AI Article Synopsis
- Mixed matrix membranes (MMMs) combine nanomaterial fillers with polymers to improve selective permeation while maintaining membrane integrity and reducing non-selective transport paths.
- Key challenges involve optimizing the interaction between the filler and the polymer to enhance permeability and minimize issues like aging and plasticization.
- Several strategies have been developed to improve filler-polymer interaction, including increasing surface area, using compatible fillers, and various synthesis and modification techniques.
Article Abstract
Mixed matrix membranes (MMMs) constitute a type of molecular separation membranes in which a nanomaterial type filler is dispersed in a given polymer to enhance its selective permeation ability. The key issue in MMMs is the establishing of a proper filler-polymer interaction to avoid non-selective transport paths while increasing permeability but also to improve other membrane properties such as aging and plasticization. Along the pass years several strategies have been applied to enhance the physicochemical interaction between the fillers (e. g. silicas, zeolites, porous coordination polymers, carbonaceous materials, etc.) and the membrane polymers: increase of external surface area, priming, use of intrinsically more compatible fillers, in situ synthesis of filler, in situ polymerization, polymer side-chain modification and post-synthetic modification of filler.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11639639 | PMC |
| http://dx.doi.org/10.1002/cplu.202400456 | DOI Listing |
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