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[1]王飞,刘惠平,刘章蕊,等.微量Fe3+对过氧化氢异丙苯热稳定性影响研究[J].中国安全生产科学技术,2019,15(3):109-113.[doi:10.11731/j.issn.1673-193x.2019.03.018]
　WANG Fei,LIU Huiping,LIU Zhangrui,et al.Study on influence of trace Fe3+ on thermal stability of cumene hydroperxide[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(3):109-113.[doi:10.11731/j.issn.1673-193x.2019.03.018]
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微量Fe3+对过氧化氢异丙苯热稳定性影响研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年3期
页码:
109-113
栏目:
职业安全卫生管理与技术
出版日期:
2019-03-31

文章信息/Info

Title:
Study on influence of trace Fe3+ on thermal stability of cumene hydroperxide
文章编号:
1673-193X(2019)-03-0109-05
作者:
王飞; 刘惠平; 刘章蕊; 王萌; 朱鹏; 张小良
（上海应用技术大学 城市建设与安全工程学院，上海 201418）
Author(s):
WANG Fei; LIU Huiping; LIU Zhangrui; WANG Meng; ZHU Peng; ZHANG Xiaoliang
（School of Urban Construction and Safety Engineering，Shanghai University of Applied Technology，Shanghai 201418，China）
关键词:
铁离子; 过氧化氢异丙苯; 绝热加速量热仪; 热稳定性; 热惰性因子
Keywords:
iron ion;  cumene hydroperoxide;  adiabatic accelerating rate calorimeter;  thermal stability;  thermal inertia factor
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2019.03.018
文献标志码:
A
摘要:
为研究微量铁离子（Fe3+）对过氧化氢异丙苯（CHP）热稳定性的影响，采用绝热加速量热仪（ARC）对CHP及含4种不同浓度Fe3+的CHP进行了绝热分解测试，测试分析了5个样品在绝热条件下的起始分解温度（To,s）、绝热温升（ΔTad,s）、最大温升速率（mm,s）和最大温升速率到达时间（θm,s）等参数，并利用热惰性因子Φ对实验数据进行了修正。研究结果表明：在绝热条件下，微量Fe3+的存在对CHP分解的To,s，ΔTad,s，mm,s和θm,s均有较大影响，且浓度不同对各参数的影响不一样；Fe3+的存在增加了CHP分解的剧烈程度，且浓度越大，CHP分解越剧烈，其热分解失控可能性越大，危险性越高；储存运输CHP时要避免与高浓度的Fe3+接触。研究结果可为CHP的热稳定性安全提供一定参考。
Abstract:
In order to study the influence of trace iron ion (Fe3+) on the thermal stability of cumene hydroperoxide (CHP), the adiabatic decomposition tests were carried out on CHP and CHP containing Fe3+ with four different concentrations by using the adiabatic accelerating rate calorimeter. The parameters including the initial decomposition temperature (To,s), the adiabatic temperature rise (ΔTad,s), the maximum temperature rise rate (mm,s) and the time reaching the maximum temperature rise rate (θm,s) of five samples under the adiabatic conditions were studied, and the experimental data were corrected by using the thermal inertia factor (Φ). The results showed that under the adiabatic conditions, the existence of trace Fe3+ had great influence on To,s, ΔTad,s, mm,s and θm,s of CHP decomposition, and the influence on each parameter varied with different concentrations of Fe3+. The existence of Fe3+ increased the severity of CHP decomposition, the greater the concentration, the more severe the CHP decomposition, the greater the possibility of out of control of thermal decomposition, and the higher the risk. The contacting to Fe3+ with high concentration should be avoided when storing and transporting CHP. The results can provide a certain reference for the thermal stability safety of CHP.

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备注/Memo

备注/Memo:

收稿日期： 2018-11-14
作者简介： 王飞，硕士研究生，主要研究方向为化学物质及化工工艺安全。
通信作者： 刘惠平，博士，副教授，主要研究方向为化工安全、防火阻燃材料及新型灭火剂。
更新日期/Last Update: 2019-04-15