ANPyO/NBR的热分解动力学及热安全性研究

doi:10.16265/j.cnki.issn1003-3033.2019.05.011

中国安全科学学报 ›› 2019, Vol. 29 ›› Issue (5): 62-66.doi: 10.16265/j.cnki.issn1003-3033.2019.05.011

ANPyO/NBR的热分解动力学及热安全性研究

王洋, 何志伟副教授, 郭子如教授, 程奥, 孟祥武, 张洪

安徽理工大学化学工程学院,安徽淮南 232000

收稿日期:2019-02-28 修回日期:2019-04-23
作者简介:王洋(1994—),男,安徽安庆人,硕士研究生,主要研究方向为含能材料配方性能。E-mail:1621735479@qq.com。
基金资助:
国家自然科学基金资助(51404006);国家自然科学基金-煤炭联合基金重点项目资助(51134012);中国博士后科学基金面上项目资助(2013M541814)。

Thermal decomposition kinetics and thermal safety of ANPyO/NBR

WANG Yang, HE Zhiwei, GUO Ziru, CHENG Ao, MENG Xiangwu, ZHANG Hong

School of Chemical Engineering, Anhui University of Science and Technology, Huainan Anhui 232000, China

Received:2019-02-28 Revised:2019-04-23

摘要/Abstract

摘要： 为研究2,6-二氨基-3,5-二硝基吡啶-1-氧化物(ANPyO)与丁腈橡胶(NBR)造型粉的热安全性,通过水悬浮溶解蒸馏法将ANPyO制成ANPyO/NBR造型粉,运用热重和差示扫描量热法(TG-DSC)分析仪研究ANPyO/NBR的热分解反应行为,采用Kissinger法、Ozawa法和多种积分法计算热分解动力学参数,得到ANPyO/NBR自加速分解温度、热点火温度、热爆炸临界温度,并计算获得半径为1m的球形ANPyO/NBR样品在不同超临界环境温度下的延滞期。结果表明:造型粉ANPyO/NBR有良好的耐热性能,热安全性较高;环境温度对ANPyO/NBR造型粉热安全性起着决定性作用。

关键词: 2,6-二氨基-3,5-二硝基吡啶-1-氧化物(ANPyO), 丁腈橡胶(NBR), 热安全性, 环境温度, 热爆炸延滞期

Abstract: In order to study the thermal safety of ANPyO and NBR moulding powder, the ANPyO was improved moldability with NBR by means of the solution-water suspending-distillation method and its thermal behavior was studied by Thermogravimetric-Differential Scanning Calorimeter(TG-DSC)thermal analyzer. The thermal decomposition activation energy and the pre-exponential factor were calculated by Kissinger method, Ozawa method and various integral methods. And the self-accelerating decomposition temperature, the thermal ignition temperature, and the critical temperature of thermal explosion of ANPyO/NBR were calculated. Then the time to ignition of spherical ANPyO/NBR samples with radius of 1m at different supercritical ambient temperatures was calculated. The results show that the moulding powder ANPyO/NBR has good heat resistance and thermal safety performance, and that the thermal safety of ANPyO/NBR is decided by the ambient temperature.

Key words: 2,6-diamino-3,5-dinitropyridine-1-oxide (ANPyO), nitrile butadiene rubber (NBR), thermal safety, ambient temperature, time to ignition

中图分类号:

X937

王洋, 何志伟, 郭子如, 程奥, 孟祥武, 张洪. ANPyO/NBR的热分解动力学及热安全性研究[J]. 中国安全科学学报, 2019, 29(5): 62-66.

WANG Yang, HE Zhiwei, GUO Ziru, CHENG Ao, MENG Xiangwu, ZHANG Hong. Thermal decomposition kinetics and thermal safety of ANPyO/NBR[J]. China Safety Science Journal, 2019, 29(5): 62-66.

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ANPyO/NBR的热分解动力学及热安全性研究

Thermal decomposition kinetics and thermal safety of ANPyO/NBR

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