%0 journal article %@ 1932-2135 %A Ponce, M.L., Roeder, J., Gomes, D., Pereira Nunes, S. %D 2010 %J Asia-Pacific Journal of Chemical Engineering %N 1 %P 235-241 %R doi:10.1002/apj.370 %T Stability of sulfonated polytriazole and polyoxadiazole membranes %U https://doi.org/10.1002/apj.370 1 %X The performance and stability of sulfonated polytriazoles with polymer backbones containing diphenyl ether (S-DPE-PT) and hexafluorisopropylidene groups (S-FPT) were compared, aiming their application as proton conductive membranes for fuel cell. The chemical stability of both membranes were compared and analyzed by infrared spectroscopy after 24 h heating at temperatures up to 250 °C. The superior stability of the fluorinated polytriazole was confirmed.