Hybrid silica-polyimide composite membranes: Gas transport properties

By C. Cornelius, E. Marand. 2002

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How the shape of fillers affects the barrier properties of polymer/non-porous particles nanocomposites: A review (2018, methodology): “[49]], TiO2 nanoparticles [Zoppi et al.”
Inorganic Nanomaterials in Polymeric Ultrafiltration Membranes for Water Treatment (2015, background): “Similar observations have been made previously, and it is well agreed that SiO2 nanoparticles yield more filler/polymer interfacial area and provide more opportunity to disrupt polymer chain packing, hence resultomg in the systematic enlargement of the average size of the free volume and a decrease ”
Polysulfone/silica nanoparticle mixed-matrix membranes for gas separation (2008, result): “In this study, the presence of excess void volume can be explained as a result of a lower measured density (shown in Table 1) than the theoretically calculated density [39] of PSf/silica MMMs.”
Crosslinked mixed matrix membranes for the purification of natural gas: Effects of sieve surface modification (2008, unknown): “These techniques seek to optimize adhesion between the dispersed phase and continuous atrix to provide membrane properties that transcend Robeson’s tradeoff upper bound curve between permeability and selectivity.”