Synthesis and characterization of tetrafluorophenyl phosphonic acid functionalized polyacrylates as potential proton conducting materials in fuel cells

Novel acrylate polymers functionalized with tetrafluorophenyl phosphonic acid groups were prepared by free radical polymerization of ester monomers. Liberation the functions was realized cleavage Me3SiBr and subsequent hydrolysis methanol. The obtained analyzed NMR IR spectroscopy. ion exchange capacity methacrylate polymer determined to 2.8 mmol/g titration 0.1 M NaOH. proton conductivity under anhydrous conditions 6.84 × 10−6 Scm−1 at 120°C electrochemical impedance