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Boosting CO2 Permeance in Thin-film Composite Hollow Fiber Membranes: The Role of PDMS-PEO as a Free-volume Enhancer
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DOI：10.1016/j.memsci.2026.125955.png)
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Abstract
En 中文
• Translated Pebax/PEGMEA (PbP) interpenetrated dual-polymer membrane into thin-film composite (TFC) hollow fiber (HF) configuration • Optimized PbP dual-polymer TFC HF membrane formulation through parametric tuning including solvent choice, reaction degree, and coating concentration • Utilized flexible PDMS-PEO block copolymers as free-volume-enhancing moieties in the PbP matrix for significantly boosted CO2/N2 separation • Achieved CO2 permeances of 513 – 721 GPU and CO2/N2 selectivities of 48.2 – 31.0 that are up to 66% and 31% higher than base formulation, respectively
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9
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2.1W
Citations:
9.4W
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