Abstract
Highly cross-linked poly(styrene sulfonic acid)-grafted poly(tetrafluoroethylene-co-perfluoropropyl vinyl ether) (PFA-g-PSSA) membranes with various thicknesses have been successfully prepared through the simultaneous irradiation grafting of styrene/divinylbenzene (DVB) onto PFA films with thicknesses of 25, 50, and 100 μm followed by sulfonation to introduce sulfonic acid moiety. It was observed that a concentrated chlorosulfonic acid solution and a high reaction temperature are needed to provide sufficient sulfonic acid as the thickness of the PFA films and the content of DVB both increase. The physicochemical properties of the prepared membranes such as water uptake, proton conductivity, methanol permeability, and chemical stability, were also investigated in this study.
| Original language | English |
|---|---|
| Pages (from-to) | 488-495 |
| Number of pages | 8 |
| Journal | High Performance Polymers |
| Volume | 26 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2014.06 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- cross-linking
- DMFC
- fuel cell
- grafting
- Membrane
- radiation
- sulfonation
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Engineering - Petroleum
- Chemistry
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