2024
DOI: 10.1002/aic.18471
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De‐carboxylation of cross‐linkable triptycene‐based polyimides for CO2 separation

Xiaoyu Wang,
Fangxu Fan,
Yongchao Sun
et al.

Abstract: Polymer‐based membrane technology holds immense promise for CO2 separation. However, it faces persistent challenges, including the high CO2 pressure‐induced plasticization and permeability‐selectivity trade‐offs, which significantly hinder the development of polymeric membranes. To tackle this issue, we synthesized a novel polyimide 6FDA‐DAT:DABA(6FDD) containing triptycene and carboxylic groups. Upon de‐carboxylation induced cross‐linking, the membrane demonstrated a simultaneous enhancement of gas permeabili… Show more

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