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Table 2 Permeation results of pure polymer and mixed-matrix membrane under 1 bar of upstream pressure with air (21/79 O2/N2) at 35 °C

From: Incorporation of Cu3BTC2 nanocrystals to increase the permeability of polymeric membranes in O2/N2 separation

Membrane O2 permeability (barrier) % Enhancement O2/N2 selectivity % Enhancement
Polysulfone 2.01 ± 0.12 4.23 ± 0.25
Polysulfone + 10 wt% Cu3BTC2 3.80 ± 0.12 89 4.85 ± 0.10 15
Polysulfone + 20 wt% Cu3BTC2 9.62 ± 0.58 379 4.71 ± 0.08 11
Matrimid 2.72 ± 0.27 5.97 ± 0.06
Matrimid + 10 wt% Cu3BTC2 4.12 ± 0.29 52 6.13 ± 0.38 3
Matrimid + 20 wt% Cu3BTC2 5.59 ± 0.37 106 6.18 ± 0.21 4