Journal ArticleDOI
High-performance nanocomposite membranes realized by efficient molecular sieving with CuBDC nanosheets
TLDR
Two-dimensional CuBDC nanosheets with high-aspect-ratios were deliberately paired with polymers possessing high free volumes to fabricate high performance gas separation membranes, resulting in performances that surpass the upper bound limit for polymer membranes.About:
This article is published in Chemical Communications.The article was published on 2017-04-11. It has received 109 citations till now. The article focuses on the topics: Membrane & Gas separation.read more
Citations
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Journal ArticleDOI
2D Material Based Advanced Membranes for Separations in Organic Solvents.
TL;DR: A timely overview of the current state-of-the-art of 2D material membranes focusing on their applications in organic solvent separations is provided and several perspectives are provided in terms of the critical challenges.
Journal ArticleDOI
Enhancing the mechanical strength and CO2/CH4 separation performance of polymeric membranes by incorporating amine-appended porous polymers
TL;DR: In this article, amine-functionalized organic porous polymers (DETA and PP-menm) were synthesized and used as filler materials to yield mechanically stable mixed matrix membranes that possess good CO2/CH4 separation performance.
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Introducing two-dimensional metal-organic frameworks with axial coordination anion into Pebax for CO2/CH4 separation
TL;DR: In this paper, a two-dimensional (2D) MOF named Cu(BPY)2(OTF)2 (OTF = trifluoromethanesulfonic acid anion (CF3SO3−), BPY = 4,4-bipyridine) possessing axial coordination anion was prepared, and then combined into Pebax® MH 1657 (Pebax) polymer to fabricate mixed matrix membranes (MMMs) for the separation of CO2/CH4 gas mixtures.
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Recent progress of two-dimensional nanosheet membranes and composite membranes for separation applications
TL;DR: In this paper, the authors present the development, progress, and recent breakthrough of different types of 2D membranes, including membranes based on porous and non-porous 2D nanosheets for various separations.
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Interfacial Property Modulation of PIM-1 through Polydopamine-Derived Submicrospheres for Enhanced CO2/N2 Separation Performance.
TL;DR: The physical aging behavior, as judged by gas permeability, is retarded for PIM/PDASS membranes after 4 months of testing, which is supposed to stem from the densified membrane microstructure induced by the strong intermolecular interactions between PIM-1 and PDASS.
References
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I and i
TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
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The upper bound revisited
TL;DR: The empirical upper bound relationship for membrane separation of gases initially published in 1991 has been reviewed with the myriad of data now presently available as mentioned in this paper, which indicates a different solubility selectivity relationship for perfluorinated polymers compared to hydrocarbon/aromatic polymers.
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Correlation of separation factor versus permeability for polymeric membranes
TL;DR: In this paper, an analysis of the literature data for binary gas mixtures from the list of He, H2, O2, N2, CH4, and CO2 reveals an upper bound relationship for these mixtures.