000148633 001__ 148633
000148633 005__ 20250121144848.0
000148633 0247_ $$2doi$$a10.1002/adfm.201203462
000148633 0248_ $$2sideral$$a85410
000148633 037__ $$aART-2014-85410
000148633 041__ $$aeng
000148633 100__ $$aRodenas, T.
000148633 245__ $$aVisualizing mof mixed matrix membranes at the nanoscale: towards structure-performance relationships in co2/ch4 separation over nh2-mil-53(al)@pi
000148633 260__ $$c2014
000148633 5060_ $$aAccess copy available to the general public$$fUnrestricted
000148633 5203_ $$aMixed matrix membranes (MMMs) composed of metal organic framework (MOF) fillers embedded in a polymeric matrix represent a promising alternative for CO2 removal from natural gas and biogas. Here, MMMs based on NH2-MIL-53(Al) MOF and polyimide are successfully synthesized with MOF loadings up to 25 wt% and different thicknesses. At 308 K and ΔP = 3 bar, the incorporation of the MOF filler enhances CO2 permeability with respect to membranes based on the neat polymer, while preserving the relatively high separation factor. The rate of solvent evaporation after membrane casting proves key for the final configuration and dispersion of the MOF in the membrane. Fast solvent removal favours the contraction of the MOF structure to its narrow pore framework configuration, resulting in enhanced separation factor and, particularly, CO2 permeability. The study reveals an excellent filler-polymer contact, with ca. 0.11% void volume fraction, for membranes based on the amino-functionalized MOF, even at high filler loadings (25 wt%). By providing precise and quantitative insight into key structural features at the nanoscale range, the approach provides feedback to the membrane casting process and therefore it represents an important advancement towards the rational design of mixed matrix membranes with enhanced structural features and separation performance.
000148633 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
000148633 590__ $$a11.805$$b2014
000148633 591__ $$aCHEMISTRY, PHYSICAL$$b9 / 138 = 0.065$$c2014$$dQ1$$eT1
000148633 591__ $$aMATERIALS SCIENCE, MULTIDISCIPLINARY$$b12 / 257 = 0.047$$c2014$$dQ1$$eT1
000148633 591__ $$aCHEMISTRY, MULTIDISCIPLINARY$$b12 / 154 = 0.078$$c2014$$dQ1$$eT1
000148633 591__ $$aNANOSCIENCE & NANOTECHNOLOGY$$b6 / 78 = 0.077$$c2014$$dQ1$$eT1
000148633 591__ $$aPHYSICS, CONDENSED MATTER$$b8 / 66 = 0.121$$c2014$$dQ1$$eT1
000148633 591__ $$aPHYSICS, APPLIED$$b7 / 141 = 0.05$$c2014$$dQ1$$eT1
000148633 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000148633 700__ $$aVan Dalen, M.
000148633 700__ $$aGarcía-Pérez, E.
000148633 700__ $$aSerra-Crespo, P.
000148633 700__ $$0(orcid)0000-0002-9934-1707$$aZornoza, B.
000148633 700__ $$aKapteijn, F.
000148633 700__ $$aGascon, J.
000148633 773__ $$g24, 2 (2014), 249-256$$pAdv. funct. mater.$$tAdvanced Functional Materials$$x1616-301X
000148633 8564_ $$s343179$$uhttps://zaguan.unizar.es/record/148633/files/texto_completo.pdf$$yPostprint
000148633 8564_ $$s1636630$$uhttps://zaguan.unizar.es/record/148633/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint
000148633 909CO $$ooai:zaguan.unizar.es:148633$$particulos$$pdriver
000148633 951__ $$a2025-01-21-14:47:52
000148633 980__ $$aARTICLE