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Synthesis of the block sulfonated poly(ether ether ketone)s (S-PEEKs) materials for proton exchange membrane

โœ Scribed by Chengji Zhao; Xianfeng Li; Zhe Wang; Zhiyu Dou; Shuangling Zhong; Hui Na

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
374 KB
Volume
280
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