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首页> 外文期刊>Journal of Applied Polymer Science >A STUDY ON THE POLYMER LAYER-FORMING PHENOMENA IN A ROTATING DISK POLYCONDENSATION REACTOR
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A STUDY ON THE POLYMER LAYER-FORMING PHENOMENA IN A ROTATING DISK POLYCONDENSATION REACTOR

机译：旋转盘式缩聚反应器中聚合物层形成现象的研究

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摘要

An experimental study is reported on the measurement of polymer melt film thickness in a rotating disk polycondensation reactor. The layer thickness of molten poly(ethylene terephthalate) on a rotating disk was measured at 280 degrees C using an electrical, conductivity probe at different radial and angular positions. It was observed that the polymer film thickness was not uniform in both radial and angular positions, particularly for high molecular weight polymers. For the slowly rotating disk system employed in our experimental study, the disk rotational speed and gravity effects on the polymer-layer formation were found to be quite significant. The experimental results were used to develop an empirical correlation for the calculation of polymer film thickness and polymer melt holdup on a rotating disk. (C) 1995 John Wiley and Sons, Inc. [References: 12]
机译：报道了在旋转盘式缩聚反应器中测量聚合物熔体膜厚度的实验研究。使用电导率探针在不同的径向和角度位置在280摄氏度下测量了旋转盘上熔融聚对苯二甲酸乙二醇酯的层厚。观察到聚合物膜的厚度在径向和角向位置均不均匀，特别是对于高分子量聚合物而言。对于我们的实验研究中使用的缓慢旋转的磁盘系统，发现磁盘旋转速度和重力对聚合物层形成的影响非常显着。实验结果用于建立经验相关性，以计算旋转盘上的聚合物膜厚度和聚合物熔体固持率。 （C）1995 John Wiley and Sons，Inc. [参考：12]

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