Comparative studies of chemically synthesized polyaniline and poly(o-toluidine) doped with p-toluene sulphonic acid

被引：108

作者：

Kulkarni, MV ^{[1
]}

Viswanath, AK ^{[1
]}

机构：

[1] Ctr Mat Elect Technol, Photon & Adv Mat Lab, Pune 411008, Maharashtra, India

来源：

EUROPEAN POLYMER JOURNAL | 2004年 / 40卷 / 02期

关键词：

polyaniline; poly(o-toluidine); chemical polymerization; characterization;

D O I：

10.1016/j.eurpolymj.2003.10.007

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polyaniline and poly(o-toluidine) doped with p-toluene sulphonic acid (p-TSA) were synthesized by in situ chemical polymerization method using ammonium per sulphate as an oxidizing agent. This is a novel polymerization process for the direct synthesis of emeraldine salt phase of the polymer. The polymers were characterized by using UV-Vis and FT-IR spectroscopy, SEM, elemental analyzer, TGA/DSC and conductivity measurements. Thermal analysis shows that poly(o-toluidine) is less thermally stable compared to polyaniline. The less conductivity in poly(o-toluidine) is due to the cumulative steric as well as electronic effect of the bulky methyl substituent present on the benzene ring. High temperature conductivity measurements show 'thermal activated behavior'. (C) 2003 Published by Elsevier Ltd.

引用

页码：379 / 384

页数：6

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