| 聚氯乙烯的热解特性和热解动力学的研究 |
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| 引用本文： | 师奇松,陈喆.聚氯乙烯的热解特性和热解动力学的研究[J].北京石油化工学院学报,2009,17(1):1-4. |
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| 作者姓名： | 师奇松 陈喆 |
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| 作者单位： | 北京石油化工学院材料科学与工程系,北京,102617;北京石油化工学院材料科学与工程系,北京,102617 |
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| 摘 要： | 为了研究聚氯乙烯废弃物的热解特性，利用热重分析仪（TGA），在氮气气氛下进行热重实验。在不同流量、不同升温速率下对PVC进行热解，通过热重曲线和热重微分曲线分析其稳定性，建立反应动力学方程，揭示了PVC的热稳定性、热解反应级数和热解活化能。研究结果表明：热解过程可分为3个阶段，250~350℃为第一失重阶段，350-450℃为稳定阶段，450～600℃为第二失重阶段。PVC的热解为一级反应过程，两个失重阶段的热解活化能受氮气流量、升温速率影响稍有差异。
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| 关 键 词： | 聚氯乙烯 热失重 动力学 |
Pyrolysis Characteristics of Poly(vinyl chloride) and its Kinetics Analysis Study on the Characteristics and the Kinetics of Pyrolysis of Polyvinyl Chloride |
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| Shi Qisong,Chen Zhe.Pyrolysis Characteristics of Poly(vinyl chloride) and its Kinetics Analysis Study on the Characteristics and the Kinetics of Pyrolysis of Polyvinyl Chloride[J].Journal of Beijing Institute of Petro-Chemical Technology,2009,17(1):1-4. |
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| Authors: | Shi Qisong Chen Zhe |
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| Affiliation: | Shi Qisong Chen Zhe(Department of Materials Science , Engineering,Beijing Institute of Petro-chemical Technology,Beijing 102617) |
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| Abstract: | To obtain the pyrolysis characteristics of waste compositions containing PVC(polyvinyl chloride),thermogravimetric study of PVC was carried out using the thermogravimetric analyser(TGA) with N2 atmosphere.With different heating rates and gas flow,the pyrolysis process of PVC was studied in N2 through TG and DTG spectra.The pyrolysis kinetic equation was founded,and the order and the activation energy of the pyrolysis process were obtained.The results showed that PVC degradation process can be divided into t... |
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| Keywords: | PVC thermogravimetric analysis kinetics |
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