Existence of the Schroeder paradox with a Nafion membrane? Small-angle x-ray scattering analysis

被引:13
作者
Cornet, N [1 ]
Gebel, G [1 ]
de Geyer, A [1 ]
机构
[1] CEA Grenoble, Grp Polymere Conducteur Ion, Dept Rech Fondamentale, F-38054 Grenoble 9, France
来源
JOURNAL DE PHYSIQUE IV | 1998年 / 8卷 / P5期
关键词
D O I
10.1051/jp4:1998509
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Water uptake of perfluorinated ionomer membranes (Nafion(R)) is studied by small angles X-rays scattering (SAXS). The purpose is to determine if these membranes are subjected to the Schroeder paradox. This paradox is defined as a difference of water uptake for a membrane immersed in water or balanced in presence of a satured vapor pressure. Results from SAXS measurements indicate that the appearance of the paradox is dependent on the pretraitement of the membrane because of its water uptake memory.
引用
收藏
页码:63 / 68
页数:6
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