Polyanilines: Synthesis, structure and properties.

A review is given of the most relevant advances on the science and technology of polyanilines which represent a new class of conducting polymer due fa its doping by protonic acids, The correlation between synthesis, structure and properties is specially addressed, Particular attention is also devoted to the main advantages which make polyaniline a synthetic metal for technology, namely ease of synthesis in a wide range of molecular weights, environmental stability of the protonic acid doped form, solubility in doped and undoped state, processability of blends by common processing techniques and its interesting unique properties.