Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A1B1A2(B2)<italic style="font-style: italic">m</italic> Branched Tetrablock Copolymer

Bin Zhao; Mei-Jiao Liu; Chao Wang; Ying-Cai Chen; Yu-Ci Xu

doi:10.1007/s10118-021-2554-7

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Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A₁B₁A₂(B₂)_m Branched Tetrablock Copolymer

ARTICLE | Updated：2021-04-30

- Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A₁B₁A₂(B₂)_m Branched Tetrablock Copolymer
- Chinese Journal of Polymer Science Vol. 39, Issue 7, Pages: 925-933(2021)
- Affiliations：
  
  a.Department of Physics, Taizhou University, Taizhou 318000, China
  b.Key Laboratory of Computational Physical Science, Fudan University, Shanghai 200433, China
  c.Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
  d.Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
- Author bio：
  
  zhaobin007@tzc.edu.cn (B.Z.)
  xuyuci@nbu.edu.cn (Y.C.X.)
- Funds：
- DOI：10.1007/s10118-021-2554-7
  CLC：
- Received：30 November 2020，
  
  Revised：2021-1-5，
  
  Accepted：15 January 2021，
  
  Online First：30 April 2021，
  
  Published：14 May 2021
- Accepted：
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Zhao, B.; Liu, M. J.; Wang, C.; Chen, Y. C.; Xu, Y. C. Enlarged stable phase region of hybrid lamella-sphere phase enabled by A₁B₁A₂(B₂)_{, , m,} branched tetrablock copolymer. Chinese J. Polym. Sci. 2021, 39, 925–933 DOI: 10.1007/s10118-021-2554-7.

Bin Zhao, Mei-Jiao Liu, Chao Wang, et al. Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A₁B₁A₂(B₂)_m Branched Tetrablock Copolymer[J]. Chinese Journal of Polymer Science, 2021, 39(7): 925-933. DOI: 10.1007/s10118-021-2554-7.
Zhao, B.; Liu, M. J.; Wang, C.; Chen, Y. C.; Xu, Y. C. Enlarged stable phase region of hybrid lamella-sphere phase enabled by A₁B₁A₂(B₂)_{, , m,} branched tetrablock copolymer. Chinese J. Polym. Sci. 2021, 39, 925–933 DOI: 10.1007/s10118-021-2554-7. DOI：

Bin Zhao, Mei-Jiao Liu, Chao Wang, et al. Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A₁B₁A₂(B₂)_m Branched Tetrablock Copolymer[J]. Chinese Journal of Polymer Science, 2021, 39(7): 925-933. DOI: 10.1007/s10118-021-2554-7. DOI：

摘要

Abstract

Hybrid nanostructures possess a great potential for application in advanced nanotechnologies due to the anisotropic properties from different nanophases. Our previous work demonstrated that a linear A

tetrablock copolymer of symmetric overall volume fraction can self-assemble into a hybrid lamella-sphere (LS) structure by tuning the relative length of the two A-blocks through self-consistent field theory (SCFT)

where the spherical and the lamellar domains are mainly composed of the long A

- and short A

-blocks

respectively. However

the phase region of LS is limited. In order to expand the stable region of LS

we change the linear A

copolymer to a branched A

)

copolymer resulting in an increase of the local spontaneous curvature between A

- and B

-blocks. We examine the impact of the branching number

of B

-block on the stable region of LS in the phase diagram with respect to

and

χN

for fixed

=0.5 and

=0.26

and find that

=2 expands the LS region significantly in contrast to the linear architecture. On the other hand

the stability window of LS does not change notably when

=2 is increased to 3 in our calculated parameter space.

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Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A1B1A2(B2)m Branched Tetrablock Copolymer

DOI：10.1007/s10118-021-2554-7

摘要

Abstract

关键词

Keywords

references

Enlarged Stable Phase Region of Hybrid Lamella-sphere Phase Enabled by A₁B₁A₂(B₂)_m Branched Tetrablock Copolymer