3,6-双(1-氢-1,2,3,4-四唑-5-氨基)-1,2,4,5-四嗪银盐的热分解反应动力学及热安全性

应用化学, 2013, 30(9): 1036-1041. doi: 10.3724/SP.J.1095.2013.20555

3,6-双(1-氢-1,2,3,4-四唑-5-氨基)-1,2,4,5-四嗪银盐的热分解反应动力学及热安全性

任莹辉 ^1, , 李文 ^2, , 张鲜波 ^3, , 赵凤起 ^4, , 仪建华 ^5, , 马海霞 ^6, , 徐抗震 ^7, , 宋纪蓉 ^8,

1.西安近代化学研究所,燃烧与爆炸技术重点实验室西安710065;西北大学化工学院,陕西省物理无机化学重点实验室西安710069

2.西北大学化工学院,陕西省物理无机化学重点实验室西安,710069

3.西北大学化工学院,陕西省物理无机化学重点实验室西安,710069

4.西安近代化学研究所,燃烧与爆炸技术重点实验室西安,710065

5.西安近代化学研究所,燃烧与爆炸技术重点实验室西安,710065

6.西北大学化工学院,陕西省物理无机化学重点实验室西安,710069

7.西北大学化工学院,陕西省物理无机化学重点实验室西安,710069

8.西北大学化工学院,陕西省物理无机化学重点实验室西安710069;故宫博物院文保科技部北京100009

基金项目: 总装预研基金(9140A28020111BQ3401) 国家自然科学基金青年基金(21101127) 陕西省自然科学基金(2011JQ2002) 中国博士后科学基金(20110491676)

关键词：双(氢四唑氨基)四嗪 , 银盐 , 热分解动力学 , 热安全性

Nonisothermal Decomposition Kinetics and Thermal Safety of Ag2(BTATz) ·2H2O (BTATz =3,6-Bis(1-H-1,2,3,4-tetrazole-5-amino)-1,2,4,5-tetrazine)

Keywords： bis (H-tetrazole-amino)-tetrazine , silver salt , thermal decomposition reaction kinetics , thermal safety

利用两步合成法,得到标题化合物3,6-双(1-氢-1,2,3,4-四唑-5-氨基)-1,2,4,5-四嗪(BTATz)银盐(Ag2 (BTATz)·2H2O),并用元素分析、X荧光和红外光谱分析对其进行了结构表征.采用DSC和TG-DTG技术对化合物进行热分解行为及非等温热分解动力学研究.结果表明,其热分解过程是由1个吸热阶段和2个放热阶段组成,主放热阶段的非等温热分解反应动力学方程为:dα/dt=1014.29×{3(1-α)[-ln(1-α)]1/4/4}exp(-2.10×104/T).计算得到化合物的自加速分解温度(TSADT)、热爆炸临界温度(Tb)、热点火温度(TTIT)和绝热至爆时间(tTIAD)分别为517.10 K、580.12 K、531.00 K和90.32 s,以此来评价其热安全性.

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