Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO2/N2 selectivity

doi:10.1016/j.memsci.2018.02.054

Title: Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO ₂/N ₂ 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 CO ₂ gas permeability. The ideal selectivities for CO ₂/N ₂ 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 CO ₂ 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:

Tessema, Tsemre Dingel M. ^[1]; Venna, Surendar R. ^[2]; Dahe, Ganpat ^[3]; Hopkinson, David P. ^[3]; El-Kaderi, Hani M. ^[1]; Sekizkardes, Ali K. ^[2]

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:: 2018-03-06

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.

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                    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.  doi:10.1016/j.memsci.2018.02.054.

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                    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.  doi:10.1016/j.memsci.2018.02.054.  https://www.osti.gov/servlets/purl/1482370.

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@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}

}

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Journal Article:

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DOI: 10.1016/j.memsci.2018.02.054

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Figure 1: Chemical structures of BILP-4 and BILP-101 polymers.

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Title: Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO 2/N 2 selectivity

Abstract

Citation Formats

Figures / Tables:

Title: Incorporation of benzimidazole linked polymers into Matrimid to yield mixed matrix membranes with enhanced CO ₂/N ₂ selectivity