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Open AccessFeature PaperArticle

Synthesis and Transport Properties of Novel MOF/PIM-1/MOF Sandwich Membranes for Gas Separation

1
Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/C, Rende (CS) 87036, Italy
2
School of Chemistry, University of Manchester, Manchester M13 9PL, UK
*
Authors to whom correspondence should be addressed.
Academic Editor: Tai-Shung Chung
Membranes 2017, 7(1), 7; https://doi.org/10.3390/membranes7010007
Received: 20 December 2016 / Revised: 24 January 2017 / Accepted: 25 January 2017 / Published: 11 February 2017
(This article belongs to the Special Issue Feature Papers)
Metal-organic frameworks (MOFs) were supported on polymer membrane substrates for the fabrication of composite polymer membranes based on unmodified and modified polymer of intrinsic microporosity (PIM-1). Layers of two different MOFs, zeolitic imidazolate framework-8 (ZIF-8) and Copper benzene tricarboxylate ((HKUST-1), were grown onto neat PIM-1, amide surface-modified PIM-1 and hexamethylenediamine (HMDA) -modified PIM-1. The surface-grown crystalline MOFs were characterized by a combination of several techniques, including powder X-ray diffraction, infrared spectroscopy and scanning electron microscopy to investigate the film morphology on the neat and modified PIM-1 membranes. The pure gas permeabilities of He, H2, O2, N2, CH4, CO2 were studied to understand the effect of the surface modification on the basic transport properties and evaluate the potential use of these membranes for industrially relevant gas separations. The pure gas transport was discussed in terms of permeability and selectivity, highlighting the effect of the MOF growth on the diffusion coefficients of the gas in the new composite polymer membranes. The results confirm that the growth of MOFs on polymer membranes can enhance the selectivity of the appropriately functionalized PIM-1, without a dramatic decrease of the permeability. View Full-Text
Keywords: composite membrane; polymer of intrinsic microporosity; metal-organic framework; gas permeation composite membrane; polymer of intrinsic microporosity; metal-organic framework; gas permeation
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MDPI and ACS Style

Fuoco, A.; Khdhayyer, M.R.; Attfield, M.P.; Esposito, E.; Jansen, J.C.; Budd, P.M. Synthesis and Transport Properties of Novel MOF/PIM-1/MOF Sandwich Membranes for Gas Separation. Membranes 2017, 7, 7. https://doi.org/10.3390/membranes7010007

AMA Style

Fuoco A, Khdhayyer MR, Attfield MP, Esposito E, Jansen JC, Budd PM. Synthesis and Transport Properties of Novel MOF/PIM-1/MOF Sandwich Membranes for Gas Separation. Membranes. 2017; 7(1):7. https://doi.org/10.3390/membranes7010007

Chicago/Turabian Style

Fuoco, Alessio; Khdhayyer, Muhanned R.; Attfield, Martin P.; Esposito, Elisa; Jansen, Johannes C.; Budd, Peter M. 2017. "Synthesis and Transport Properties of Novel MOF/PIM-1/MOF Sandwich Membranes for Gas Separation" Membranes 7, no. 1: 7. https://doi.org/10.3390/membranes7010007

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