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Polymer melt anisotropy in biaxial shear

 

作者: Ranjit S. Jeyaseelan,   A. Jeffrey Giacomin,  

 

期刊: Journal of Rheology  （AIP Available online 1995）
卷期: Volume 39, issue 2  

页码: 267-283

 

ISSN:0148-6055

 

年代: 1995

 

DOI:10.1122/1.550690

 

出版商: The Society of Rheology

 

关键词: POLYMERS;MELTS;SHEAR PROPERTIES;TRANSIENTS;POLYETHYLENES;BUTYL COMPOUNDS;NETWORK STRUCTURE;ANISOTROPY;DEFORMATION

 

数据来源: AIP

 

摘要:

The prediction of transient network theory is in reasonable agreement with the biaxial shear behavior of a polyisobutylene and a low density polyethylene melt in two different biaxial shear tests. Transient network theory provides a proper description of the development of melt anisotropy for highly nonlinear behavior in biaxial shear. The use of the nonaffine deformation hypothesis gives an improvement for the case of low density polyethylene, at high shear rate.

 

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