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Zhang G, Bui V, Yin Y, Tsai EHR, Nam CY, Lin H. Carbon Capture Membranes Based on Amorphous Polyether Nanofilms Enabled by Thickness Confinement and Interfacial Engineering. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37440697 DOI: 10.1021/acsami.3c07046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Thin-film composite membranes are a leading technology for post-combustion carbon capture, and the key challenge is to fabricate defect-free selective nanofilms as thin as possible (100 nm or below) with superior CO2/N2 separation performance. Herein, we developed high-performance membranes based on an unusual choice of semi-crystalline blends of amorphous poly(ethylene oxide) (aPEO) and 18-crown-6 (C6) using two nanoengineering strategies. First, the crystallinity of the nanofilms decreases with decreasing thickness and completely disappears at 500 nm or below because of the thickness confinement. Second, polydimethylsiloxane is chosen as the gutter layer between the porous support and selective layer, and its surface is modified with bio-adhesive polydopamine (<10 nm) with an affinity toward aPEO, enabling the formation of the thin, defect-free, amorphous aPEO/C6 layer. For example, a 110 nm film containing 40 mass % C6 in aPEO exhibits CO2 permeability of 900 Barrer (much higher than a thick film with 420 Barrer), rendering a membrane with a CO2 permeance of 2200 GPU and CO2/N2 selectivity of 27 at 35 °C, surpassing Robeson's upper bound. This work shows that engineering at the nanoscale plays an important role in designing high-performance membranes for practical separations.
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Affiliation(s)
- Gengyi Zhang
- Department of Chemical and Biological Engineering, University at Buffalo, The State University at New York, Buffalo, New York 14260, United States
| | - Vinh Bui
- Department of Chemical and Biological Engineering, University at Buffalo, The State University at New York, Buffalo, New York 14260, United States
| | - Yifan Yin
- Department of Material Science and Chemical Engineering, Stony Brook University, The State University at New York, Stony Brook, New York 11794, United States
| | - Esther H R Tsai
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Chang-Yong Nam
- Department of Material Science and Chemical Engineering, Stony Brook University, The State University at New York, Stony Brook, New York 11794, United States
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Haiqing Lin
- Department of Chemical and Biological Engineering, University at Buffalo, The State University at New York, Buffalo, New York 14260, United States
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Vroulias D, Staurianou E, Ioannides T, Deimede V. Poly(ethylene oxide)-Based Copolymer-IL Composite Membranes for CO 2 Separation. MEMBRANES 2022; 13:membranes13010026. [PMID: 36676833 PMCID: PMC9863429 DOI: 10.3390/membranes13010026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/17/2022] [Accepted: 12/22/2022] [Indexed: 05/31/2023]
Abstract
Poly(ethylene oxide) (PEO)-based copolymers are at the forefront of advanced membrane materials for selective CO2 separation. In this work, free-standing composite membranes were prepared by blending imidazolium-based ionic liquids (ILs) having different structural characteristics with a PEO-based copolymer previously developed by our group, targeting CO2 permeability improvement and effective CO2/gas separation. The effect of IL loading (30 and 40 wt%), alkyl chain length of the imidazolium cation (ethyl- and hexyl- chain) and the nature of the anion (TFSI-, C(CN)3-) on physicochemical and gas transport properties were studied. Among all composite membranes, PEO-based copolymer with 40 wt% IL3-[HMIM][TFSI] containing the longer alkyl chain of the cation and TFSI- as the anion exhibited the highest CO2 permeability of 46.1 Barrer and ideal CO2/H2 and CO2/CH4 selectivities of 5.6 and 39.0, respectively, at 30 °C. In addition, almost all composite membranes surpassed the upper bound limit for CO2/H2 separation. The above membrane showed the highest water vapor permeability value of 50,000 Barrer under both wet and dry conditions and a corresponding H2O/CO2 ideal selectivity value of 1080; values that are comparable with those reported for other highly water-selective PEO-based polymers. These results suggest the potential application of this membrane in hydrogen purification and dehydration of CO2 gas streams.
