Bridging length scales in polymer melt relaxation for macromolecules with specific local structures

被引：15
|
作者：
Sambriski, E. J. [1 ]
Yatsenko, G. [1 ]
Nemirovskaya, M. A. [1 ]
Guenza, M. G. [1 ]
机构：
[1] Univ Oregon, Inst Theoret Sci, Dept Chem, Eugene, OR 97403 USA
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2007年 / 19卷 / 20期
关键词：
D O I：
10.1088/0953-8984/19/20/205115
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We extend our generalized Langevin equation for cooperative dynamics (CDGLE), a many-chain approach, to investigate liquids composed of macromolecules with different local chemical structure. In particular, the specific role of semiflexibility and local architecture on the overall polymer dynamics is explored. The theory predicts centre-of-mass diffusion in good agreement with simulations for liquids of macromolecules with slightly branched monomeric architectures.
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页数：11
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