화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.22, No.8, 907-916, August, 2014
DOI10.1007/s13233-014-2125-7  Export Citation
An Imidazolium-Based Ionene Blended with Crosslinked PEO as a Novel Polymer Membrane for Selective CO2 Separation
Irshad Kammakakam, Anil H. N. Rao, Hee Wook Yoon1, SangYong Nam2, Ho Bum Park1, and Tae-Hyun Kim†
  • Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University, Incheon, 406-772, Korea
  • 1WCU Department of Energy Engineering, Hanyang University, Seoul, 133-791, Korea
  • 2Department of Polymer Science and Engineering, Gyeongsang National University, Gyeongnam, 660-701, Korea
E-mail:
A novel imidazolium-based ionene was mixed with a di(ethylene glycol) diacrylate that was subsequently photocrosslinked to form a blend membrane useful for CO2/N2 gas separation. The crosslinked poly(ethylene oxide) (PEO) offered a mechanically stable matrix with a high CO2 affinity. The ionene loading affected both the structure and CO2 separation performance of the blend membranes as demonstrated by varying the ionene content in three levels, 1:1, 2:1, and 3:1 (ionene:crosslinker) by weight. The CO2 solubility of the membrane dramatically increased with the ionene loading level, and a high CO2/N2 permselectivity of 33.5 was obtained for the [3II-cPEO][TFSI]. The imidazolium-based ionene blend membranes prepared with crosslinked PEO (II-cPEO) also displayed good thermal and mechanical stability.
Keywords:imidazolium-based ionene;crosslinked PEO;polymer membranes;gas separation;CO2 solubility.
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