Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity
Abstract
In this study, two different highly cross-linked benzimidazole linked polymers (BILPs) displaying high surface area were successfully incorporated into Matrimid polymer to form a series of new mixed matrix membranes (MMMs). The surface functionality of the BILPs, BILP-4 and BILP-101, were exploited to assure the interaction with the Matrimid matrix and produce robust MMMs, which displayed significantly improved CO2 gas permeability. The ideal selectivities for CO2/N2 were calculated with enhancements as high as 34% at 15 wt% BILP loading. While BILP-4 and BILP-101 have similar structures and functionality, the two materials have notably different surface areas and CO2 adsorption capacity. Despite the differences in their gas adsorption properties, MMMs composed of Matrimid/BILP-4 and Matrimid/BILP-101 had very similar gas transport properties. Lastly, these results suggest that the functional groups of the filler particle and the resulting interaction with the polymer matrix may have had more influence on the gas separation properties of the mixed matrix membrane than the adsorption properties of the fillers.
- Authors:
-
- Virginia Commonwealth Univ., Richmond, VA (United States). Department of Chemistry
- National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); AECOM, Pittsburgh, PA (United States)
- National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)
- Publication Date:
- Research Org.:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1482370
- Grant/Contract Number:
- FE0004000; SC0002576
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Membrane Science
- Additional Journal Information:
- Journal Volume: 554; Journal Issue: C; Journal ID: ISSN 0376-7388
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Tessema, Tsemre Dingel M., Venna, Surendar R., Dahe, Ganpat, Hopkinson, David P., El-Kaderi, Hani M., and Sekizkardes, Ali K. Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity. United States: N. p., 2018.
Web. doi:10.1016/j.memsci.2018.02.054.
Tessema, Tsemre Dingel M., Venna, Surendar R., Dahe, Ganpat, Hopkinson, David P., El-Kaderi, Hani M., & Sekizkardes, Ali K. Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity. United States. https://doi.org/10.1016/j.memsci.2018.02.054
Tessema, Tsemre Dingel M., Venna, Surendar R., Dahe, Ganpat, Hopkinson, David P., El-Kaderi, Hani M., and Sekizkardes, Ali K. Tue .
"Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity". United States. https://doi.org/10.1016/j.memsci.2018.02.054. https://www.osti.gov/servlets/purl/1482370.
@article{osti_1482370,
title = {Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity},
author = {Tessema, Tsemre Dingel M. and Venna, Surendar R. and Dahe, Ganpat and Hopkinson, David P. and El-Kaderi, Hani M. and Sekizkardes, Ali K.},
abstractNote = {In this study, two different highly cross-linked benzimidazole linked polymers (BILPs) displaying high surface area were successfully incorporated into Matrimid polymer to form a series of new mixed matrix membranes (MMMs). The surface functionality of the BILPs, BILP-4 and BILP-101, were exploited to assure the interaction with the Matrimid matrix and produce robust MMMs, which displayed significantly improved CO2 gas permeability. The ideal selectivities for CO2/N2 were calculated with enhancements as high as 34% at 15 wt% BILP loading. While BILP-4 and BILP-101 have similar structures and functionality, the two materials have notably different surface areas and CO2 adsorption capacity. Despite the differences in their gas adsorption properties, MMMs composed of Matrimid/BILP-4 and Matrimid/BILP-101 had very similar gas transport properties. Lastly, these results suggest that the functional groups of the filler particle and the resulting interaction with the polymer matrix may have had more influence on the gas separation properties of the mixed matrix membrane than the adsorption properties of the fillers.},
doi = {10.1016/j.memsci.2018.02.054},
journal = {Journal of Membrane Science},
number = C,
volume = 554,
place = {United States},
year = {2018},
month = {3}
}
Web of Science
Figures / Tables:

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Works referencing / citing this record:
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Figures / Tables found in this record: