Journal
POLYMER COMPOSITES
Volume 40, Issue 7, Pages 2954-2958Publisher
WILEY
DOI: 10.1002/pc.25135
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Funding
- National Research Foundation of Korea [2017R1D1A1B03032583]
- Korea Institute of Energy Technology Evaluation and Planning [20122010100040]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20122010100040] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2017R1D1A1B03032583] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Highly selective composite membranes were prepared using 1-butyl-3-methyl imidazolium tetrafluoroborate (BMIM+BF4-) and rod-shaped aluminum oxide onto polysulfone support. The BMIM+BF4-/ rod-shaped Al2O3 composite membrane with 50-nm nanoparticles (NPs) showed a CO2 permeance of 39.3 GPU and a CO2/N-2 selectivity of 43.7. Rod-like 50-nm NPs in ionic liquids showed better performance than spherical 13-nm NPs in membranes using the same weight ratio and same support. These results indicate that the shape of the NPs has a greater effect on CO2 transport than the size of the NPs. The chemical and physical properties of this composite membrane were characterized by transmission electron microscopy, scanning electron microscopy, Raman spectroscopy, and thermogravimetric analysis. POLYM. COMPOS., 40:2954-2958, 2019. (c) 2018 Society of Plastics Engineers
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