Abstract
1,2,4-triazole -functional PGMA polymers have been synthesized and their anhydrous proton-conducting properties were investigated after doping with phosphoric acid and triflic acid. PGMA was prepared by solution polymerization and then modified with 1H-1,2,4-triazole (Tri) and 3-amino-1,2,4-triazole (ATri). FT-IR, C-13 NMR and elemental analysis verify the high immobilization of the triazoles in the polymer chain. Phosphoric-acid-doped polymers showed lower T-g and higher proton conductivities. PGMA-Tri 4 H3PO4 showed a maximum water-conductivity of approximately 10(-2) S . cm(-1) while that of PGMA-ATri 2 H3PO4 was 10(-3) S . cm(-1). The structure and dynamics of the polymers were explored by H-1 MAS and C-13 CP-MAS solid-state NMR.