Non-symmetric viscoelasticity of anisotropic polymer liquids

被引：13
|
作者：
Volkov, VS [1 ]
Kulichikhin, VG [1 ]
机构：
[1] Russian Acad Sci, Inst Petrochem Synth, Moscow 117912, Russia
来源：
RHEOLOGICA ACTA | 2000年 / 39卷 / 04期
关键词：
macroscopic theory; polymer nematics; non-symmetric viscoelasticity; relaxation anisotropy; complex viscosities; non-linear sheer viscosities;
D O I：
10.1007/s003970000070
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The liquid crystalline (LC) polymers are considered as anisotropic viscoelastic liquids with nonsymmetric stresses. A simple constitutive equation for nematic polymers describing the coupled relaxation of symmetric and antisymmetric parts of the stress tensor is formulated. For illustration of non-symmetric anisotropic viscoelasticity, the simplest viscometric flows of polymeric nematics in the magnetic field are considered. The frequency and shear rate dependencies of extended set of Miesowicz viscosities are predicted.
引用
收藏
页码：360 / 370
页数：11
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