Quaternary Ammonium-Functionalized Poly(Arylene Ether Sulfone) Random Copolymers for Direct Air Capture

Behbahani, Hoda Shokrollahzadeh; Mithaiwala, Husain; Marques, Horacio Lopez; Wang, Winston; Freeman, Benny D.; Green, Matthew D.

doi:10.1021/acs.macromol.3c00760

Cited by 5 publications

(5 citation statements)

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“…The copolymers with 17 and 44 mol % PDADMA(OH) were characterized to have only one T g at 185 °C, whereas the 50 mol % PDADMA(OH)-PSf showed a T g at 183 °C and a second T g at 16 °C (Figure ). A PSf homopolymer, such as Udel P-1700 PSU, has a T g of 183 °C . The observation of one T g value equivalent to the T g of a PSf homopolymer, for 17 and 44 mol % PDADMA(OH)-PSf multiblock copolymers, provides support for a microphase-separated microstructure.…”

Section: Resultsmentioning

confidence: 92%

“…Experimental setup used for moisture-swing analysis, reproduced with permission from Hoda Shokrollahzadeh Behbahani, Husain Mithaiwala, Horacio Lopez Marques, Winston Wang, Benny D. Freeman, and Matthew D. Green, ‘Quaternary Ammonium-Functionalized poly(arylene ether sulfone) Random Copolymers for Direct Air Capture”, Macromolecules, 2023, 56 (16), pp 6470–6481. Reproduced with permission from ref . (ACS, 2023).…”

Section: Methodsmentioning

confidence: 99%

“…Although the membranes are synthetically and structurally very different from those presented in this work, their high CO 2 uptake capacity (2.21 mmol/g) is encouraging evidence of the effectiveness of this type of material. Additionally, the properties of PSfs and limitations in membrane fabrication encountered with high ion exchange capacity (IEC) random copolymers for DAC led us to consider the superior structural advantages of multiblock copolymers …”

Section: Introductionmentioning

confidence: 99%

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Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Biery,

Shokrollahzadeh Behbahani,

Green

et al. 2024

ACS Appl. Polym. Mater.

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Polysulfones are an important class of materials for a variety of applications due to their excellent strength and thermal stability. Quaternary ammonium polymers are also useful materials due to their ion exchange properties, and such materials with alkaline counterions have been used to capture carbon dioxide (CO 2 ) from ambient air through a moisture-driven mechanism. Herein, we design sulfone-based multiblock copolymers containing ammonium functionalities and demonstrate their potential for CO 2 capture. Specifically, a series of multiblock copolymers containing both polydiallyldimethylammonium (PDADMA) and polysulfone (PSf) blocks were synthesized. PSf blocks provide mechanical integrity, while the PDADMA blocks enable the direct air capture of CO 2 . Multiblock copolymers were synthesized at high yield, and PDADMA(OH)-PSf copolymer films with good flexibility and strength were formed with IECs of 424 μmol/g (17 mol % PDADMA(OH)), 1407 μmol/g (44 mol % PDADMA(OH)), and 1726 μmol/g (50 mol % PDADMA(OH)). Thermogravimetric analysis was used to determine that all films are thermally stable up to 345 °C. Differential scanning calorimetry revealed that the 17 and 44 mol % functionalized PDADMA(OH)-PSf multiblock copolymers showed one T g at 185 °C and 50 mol % PDADMA(OH)-PSf polymer showed a T g at 183 °C and a second T g at 16 °C. Atomic force microscopy showed that the multiblock polymers exhibit disordered phase separation. The copolymer materials displayed moisture-swing direct air capture of CO 2 , opening up pathways to utilize polymer architecture and chemistry to tailor the properties of promising sorbents.

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Section: Resultsmentioning

confidence: 92%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Biery,

Shokrollahzadeh Behbahani,

Green

et al. 2024

ACS Appl. Polym. Mater.

