Research on Pressure-induced Melt Removal Melting Process in Vane Extruder

Gui-zhen ZHANG; Huan-yu LIU; Jia-jia CHEN; Xiao-chun YIN; Jin-ping QU

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Research on Pressure-induced Melt Removal Melting Process in Vane Extruder

更新时间：2022-09-18

- Research on Pressure-induced Melt Removal Melting Process in Vane Extruder
- Polymer Bulletin Vol. 26, Issue 9, Pages: 148-156(2013)
- 作者机构：
  
  华南理工大学聚合物新型成型装备国家工程研究中心，聚合物成型加工工程教育部重点实验室，广州　510640
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013-09，
  
  Received：31 May 2013，
  
  Revised：17 June 2013，
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Gui-zhen ZHANG, Huan-yu LIU, Jia-jia CHEN, Xiao-chun YIN, Jin-ping QU. Research on Pressure-induced Melt Removal Melting Process in Vane Extruder. [J]. Polymer Bulletin 26(9):148-156(2013)
DOI：

Gui-zhen ZHANG, Huan-yu LIU, Jia-jia CHEN, Xiao-chun YIN, Jin-ping QU. Research on Pressure-induced Melt Removal Melting Process in Vane Extruder. [J]. Polymer Bulletin 26(9):148-156(2013) DOI：

摘要

通过研究叶片挤出机中叶片塑化输运单元的聚合物熔融过程

建立叶片挤出机中压力诱导熔体迁移熔融的物理模型和数学模型

得到了固体输送压力和压力诱导熔体迁移熔融量与各个参数的关系。固体压实过程分为预压阶段和塑压阶段

在预压阶段固体输送压力上升缓慢

而在塑压阶段压力急剧上升。压力诱导熔体迁移熔融量与转速呈反比

与并偏心定子内径D的二分之一次方、压力的四分之一次方和偏心定子的温度Ts的四分之三次方呈正比。研究表明

理论模型预测与实验具有较好的一致性。

Abstract

The physical and mathematical models of the pressure-induced melt removal melting process were established through the research on the polymer melting process in the VPCU of the vane extruder and the relationship between the solids conveying pressure and pressure-induced melt removal melting amount with the parameters were obtained. The solid compaction process was divided into the pre-compaction stage and the plastic-compaction stage. The pressure increased slowly in the pre-compaction stage and rapidly in the plastic-compaction stage. The pressure-induced melt removal melting amount was inversely proportional to the rotating speed

and was proportional to half a square of the diameter D of the stator

the quarter power of the pressure and the three-quarters power of the temperature Ts of the stator. The results showed that the predictions of the theoretical model were in good agreement with the experiments.

关键词

叶片挤出机聚合物熔融模型

Keywords

Vane extruderPolymerMeltingModel

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