Computer Simulation of Vesicle Structure from Self-assembly of Miktoarm Star-like Block Copolymers in Dilute Solution

doi:10.7503/cjcu20130058

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (7): 1667.doi: 10.7503/cjcu20130058

• Physical Chemistry • Previous Articles Next Articles

Computer Simulation of Vesicle Structure from Self-assembly of Miktoarm Star-like Block Copolymers in Dilute Solution

LI Bin, ZHU You-Liang, XU Dan, PEI Han-Wen, LIU Hong

State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130021, China

Received:2013-01-15 Online:2013-07-10 Published:2013-06-21
Contact: Hong Liu E-mail:hongliu@jlu.edu.cn

Abstract

Abstract:

The self-assembly of miktoarm star-like block copolymers in dilute solution was studied with dissipative particle dynamics(DPD) simulations. The pathway of self-assembly, as well as the influence of molecular architecture of the block copolymers on the self-assembly structures were studied in this paper. The miktoarm star-like block copolymers aggregate into disk-like micelles, then the micelles can close to form a vesicle. For the system with short hydrophilic branch, it is easy to form the vesicle, and the thickness of the bilayer membrane of vesicle is larger since the hydrophobic branches of the miktoarm star-like block copolymers are longer. The results show that it is easier for the miktoarm star-like block copolymers to assemble into vesicles than for the corresponding linear diblock copolymers.

Key words: Miktoarm star-like block copolymer, Self-assembly, Vesicle, Bilayer membrane

CLC Number:

O641
O631

TrendMD:

LI Bin, ZHU You-Liang, XU Dan, PEI Han-Wen, LIU Hong. Computer Simulation of Vesicle Structure from Self-assembly of Miktoarm Star-like Block Copolymers in Dilute Solution[J]. Chem. J. Chinese Universities, 2013, 34(7): 1667.

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Computer Simulation of Vesicle Structure from Self-assembly of Miktoarm Star-like Block Copolymers in Dilute Solution

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