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Thermal analysis of perfluorosulfonated ionomers

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Abstract

The thermal properties of perfluorosulfonated ionomer (PFSI) precursors, H-type, and Na-type PFSIs with various ion exchange capacity of 0.36, 0.88, 1.02, and 1.20 mequiv./g in the form of pellets were investigated by thermogravimetry and differential scanning calorimetry. It is revealed that the Na-type PFSIs have the highest thermal stability, and the mechanism of thermal degradation of H-type PFSIs is different from those of precursors and Na-type PFSIs. The DSC measurements indicate that the thermal behaviors of the precursors, the H- and Na- type PFSIs are very different due to the difference of the end groups of the pedants.

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Acknowledgements

The authors are grateful to Shandong Dongyue Shenzhou New Material Co. Ltd. to provide the PFSI precursors.

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Authors and Affiliations

  1. School of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, People’s Republic of China

    Yinghao Luan, Jinghui Yang & Xinsheng Ma

  2. National Engineering Research Center of Ultra Fine Powder, Shanghai, 200237, People’s Republic of China

    Yinghao Luan, Jinghui Yang & Xinsheng Ma

  3. School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People’s Republic of China

    Junhong Zhao

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  1. Yinghao Luan
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Correspondence to Xinsheng Ma.

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Luan, Y., Zhao, J., Yang, J. et al. Thermal analysis of perfluorosulfonated ionomers. J Therm Anal Calorim 110, 1119–1126 (2012). https://doi.org/10.1007/s10973-011-2020-9

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  • DOI: https://doi.org/10.1007/s10973-011-2020-9

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