| 초록 |
Aromatic polyamides possess thermal stability and high strength, making them attractive in many applications. However, their processability is quite limited due to hydrogen bonding, poor solubility in common organic solvents, and the high melting points. In this study, sulfonated poly(phenylene ether sulfone) and m-phenylene isophthalamide was copolymerized to improve its processability and to check the possibility as membrane materials for fuel cell application. Synthesized polymers were transformed into proton exchange membranes. Prepared membranes were characterized in terms of the proton conductivity, ion exchange capacity (IEC), water uptake, methanol permeability, and thermal stability. Detailed results will be presented. |
