화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.37, 131-136, May, 2016
DOI10.1016/j.jiec.2016.03.016  Export Citation
The sulfonated poly(phenylene) membranes containing multi-phenylrings prepared by nickel catalyst
Hohyoun Jang, Taehoon Hong, Jiho Yoo, Jaeseung Pyo, Jaeseong Ha, Chaekyun Lee, Kunyoung Choi, Taewook Ryu, Whangi Kim, and Heung-Seok Jeon1, †
  • Department of Applied Chemistry, Konkuk University, Chungju 380-701, Republic of Korea
  • 1Department of Computer Engineering, Konkuk University, Chungju 380-701, Republic of Korea
E-mail:
The poly(phenylene)s containing multi-pendant phenyl were prepared by Ni-catalyzed reaction of 1,2-bis(4-chlorobenzoyl)-3,4,5,6-tetraphenylbenzene and 1,4-dichloro-2,5-dibenzoylbenzene. 1,4-Dichloro-2,5-dibenzoylbenzene is very reactive moiety to increase high molecular weight. These polymers without any ether linkages on polymer backbone were presumably stable against nucleophilic attack by hydrogen peroxide, hydroxide anion, and radical generated in PEMFC operation system. The phenyl rings on side chain were selectively sulfonated, but phenyl rings on main chain were deactivated by strong electron-withdrawing groups and steric hindrance. The structure of membranes was studied by 1H NMR spectroscopy and properties were measured by ion exchange capacity, water uptake, Fenton test and proton conductivity.
Keywords:PEMFC;Nickel catalyst;C-C coupling;π-π interactions. Ion exchange capacity;Proton conductivity
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