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首页> 外文期刊>Journal of Applied Polymer Science >IN-LINE DIELECTRIC MONITORING OF MONOMER CONVERSION IN A BATCH POLYMERIZATION REACTOR
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IN-LINE DIELECTRIC MONITORING OF MONOMER CONVERSION IN A BATCH POLYMERIZATION REACTOR

机译：间歇聚合反应器中单体转化率的在线介电监测

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摘要

In-line monitoring of monomer conversion is studied using a low-frequency dielectric sensor during solution polymerization of methyl methacrylate in a laboratory-scale batch reactor. It has been found that the induction period due to the presence of an inhibitor can be determined by the dielectric sensor to detect the starting point of polymerization. The dielectric loss factor that changes with the progress of polymerization is empirically correlated with monomer conversion measured by the off-line gravimetric method at different temperatures and initiator concentrations. It is demonstrated that dielectrometry can be used as an in-line monitoring method in free-radical polymerization. (C) 1995 John Wiley and Sons, Inc. [References: 5]
机译：在实验室规模的间歇反应器中，在甲基丙烯酸甲酯的溶液聚合过程中，使用低频介电传感器研究了单体转化率的在线监测。已经发现，可以通过介电传感器来确定由于存在抑制剂而引起的诱导期，以检测聚合的起点。随聚合进度而变化的介电损耗因数与通过离线重量法在不同温度和引发剂浓度下测得的单体转化率在经验上相关。证明介电法可以用作自由基聚合反应中的在线监测方法。 （C）1995 John Wiley and Sons，Inc. [参考：5]

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