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“…In the case of ion containing polymers, CO 2 sorption most commonly relies on the use of polymers containing cations of ammonium and imidazolium ions, − with a few examples exploring other cations such as pyridinium and phosphonium. , There is a wealth of literature examples employing each of these cation identities in varied polymer structures including PILs, − ion exchange resins, , and other cross-linked porous polymers. , Importantly, the identity of these cations directly impacts the CO 2 capture capacity of the resulting polymeric sorbents.…”

Section: Dac By Ionic Functional Groups In Polymersmentioning

confidence: 99%

Polymer Sorbent Design for the Direct Air Capture of CO₂

Robertson,

Qian,

Qiang

2024

ACS Appl. Polym. Mater.

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Anthropogenic activities have resulted in enormous increases in atmospheric CO 2 concentrations particularly since the onset of the Industrial Revolution, which have potential links with increased global temperatures, rising sea levels, increased prevalence, and severity of natural disasters, among other consequences. To enable a carbon-neutral and sustainable society, various technologies have been developed for CO 2 capture from industrial process streams as well as directly from air. Here, direct air capture (DAC) represents an essential need for reducing CO 2 concentration in the atmosphere to mitigate the negative consequences of greenhouse effects, involving systems that can reversibly adsorb and release CO 2 , in which polymers have played an integral role. This work provides insights into the development of polymer sorbents for DAC of CO 2 , specifically from the perspective of material design principles. We discuss how physical properties and chemical identities of amine-containing polymers can impact their ability to uptake CO 2 , as well as be efficiently regenerated. Additionally, polymers which use ionic interactions to react with CO 2 molecules, such as poly(ionic liquids), are also common DAC sorbent materials. Finally, a perspective is provided on the future research and technology opportunities of developing polymer-derived sorbents for DAC.

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“…The moisture swing adsorption in DAC technology (MSDAC) is a method based on humidity regulation. In this method, the airflow through the aqueous adsorbent (such as silica gel, molecular sieve, nanopore materials, ion exchange resins, etc …”

Section: Other Alternative Technologiesmentioning

confidence: 99%

Review on Advances and Prospectives of Direct Air Capture: Thermodynamic Verification, Optimized Material Selection, and Technical Economic Assessment for the Application

Yi,

Guan,

Zhuang

et al. 2024

Ind. Eng. Chem. Res.

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To mitigate the rising threat to global climate aroused by dramatically increasing anthropogenic CO 2 emissions in recent years, the Paris Agreement sets a goal of limiting the rise in average global temperatures to 1.5 to 2 °C over preindustrial times. Traditional negative emissions technologies (NETs) are important approaches to reach that goal, but it is still not enough from a long-term perspective. Therefore, the research on direct air capture (DAC) is imperative now as a new promising approach. This paper first summarizes the different systems DAC can deal with, such as gas/solid, gas/liquid, and gas/polymer systems, and then illustrates the thermodynamic feasibilities of DAC under each condition. From a perspective of industrial practice, the review presents several hopeful chemical technologies from many aspects including capturing material, process flow, and techno-economic analysis, with contents allocated by the maturity of the technology. This review especially analyzes demonstration plants like Climeworks and explores experiences about how to transform early laboratory results based on unit operation into large-scale production. Finally, this review discusses the advantages and disadvantages of the technologies mentioned and provides some suggestions for future research and development.

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Quaternary Ammonium-Functionalized Poly(Arylene Ether Sulfone) Random Copolymers for Direct Air Capture

Cited by 5 publications

References 88 publications

Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Polymer Sorbent Design for the Direct Air Capture of CO₂

Review on Advances and Prospectives of Direct Air Capture: Thermodynamic Verification, Optimized Material Selection, and Technical Economic Assessment for the Application

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Quaternary Ammonium-Functionalized Poly(Arylene Ether Sulfone) Random Copolymers for Direct Air Capture

Cited by 5 publications

References 88 publications

Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Polydiallylammonium-Polysulfone Multiblock Copolymers for Moisture-Swing Direct Air Capture of Carbon Dioxide

Polymer Sorbent Design for the Direct Air Capture of CO2

Review on Advances and Prospectives of Direct Air Capture: Thermodynamic Verification, Optimized Material Selection, and Technical Economic Assessment for the Application

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Polymer Sorbent Design for the Direct Air Capture of CO₂