KDNBF 形貌控制及其对热分解行为和感度的影响

引用本文: 冯金玲, 张建国, 张同来, 李志敏, 杨利, 王绍宗. KDNBF 形貌控制及其对热分解行为和感度的影响[J]. 物理化学学报, 2010, 26(10): 2613-2618. doi: 10.3866/PKU.WHXB20100950 shu

Citation: FENG Jin-Ling, ZHANG Jian-Guo, ZHANG Tong-Lai, LI Zhi-Min, YANG Li, WANG Shao-Zong. Morphology Control and Its Influence on the DecompositionBehavior and Sensitivity of KDNBF[J]. Acta Physico-Chimica Sinica, 2010, 26(10): 2613-2618. doi: 10.3866/PKU.WHXB20100950 shu

KDNBF 形貌控制及其对热分解行为和感度的影响

冯金玲 ^1, ,
张建国 ^1, ,
张同来 ^1, ,
李志敏 ^1, ,
杨利 ^1, ,
王绍宗 ^2,

基金项目:
国家自然科学基金(20471008) (20471008)

教育部新世纪优秀人才支持计划(NCET-09-0051)资助项目 (NCET-09-0051)

摘要:

通过7-羟基-4,6 -二硝基-5,7 -二氢苯并呋咱(DNBF) 的钠盐与硫酸钾在水溶液中反应, 制备得到DNBF 的钾盐(KDNBF). 在制备过程中加入不同表面活性剂, 得到了不同晶形的KDNBF 样品. 运用X 射线粉末衍射分析了单种晶形控制剂对样品晶形的影响. 采用差示扫描量热(DSC) 和热重(TG) 分析技术研究了不同晶形样品的热分解特性, 利用Kissinger 方法和Ozawa-Doyle 方法研究了样品第一放热分解峰的分解动力学过程. 结果表明球形样品与其它晶形的样品相比, 具有较低的分解温度、较高的活化能; 同时发现, 球形样品具有较高的摩擦和撞击感度与较低的火焰感度.

关键词:

English

Morphology Control and Its Influence on the DecompositionBehavior and Sensitivity of KDNBF

1.
1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China;
2. Academy of Machinery Science&Technology, Beijing 100083, P. R. China
Received Date: 12 March 2010
Available Online: 27 September 2010
Fund Project:
国家自然科学基金(20471008)

教育部新世纪优秀人才支持计划(NCET-09-0051)资助项目

Abstract:

The potassium salt of 7-hydroxy-4,6-dinitro-5,7-dihydrobenzofuroxanide (KDNBF) was prepared by a reaction of the sodium salt of DNBF with potassium sulfate in aqueous solution. Samples of KDNBF with different morphologies were obtained by adding various surfactants. The effect of a single surfactant on the sample morphology was determined withpowder X-ray diffraction (XRD) data. The thermal decomposition behaviors of KDNBF with different shapes were studied using differential scanning calorimetry(DSC) and thermogravimetry(TG) analyses. The kinetic parameters of the exothermic processes were studied by applying the Kissinger 's and Ozawa-Doyle 's methods. The results show that the spherical sample has a lower decomposition temperature and higher reaction activation energy than the other forms of the sample. Furthermore, impact sensitivity, flame sensitivity, and friction sensitivity tests indicated that the spherical KDNBF sample has stronger friction and impact sensitivities and weaker flame sensitivity.

Key words:

Thermal behavior
/ Potassium salt of 7-hydroxy-4,6-dinitro-5,7-dihydrobenzo-furoxanide
/ Morphology
/ Sensitivity
/ Surfactant

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沈阳化工大学材料科学与工程学院沈阳 110142

KDNBF 形貌控制及其对热分解行为和感度的影响

English

Morphology Control and Its Influence on the DecompositionBehavior and Sensitivity of KDNBF

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

KDNBF 形貌控制及其对热分解行为和感度的影响

English

Morphology Control and Its Influence on the DecompositionBehavior and Sensitivity of KDNBF

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

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