含能材料自催化分解特性的快速鉴别方法

平川; 甘强; 张蕊; 都振华; 冯长根

doi:10.12382/bgxb.2021.0592

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含能材料自催化分解特性的快速鉴别方法

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- 含能材料自催化分解特性的快速鉴别方法
- Rapid Identification of Autocatalysis Characteristics in Energetic Materials Decomposition Reactions
- 兵工学报 2023年44卷第2期页码：368-379
- 作者机构：
  
  1. 北京理工大学爆炸科学与技术国家重点实验室, 北京 100081
  2. 西安航天化学动力有限公司, 陕西西安 710025
  3. 陕西应用物理化学研究所应用物理化学重点实验室, 陕西西安 710061
- 作者简介：
  
  *邮箱: ganqiang@bit.edu.cn
- 基金信息：
  
  爆炸科学与技术国家重点实验室(北京理工大学)自主课题资助项目(QNKT20-04)
- DOI：10.12382/bgxb.2021.0592
  中图分类号：
- 收稿：2021-09-01，
  
  网络出版：2023-03-10，
  
  纸质出版：2023-02-28
- 稿件说明：
移动端阅览
平川, 甘强, 张蕊, 等. 含能材料自催化分解特性的快速鉴别方法[J]. 兵工学报, 2023,44(2):368-379.

Chuan PING, Qiang GAN, Rui ZHANG, et al. Rapid Identification of Autocatalysis Characteristics in Energetic Materials Decomposition Reactions[J]. Acta Armamentarii, 2023, 44(2): 368-379.
平川, 甘强, 张蕊, 等. 含能材料自催化分解特性的快速鉴别方法[J]. 兵工学报, 2023,44(2):368-379. DOI： 10.12382/bgxb.2021.0592.

Chuan PING, Qiang GAN, Rui ZHANG, et al. Rapid Identification of Autocatalysis Characteristics in Energetic Materials Decomposition Reactions[J]. Acta Armamentarii, 2023, 44(2): 368-379. DOI： 10.12382/bgxb.2021.0592.

摘要

含能材料的自催化特性是造成含能材料极具危险性的主要原因之一

常用的自催化反应鉴别方法是利用差示扫描量热仪(DSC)、微热量热仪(C80)进行的“等温法”试验

该方法温度选择较为困难

试验周期较长且具有一定的危险性

有必要寻找一种快捷安全的自催化反应鉴别方法。基于绝热量热试验

结合反应机理函数

提出可快速鉴别含能材料自催化分解特性的方法

并利用该方法测量5种样品(过氧化二叔丁基(DTBP)与甲苯混合溶液、六硝基茋-Ⅳ(HNS-Ⅳ)、双(5-硝基四唑)合钴(Ⅲ)(BNCP)、六硝基六氮杂异伍兹烷(CL-20)、羧甲基纤维素叠氮化铅(CMC-LA)的绝热热分解特性。测量和分析结果表明:DTBP与甲苯混合溶液的热分解符合

级反应规律

HNS-Ⅳ、BNCP、CL-20、CMC-LA的热分解符合自催化反应规律

自催化反应强度随热惯性的增加而降低;新方法不需要计算准确的反应动力学参数

在自催化反应进行的初期就能完成自催化特性的鉴别

减少了测量时间的同时大大降低了测量过程的危险性

可快速鉴别物质分解是否有自催化特性

并可准确表征反应的自催化特性强度。

Abstract

Autocatalysis is one of the major reasons that make energetic materials extremely dangerous. The commonly used methods for identifying autocatalytic reactions is the “isothermal methods” based on differential scanning calorimetry (DSC) and microcalorimetry (C80). However

for these methods

temperature selection is one difficult problem

and the test period is long with some danger. So it is necessary to find a fast and safe method for the identification of autocatalytic reactions. This study proposes a method to quickly identify the characteristics of autocatalytic reactions and determine the reaction strength based on adiabatic thermal tests combined with reaction mechanism functions

which is used to measure the adiabatic thermal decomposition characteristics of five samples (20% DTBP and toluene mixed solution

HNS-IV

BNCP

CL-20

and CMC-LA). This method does not require the calculation of accurate reaction kinetic parameters

can identify the autocatalytic characteristics at the early stage of the autocatalytic reactions which reduces the measurement time and greatly reduces the risk in the process

and can quickly identify whether autocatalysis is involved in the decomposition of the substance and accurately characterize the autocatalytic intensity of the reactions.

关键词

Keywords

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刘剑超 , 姜雨彤 , 张同来 , 等 . 动态真空安定性方法评估 LA和CMC-LA热安定性 [J ] . 含能材料 , 2015 , 23 ( 10 ): 1020 - 1023 .

LIU J C , JIANG Y T , ZHANG T L , et al. Evaluation of the thermal stability of LA and CMC-LA by dynamic vacuum stability test method [J ] . Chinses Journal of Energetic Materials , 2015 , 23 ( 10 ): 1020 - 1023 . (in Chinese)

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