Novel piperazinium-mediated crosslinked polyimide membranes for high performance CO2 separation

被引:32
作者
Kammakakam, Irshad [1 ]
Yoon, Hee Wook [2 ]
Nam, SangYong [3 ]
Park, Ho Bum [2 ]
Kim, Tae-Hyun [1 ]
机构
[1] Incheon Natl Univ, Dept Chem, Organ Mat Synth Lab, Inchon 406772, South Korea
[2] Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South Korea
[3] Gyeongsang Natl Univ, Engn Res Inst, Dept Mat Engn & Convergence Technol, Jinju 660701, South Korea
关键词
CO2; separation; Poly(ionic liquid); Crosslinked polyimide; Plasticization; Homogeneous and heterogeneous crosslinking; TEMPERATURE IONIC LIQUIDS; ANION-EXCHANGE MEMBRANES; GAS-SEPARATION; TRANSPORT-PROPERTIES; LINKING; PLASTICIZATION; PERMEABILITY; SUPPRESSION; POLYMERS; CAPTURE;
D O I
10.1016/j.memsci.2015.03.053
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Crosslinked polyimides with a pendant piperazinium bromide acting as both the crosslinker and the CO2-philic functional group have been developed. These ionic-group-mediated crosslinked polyimide membranes showed excellent thermal, mechanical and chemical stabilities, as well as high tolerance to plasticization. Unlike other typical crosslinked polymers, the pendant piperazinium-mediaLed cross linked polyimicle membranes displayed high CO2 permeability of 475.5 Barrer, together with high CO2/CH4 (34.5) and CO2/N-2 (18) perrnselecLiviLies. We also demonstrate that the CO2 separation performances of these membranes can be tuned by changing the crosslinking method. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:90 / 98
页数:9
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