Unprecedented gas separation performance of a difluoro-functionalized triptycene-based ladder PIM membrane at low temperature
Xiaohua Ma, Zhiyang Zhu, Wenxiong Shi, Wenhui Ji, Jianxin Li, Yingge Wang, Ingo Pinnau
Abstract
A novel fluorinated triptycene-derived ladder PIM (DFTTB) showed an unprecedented O<sub>2</sub>/N<sub>2</sub> selectivity of 10.1 and O<sub>2</sub> permeability of 137 barrer at −30 °C that provides new opportunities for low temperature air separation applications.
Topics & Concepts
TriptyceneBarrerSelectivityMembraneGas separationPermeability (electromagnetism)Materials scienceAir separationChemical engineeringChemistryNanotechnologyOrganic chemistryCatalysisEngineeringOxygenBiochemistryMembrane Separation and Gas TransportMuon and positron interactions and applicationsGraphene research and applications