含能燃速抑制剂的制备及其对AP分解的负催化效应

张雪雪; 薛智华; 聂洪奇; 严启龙

doi:10.12382/bgxb.2022.0518

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含能燃速抑制剂的制备及其对AP分解的负催化效应

更新时间：2025-08-18

- 含能燃速抑制剂的制备及其对AP分解的负催化效应
- Preparation of Energetic Burning Rate Inhibitor and Its Negative Catalytic Effect on AP Decomposition
- 兵工学报 2024年45卷第1期页码：15-25
- 作者机构：
  
  西北工业大学固体推进全国重点实验室, 陕西西安 710072
- 作者简介：
  
  * 邮箱: qilongyan@nwpu.edu.cn
- 基金信息：
  
  国家自然科学基金委员会-中国工程物理研究院联合项目(2030202);西北工业大学博士学位论文创新基金项目(CX2022004)
- DOI：10.12382/bgxb.2022.0518
  中图分类号：
- 收稿：2022-06-10，
  
  网络出版：2024-02-06，
  
  纸质出版：2024-01-30
- 稿件说明：
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张雪雪, 薛智华, 聂洪奇, 等. 含能燃速抑制剂的制备及其对AP分解的负催化效应[J]. 兵工学报, 2024,45(1):15-25.

Xuexue ZHANG, Zhihua XUE, Hongqi NIE, et al. Preparation of Energetic Burning Rate Inhibitor and Its Negative Catalytic Effect on AP Decomposition[J]. Acta Armamentarii, 2024, 45(1): 15-25.
张雪雪, 薛智华, 聂洪奇, 等. 含能燃速抑制剂的制备及其对AP分解的负催化效应[J]. 兵工学报, 2024,45(1):15-25. DOI： 10.12382/bgxb.2022.0518.

Xuexue ZHANG, Zhihua XUE, Hongqi NIE, et al. Preparation of Energetic Burning Rate Inhibitor and Its Negative Catalytic Effect on AP Decomposition[J]. Acta Armamentarii, 2024, 45(1): 15-25. DOI： 10.12382/bgxb.2022.0518.

摘要

燃速抑制剂作为固体推进剂的核心功能组分

在降低固体推进剂高压燃速方面起关键作用。精准设计具有降速效应的季铵与醛基结构

获得高氮三氨基胍乙二醛二维共聚物(Triaminoguaniding Glyoxal two dimensional Copolymer

TAGP)含能配体

并与碱土金属离子K

、Ba

和Ca

发生络合反应

制备系列新型含能燃速抑制剂(TAGP-M)。采用粉末衍射、X射线光电子能谱、扫描电镜/能谱和差示扫描量热/热重联用等技术分析其形貌、结构和热稳定性

并研究这些含能燃速抑制剂对高氯酸铵(Ammonium Perchlorate

AP)热分解的负催化作用。研究结果表明:TAGP-K对AP转晶抑制最为显著

使AP的转晶吸热峰温提高5.9℃、低温分解峰峰温升高28.7℃;添加10 wt%的TAGP-K

可使AP的最大热分解速率降低58%;TAGP-Ca燃速抑制剂可使AP的释能效应集中在高温分解过程

AP/TAGP-Ca混合体系的放热量比纯AP提高50%以上;TAGP-Ca和TAGP-Ba燃速抑制剂在抑制含AP分解的同时提高了其释能效率;TAGP-M燃速抑制剂在分解过程中释放NH

并与AP分解产物HClO

结合

形成更难分解的

$\mathrm{M}\left(\mathrm{ClO}_{4}^{-}\right)_{n}$

;通过碱土离子与

$\mathrm{ClO}_{4}^{-}$

离子强静电作用

抑制后者分解产生氧化性气氛

进而抑制AP高温放热反应过程。

Abstract

As the key functional component of solid propellant

the burning rate inhibitor plays an important role in regulating the burning rate of solid propellant. In this paper

the quaternary ammonium and aldehyde-based structures with combustion suppression effect are precisely designed and evaluated. The high nitrogen triaminoguanidine glyoxal two-dimensional copolymer(TAGP) is used as an energetic ligand. It is complexed with alkaline earth metal ions

such as K

and Ca

to prepare a series of novel energetic burning rate inhibitors(so called TAGP-M). The morphologies

structure and thermal stability of the as-prepared compoundsare characterized by X-ray diffraction

X-ray photoelectron spectroscopy

scanning electron microscope/energy dispersive spectrometer

and differential scanning calorimetry and thermogravimetric analysis techniques. The negative catalytic effect of energetic burning rate inhibitor on ammonium perchlorate (AP) decomposition is analyzed. It shows that TAGP-K has obvious inhibitory effect on the crystal transition of AP. In presence of TAGP-K

the endothermic peak temperature of AP crystal transition is increased by 5.9℃

whereas the first peak decomposition temperature is increased by 28.7℃. More importantly

the use of 10 wt% TAGP-K could reduce the maximum thermal decomposition rate of AP by 58%. The corresponding energy release of AP is focused to high-temperature decomposition(HTD) process. The heat release of AP/TAGP-Ca is more than 50% higher than that of pure AP during HTD process. It shows that TAGP-Ca and TAGP-Ba increase the energy release efficiency of AP while inhibitingits decomposition. The TAGP-M burning rate inhibitors release NH

during the decomposition process and combine with HClO

(AP decomposition product) to form

$\mathrm{M}\left(\mathrm{ClO}_{4}^{-}\right)_{n}$

which is more difficult to decompose.The HTD process of AP is inhibited by the strong electrostatic interaction between alkaline earth metal ions and

$\mathrm{ClO}_{4}^{-}$

which inhibits the decomposition of

$\mathrm{ClO}_{4}^{-}$

to generate an oxidizing atmosphere and prevent theoxidative exotherm of the adsorbed NH

关键词

Keywords

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