July 5, 2026ACS Applied Polymer Materials
A Poly(tetrafluoroethylene)-Based Composite Membrane with Tunable Covalent Triazine Framework and Polyaniline Modification for Efficient CO 2 Separation
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Implication
Randomized trial investigates CO2 separation efficiency in composite membranes, suggesting improved material design leads to higher performance.
Key Points
- This research aims to develop high-performance membranes for efficient CO2 separation using a composite material approach.
- Synthesis of covalent triazine framework (CTF-1) using trifluoromethanesulfonic acid and terephthalonitrile.
- Fabrication of PTFE/CTF-1 composite membrane using spin coating with varying coating speeds.
- Exploratory fabrication of PTFE/CTF-1/PANI composite membranes by regulating polymerization time.
- PTFE/CTF-1 composite membranes show CO2 permeance of 548 GPU and CO2/N2 selectivity of 17 at 3000 rpm spin coating speed.
- PTFE/CTF-1/PANI composite membranes achieve CO2 permeance of 301 GPU and CO2/N2 selectivity of 36.
Cite This Study
Xin et al. (2026) studied this question.