Self-assembly Behavior of Rod-Coil-Rod Triblock Copolymers within a Planar Slit

Ya-juan Su; Jian-hua Huang

doi:10.1007/s10118-016-1803-7

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Self-assembly Behavior of Rod-Coil-Rod Triblock Copolymers within a Planar Slit

PAPERS | Updated：2021-05-12

- Self-assembly Behavior of Rod-Coil-Rod Triblock Copolymers within a Planar Slit
- Chinese Journal of Polymer Science Vol. 34, Issue 7, Pages: 838-849(2016)
- Affiliations：
  
  Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Author bio：
  
  Jian-hua Huang (黄建花), E-mail: jhhuang@zstu.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1803-7
  CLC：
- Received：14 January 2016，
  
  Revised：2016-02-14，
  
  Accepted：14 February 2016，
  
  Published：2016-07
- Accepted：
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Ya-juan Su, Jian-hua Huang. Self-assembly Behavior of Rod-Coil-Rod Triblock Copolymers within a Planar Slit[J]. Chinese Journal of Polymer Science, 2016, 34(7): 838-849.
DOI：

Ya-juan Su, Jian-hua Huang. Self-assembly Behavior of Rod-Coil-Rod Triblock Copolymers within a Planar Slit[J]. Chinese Journal of Polymer Science, 2016, 34(7): 838-849. DOI： 10.1007/s10118-016-1803-7.

摘要

Abstract

The self-assembly behavior of sphere-forming R

triblock copolymers within a planar slit is studied by performing dissipative particle dynamics simulations. A sequence of novel structures which are not observed in bulk are formed within slits

including wetting layers

island-like structure

parallel cylinders

perpendicular cylinders and cross-cylindrical structures. Perpendicular cylinders are always formed before the increase in the layers of parallel cylinders. A phase diagram of the assembled structures with respective to the slit property and height is thus presented. The rod length is found to have a significant impact on the rod alignment

and a disordered-ordered transition of rod orientation occurs with an increase in the length of rod blocks. Some special structures

such as parallel half-cylinders and arrowhead-shaped morphology

are observed when the rod length increases to a certain extent. Our results show that the property and height of the slit and rod length all influence the self-assembly of rod-coil-rod triblock copolymers.

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references

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