A new supramolecular sulfonated polyimide for use in proton exchange membranes for fuel cells

被引：38
|
作者：
Ye, Yun-Sheng [1 ]
Huang, Yao-Jheng [1 ]
Cheng, Chih-Chia [1 ]
Chang, Feng-Chih [1 ]
机构：
[1] Natl Chiao Tung Univ, Inst Appl Chem, Hsinchu 30050, Taiwan
来源：
CHEMICAL COMMUNICATIONS | 2010年 / 46卷 / 40期
关键词：
CHAIN POLYMERS; CROSS-LINKING; ASSOCIATION; SULFONE)S; NETWORKS; MOIETIES; SYSTEMS; BLEND; ACID;
D O I：
10.1039/c0cc02325f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Uracil-terminated telechelic sulfonated polyimides (SPI-U) were transformed into noncovalent network membranes through biocomplementary hydrogen bonding recognition in the presence of an adenine-based crosslinking agent. SPI-U membrane exhibited dramatically improved methanol permeability, oxidative stability, proton conductivity, and selectivity relative to those of the standard SPI.
引用
收藏
页码：7554 / 7556
页数：3
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