PERVAPORATION FOR SEPARATING BENZENE/CYCLOHEXANE MIXTURE BY P(AA-MA) COPOLYMER MEMBRANES

Gao-fei Xu; Wei-pu Zhu

doi:10.1007/s10118-011-1046-6

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PERVAPORATION FOR SEPARATING BENZENE/CYCLOHEXANE MIXTURE BY P(AA-MA) COPOLYMER MEMBRANES

Paper | Updated：2021-06-21

- PERVAPORATION FOR SEPARATING BENZENE/CYCLOHEXANE MIXTURE BY P(AA-MA) COPOLYMER MEMBRANES
- Chinese Journal of Polymer Science Vol. 29, Issue 3, Pages: 288-295(2011)
- Affiliations：
  
  Department of Polymer Science and Engineering, Key Laboratory of Macromolecular Synthesis and Functionalization (Ministry of Education), Zhejiang University, Hangzhou 310027, China
- Author bio：
  
  **Wei-pu Zhu (朱蔚璞), E-mail: zhuwp@zju.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1046-6
  CLC：
- Received：15 February 2011，
  
  Revised：2011-02-22，
  
  Accepted：23 February 2011，
  
  Published：2011
- Accepted：
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Gao-fei Xu, Wei-pu Zhu. PERVAPORATION FOR SEPARATING BENZENE/CYCLOHEXANE MIXTURE BY P(AA-MA) COPOLYMER MEMBRANES[J]. Chinese Journal of Polymer Science, 2011, 29(3): 288-295.
DOI：

Gao-fei Xu, Wei-pu Zhu. PERVAPORATION FOR SEPARATING BENZENE/CYCLOHEXANE MIXTURE BY P(AA-MA) COPOLYMER MEMBRANES[J]. Chinese Journal of Polymer Science, 2011, 29(3): 288-295. DOI： 10.1007/s10118-011-1046-6.

摘要

Abstract

P(AA-MA) copolymers composed of acrylic acid and methyl acrylate with different molecular weights and sequence structures were synthesized by combination of ATRP and selective hydrolysis. These copolymers were used as membrane materials to separate benzene/cyclohexane mixture by pervaporation. The effects of molecular weight and sequence structure of the copolymers on the pervaporation performance were investigated in detail. For the random copolymers

the permeate flux decreased rapidly with the increasing of molecular weight. The separation factor was also influenced by the molecular weight

which was changed from no selectivity to cyclohexane selectivity with increasing the molecular weight. Contrarily

the block copolymer membrane showed good benzene selectivity with separation factor of 4.3 and permeate flux of 157 g/(m

h) to 50 wt% benzene/cyclohexane mixture.

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