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The mechanism of the oxidative polymerization of aniline and the formation of supramolecular polyaniline structures
Author(s) -
Sapurina Irina,
Stejskal Jaroslav
Publication year - 2008
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.2476
Subject(s) - polyaniline , aniline , polymerization , supramolecular chemistry , polymer chemistry , materials science , phenazine , conductive polymer , polymer , template , chemical engineering , chemistry , nanotechnology , molecule , organic chemistry , engineering
Polyaniline is one of the most important conducting and responsive polymers. A molecular mechanism for the oxidation of aniline is proposed. This mechanism explains the specific features of aniline oligomerization and polymerization in various acidity ranges. The formation of polyaniline precipitates, colloids and thin films is reviewed and discussed on the basis of the chemistry of aniline oxidation. The generation of nanostructures, i.e. granules, nanotubes, nanowires and microspheres, is also considered. Oligomers containing phenazine constitutional units play an important role in self‐assembly to form templates. Polyaniline chains then grow from these templates and produce the various individual morphologies. Copyright © 2008 Society of Chemical Industry