Table 1.

Dual-sorption parameters (Henry’s law constant (k_D), maximum Langmuir capacity (C’_H) and Langmuir affinity (b) for CO₂ in PIM-1 membrane at 35 °C.

Parameter	This Work	Mason et al. [10]
kD (cm3/cm3 atm)	1.3 ± 0.1	3.86
C’H (cm3/cm3)	56 ± 2	52.8
b (atm−1)	0.52 ± 0.03	0.706