Sulfonated fluorovinylene aromatic ether polymers for proton exchange membranes

被引：16
|
作者：
Iacono, Scott T.
Ewald, Dirk
Sankhe, Amit
Rettenbacher, Arno
Smith, Dennis W., Jr. [1 ]
机构：
[1] Clemson Univ, Dept Chem, Clemson, SC 29634 USA
[2] Clemson Univ, COMSET, Clemson, SC 29634 USA
来源：
HIGH PERFORMANCE POLYMERS | 2007年 / 19卷 / 5-6期
关键词：
sulfonation; fluorinated polymers; perfluorocyclobutyl (PFCB) aryl ether polymers; proton exchange; membranes (PEMs); conductivity;
D O I：
10.1177/0954008307081200
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new semi-fluorinated perfluorocyclobutyl (PFCB) aryl ether containing polymer was prepared in high yield via the condensation of a commercial 4,4'-((1,2,3,3,4,4-hexafluorocyclobutane-1,2diyl)bis(oxy))bisphenol (bisphenol T) and bis(trifluorovinyloxyether)biphenyl producing transparent, flexible films. The polymer system was structurally characterized using H-1 and F-19 NMR and exhibited a high degree of thermal stability as determined by thermogravimetric analysis capacity. The sulfonated analogue showed the highest degree of sulfonation at 27% from ion-exchange chromatography, producing a conductivity of 0.011 S cm(-1) at 100% relative humidity.
引用
收藏
页码：581 / 591
页数：11
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