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250714s2025 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c05297
|2 doi
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|a eng
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|a Jia, Muyan
|e verfasserin
|4 aut
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|a Polymer Membrane Cavities Tuned by a Removable Inorganic-Phase Additive for Enhanced CO2 Separation
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 22.05.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Polyether block amide (Pebax) is a commercially available polymer that has gained attention for capturing CO2 from flue gas. However, its relatively low permeance and CO2/N2 selectivity limit its large-scale industrial applications. Herein, we proposed an approach to adjust the interchain cavities and improve the permeance of the Pebax membrane by adding a water-soluble additive, ammonium carbonate (AC), into the Pebax polymer, aiming to form removable inorganic phases in the Pebax membrane. A series of Pebax membranes with varying concentrations of AC content were fabricated via a spin-coating process. The AC was decomposed by subsequent thermal treatment, thus creating subnanometer pores in the Pebax membrane substrate while preserving the membrane's integrity. The optimized Pebax-AC membranes achieved a CO2 permeance of 111 GPU and a CO2/N2 selectivity of 74, showing increments of 68% and 37% in comparison with pure Pebax membranes. Our results indicate that incorporating removable inorganic phases is a promising strategy for advancing membrane-based CO2 capture
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|a Journal Article
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|a Zhang, Yongan
|e verfasserin
|4 aut
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1 |
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|a Wang, Zhenggong
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Feng
|e verfasserin
|4 aut
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| 700 |
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|a Jin, Jian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g (2025) vom: 22. Mai
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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|g year:2025
|g day:22
|g month:05
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|u http://dx.doi.org/10.1021/acs.langmuir.4c05297
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