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Affiliation(s)
- Dionysios Vroulias
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece
- Foundation for Research and Technology-Hellas, Institute of Chemical Engineering Sciences (FORTH/ICE-HT), GR-26504 Patras, Greece
| | - Eirini Staurianou
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece
| | - Theophilos Ioannides
- Foundation for Research and Technology-Hellas, Institute of Chemical Engineering Sciences (FORTH/ICE-HT), GR-26504 Patras, Greece
| | - Valadoula Deimede
- Department of Chemistry, University of Patras, GR-26504 Patras, Greece
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3
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Kloos J, Houben M, Lub J, Nijmeijer K, Schenning APHJ, Borneman Z. Tuning the Gas Separation Performances of Smectic Liquid Crystalline Polymer Membranes by Molecular Engineering. MEMBRANES 2022; 12:805. [PMID: 36005721 PMCID: PMC9414843 DOI: 10.3390/membranes12080805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/11/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
The effect of layer spacing and halogenation on the gas separation performances of free-standing smectic LC polymer membranes is being investigated by molecular engineering. LC membranes with various layer spacings and halogenated LCs were fabricated while having a planar aligned smectic morphology. Single permeation and sorption data show a correlation between gas diffusion and layer spacing, which results in increasing gas permeabilities with increasing layer spacing while the ideal gas selectivity of He over CO2 or He over N2 decreases. The calculated diffusion coefficients show a 6-fold increase when going from membranes with a layer spacing of 31.9 Å to membranes with a layer spacing of 45.2 Å, demonstrating that the layer spacing in smectic LC membranes mainly affects the diffusion of gasses rather than their solubility. A comparison of gas sorption and permeation performances of smectic LC membranes with and without halogenated LCs shows only a limited effect of LC halogenation by a slight increase in both solubility and diffusion coefficients for the membranes with halogenated LCs, resulting in a slightly higher gas permeation and increased ideal gas selectivities towards CO2. These results show that layer spacing plays an important role in the gas separation performances of smectic LC polymer membranes.
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Affiliation(s)
- Joey Kloos
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Menno Houben
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Johan Lub
- Stimuli-Responsive Functional Materials and Devices, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Kitty Nijmeijer
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Albert P. H. J. Schenning
- Stimuli-Responsive Functional Materials and Devices, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Zandrie Borneman
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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Superior CO2/N2 separation performance of highly branched Poly(1,3 dioxolane) plasticized by polyethylene glycol. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120352] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Zhang G, Tran TN, Huang L, Deng E, Blevins A, Guo W, Ding Y, Lin H. Thin-film composite membranes based on hyperbranched poly(ethylene oxide) for CO2/N2 separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120184] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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6
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Huang L, Guo W, Mondal H, Schaefer S, Tran TN, Fan S, Ding Y, Lin H. Effect of Branch Length on the Structural and Separation Properties of Hyperbranched Poly(1,3-dioxolane). Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c02045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Liang Huang
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Wenji Guo
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Himangshu Mondal
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Skye Schaefer
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Thien N. Tran
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Shouhong Fan
- Membrane Science, Engineering and Technology (MAST) Center, Paul M. Rady Mechanical Engineering, University of Colorado at Boulder, Boulder, Colorado 80309, United States
| | - Yifu Ding
- Membrane Science, Engineering and Technology (MAST) Center, Paul M. Rady Mechanical Engineering, University of Colorado at Boulder, Boulder, Colorado 80309, United States
| | - Haiqing Lin
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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Lv X, Huang L, Ding S, Wang J, Li L, Liang C, Li X. Mixed matrix membranes comprising dual-facilitated bio-inspired filler for enhancing CO2 separation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119347] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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8
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Synthesis and characterization of poly(ethylene oxide) based copolymer membranes for efficient gas/vapor separation: Effect of PEO content and chain length. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119353] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Deng J, Huang Z, Sundell BJ, Harrigan DJ, Sharber SA, Zhang K, Guo R, Galizia M. State of the art and prospects of chemically and thermally aggressive membrane gas separations: Insights from polymer science. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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11
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Rahman MM, Abetz V. Tailoring Crosslinked Polyether Networks for Separation of CO 2 from Light Gases. Macromol Rapid Commun 2021; 42:e2100160. [PMID: 33987890 DOI: 10.1002/marc.202100160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/30/2021] [Indexed: 11/09/2022]
Abstract
Crosslinked poly(ethylene oxide) or poly(ethylene glycol) (PEG) is an ideal membrane material for separation of CO2 from light gases (e.g., H2 , N2 , O2 , CH4 etc). In these membranes, crosslinking is used as a tool to suppress crystallinity of the PEG segments. In spite of the extensive effort to develop crosslinked PEG membranes in the last two decades, it remains a challenge to establish the structure-property relationships. This paper points out the fundamental limitations to correlate the chain topology of a network with the gas permeation mechanism. While a quantitative comparison of the molecular weight between crosslinks of networks and gas permeation mechanism reported by different research groups is challenging, effort is made to draw a qualitative picture. In this review, a focus is also put on the progress of utilization of dangling chain fractions to tailor the gas permeation behavior of PEG networks.
