Anisotropy in nonlinear polymer rheology

被引：0
|
作者：
Volkov, V. S. [1 ]
机构：
[1] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES A | 2014年 / 56卷 / 05期
关键词：
MELTS; VISCOELASTICITY; POLYETHYLENE; MOTION; LIQUID; SHEAR; FLOW;
D O I：
10.1134/S0965545X14050162
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A theory describing the behavior of liquids with anisotropic relaxation times in terms of the extended (locally nonequilibrium) thermodynamics of irreversible processes has been formulated. The theory forms the basis for a general approach to the investigation of anisotropy of the rheological properties of orientable polymer liquids. Uniaxial shear and elongation flows of a viscoelastic fluid in one preferred direction have been considered. The pattern of the obtained viscometric functions indicates the important role of macroscopic orientation effects in the rheology of polymeric media.
引用
收藏
页码：712 / 718
页数：7
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