高等学校化学学报2012，Vol.33Issue(5)：1100-1105,6.DOI:10.3969/j.issn.0251-0790.2012.05.043
侧链含有全氟磺酸的聚芳醚砜质子交换膜材料的制备及性能
Synthesis and Properties of Poly (aryl ether sulfones) Functionalized with Pendant Perfluoroalkyl Sulfonic Acid for Proton Exchange Membrane
摘要
Abstract
A novel poly(arylene ether sulfone) with a perfluoroalkyl sulfonic acid pendant ( PES-PSA) was synthesized by Ullman coupling of poly {oxy-4,4'-[2-(4'-bromophenyl ene)biphenylene]oxy-4,4'-diphenyl-sulfone 1 (PES-Br) and potassium 1,1,2,2-tetrafluoro-2-(l ,1,2,2-tetiafluoro-2-iodo-ethoxy)ethane9ulfonate ( PSA-K). The introduction of the perfluoroalkyl sulfonic acids was successfully carried out with high conversion (c. a. 50% ) to yield the desired polymer. Even with a low ion exchange capacity(IEC) of 0.907 meq. / g, PES-PSA exhibited a high proton conductivity of 0.039 S/cm at 80 ℃ under 100% relative humidity. The low IEC makes the membrane own good dimensional stability and thermal stability. Other membrane properties , such as thermal properties and water uptake were also investigated in detail.关键词
全氟磺酸/聚芳醚砜/质子交换膜Key words
Perfluoroalkyl sulfonic acid/ Poly(aryl ether sulfones)/ Proton exchange membrane分类
化学化工引用本文复制引用
王永鹏,岳喜贵,庞金辉,李雪峰,李娜,张海博,姜振华..侧链含有全氟磺酸的聚芳醚砜质子交换膜材料的制备及性能[J].高等学校化学学报,2012,33(5):1100-1105,6.基金项目
国家自然科学基金(批准号:51103060)和吉林省科技发展计划项目(批准号:20106020)资助. （批准号:51103060）
