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

页码：2869 / 2872

页数：4

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