Efficient CO2 enrichment and fixation by engineering micropores of multifunctional hypercrosslinked ionic polymers

Jia, Degong; Ma, Long; Wang, Yuan; Zhang, Wenli; Li, Jing; Zhou, Yu; Wang, Jun

doi:10.1016/j.cej.2020.124652

Cited by 114 publications

(62 citation statements)

References 78 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is known that the imidazoline group has two nitrogen species, the imine-like (–N ) and amine-like (–NH–). 51 The N 1s spectral signal was deconvoluted into three peaks ( Fig. 5(b) ) representing the two nitrogen atoms with different chemical positions, which were ascribed to the imidazole moiety.…”

Section: Resultsmentioning

confidence: 99%

Tris-imidazolinium-based porous poly(ionic liquid)s as an efficient catalyst for decarboxylation of cyclic carbonate to epoxide

Wang

Cao

et al. 2021

RSC Adv.

View full text Add to dashboard Cite

show abstract

Section: Resultsmentioning

confidence: 99%

Tris-imidazolinium-based porous poly(ionic liquid)s as an efficient catalyst for decarboxylation of cyclic carbonate to epoxide

Wang

Cao

et al. 2021

RSC Adv.

View full text Add to dashboard Cite

show abstract

“…[18,[26][27][28] One efficient way is to utilize the unique advantages of ionic hyper-crosslinked polymers due to their large surface area, versatile architectures, and diverse ionic building blocks. [29,30] Wang et al synthesized imidazolium-functionalized hyper-crosslinked polymers (HCPs) using a series of benzylimidazole salts as the (charged) ionic monomers and a,a 0 -dibromo-p-xylene as a (neutral) crosslinking agent. [31] The connection between the phenyl ring and the imidazolium cation facilitated a hyper-crosslinking reaction through FeCl 3 -catalyzed Friedel-Crafts alkylation.…”

Section: Functionalized Ionic Polymers For Co 2 Conversionmentioning

confidence: 99%

“…sulfite group. [29] The better performance of the hydroxyl-tethered ionic polymer is attributed to the formation of medium-strength hydrogen bonds, which is an important pre-requisite for epoxide activation and ring opening. [29] By increasing the number of adjacent hydrogen-bond donors, the catalytic activity of the ionic polymer can be increased.…”

Section: Functionalized Ionic Polymers For Co 2 Conversionmentioning

confidence: 99%

“…[29] The better performance of the hydroxyl-tethered ionic polymer is attributed to the formation of medium-strength hydrogen bonds, which is an important pre-requisite for epoxide activation and ring opening. [29] By increasing the number of adjacent hydrogen-bond donors, the catalytic activity of the ionic polymer can be increased. For instance, a high density of urea groups in the ionic polymer backbone serves as dual hydrogen bond donors for the activation of epoxide CÀO bonds.…”

Section: Functionalized Ionic Polymers For Co 2 Conversionmentioning

confidence: 99%

“…The choice of the cation in IL monomers can affect the linking between the cross-linkers and IL monomers. [29,46] In order to regulate the pore structures, surface functional groups, and density of ionic moieties, Sang…”

Section: Functionalized Pilsmentioning

confidence: 99%

See 2 more Smart Citations

Emerging Ionic Polymers for CO

et al. 2021

View full text Add to dashboard Cite

In this mini review, we highlight some key work from the last 2 years where ionic polymers have been used as a catalyst to convert CO 2 into cyclic carbonates. Emerging ionic polymers reported for this catalytic application include materials such as poly(ionic liquid)s (PILs), ionic porous organic polymers (iPOPs) or ionic covalent organic frameworks (iCOFs) among others. All these organic materials share in common the ionic moiety cations such as imidazolium, pyridinium, viologen, ammonium, phosphonium, and guanidinium, and anions such as halides, [BF 4 ] -, [PF 6 ] -, and [Tf 2 N] -. The mechanistic aspects and efficiency of the CO 2 conversion reaction and the polymer design including functional groups and porosity are discussed in detail. This review should provide valuable information for researchers to design new polymers for important catalysis applications.

show abstract

Engineering the Pore Structure and Functionality of Ionic Porous Polymers for Separating Acetylene over Carbon Dioxide

Pan

Suo

Yang

et al. 2023

Adv Funct Materials

View full text Add to dashboard Cite

Precise engineering of organic porous polymers to realize the selective separation of structurally similar gases presents a great challenge. In this study, a new class of ionic porous polymers P(Ph3Im-Br-nDVB) with a high ionic density and microporous surface area are constructed through a facile copolymerization strategy, providing an efficient path to rational control over pore structure and functionality. The first example of ionic porous organic polymers is reported to address the challenge of discriminating the subtle difference of C 2 H 2 and CO 2 , which have almost identical molecular sizes and similar physicochemical properties, which achieve the highest C 2 H 2 / CO 2 selectivity (17.9) among porous organic polymers. These ionic porous polymers exhibit high stability and excellent dynamic breakthrough performance for binary C 2 H 2 /CO 2 mixtures, indicating their practical feasibility. Modeling studies reveal that anions are the specific binding sites for preferential C 2 H 2 capture because of Br − •••HCCH interactions. This study not only demonstrates an efficient strategy to build novel ionic porous polymers integrating abundant micropores and ionic sites but also sheds some light on the development of functionalized materials for the separation of structurally similar gas molecules.

show abstract

Efficient CO2 enrichment and fixation by engineering micropores of multifunctional hypercrosslinked ionic polymers

Cited by 114 publications

References 78 publications

Tris-imidazolinium-based porous poly(ionic liquid)s as an efficient catalyst for decarboxylation of cyclic carbonate to epoxide

Tris-imidazolinium-based porous poly(ionic liquid)s as an efficient catalyst for decarboxylation of cyclic carbonate to epoxide

Emerging Ionic Polymers for CO

Engineering the Pore Structure and Functionality of Ionic Porous Polymers for Separating Acetylene over Carbon Dioxide

Contact Info

Product

Resources

About