Cryogenic Gas Sorption in Polymers

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The presentation delves into cryogenic gas sorption, examining the role of fractional free volume (FFV) in determining gas permeability. Utilizing cryogenic experimental data, BET analysis, and the NELF model, it analyses the correlation between BET surface area and permeability, particularly in high-volume polymers. It discusses the consistency of NELF predictions and validates model reliability through experimental data. The conclusion highlights the impact of cryogenic nitrogen sorption in...