Thermal stability and decomposition of nafion® membranes with different cations

被引：0
|
作者：
L. G. Lage
P. G. Delgado
Y. Kawano
机构：
[1] Universidade de Săo Paulo,Instituto de Química
来源：
Journal of Thermal Analysis and Calorimetry | 2004年 / 75卷
关键词：
Nafion; high-resolution thermogravimetry; perfluorosulfonated ionomers;
D O I：
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学科分类号：
摘要：
The thermal decomposition of Nafion has been studied by means of high-resolution and constant heating rate thermogravimetry (TG), under nitrogen and synthetic air atmospheres. Nafion membranes have been studied in acid and salt (alkali chlorides) forms. The TG curves of Nafion with alkali countercations show similar profiles, whichever the atmosphere employed. The kinetics of thermal decomposition of the Nafion-Cs+ has also been studied. The method employed to calculate the kinetic parameters and to estimate the polymer lifetime from the data was based on Kissinger's method.
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页码：521 / 530
页数：9
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