Aging studies on polyaniline: Conductivity and thermal stability

被引：0
|
作者：
Rannou, P. [1 ]
Nechtschein, M. [1 ]
机构：
[1] Cent d'Electronique de, l'Armement-Grenoble, Grenoble, France
来源：
Synthetic Metals | 1997年 / 84卷 / 1 -3 pt 1期
关键词：
Aging of materials - Aromatic polymers - Doping (additives) - Electric conductivity of solids - Electron spin resonance spectroscopy - Morphology - Nitrogen compounds - Nuclear magnetic resonance spectroscopy - Thermodynamic stability;
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摘要：
The effect of aging on the transport properties of PANI-HCl was studied as a function of the morphology and of the environmental conditions. DC conductivity σdc studies and spin dynamic methods (NMR and ESR) on aged polyaniline point to the fact that a large decay of the conductivity takes place at a macroscopic scale whereas only a slight decrease of the intrachain conductivity σintra seen at a microscopic level. Thermal studies under air and nitrogen atmospheres of polyaniline doped with new families of dopant show an important enhancement of the thermostability of protonated polyaniline.
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页码：755 / 756
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