Journal
APL MATERIALS
Volume 5, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4986565
Keywords
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Funding
- EPSRC [EP/N014960/1]
- EPSRC [EP/N014960/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N014960/1] Funding Source: researchfish
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Mixed-matrix membranes are contemporary nanocomposite materials with many potential applications, from liquid and gas separations to chemical sensors and biomedicine. We report fabrication of a metal-organic framework (MOF)-based nanocomposite, combining polyvinylidene difluoride (PVDF) polymer as the matrix and ZIF-90 nanocrystals of up to 30 wt.% filler content. The focus is to establish the processing-microstructure-mechanical property relationships. We reveal the importance for quantifying salient effects of the filler contents: (i) tensile strength degrades beyond 10 wt.% and (ii) mechanical toughness declines due to membrane embrittlement. These are vital mechanical aspects but widely overlooked in the emergent field of MOF membranes and composites. (C) 2017 Author(s).
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