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Affiliation(s)
- Md Mushfequr Rahman
- Helmholtz-Zentrum Hereon, Institute of Membrane Research, Max-Planck-Straße 1, Geesthacht, 21502, Germany
| | - Volker Abetz
- Helmholtz-Zentrum Hereon, Institute of Membrane Research, Max-Planck-Straße 1, Geesthacht, 21502, Germany.,Institute of Physical Chemistry, Universität Hamburg, Grindelallee 117, Hamburg, 20146, Germany
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12
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Thermally rearranged semi-interpenetrating polymer network (TR-SIPN) membranes for gas and olefin/paraffin separation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119157] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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13
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Performance Analysis of Blended Membranes of Cellulose Acetate with Variable Degree of Acetylation for CO 2/CH 4 Separation. MEMBRANES 2021; 11:membranes11040245. [PMID: 33805339 PMCID: PMC8067227 DOI: 10.3390/membranes11040245] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/01/2021] [Accepted: 02/09/2021] [Indexed: 11/17/2022]
Abstract
The separation and capture of CO2 have become an urgent and important agenda because of the CO2-induced global warming and the requirement of industrial products. Membrane-based technologies have proven to be a promising alternative for CO2 separations. To make the gas-separation membrane process more competitive, productive membrane with high gas permeability and high selectivity is crucial. Herein, we developed new cellulose triacetate (CTA) and cellulose diacetate (CDA) blended membranes for CO2 separations. The CTA and CDA blends were chosen because they have similar chemical structures, good separation performance, and its economical and green nature. The best position in Robeson’s upper bound curve at 5 bar was obtained with the membrane containing 80 wt.% CTA and 20 wt.% CDA, which shows the CO2 permeability of 17.32 barrer and CO2/CH4 selectivity of 18.55. The membrane exhibits 98% enhancement in CO2/CH4 selectivity compared to neat membrane with only a slight reduction in CO2 permeability. The optimal membrane displays a plasticization pressure of 10.48 bar. The newly developed blended membranes show great potential for CO2 separations in the natural gas industry.
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Recent Developments in High-Performance Membranes for CO 2 Separation. MEMBRANES 2021; 11:membranes11020156. [PMID: 33672335 PMCID: PMC7926567 DOI: 10.3390/membranes11020156] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/19/2021] [Accepted: 02/19/2021] [Indexed: 11/17/2022]
Abstract
In this perspective article, we provide a detailed outlook on recent developments of high-performance membranes used in CO2 separation applications. A wide range of membrane materials including polymers of intrinsic microporosity, thermally rearranged polymers, metal–organic framework membranes, poly ionic liquid membranes, and facilitated transport membranes were surveyed from the recent literature. In addition, mixed matrix and polymer blend membranes were covered. The CO2 separation performance, as well as other membrane properties such as film flexibility, processibility, aging, and plasticization, were analyzed.
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15
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Synthesis, Characterization, and CO 2/N 2 Separation Performance of POEM- g-PAcAm Comb Copolymer Membranes. Polymers (Basel) 2021; 13:polym13020177. [PMID: 33419151 PMCID: PMC7825499 DOI: 10.3390/polym13020177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/27/2020] [Accepted: 12/28/2020] [Indexed: 11/16/2022] Open
Abstract
Alcohol-soluble comb copolymers were synthesized from rubbery poly(oxyethylene methacrylate) (POEM) and glassy polyacrylamide (PAcAm) via economical and facile free-radical polymerization. The synthesis of comb copolymers was confirmed by Fourier-transform infrared and proton nuclear magnetic resonance spectroscopic studies. The bicontinuous microphase-separated morphology and amorphous structure of comb copolymers were confirmed by wide-angle X-ray scattering, differential scanning calorimetry, and transmission electron microscopy. With increasing POEM content in the comb copolymer, both CO2 permeability and CO2/N2 selectivity gradually increased. A mechanically strong free-standing membrane was obtained at a POEM:PAcAm ratio of 70:30 wt%, in which the CO2 permeability and CO2/N2 selectivity reached 261.7 Barrer (1 Barrer = 10−10 cm3 (STP) cm cm−2 s−1 cmHg−1) and 44, respectively. These values are greater than those of commercially available Pebax and among the highest separation performances reported previously for alcohol-soluble, all-polymeric membranes without porous additives. The high performances were attributed to an effective CO2-philic pathway for the ethylene oxide group in the rubbery POEM segments and prevention of the N2 permeability by glassy PAcAm chains.
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Wang X, Wilson TJ, Alentiev D, Gringolts M, Finkelshtein E, Bermeshev M, Long BK. Substituted polynorbornene membranes: a modular template for targeted gas separations. Polym Chem 2021. [DOI: 10.1039/d1py00278c] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This perspective focuses on substituted polynorbornenes as a promising modular platform to access advanced gas separation membranes, and highlights their synthetic versatility and robust performance.
