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April 1, 2026Carbon NeutralizationOpen Access

In Situ Polymerized Poly (p‐phenylenediamine)/Polyethylene Oxide Mixed Matrix Membranes for Efficient CO 2 /N 2 Separation

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Authors

XJXinxin JiaYPYan PanJXJiang Wei Xiao

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Overview

Novel membrane design improves CO2/N2 separation performance, suggesting advancements in carbon capture technology.

Key Points

  • This study investigates a new membrane for efficient CO2/N2 separation using a mixed matrix approach.
  • Fabrication of mixed matrix membranes using polyethylene oxide and poly(p-phenylenediamine) through in-situ polymerization.
  • Incorporation of low-concentration PpPD nanoparticles into the PEO matrix to enhance membrane properties.
  • Evaluation of CO2 permeability and CO2/N2 selectivity of the resulting membranes.
  • Achieved CO2 permeability of 721.5 Barrer.
  • Reached a CO2/N2 selectivity of 49.0, surpassing the 2008 Robeson upper bound.
  • Demonstrated improved membrane performance by reducing interfacial defects.

Cite This Study

Jia et al. (2026) studied this question.

synapsesocial.com/papers/69ccb6ce16edfba7beb8892dhttps://doi.org/10.1002/cnl2.70151
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