Computer simulation of three-arm star polymers

被引：0

作者：

Brown, S ^{[1
]}

Szamel, G ^{[1
]}

机构：

[1] Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA

来源：

MACROMOLECULAR THEORY AND SIMULATIONS | 2000年 / 9卷 / 01期

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We show that Shaffer's version of the bond fluctuation model can be used to simulate three-arm star polymers. We report a simulation study of both single stars and melts of star polymers with ann lengths up to 90 monomer units (approximately twice the entanglement crossover length for linear chains). Center-of-mass self-diffusion of single stars is Rouse-like (D similar to N-1). Due to a limited range of molecular weights we cannot distinguish between a power-law and an exponential dependence of the star-melt self-diffusion coefficient on arm length.

引用

页码：14 / 19

页数：6

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