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Novel piperazinium-mediated crosslinked polyimide membranes for high performance CO2 separation
- Issue Date
- Aug-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- CO2 separation; Poly(ionic liquid); Crosslinked polyimide; Plasticization; Homogeneous and heterogeneous crosslinking
- Citation
- JOURNAL OF MEMBRANE SCIENCE, v.487, pp.90 - 98
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MEMBRANE SCIENCE
- Volume
- 487
- Start Page
- 90
- End Page
- 98
- ISSN
- 0376-7388
- Abstract
- 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.
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Related Researcher
- Park, Ho Bum
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)