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Table 2 Comparison of gas permeation results of PIM-1, MMM of f-MWCNTs and MWCNTs

From: Functionalized carbon nanotubes mixed matrix membranes of polymers of intrinsic microporosity for gas separation

Membrane

Permeance (Nm3/(m2 h 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

  1. aSelective thin layer thickness considered constant as 0.75 μm from SEM images.
  2. b 1 B a r r e r = 1 × 10 10 · c m 3 S T P · c m c m 2 · sec · c m H g .

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