Preparation and characterization of crosslinked proton conducting membranes based on chitosan and PSSA-MA copolymer
Proton conducting crosslinked complex membranes were prepared by blending of a cationic
polyelectrolyte, ie chitosan (CS) and an anionic polyelectrolyte, ie poly (4-styrenesulfonic
acid-co-maleic acid)(PSSA-MA). In particular, the dual function of PSSA-MA as a crosslinker
and a proton conductor is described. The esterification reaction between–OH of CS and–
COOH of PSSA-MA and the complex formation of NH3+ of CS and SO3− of PSSA-MA were
confirmed using FT-IR spectroscopy. The ion exchange capacity (IEC) of membranes …
polyelectrolyte, ie chitosan (CS) and an anionic polyelectrolyte, ie poly (4-styrenesulfonic
acid-co-maleic acid)(PSSA-MA). In particular, the dual function of PSSA-MA as a crosslinker
and a proton conductor is described. The esterification reaction between–OH of CS and–
COOH of PSSA-MA and the complex formation of NH3+ of CS and SO3− of PSSA-MA were
confirmed using FT-IR spectroscopy. The ion exchange capacity (IEC) of membranes …
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