Electrochemical preparation of soluble sulfonated polymers and aniline copolymers of aniline sulfonic acids in dimethylsulfoxide

ŞAHİN Y., Pekmez K., Yildiz A.

JOURNAL OF APPLIED POLYMER SCIENCE, vol.90, no.8, pp.2163-2169, 2003 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 90 Issue: 8
  • Publication Date: 2003
  • Doi Number: 10.1002/app.12858
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.2163-2169
  • Keywords: self-doped polyaniline, orthanilic acid (o-aminobenzene sulfonic acid), metanilic acid (m-aminobenzene sulfonic acid), sulfanilic acid (p-aminobenzene sulfonic acid), aniline, copolymerization, SELF-DOPED POLYANILINE, METANILIC ACID, ANILINE-2,5-DISULFONIC ACID, ORTHANILIC ACID
  • Anadolu University Affiliated: No


Fully sulfonated polyaniline was produced during the electrochemical polymerization of orthanilic, metanilic, and sulfanilic acids in dimethylsulfoxicle (DMSO). The dry conductivity values of the polymers obtained from the above three isomers of aminobenzene sulfonic acids were found to be 0.052, 0.087, and 0.009 S/cm, respectively. Furthermore, partially sulfonated copolymers of these aniline sulfonic acids and aniline were also synthesized electrochemically in DMSO. The dry conductivity values of the copolymers obtained from these three acids were found to be 0.094, 0.26, and 0.033 S/cm, respectively. The polymers and copolymers are soluble in water, DMSO, and N-methyl-2-pyrrolidone. The structure and properties of these polymers and copolymers were elucidated using cyclic voltammetry, scanning electron microscopy, Fourier transform infrared, elemental analysis, and ultra violet-visible absorption spectroscopy. (C) 2003 Wiley Periodicals, Inc.