霍晓文, 于守武, 肖淑娟, 等. 金属有机框架材料在吸附分离领域的研究进展[J]. 材料工程, 2021,49(7):10-20.
|
| [22] |
田甜. Ag/ZnO复合材料制备及其对高氯酸铵热分解催化性能研究[D].哈尔滨:哈尔滨工业大学, 2017.
|
| [23] |
王爽. MOFs基复合粒子的构筑及其对AP热分解催化研究[D]. 太原:中北大学, 2020.
|
| [24] |
李丽, 柯香, 安亭, 等. 多孔核壳结构Ni@C纳米棒的制备及其对高氯酸铵热分解催化性能的影响[J]. 含能材料, 2019,27(10):867-874.
|
| [25] |
李海涛, 徐爽, 宋柳芳, 等. 纳米ZnO立方体催化AP热分解及其在HTPE推进剂中的应用[J]. 火炸药学报, 2021,44(1):89-95.
|
| [26] |
李丹扬, 曾大文, 李海涛. AP/Co-MOF核壳型纳米复合材料对AP热分解的自催化性能[J]. 化学与生物工程, 2016(7):15-18.
|
| [27] |
|
| [28] |
邹雷, 刘国强, 江苗苗, 等. ZIF-67衍生Co/NC多孔碳材料的改性及其电催化水氧化性能[J]. 化工学报, 2020,71(6):2821-2829.
|
| [29] |
|
| [30] |
王建国, 任硕, 邵明虎, 等. 不同形貌Co3O4制备及对高氯酸铵催化性能研究[J]. 长春师范大学学报, 2023,42(12):87-92.
|
| [31] |
陈永, 赵凤起, 李辉, 等. 固体推进剂降速剂研究现状及发展趋势[J]. 火炸药学报, 2021,44(5):567-577.
|
/
| 〈 |
|
〉 |