Extensional Rheology of Polymer Systems:Characterization and Progress

Qiang LI; Qiong ZENG; Qi YANG; Mi-qiu KONG; Ya-jiang HUANG

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Extensional Rheology of Polymer Systems:Characterization and Progress

更新时间：2022-09-18

- Extensional Rheology of Polymer Systems:Characterization and Progress
- Polymer Bulletin Vol. 25, Issue 3, Pages: 53-61(2012)
- 作者机构：
  
  四川大学高分子科学与工程学院　高分子材料工程国家重点实验室，成都　610065
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012-03，
  
  Received：08 June 2011，
  
  Revised：22 August 2011，
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Qiang LI, Qiong ZENG, Qi YANG, Mi-qiu KONG, Ya-jiang HUANG. Extensional Rheology of Polymer Systems:Characterization and Progress. [J]. Polymer Bulletin 25(3):53-61(2012)
DOI：

Qiang LI, Qiong ZENG, Qi YANG, Mi-qiu KONG, Ya-jiang HUANG. Extensional Rheology of Polymer Systems:Characterization and Progress. [J]. Polymer Bulletin 25(3):53-61(2012) DOI：

摘要

聚合物的拉伸流动在吹膜、纺丝、热成型等加工中扮演着支配的角色

因此掌握聚合物熔体在拉伸条件下的流动行为对于控制和预测其加工性能具有重要意义。相对于剪切流动

拉伸粘度对于大分子的结构、填充粒子的各向异性、共混物中两相的结构等更加敏感。本文简要介绍了当前用于拉伸流变研究的常用装置及其原理

并举例描述了单一组分聚合物、聚合物纳米复合材料和聚合物共混物等体系拉伸流变研究的现状和成果

最后指出了当前拉伸流变研究领域存在的一些不足之处并进行了展望。

Abstract

Extensional flow of polymer melts play a dominant role in polymer processes such as film blowing

fiber spinning and thermoforming. Knowing the extensional flow properties of the polymer melts is very important to control and predict their ability to be shaped or processed into products. In many cases and compared to shear flow

transient extensional viscosity is more sensitive for characterizing polymer structures such as macromolecular structure

anisotropy of particles filling and phase morphology of polymer blends. In this paper

the extensional rheometers or fixtures commonly used and their principles are briefly introduced. Moreover

some recent investigations about the extensional flow properties of pure polymers

polymer nanocomposites and polymer blends are reviewed and discussed.

关键词

拉伸流变拉伸粘度单一组分聚合物聚合物纳米复合材料聚合物共混物

Keywords

Extensional rheologyExtensional viscosityPure polymerPolymer nanocompositesPolymer blends

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