Table 5.

Performance comparison of some recently reported FTMs.

Polymer	Carrier	Condition	Gas Pair	Separation Performance	Neat	References
Pebax	Aniline molecule (50 wt%)	7 bar, 25 °C	CO2, N2 Binary CO2, N2 (20%, 80%)	α = 92.5; PCO2 = 151 Barrer α = 68; PCO2 = 123 Barrer	α = 22.2; PCO2 = 75 Barrer α =19; PCO2 = 83 Barrer	[122]
PES	[DMAPAH][F]- Fluorion-based protic ionic liquids (FPILs)	0.1 bar, 40 °C (water content 40%)	CO2, N2 CO2, CH4	α = 774; PCO2 = 2572 Barrer α = 387; PCO2 = 2572 Barrer	-	[123]
PVA-PEG-GA (Glutaraldehyde)	(PETIM)– Amine-rich poly(ether imine)	2 bar, 30 °C	CO2, N2	α = 56; PCO2 = 207.7 Barrer	-	[124]
γ-Al2O3	[Emim] [Tf2N]-ionic liquid	1.5 bar, 30 °C	CO2, N2	α = 27; PCO2 = 23 GPU	-	[125]
ILPPO	(Br-6-MPRD)– 1-bromohexyl-1 methylpiperidinium bromide	1 bar, 25 °C	CO2, N2 CO2, O2	α = 12.94; PCO2 = 907 Barrer α = 14.9; PCO2 = 907 Barrer	α = 6.21; PCO2 = 70 Barrer α = 5.15; PCO2 = 70 Barrer	[126]
PES	([bmim][PhO])1-butyl-3-methylimidazolium phenolate	0.1 bar, 40 °C	CO2, N2	α = 135; PCO2 = 2020 Barrer (Dry) α = 127; PCO2 = 2540 Barrer (Wet)	-	[3]
PES	[DMAPAH] [MOAc]	0.1 bar, 40 °C	CO2, N2	α = 66; PCO2 = 1391 Barrer	-	[128]
PVDF	[Bmim][Ac] [Bmim][BF4]	0.1 bar, 30 °C	H2S/CH4 H2S/CO2 H2S/CH4 H2S/CO2	α = 142; PH2S = 5279 Barrer α = 11.9; PCO2 = 443 Barrer α = 40; PH2S = 3708 Barrer α = 3.5; PCO2 = 1056 Barrer		[129]
PIM-COP	[C6mim][Tf2N] embedded	-	CO2, N2	α = 30; PCO2 = 800 Barrer	α = 19; PCO2 = 7440 Barrer	[130]