Studies on water soluble conducting polymer -: Aniline initiated polymerization of m-aminobenzene sulfonic acid

被引：58

作者：

Roy, BC ^{[1
]}

Gupta, MD ^{[1
]}

Bhowmik, L ^{[1
]}

Ray, JK ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Kharagpur 721302, W Bengal, India

来源：

SYNTHETIC METALS | 1999年 / 100卷 / 02期

关键词：

poly(m-amino benzene sulfonic acid); water soluble; conducting polymer; synthesis;

D O I：

10.1016/S0379-6779(98)01505-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The synthesis of poly(m-aminobenzene sulfonic acid) homopolymer (PABS), by aniline initiated polymerization of m-aminobenzene sulfonic acid using ammonium persulfate oxidation has been attempted. The water soluble polymer PABS thus synthesized was characterized by IR, UV, TG-DSC, H-1-NMR, SEM and ESR spectroscopic techniques. A co-ordinated IR and thermal analysis (TG, DSC) indicate that thermal desulfonation occurs preferentially in PABS-Na compared to PABS, commencing at 310 degrees C and 370 degrees C, respectively. The steric hindrance due to the large ortho substitution causes lowering of conductivity of PABS and its Na-salt which was found to be 5.4 X 10(-5) S/cm and 2.4 x 10(-6) S/cm, respectively. The ESR spectra show that the polymer to be strongly paramagnetic with a g value of 2.0013. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：233 / 236

页数：4

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