Journal
JOURNAL OF MEMBRANE SCIENCE
Volume 455, Issue -, Pages 1-6Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2013.12.062
Keywords
Sulfonated polyimides; Polyacylation; Proton-exchange membranes
Categories
Funding
- National Basic Research Program [2012CB932800]
- National High Technology Research and Development Program 863 [2012AA03A608]
- National Natural Science Foundation of China [51273185]
- China Postdoctoral Science Foundation [2012M521234]
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A novel perylenebisimides monomer N, N'-Di(4-phenoxyphenyl)perylenc-3,4,9,10-Letracarboxylic diimide (PBI-1) was successfully synthesized by direct imidization of 4-phenoxyaniline with 3,4,9,10-Perylenetetracarboxylic dianhydride (PTDA). Then a series of sullonated polyimides with different ion exchange capacities (IECs) was obtained from a facile polyacylation reaction of PBI-1 with a side-chaintype sullonated aromatic monomer, disodium 2,2-di(sullopropyloxy)-biphenyl (SBP) and 4,4-oxydibenzoic acid under mild conditions. The obtained membrane shows good hydrophilic characteristic and high proton conductivity with a relatively low linear swelling ratio due to the pi-conjugation derived from the Flat perylene structure. Consequently, this material proved to be promising as a proton exchange membrane. (C) 2014 Elsevier B.V. All rights reserved
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