Table 1.

Permeability of the mixed membranes.

Membrane	Filler loading (wt%)	Membrane thickness (μm)	O2 (Barrer)	N2 (Barrer)	CO2 (Barrer)
PSF	0	29	0.79 ± 0.05	0.09 ± 0.01	3.56 ± 0.09
MCM-41/PSF	5	30	1.21 ± 0.06	0.18 ± 0.01	4.56 ± 0.09
MCM-41-NH2/PSF	5	30	1.2 ± 0.06	0.16 ± 0.01	4.25 ± 0.09
MCM-41/PSF	10	30	1.55 ± 0.07	0.2 ± 0.01	6.45 ± 0.10
MCM-41-NH2/PSF	10	30	1.51 ± 0.07	0.18 ± 0.01	6.15 ± 0.10
MCM-41/PSF	20	31	1.78 ± 0.08	0.22 ± 0.01	8.08 ± 0.10
MCM-41-NH2/PSF	20	31	1.63 ± 0.07	0.19 ± 0.01	7.89 ± 0.10