Chemical oxidative polymerization of dianilinium 5-sulfosalicylate

被引：10

作者：

Ciric-Marjanovic, G.

Janosevic, A. ^{[1
]}

Marjanovic, B.

Trchova, M. ^{[2
]}

Stejskal, J. ^{[2
]}

Holler, P. ^{[2
]}

机构：

[1] Univ Belgrade, Fac Phys Chem, Belgrade 11001, Serbia

[2] Acad Sci Czech Republic, Inst Macromol Chem, Prague 16206 6, Czech Republic

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2007年 / 81卷 / 09期

关键词：

D O I：

10.1134/S0036024407090130

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Dianilinium 5-sulfosalicylate was prepared in situ and then oxidized in aqueous solution with ammonium peroxydisulfate. The precipitated polyaniline 5-sulfosalicylate was soluble in polar aprotic solvents and showed conductivity of similar to 0.1 S cm(-1). Scanning electron microscopy revealed the coexistence of nanorods and granular morphology of the polyaniline 5-sulfosalicylate. The weight-average molecular weight and polydispersity index were determined by gel-permeation chromatography as 53000 and 9.0, respectively. FTIR spectroscopic analysis combined with AM1 and MNDO-PM3 semi-empirical quantum chemical studies of the polymerization mechanism indicate both covalent and ionic bonding of sulfosalicylate to polyaniline chains. Raman spectroscopy proved the presence of substituted phenazine structural units besides ordinary emeraldine segments.

引用

页码：1418 / 1424

页数：7

共 26 条

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