Crystallization-driven Self-assembly of Isotactic Polystyrene in <italic style="font-style: italic">N,N</italic>-Dimethylformamide

Qi-hua Zhou; Zhi-yun Li; Hua-qing Liang; Yong-jiang Long; Qing Wu; Hai-yang Gao; Guo-dong Liang; Fang-ming Zhu

doi:10.1007/s10118-015-1615-1

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Crystallization-driven Self-assembly of Isotactic Polystyrene in N,N-Dimethylformamide

PAPER | Updated：2021-06-21

- Crystallization-driven Self-assembly of Isotactic Polystyrene in N,N-Dimethylformamide
- Chinese Journal of Polymer Science Vol. 33, Issue 4, Pages: 646-651(2015)
- Affiliations：
  
  a.Key Lab for Polymer Composites and Functional Materials of Ministry of Education, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
  b.DSAPM Lab, Institute of polymer Science, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
- Author bio：
  
  **Fang-ming Zhu (祝方明), E-mail: ceszfm@mail.sysu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1615-1
  CLC：
- Received：13 August 2014，
  
  Revised：2014-09-03，
  
  Accepted：12 September 2014，
  
  Published：2015-04
- Accepted：
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Qi-hua Zhou, Zhi-yun Li, Hua-qing Liang, et al. Crystallization-driven Self-assembly of Isotactic Polystyrene in N,N-Dimethylformamide[J]. Chinese Journal of Polymer Science, 2015, 33(4): 646-651. DOI: 10.1007/s10118-015-1615-1.
DOI：

Qi-hua Zhou, Zhi-yun Li, Hua-qing Liang, et al. Crystallization-driven Self-assembly of Isotactic Polystyrene in N,N-Dimethylformamide[J]. Chinese Journal of Polymer Science, 2015, 33(4): 646-651. DOI: 10.1007/s10118-015-1615-1. DOI：

摘要

Abstract

Herein we demonstrate crystallization-driven self-assembly of isotactic polystyrene (

PS) with high isotacticity and narrow molecular weight distribution and crystallization-induced switching of the morphology of

PS aggregates in

-dimethylformamide (DMF). The formation and morphology switching of the self-assembled aggregates of

PS are investigated by means of dynamic light scattering (DLS)

scanning electron microscopy (SEM)

differential scanning calorimetry (DSC) and wide angle X-ray diffraction (WXRD). The results reveal that cooling DMF solution of

PS promotes

PS chains to self-assemble into spherical aggregates with a gelled core cross-linked by microcrystals

which is surrounded by solvent-swollen corona. Furthermore

crystallization induces the deformation of

PS aggregates from spherical to plate-like or nest-like.

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Crystallization-driven Self-assembly of Isotactic Polystyrene in N,N-Dimethylformamide

DOI：10.1007/s10118-015-1615-1

摘要

Abstract

关键词

Keywords

references