Mesoscale simulation on the shape evolution of polymer drop and initial geometry influence

被引：20

作者：

Liu, Y ^{[1
]}

Yang, XZ ^{[1
]}

Yang, MJ ^{[1
]}

Li, T ^{[1
]}

机构：

[1] Chinese Acad Sci, Joint Lab Polymer Sci & Mat, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing 100080, Peoples R China

来源：

POLYMER | 2004年 / 45卷 / 20期

基金：

中国国家自然科学基金;

关键词：

interfacial tension; dissipative particle dynamics (DPD); mesoscale simulation;

D O I：

10.1016/j.polymer.2004.08.022

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 process experimentally measuring the interfacial tension of polymers was simulated by means of dissipative particle dynamics (DPD) simulation method in the present study. It is a retraction of ellipsoid drop of a polymer within the other polymer bulk. Effect of the initial geometry of the ellipsoid on the finally obtained interfacial tension was focused, since it was found the ellipsoid might not have the same length for both short axes, which is against original assumption. Simulated results show that different initial short axes of b and c do influence eventual measurement of the tension. However, a smaller deviation between b and c was found to be leading to an acceptable measurement. For this judgment, we found a criterion is gamma = (b - c)/a < 0.3. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：6985 / 6991

页数：7

共 34 条

[1] ESTIMATION OF INTERFACIAL-TENSION USING SHAPE EVOLUTION OF SHORT FIBERS [J].