|本期目录/Table of Contents|

[1]慕晓刚,张岳,张有智,等.甲基肼苦味酸盐的合成与性能[J].火炸药学报,2019,42(2):141-144.[doi:10.14077/j.issn.1007-7812.2019.02.007]
 MU Xiao-gang,ZHANG Yue,ZHANG You-zhi,et al.Synthesis and Properties of Methylhydrazine Picrate[J].,2019,42(2):141-144.[doi:10.14077/j.issn.1007-7812.2019.02.007]
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甲基肼苦味酸盐的合成与性能()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
42卷
期数:
2019年第2期
页码:
141-144
栏目:
出版日期:
2019-04-30

文章信息/Info

Title:
Synthesis and Properties of Methylhydrazine Picrate
作者:
慕晓刚 张岳 张有智 刘祥萱
火箭军工程大学, 陕西 西安 710025
Author(s):
MU Xiao-gang ZHANG Yue ZHANG You-zhi LIU Xiang-xuan
Rocket Force University of Engineering, Xi’an 710025, China
关键词:
有机化学甲基肼苦味酸盐苦味酸热分解动力学热爆炸临界温度液体推进剂
Keywords:
organic chemistrymethyl hydrazine picratepicric acidthermal decomposition kineticscritical temperature of thermal explosionliquid propellant
分类号:
TJ55;O62
DOI:
10.14077/j.issn.1007-7812.2019.02.007
文献标志码:
-
摘要:
将苦味酸与液体推进剂甲基肼进行反应,合成了甲基肼苦味酸盐,通过元素分析、红外光谱分析、核磁共振对其结构进行了表征,利用TG-DTG和DSC对其热分解性能进行了分析;利用Kissinger法研究了甲基肼苦味酸盐的热分解并计算了其热分解活化能,通过非等温DSC曲线的特征数据计算了其热爆炸临界温度。结果表明,甲基肼苦味酸盐热分解主要发生在170.8~225.3℃之间,其分解过程为放热反应,熔点约为120℃,其非等温动力学方程式为ln(β/Tp2)=-15.393(1/Tp)+23.288,热分解活化能E为127.98 kJ/mol,指前因子ln(A/s-1)为26.04,热爆炸临界温度Tb为171.33℃;甲基肼苦味酸盐具有合成工艺简单、反应快速及热稳定性良好等特点,可用于甲基肼的报废处理及再利用。
Abstract:
Methyl hydrazine (MMH) picrate was synthesized by the reaction of picric acid with liquid propellant MMH. Its structure was characterized by elemental analysis, IR spectroscopy and NMR. Its thermal decomposition performance was analyzed by TG-DTG and DSC. The thermal decomposition of MMH picrate was studied and the activation energy of thermal decomposition was calculated by Kissinger method. The critical temperature of thermal explosion was calculated by the characteristic data of non-isothermal DSC curves. The results show that the thermal decomposition of MMH picrate mainly occurs between 170.8 and 225.3℃. Its decomposition process is exothermic reaction, the melting point is about 120℃, and the non-isothermal kinetic equation is ln(β/Tp2)=-15.393(1/Tp)+23.288. The activation energy E of thermal decomposition is 127.98 kJ/mol, the pre-exponential factor in ln (A/s-1) is 26.04. The critical temperature of thermal explosion Tb is 171.33℃. MMH picrate has the characteristics of simple synthesis process, rapid reaction and good thermal stability, which can be used for the waste treatment and reuse of MMH.

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备注/Memo

备注/Memo:
收稿日期:2018-6-20;改回日期:2018-8-21。
基金项目:国家自然科学基金(No.61603398);陕西省自然科学基础研究计划(No.2018JM6007)
作者简介:慕晓刚(1981-),男,讲师,从事特种能源理论与技术研究。E-mail:muxg2001@163.com
更新日期/Last Update: 1900-01-01