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Affiliation(s)
- Xinyi Wang
- Department of Chemistry
- University of Tennessee
- Knoxville
- Knoxville
- USA
| | - Trevor J. Wilson
- Department of Chemistry
- University of Tennessee
- Knoxville
- Knoxville
- USA
| | - Dmitry Alentiev
- A.V. Topchiev Institute of Petrochemical Synthesis RAS
- Moscow
- Russia
| | - Maria Gringolts
- A.V. Topchiev Institute of Petrochemical Synthesis RAS
- Moscow
- Russia
| | | | - Maxim Bermeshev
- A.V. Topchiev Institute of Petrochemical Synthesis RAS
- Moscow
- Russia
| | - Brian K. Long
- Department of Chemistry
- University of Tennessee
- Knoxville
- Knoxville
- USA
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Promoting acid gas separations via strategic alkoxysilyl substitution of vinyl-added poly(norbornene)s. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118569] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Huang L, Liu J, Lin H. Thermally stable, homogeneous blends of cross-linked poly(ethylene oxide) and crown ethers with enhanced CO2 permeability. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118253] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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20
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Liu J, Fulong CRP, Hu L, Huang L, Zhang G, Cook TR, Lin H. Interpenetrating networks of mixed matrix materials comprising metal-organic polyhedra for membrane CO2 capture. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118122] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Hossain I, Kim D, Al Munsur AZ, Roh JM, Park HB, Kim TH. PEG/PPG-PDMS-Based Cross-Linked Copolymer Membranes Prepared by ROMP and In Situ Membrane Casting for CO 2 Separation: An Approach to Endow Rubbery Materials with Properties of Rigid Polymers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:27286-27299. [PMID: 32453943 DOI: 10.1021/acsami.0c06926] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Rubbery polymer membranes prepared from CO2-philic PEO and/or highly permeable PDMS are desired for efficient CO2 separation from light gases (CH4 and N2). Poor mechanical properties and size-sieving ability, however, limit their application in gas separation applications. Cross-linked rubbery polymer-based gas separation membranes with a low Tg based on both PEG/PPG and PDMS units with various compositions between these two units are prepared for the first time in this work by ring-opening metathesis polymerization type cross-linking and in situ membrane casting. The developed membranes display excellent CO2 separation performance with CO2 permeability ranging from 301 to 561 Barrer with excellent CO2/N2 selectivity ranging from 50 to 59, overcoming the Robeson upper bound (2008). The key finding underlying the excellent performance of the newly developed cross-linked x(PEG/PPG:PDMS) membranes is the formation of a well-connected interlocked network structure, which endows the rubbery materials with the properties of rigid polymers, e.g., size-sieving ability and high thermomechanical stability. Moreover, the membrane shows long-term antiaging performance of up to eight months and antiplasticization behavior up to 25 atm pressure.
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Affiliation(s)
- Iqubal Hossain
- Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University, Incheon 406-772, Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon 406-772, Korea
| | - Dongyoung Kim
- Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University, Incheon 406-772, Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon 406-772, Korea
| | - Abu Zafar Al Munsur
- Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University, Incheon 406-772, Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon 406-772, Korea
| | - Jong Min Roh
- Department of Energy Engineering, Hanyang University, Seoul 04763, Korea
| | - Ho Bum Park
- Department of Energy Engineering, Hanyang University, Seoul 04763, Korea
| | - Tae-Hyun Kim
- Organic Material Synthesis Laboratory, Department of Chemistry, Incheon National University, Incheon 406-772, Korea
- Research Institute of Basic Sciences, Incheon National University, Incheon 406-772, Korea
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Kim NU, Park BJ, Guiver MD, Kim JH. Use of non-selective, high-molecular-weight poly(ethylene oxide) membrane for CO2 separation by incorporation of comb copolymer. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118092] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Recent developments on polymeric membranes for CO2 capture from flue gas. JOURNAL OF POLYMER ENGINEERING 2020. [DOI: 10.1515/polyeng-2019-0298] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Polymeric membranes have been widely considered as one of the next-generation technologies for CO2 capture from fossil fuel-derived flue gases. This separation modality requires novel polymeric materials that possess efficient CO2/N2 separation properties, as well as chemical and mechanical stability for a multiyear membrane lifetime. In this paper, recent developments in polymeric membranes tailored for post-combustion carbon capture are reviewed. The selected polymeric materials encompass ether oxygen-rich polymers, polynorbornenes, ionic liquid membranes, and facilitated transport membranes. In each of the selected materials, noteworthy research efforts for material design and membrane formation are highlighted. The performances of the selected materials are compared in the CO2/N2 selectivity-CO2 permeance plot. As the only class of materials reviewed herein that have demonstrated the fabrication of thin-film composite membranes in scale, facilitated transport membranes have shown both high selectivity and permeance at relevant conditions for post-combustion carbon capture. However, comprehensive field tests are needed to resolve the technical gap between the material development and the commercial application.
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Harrigan DJ, Yang J, Sundell BJ, Lawrence JA, O'Brien JT, Ostraat ML. Sour gas transport in poly(ether-b-amide) membranes for natural gas separations. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117497] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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