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ZIF‐11/Matrimid® mixed matrix membranes for efficient CO2, CH4, and H2 separations

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  • Ahenk Burcu Yumru
  • Mehtap Safak Boroglu
  • Ismail Boz

Abstract

Zeolitic imidazolate framework ZIF‐11 particles were prepared and mixed with Matrimid® 5218 polyimide, from 0 to 40 wt. % loadings. The ZIF‐11 particles and the Matrimid® 5218 polyimide matrix were studied using differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), X‐Ray diffraction (XRD), infrared spectroscopy (FT‐IR), and scanning electron microscopy (SEM) techniques. Surface and cross‐sectional scanning electron microscopy images of the mixed matrix membranes (MMMs) were taken to examine the dispersion of particles in the polymer matrix. No visible agglomeration between ZIF‐11 particles and the polymer matrix was spotted, even at 40 wt. % ZIF‐11 loading. Mixed matrix membranes were described by the measured permeabilities of H2, CO2 and CH4 gases. Ideal gas selectivities were determined. Permeability of all gases increased with increasing ZIF‐11 percentages. The permeabilities for all gases decreased at 40 wt. % loading, and the CO2/CH4, and H2/CH4 selectivities were increased. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd.

Suggested Citation

  • Ahenk Burcu Yumru & Mehtap Safak Boroglu & Ismail Boz, 2018. "ZIF‐11/Matrimid® mixed matrix membranes for efficient CO2, CH4, and H2 separations," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 8(3), pages 529-541, June.
  • Handle: RePEc:wly:greenh:v:8:y:2018:i:3:p:529-541
    DOI: 10.1002/ghg.1760
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