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Fabrication of sulfonated poly(ether ether ketone ketone) membranes with high proton conductivity

โœ Scribed by Xianfeng Li; Xiufeng Hao; Dan Xu; Gang Zhang; Shuangling Zhong; Hui Na; Dayang Wang

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
266 KB
Volume
281
Category
Article
ISSN
0376-7388

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## Abstract A series of sulfonated poly(ether sulfone ether ketone ketone) (SPESEKK) with different degree of sulfonation (DS) are prepared by the postsulfonation of PESEKK using chlorosulfonic acid as sulfonating agent and concentrated sulfuric acid as solvent. The chemical structures of the polym