Preparation and properties of highly branched sulfonated poly(ether ether ketone)s doped with antioxidant 1010 as proton exchange membranes
作者： Lei Wang , Ke Li , Guangming Zhu , Junqin Li
DOI: 10.1016/J.MEMSCI.2011.06.015
关键词:
摘要: Abstract The branched sulfonated poly(ether ether ketone)s, derived from bisphenol fluorene, 1,1,1-tris(4-hydroxyphenyl)ethane, difluorobenzophenone and 4,4′-difluorobenzophenone, were synthesized by potassium carbonate mediated nucleophilic polycondensation reaction. highly polymer/antioxidant composites prepared using antioxidant 1010 as a functional additive in order to further improve the properties of polymer. soluble polar organic solvents, such NMP, DMAc, DMSO DMF, could be readily cast form tough smooth films. membranes exhibited excellent oxidative stability, good proton conductivity thermal stability. maximum stability with 5 wt% was about 1.5 times larger than that sample without antioxidant. results showed adding an effective way membranes.
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