Simulation on the self-assembly of coil-rod-coil triblock copolymer(刚柔三嵌段共聚物自组装行为的模拟研究)

WANGSiwen(王丝雯); ZHUANGLu(庄璐); CHENXu(陈旭); HELinli(何林李)

doi:10.3785/j.issn.1008-9497.2016.02.020

Zhejiang Daxue xuebao. Lixue ban (Mar 2016)

Simulation on the self-assembly of coil-rod-coil triblock copolymer(刚柔三嵌段共聚物自组装行为的模拟研究)

WANGSiwen(王丝雯),
ZHUANGLu(庄璐),
CHENXu(陈旭),
HELinli(何林李)

Affiliations

WANGSiwen(王丝雯): College of Physics and Electronic Information, Wenzhou University, Wenzhou 325035, Zhejiang Province, China(温州大学物理与电子信息工程学院，浙江　温州　325035)
ZHUANGLu(庄璐): College of Physics and Electronic Information, Wenzhou University, Wenzhou 325035, Zhejiang Province, China(温州大学物理与电子信息工程学院，浙江　温州　325035)
CHENXu(陈旭): College of Physics and Electronic Information, Wenzhou University, Wenzhou 325035, Zhejiang Province, China(温州大学物理与电子信息工程学院，浙江　温州　325035)
HELinli(何林李): ORCiD; College of Physics and Electronic Information, Wenzhou University, Wenzhou 325035, Zhejiang Province, China(温州大学物理与电子信息工程学院，浙江　温州　325035)

DOI: https://doi.org/10.3785/j.issn.1008-9497.2016.02.020
Journal volume & issue: Vol. 43, no. 2
pp. 237 – 241

Abstract

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采用耗散粒子动力学模拟方法研究了刚柔三嵌段共聚物(coil-rod-coil，CRC)在溶剂环境下的自组装.通过观察C4R8C4共聚物囊泡结构形成的动力学过程，发现体系先自组装成球形或柱状胶束，然后逐渐融合为盘状结构，再进一步弯曲形变，形成闭合的双层膜囊泡结构.当共聚物浓度为6%〜25%时，C4R8C4自组装成不同尺寸的囊泡相，其均方半径〈D2〉随共聚物浓度的增加而增大，而双层膜厚度T基本保持不变.最后，改变溶剂性质，从亲棒到中性再到亲链，体系自组装结构从囊泡相转变为球形胶束相.尤其在等效的中性溶剂环境下，体系呈现层状结构，其中棒与棒嵌段呈高度有序的液晶相排列.

Published in Zhejiang Daxue xuebao. Lixue ban

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml

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