Model analysis on dispersion characteristics of fine particles in Newtonian molten polymer

被引：0

作者：

Hasegawa, Emi ^{[1
]}

Suzuki, Hiroshi ^{[2
]}

Komoda, Yoshiyuki ^{[2
]}

Usui, Hiromoto ^{[2
]}

机构：

[1] Kobe Univ, Grad Sch Sci & Technol, Kobe, Hyogo 657, Japan

[2] Kobe Univ, Dept Chem Sci & Engn, Kobe, Hyogo 657, Japan

来源：

XVTH INTERNATIONAL CONGRESS ON RHEOLOGY - THE SOCIETY OF RHEOLOGY 80TH ANNUAL MEETING, PTS 1 AND 2 | 2008年 / 1027卷

关键词：

dispersion model; fine particles; shear flow; rheology;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, a model estimating the time-dependent distribution of cluster size consisting of fine particles in Newtonian molten polymer was proposed. The present model for agglomerative suspension was developed based on Usui's thixotropy model, derived by taking the balance between shear breakup, shear coagulation and Brownian coagulation process. The analysis was applied to the experimental results for silica/(ethylene meta-methyl acrylate copolymer) suspensions. The time variation of cluster size distributions, of viscosities and of the mean number of particles in a cluster was calculated and the results were compared with experimental results. From this, the applicability of the present model was validated for the agglomerative silica particles slurry.

引用

页码：653 / +

页数：2

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