화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.21, No.7, 719-725, July, 2013
DOI10.1007/s13233-013-1083-9  Export Citation
Synthesis of sulfonated fluorenyl-containing poly(ether ether ketone ketone)s and their blends with an amino-functionalized poly(ether ether ketone) for fuel cell applications
Long Li, Baijun Liu, Siyuan Liu, Zhuang Liu, Yunwu Yu, Liwei Jing, and Zhenhua Jiang†
  • Alan G. MacDiarmid Institute, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
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A new family of sulfonated fluorenyl-containing poly(ether ether ketone ketone)s (SFPEEKKs) were successfully synthesized through a mild postsulfonation in concentrated sulfuric acid at room temperature. Further, a series of “molecule-enhanced” blend membranes were prepared based on SFPEEKKs and an amino-functionalized poly(ether ether ketone) by the solution casting method. These blend membranes generally showed higher thermal stability, lower swelling ratio and methanol permeability and superior mechanical properties in comparison with pristine SFPEEKK membranes. The results showed that some blend membranes may be promising proton exchange membranes for fuel cell applications.
Keywords:poly(ether ketone)s;sulfonation;blends;proton exchange membranes;fuel cells
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