|
|||||
|
|
Thermal analysis of perfluorosulfonated ionomers |
|
| Authors: | Yinghao Luan Junhong Zhao Jinghui Yang Xinsheng Ma |
| Institution: | 1. School of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, People??s Republic of China 2. National Engineering Research Center of Ultra Fine Powder, Shanghai, 200237, People??s Republic of China 3. School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People??s Republic of China |
| 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. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |