PDMS	Poly(dimethyl siloxane)
XLPEO	Crosslinked Poly(ethylene oxide)
PMMA	Poly (methyl methacrylate)
PVDF	Polyvinylidene fluoride
PPO	Poly(2,6-dimethyl-1,4-phenylene oxide)
CTA	Cellulose triacetate
PTMSP	Poly(1-trimethylsilyl-1-propyne)
6FDA-TADPO	Hexafluoro dianhydride–3,3,4,4-tetraaminodiphenyl oxide polypyrrolone
6FDA-mPDA	4,4′-(hexafluoro isopropylidene) diphtalic dianhydride-m-phenylenediamine
HAB-6FDA	3,3′-dihydroxy-4,4′-diamino-biphenyl 2,2′-bis-(3,4-dicarboxyphenyl) hexafluoropropane dianhydride
TR450	Thermally rearranged derivative of HAB-6FDA
PIM-1	Polybenzodioxane
TZ-PIM	Tetrazole-modified PIM-1
PIM-Trip-TB	Ladder polymer of intrinsic microporosity including a triptycene group
RSE	Relative Standard Error
EoS	Equation of State
LF	Lattice Fluid
NET-GP	Non-Equilibrium Thermodynamics for Glassy Polymers
NELF	Non-Equilibrium Lattice Fluid
SAFT	Statistical Associating Fluid Theory
NRHB	Non-random Hydrogen Bonding
DMS	Dual-Mode Sorption
GAB	Guggenheim−Anderson−de Boer
STM	Standard Transport Model
LJ	Lennard-Jones
BET	Brunauer–Emmet–Teller
MD	Molecular Dynamics
NEMD	Non-Equilibrium Molecular Dynamics
IAST	Ideal Adsorbed Solution Theory
MC	Monte Carlo
GCMC	Grand Canonical Monte Carlo