Abstract
Aniline was chemically oxidized and polymerized in water with FeCl3, with emphasis on molecular weight and yield. Reaction conditions, including reaction temperature, electrochemical equivalent ratio (FeCl3/aniline), reaction time, aniline and HCl concentrations, and atmosphere (in air and in N2) were investigated and optimized. At an optimum condition, 20400 of number average molecular weight and 51% of yield were obtained. The product was assumed emeraldine by elemental analysis, solid state 13C NMR and IR spectroscopy. The effects of the reaction condition are discussed on the basis of the mechanisms which are proposed for electrochemical polymerization of aniline.
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