Rheological properties of particle suspensions in a polymeric liquid

被引：26
|
作者：
Choi, HJ [1 ]
Vinay, SJ
Jhon, MS
机构：
[1] Inha Univ, Dept Polymer Sci & Engn, Inchon 402751, South Korea
[2] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA
来源：
POLYMER | 1999年 / 40卷 / 10期
关键词：
Boger fluid; particle suspension; rheological property;
D O I：
10.1016/S0032-3861(98)00498-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The rheological characteristics of a particle-suspended Boger fluid are reported. Non-shear thinning, highly elastic polymer solutions were obtained from a mixture of high-molecular-weight polyisobutylene (PIB) and low-molecular-weight polybutene (PB). Kaolinite was chosen as the suspended particles. The shear viscosity and first normal stress difference of the kaolinite-suspended PIB/PB solution exhibit characteristics similar to those of Boger fluids. In contrast to polymer melts with nearly spherical particles, the elasticity of this system increases with the addition of particles, and a qualitative interpretation based on PB (the solvent) as a 'shielding' agent is given. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2869 / 2872
页数：4
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