Abstract
Novel sulfonated poly(ether sulfone ketone)s containing mesonaphthobifluorene (MNF) moiety were synthesized and their properties characterized. The prepared polymers had a partial graphene structure due to the MNF group. Poly(ether sulfone ketone)s bearing tetraphenylethylene (TPE) on the polymer backbone were synthesized by polycondensation, after which MNF was formed by the intra-cyclization of TPE by Friedel-Crafts reaction with Lewis acid (FeCl3). The sulfonation was performed selectively on MNF units with concentrated sulfuric acid. The synthesized polymer electrolyte membranes showed better thermal and dimensional stabilities owing to the MNF-induced graphene structure in the polymer backbone. The water uptake of the synthesized membranes ranged from 30%–55%, compared with 32.13% for Nafion 211® at 80°C. The proton conductivity (80°C, RH 90%) ranged from 74.6–101.2 mS/cm, compared with 102.7 mS/cm for Nafion 211®.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
