Table 2
Comparison of gas permeation results of PIM-1, MMM of f-MWCNTs and MWCNTs
Membrane Permeance (Nm3/(m2h bar)) Permeabilitya(Barrer)b
O2 N2 CO2 CH4 O2 N2 CO2 CH4
PIM-1 1.93 0.69 19.4 1.26 533 190 5,360 348
f-MWCNTs/PIM-1 MMM 2.19 0.78 25.7 2.47 605 215 7,090 682
Pristine MWCNTs/PIM-1 MMM 3.46 1.36 22.2 2.74 955 375 6,130 756

aSelective thin layer thickness considered constant as 0.75 μm from SEM images.

b<a onClick="popup('http://www.nanoscalereslett.com/content/7/1/504/mathml/M3','MathML',630,470);return false;" target="_blank" href="http://www.nanoscalereslett.com/content/7/1/504/mathml/M3">View MathML</a>.

Khan et al. Nanoscale Research Letters 2012 7:504   doi:10.1186/1556-276X-7-504

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