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Journal of Materials Science

, Volume 45, Issue 4, pp 1017–1024 | Cite as

Crosslinked sulfonated poly (bis-A)-sulfones as proton exchange membrane for PEM fuel cell application

  • Jianjia Yu
  • Chao Dong
  • Jianhong Liu
  • Cuihua Li
  • Jianhua Fang
  • Rong GuanEmail author
Article

Abstract

The crosslinked sulfonated poly (bis-A)-sulfone (SPSF) proton exchange membranes were prepared by immersing the SPSF membrane into the presence of phosphorous pentoxide–methanesulfonic acid (PPMA) in the ratio of 1:10 by weight. The occurring of crosslinking reaction was proved and the membrane properties before and after crosslinking were evaluated. The results showed that the crosslinking treatment has reduced the water uptake, depressed the swelling, and enhanced the dimensional stability of SPSF membranes with just only slight sacrifice in proton conductivity. The ordered arrangement of molecular chain internal SPSF membrane was reduced and the efficiency of crosslinking reaction showed a random property along the depth direction of the membrane in the process of crosslinking.

Keywords

Water Uptake Proton Conductivity Dimensional Stability Crosslinking Reaction Crosslinking Density 

Notes

Acknowledgements

The authors gratefully acknowledge the financial support from the open funding of Shenzhen Functional Polymer Key Laboratory.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Jianjia Yu
    • 1
  • Chao Dong
    • 1
  • Jianhong Liu
    • 2
  • Cuihua Li
    • 2
  • Jianhua Fang
    • 3
  • Rong Guan
    • 1
    Email author
  1. 1.College of Chemistry and Chemical EngineeringHubei UniversityWuhanChina
  2. 2.College of Chemistry and Chemical EngineeringShenzhen UniversityShenzhenChina
  3. 3.School of Chemistry and Chemical TechnologyShanghai Jiao Tong UniversityShanghaiChina

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