ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7
Oxidative polymerization of anilinium 5-sulfosalicylate with peroxydisulfate in water
Budimir Marjanović, Ivan Juranić, Slavko Mentus, Gordana Ćirić-Marjanović, and Petr Holler
Centrohem, Vuka Karadžića bb, 22300 Stara Pazova, Serbia
Abstract: Anilinium 5-sulfosalicylate was prepared and characterized by elemental analysis, and FTIR and NMR spectroscopies. It was
polymerized in an aqueous solution using ammonium peroxydisulfate as an oxidant. The precipitated polyaniline 5-sulfosalicylate
exhibited high thermal stability and conductivity of 0.13 S cm−1. Its mass-average molar mass and polydispersity index were determined by gel-permeation chromatography as 22,900 g mol−1 and 2.7, respectively. Elemental analysis and FTIR spectroscopy study of polyaniline 5-sulfosalicylate revealed the doping
level and the oxidation state between emeraldine and protoemeraldine salt while corresponding studies of the polyaniline base
indicate a small extent of the covalent bonding of 5-sulfosalicylate anions to polyaniline chains.
Keywords: anilinium 5-sulfosalicylate - peroxydisulfate - oxidative polymerization - conducting polymer - Polyaniline
Full paper is available at www.springerlink.com.
Chemical Papers 64 (6) 783–790 (2010)