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Oxidative polymerization of anilinium 5-sulfosalicylate with peroxydisulfate in water

✍ Scribed by Budimir Marjanović; Ivan Juranić; Slavko Mentus; Gordana Ćirić-Marjanović; Petr Holler

Book ID
111491399
Publisher
Versita
Year
2010
Tongue
English
Weight
342 KB
Volume
64
Category
Article
ISSN
0366-6352

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✦ Synopsis

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.

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## Abstract **Summary:** Peroxidase‐catalyzed oxidative polymerization of phenol has been examined using the template, poly(ethylene glycol) monododecyl ether (PEGMDE), in water. The role of this template, which forms a complex with phenol in the polymerization, was verified by UV measurements. Dur