Hermetic Thermal Behavior of 3,4-Diaminofurazan (DAF)

被引：8

作者：

Li, Yanfeng ^{[1
]}

Wang, Xiaofeng ^{[2
]}

Xu, Kangzhen ^{[1
]}

Wang, Bozhou ^{[3
]}

Song, Jirong ^{[1
]}

Zhao, Fengqi ^{[3
]}

机构：

[1] Northwest Univ, Sch Chem Engn, Xian 710069, Peoples R China

[2] Northwest Univ, Sch Informat & Technol, Xian 710069, Peoples R China

[3] Xian Modern Chem Res Inst Xian, Xian, Peoples R China

来源：

PROPELLANTS EXPLOSIVES PYROTECHNICS | 2016年 / 41卷 / 05期

基金：

中国国家自然科学基金;

关键词：

3; 4-Diaminofurazan (DAF); Furazan; Volatilization; Hermetic thermal behavior; Hermetic crucible; TIME-TO-EXPLOSION; ENERGETIC MATERIALS; HEAT CAPACITY; FURAZAN; BRIDGES; DENSITY; OXY; AZO;

D O I：

10.1002/prep.201500330

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Hermetic thermal behavior of 3,4-diaminofurazan (DAF) was studied by DSC method with special high-pressure hermetic crucibles. The complete exothermic decomposition process of DAF can be provided. The extrapolated onset temperature, peak temperature, and enthalpy of decomposition at a heating rate of 10Kmin(-1) are 238.7 degrees C, 253.0 degrees C, and -1986Jg(-1), respectively. Self-accelerating decomposition temperature and critical temperature of thermal explosion of DAF are 232.3 and 253.1 degrees C, respectively. Specific heat capacity of DAF was determined with a micro DSC method and the molar heat capacity is 140.78Jmol(-1)K(-1) at 298.15K. Adiabatic time-to-explosion of DAF is about 90s. The thermal stability of DAF is good.

引用

页码：888 / 892

页数：5

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