Self-diffusion in binary blends of cyclic and linear polymers

被引：56

作者：

Subramanian, Gopinath ^{[1
]}

Shanbhag, Sachin ^{[1
,2
]}

机构：

[1] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA

[2] FAMU FSU Coll Engn, Dept Chem & Biomed Engn, Tallahassee, FL 32310 USA

来源：

MACROMOLECULES | 2008年 / 41卷 / 19期

关键词：

D O I：

10.1021/ma801232j

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A lattice model is used to estimate the self-diffusivity of entangled cyclic and linear polymers in blends of varying compositions. To interpret simulation results, we suggest a minimal constraint release model for the motion of a cyclic polymer infiltrated by neighboring linear chains. Both the simulation and recently reported experimental data on entangled DNA solutions support the simple model over a wide range of blend compositions, concentrations, and molecular weights.

引用

页码：7239 / 7242

页数：4

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