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首页> 外文会议>International Conference on Modification, Degradation and Stabilization of Polymers(MoDeSt 2002); 2002; Budapest; HU >Kinetics of Reactions of Coal with Polystyrene: TGA-DSC Approach
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Kinetics of Reactions of Coal with Polystyrene: TGA-DSC Approach

机译：煤与聚苯乙烯的反应动力学：TGA-DSC方法

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摘要

Kinetics of thermal reactions of coal with polystyrene by TGA and DSC methods was studied. In the range of about 350-550℃ a thermal degradation of coal proceeds, and gas, tar and coke are evolved. Simultaneously, decomposition of polystyrene occurs (360-470℃). Unsaturated products of polystyrene decomposition are hydrogenated by coal, because coal is a strong H-donor. Moreover, some aromatic products react with coal tar structures and new aromates are formed. The yield of tar from copyrolysis is then higher in comparison with pyrolysis of coal alone. Kinetic parameters of the process were evaluated and discussed.
机译：利用TGA和DSC方法研究了煤与聚苯乙烯的热反应动力学。在约350至550℃的温度范围内，煤会发生热降解，并生成气体，焦油和焦炭。同时，聚苯乙烯分解（360-470℃）。聚苯乙烯分解的不饱和产物会被煤加氢，因为煤是强氢供体。而且，一些芳族产物与煤焦油结构反应并形成新的香气。与单独的煤的热解相比，由共分解的焦油产率更高。评估和讨论了该过程的动力学参数。

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