The Determination of Rheological Behavior of Polypropylene Slurry and its Correlation with Power Required for Agitation

Tang Furui; Weng Zhixue and Gu PeiyunThe Department of Chemical Engineering; Chekiang University

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The Determination of Rheological Behavior of Polypropylene Slurry and its Correlation with Power Required for Agitation

更新时间：2025-12-16

- The Determination of Rheological Behavior of Polypropylene Slurry and its Correlation with Power Required for Agitation
- CIESC Journal Issue 1, (1981)
- 作者机构：
  
  浙江大学高分子化工教研组,浙江大学高分子化工教研组,浙江大学高分子化工教研组
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 1981，
  
  Published：25 March 1981
- 稿件说明：
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Tang Furui, Weng Zhixue and Gu PeiyunThe Department of Chemical Engineering, Chekiang University. The Determination of Rheological Behavior of Polypropylene Slurry and its Correlation with Power Required for Agitation[J]. CIESC Journal, 1981, (1).
DOI：

Tang Furui, Weng Zhixue and Gu PeiyunThe Department of Chemical Engineering, Chekiang University. The Determination of Rheological Behavior of Polypropylene Slurry and its Correlation with Power Required for Agitation[J]. CIESC Journal, 1981, (1). DOI：

摘要

粗分散的聚丙烯的淤浆液

由于动力上不稳定

特别是粘度测定中出现“壁效应”

是无法用一般粘度计来测定其流变特性的。作者应用Brabender型粘度计定性地确定了聚丙烯淤浆液属于典型的宾汉型流体

然后利用化工上常用的螺带搅拌槽探讨了宾汉流体的搅拌功率准数与雷诺数的关系

求得聚丙烯淤浆液塑性粘度值和屈服值

为丙烯液相本体聚合过程的传热、混合、搅拌等方面提供了基础数据。

Abstract

The rheological behavior of slurry of coarse polypropylene particles can not be determined by means of ordinary viscometers due to its kinematic unstability and "the wall effect" occurred in the measurement of viscosity. After ascertaining the slurry of polypropylene to be Bingham liquid by using Brabender viscometer the workers determined the plastic viscosity and yield value from the correlation between agitation power number and Reynolds number of Bingham liquid in the chemical vessel with ribbon agitator. As a result

the basic data of heat transfer

mixing and agitation in the liquid bulk polymerization of propylene were provided.

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