Functional mesoporous poly(ionic liquid)-based copolymer monoliths: From synthesis to catalysis and microporous carbon production

Kuźmicz, Danuta; Coupillaud, Paul; Men, Yongjun; Vignolle, Joan; Vendraminetto, Giordano; Ambrogi, Martina; Taton, Daniel; Yuan, Jiayin

doi:10.1016/j.polymer.2014.04.032

Cited by 85 publications

(64 citation statements)

References 55 publications

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“…Thirdly, because of the strong interactions between ILs and organic templates, poly-ILs can homogeneously cover the template surface, by in situ polymerization, giving desirable HCSs or carbon-encapsulated structures. [64][65][66][67][68] Antonietti and Yuan's group have contributed extensively to the area of poly-IL use as carbon precursors. They first directly carbonized a series of IL monomers containing vinyl or cyano/nitrile groups either in the cation or the anion, and compared their carbon yields.…”

Section: Poly(ionic Liquid)smentioning

confidence: 99%

Carbon materialization of ionic liquids: from solvents to materials

2015

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Synthesis, characteristics, porous design, and potential applications of novel carbon materials derived from ionic liquids precursors have been reviewed, including future trends and prospects in this direction.Carbon materials have been extensively used in diverse areas , especially in energy-related applications. Traditionally, these materials have been synthesized by carbonization of lowvapor-pressure natural or synthetic polymers. However, the polymer-related procedures are multistep and time consuming because of limited solubility and complicated synthesis. Recently, ionic liquids (ILs), composed of entirely cations and anions, have emerged as a new family of carbon precursors. The carbon-rich nature of ILs, coupled with their attractive properties such as diverse cation-anion combinations, low volatilities, and high thermal stabilities, not only greatly simplifies the entire carbonization process, but also gives rise to carbons with attractive features, which are distinct from those of carbons obtained using conventional polymer precursors, such as very high nitrogen contents and conductivities. In this review, we highlight recent approaches to the preparation of carbon materials using ILs as versatile precursors. We begin with a brief introduction to these novel precursors, discussing the key structures and properties of ILs that enable successful carbonization, and then address synthetic techniques for the fabrication of advanced porous carbons from ILs by either self-or external-template methods, followed by a review of the potential applications of ionic-liquidderived carbons. The review concludes with an overview of possible directions for future research in this field.In contrast, because of their high surface areas, electrical conductivities, low costs, and excellent chemical, mechanical, and thermal stabilities, carbon materials have been extensively used in diverse areas such as environmental treatment, catalysis, sensing, separation, gas capture/storage, and, particularly, as electrode materials or electrocatalysts for energy conversion/storage. [13][14][15][16][17][18] Carbon materials are generally prepared by carbonization of carboncontaining precursors at high temperature. The nature of the organic precursor is crucial to the preparation process (e.g., interactions between precursor and template 19 ), and the structures, properties, and performances of the final carbons. The chemical compositions of the precursors are often reflected in the final carbons, and strongly affect characteristics such as the carbon yield, porosity, surface area, graphitization, conductivity, and heteroatom doping. Most organic compounds are completely evaporated or decomposed to gaseous products during high-temperature carbonization, therefore currently available precursors are rather limited, and are mainly low-vaporpressure natural or synthetic polymers. 20 However, polymer-related procedures are multistep and time consuming. Moreover, for carbons derived from "hard carbon" precursors such as sucrose and furfuryl a...

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Section: Poly(ionic Liquid)smentioning

confidence: 99%

Carbon materialization of ionic liquids: from solvents to materials

2015

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“…In the absence of any tissue paper, the solvothermal copolymerization of EVImBr and DVB has been reported to produce microporous polymer materials with specific surface area ( S BET , determined by Brunauer–Emmette–Teller equation) controllable in terms of the EVImBr/DVB molar ratio 46 . Thus, PPHMs are subjected to nitrogen gas sorption measurements at 77 K. The sorption isotherms are presented in Fig.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of porous polymer/tissue paper hybrid membranes for switchable oil/water separation

Cao

Yuan

Cheng

et al. 2017

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The unusually broad physical and chemical property window of ionic liquids allows for a wide range of applications, which gives rise to the recent spring-up of ionic liquid-based functional materials. Via solvothermal copolymerization of a monomeric ionic liquid and divinylbenzene in the presence of a tissue paper in autoclave, we fabricated a flexible porous polymer/paper hybrid membrane. The surface areas of the hybrid membranes depend on the weight fraction of the copolymer impregnated inside the tissue paper. The as-prepared hybrid membrane shows controlled surface wettability in terms of ethanol wetting and ethanol removal by harsh drying condition. This unique property provides the hybrid membrane with switchable oil/water separation function, thus of practical values for real life application.

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“…Material 21 was synthesized in one pot by solvothermal copolymerization of divinylbenzene (DVB) and 1‐ethyl‐3‐vinylimidazolium bromide (Scheme ). This procedure gave a monolith with a Brunauer–Emmett–Teller (BET) specific surface area of 640 m 2 g −1 . This material was treated with excess potassium bis(trimethylsilyl)amide (KHMDS) to generate the corresponding NHC‐based material 22 .…”

Section: Csilp As Catalystsmentioning

confidence: 99%

“…This procedure gave am onolith with aB runauer-Emmett-Teller (BET) specific surfacea rea of 640 m 2 g À1 . [29] This material was treated with excess potassium bis(trimethylsilyl)amide (KHMDS) to generate the corresponding NHC-based material 22.G ood recyclability was observed in the benzoin condensation reaction performed in THFa t6 08Cf or 24 hi nt he presence of 1mol %, based on the NHC catalytic units in 22,a nd the cyanosilylation reaction was performed in THF at 60 8Cf or 1h in the presenceo f 0.5 mol %o ft he catalytic unit with similarly good results.…”

Section: Miscellaneous Examplesmentioning

confidence: 99%

Covalently Supported Ionic Liquid Phases: An Advanced Class of Recyclable Catalytic Systems

2016

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In this review, the most recent advances in the synthesis and catalytic applications of covalently supported ionic liquid (IL) phases will be discussed. This class of recyclable catalytic materials is based on the covalent attachment of several types of ammonium salts, usually imidazolium, but also thiazolium, triazolium, and pyrrolidinium salts, on the surface of different supports, for example, silica, periodic mesoporous organosilica, polystyrene, magnetic‐based materials, carbon nanotubes (NTs), halloysite NTs, polyhedral oligomeric silsesquioxane (POSS), and fullerenes. Moreover, poly(ionic liquid) materials, in which the IL‐based structure also acts as a support, will be considered. The synthetic applications of these materials will be presented, with special emphasis on their roles as catalysts, without added organocatalysts or metal‐based catalysts, as supports for organocatalysts, and as supports for metal‐based catalysts.

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Functional mesoporous poly(ionic liquid)-based copolymer monoliths: From synthesis to catalysis and microporous carbon production

Cited by 85 publications

References 55 publications

Carbon materialization of ionic liquids: from solvents to materials

Carbon materialization of ionic liquids: from solvents to materials

Synthesis of porous polymer/tissue paper hybrid membranes for switchable oil/water separation

Covalently Supported Ionic Liquid Phases: An Advanced Class of Recyclable Catalytic Systems

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