Self-assembly of diblock copolymers under shear flow: A simulation study by combining the self-consistent field and lattice Boltzmann method

被引：7
|
作者：
Cui, Jie
Ma, Zengwei
Li, Wei
Jiang, Wei [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
来源：
CHEMICAL PHYSICS | 2011年 / 386卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
Self-assembly; Copolymer; Shear flow; Self-consistent; Lattice Boltzmann; MONTE-CARLO-SIMULATION; DILUTE-SOLUTION; BOUNDARY-CONDITIONS; OSCILLATORY SHEAR; BLOCK-COPOLYMERS; COMPLEX FLUIDS; MELT; PHASES; POLYMERS; LAMELLAE;
D O I：
10.1016/j.chemphys.2011.06.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, we study the self-assembly of diblock copolymers under shear flow by combining the self-consistent field (SCF) and lattice Boltzmann (LB) method. We perform LB and SCF simulations in the same lattice, and set SCF simulation results as the input of LB, and then feedback the LB results to SCF simulation. This process is repeated until the system reaches an equilibrium state. This combined simulation method has the advantages of both LB and SCF simulations. It can thus be used to study the self-assembly of a defined copolymer in a real shear flow field. The simulative results imply that the self-assembled morphology of diblock copolymers under shear flow depends on the shear rate and shear frequency. The results correlate well with the experiment. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：81 / 87
页数：7
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