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An aromatic polymer, poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) was sulfonate with different sulfonation degrees (30, 50, and 75 % theoretical degree) to obtain an electrolytic polymer suitable as proton exchange membrane for fuel cells. Thermal behaviors of sulfonated PPO were tested by differential scanning calorimetry and thermogravimetry. The sulfonation degrees were correlated with glass transitions temperatures (T g) and the percent of weight loss. One notices a good fitting between sulfonation degree and the percent of weight loss thanks splitting of sulfonic moieties but it is not the same for glass transition temperatures that have a random variation.
| Authors: | Irina Petreanu, Daniela Ebrasu, Claudia Sisu, Mihai Varlam | |
| Journal: | Journal of Thermal Analysis and Calorimetry | |
| Year: | 2012 | |
| DOI: | 10.1007/s10973-012-2442-z | |
| Publication date: | 12-05-2012 |
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Obituary Content Type Journal Article Pages 1-2 DOI 10.1007/s10973-012-2803-7 Authors Takayoshi Kimura, Department of Chemistry, Kinki University, Higashi-Osaka, Japan Nobuyoshi Koga, Graduate School of Education, Hiroshima University, Higashi-Hiroshima, Japan Jou ... more
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