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May 16, 2026Advanced MembranesOpen Access

Dual Supramolecular-Coordination Network Engineering for Plasticization-Resistant CO2 Separation in Polyurethane Mixed-Matrix Membranes

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Authors

HHHossein Riasat HaramiMAMorteza AsghariBSBanafsheh Soltani

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Overview

Randomized trial investigates enhanced CO2 capture in polyurethane membranes, suggesting improved separation efficiency.

Key Points

  • The aim is to improve CO2 separation in polyurethane-based mixed matrix membranes by addressing permeability-selectivity trade-offs.
  • Developed a ternary membrane with polyurethane, 1% ZnO, and 6% ionic liquid for CO2 separation.
  • Conducted structural analysis to examine the role of ZnO nanoparticles and ionic liquid in enhancing membrane properties.
  • Utilized Genetic Programming modeling to analyze transport behaviors under varying conditions.
  • Optimized membrane achieved CO2 permeability of 139.1 Barrer, an increase of approximately 82% over pure polyurethane.
  • Ideal selectivity improved to 28.10 for CO2/CH4 and 82.79 for CO2/N2, representing increases of 38% and 50%, respectively.
  • CO2-induced swelling restricted to 20% at 14 bar, compared to a 102% increase for pure PU.

Cite This Study

Harami et al. (2026) studied this question.

synapsesocial.com/papers/6a080b4ea487c87a6a40d766https://doi.org/10.1016/j.advmem.2026.100240
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