| 乳化炸药基质含水量对其热分解的影响及动力学参数的计算 |
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| 引用本文： | 马志钢,周易坤,王瑾. 乳化炸药基质含水量对其热分解的影响及动力学参数的计算[J]. 火炸药学报, 2009, 32(1) |
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| 作者姓名： | 马志钢 周易坤 王瑾 |
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| 作者单位： | 安徽理工大学化学工程学院,安徽,淮南,232001;煤科总院爆破技术研究所,安徽,淮北,235039 |
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| 摘 要： | 为研究乳化炸药基质含水量对其热分解特性和化学动力学参数的影响,制备了含水量分别为3.46%和12.27%的乳化基质.用DSC-TG联用仪得到两试样在不同加热速率下的DSC、TG-DTG图谱.通过对比外推起始分解温度、组成及图谱,研究了水含量对其热稳定性和热分解特性的影响.结果表明,无论含水率多少,在被加热初期,基质失重缓慢平稳;失重的主要原因是失水,这些水主要是游离于基质中的水和被加热时少量乳化微粒破乳后释放的水;低含水量基质外推起始分解温度明显低于高含水量.分解开始后,含水量高的乳化炸药基质放热速度和失重速度更快.计算了两种乳化炸药的化学动力学参数.
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| 关 键 词： | 分析化学 乳化炸药基质 含水量 热分解 反应动力学 |
Influence of Water Content in Emulsion Explosives Basic Substance on Their Thermal Decomposition and Calculation of Kinetic Parameters |
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| MA Zhi-gang,ZHOU yi-kun,WANG Jin. Influence of Water Content in Emulsion Explosives Basic Substance on Their Thermal Decomposition and Calculation of Kinetic Parameters[J]. Chinese Journal of Explosives & Propellants, 2009, 32(1) |
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| Authors: | MA Zhi-gang ZHOU yi-kun WANG Jin |
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| Affiliation: | MA Zhi-gang1,ZHOU yi-kun2,WANG Jin1(1.School of Chemical Engineering,Anhui University of Science , Technology,Huainan,Anhui Province,232001,China,2.Blasting Technology Research Institute,Academy of Sciences of Coal Mining) |
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| Abstract: | Two emulsion explosives basic substances with 3.46% and 12.27% water were prepared in order to study the influence of water content in emulsion explosives basic substances on the characteristics of thermal decomposition and chemical kinetic parameters.DSC and TG-DTG curves of the two samples under different heating rates were obtained by DSC-TG.Through comparing the extrapolated initial temperature,composition of emulsion basic substances and their curves,the influence of water content on the thermal stabil... |
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| Keywords: | analytical chemistry emulsion explosives basic substances water content thermal decomposition reaction kinetics |
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