Vertically Oriented Microporous Membranes Prepared by Bidirectional Freezing

Sen-He Chen; Bai-Heng Wu; Jin-Cheng Fu; Guo-Jun Wang; Ling-Shu Wan; Zhi-Kang Xu

doi:10.1007/s10118-018-2113-z

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Vertically Oriented Microporous Membranes Prepared by Bidirectional Freezing

ARTICLE | Updated：2021-02-18

- Vertically Oriented Microporous Membranes Prepared by Bidirectional Freezing
- Chinese Journal of Polymer Science Vol. 36, Issue 7, Pages: 880-887(2018)
- Affiliations：
  
  a.Ministry of Education Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
  b.Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
- Author bio：
  
  lswan@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-018-2113-z
  CLC：
- Received：18 October 2017，
  
  Accepted：20 January 2018，
  
  Online First：12 March 2018，
  
  Published：2018-07
- Accepted：
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Sen-He Chen, Bai-Heng Wu, Jin-Cheng Fu, et al. Vertically Oriented Microporous Membranes Prepared by Bidirectional Freezing[J]. Chinese Journal of Polymer Science, 2018, 36(7): 880-887.
DOI：

Sen-He Chen, Bai-Heng Wu, Jin-Cheng Fu, et al. Vertically Oriented Microporous Membranes Prepared by Bidirectional Freezing[J]. Chinese Journal of Polymer Science, 2018, 36(7): 880-887. DOI： 10.1007/s10118-018-2113-z.

摘要

Abstract

Polystyrene membranes with precisely controlled and vertically oriented pores are fabricated by a bidirectional freezing process. In this process

the influence of polymer in growth of diphenyl sulfone (DPS) crystals has been demonstrated by XRD and simulated by DFT based on the interaction between DPS crystal faces and polystyrene (PS). The influence of temperature gradient on membrane structures is also elucidated. Compared to the original membrane and modified traditional membranes

modified PS membranes with vertically oriented pores show large and stable fluxes in the processes of multiple oil and water separation.

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Keywords

references

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