Study on adsorption performance of conjugated microporous polymers for hydrogen and organic solvents: The role of pore volume

Tan, Dazhi; Fan, Wen; Xiong, Wannan; Sun, Hanxue; Liu, An; Deng, Wei; Meng, Changgong

doi:10.1016/j.eurpolymj.2012.01.012

Cited by 47 publications

(9 citation statements)

References 28 publications

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“…Surface-coating with materials of low surface free energy, such as fluoroalkylsilane and trimethylchlorosilane, was reported to result in a significant improvement on the hydrophobicity of materials and selectivity for organic compounds. [20][21][22] On the other hand, results obtained from our previous studies [12,14,15] show that the increase of total pore volume (especially mesopore volume) of conjugated microporous polymers would lead to an increase in their absorption abilities for organic solvents. In this regard, thus, in this study we synthesized mesoporous graphene using a simple templating approach.…”

Section: Introductionmentioning

confidence: 77%

“…In our recent study, we reported the surface superhydrophobicity and superoleophilicity of the conjugated microporous polymers as well as their excellent separation and absorption performance of organic compounds and oils from water. [12,14,15] Because of their excellent selective adsorption performance, fast absorption kinetics, good working capacity, and recyclable use performance these materials have great advantages over traditional absorbent materials.…”

Section: Introductionmentioning

confidence: 99%

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Superhydrophobic Mesoporous Graphene for Separation and Absorption

et al. 2013

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Mesoporous graphene with a surface area of 306 m2 g−1 was synthesized by employing CaCO3 microspheres as hard templates. By surface modification with polydimethylsiloxane (PDMS) through chemical vapor deposition, the wettability of as‐treated mesoporous graphene can be tailored to be superhydrophobic to water while superoleophilic to oils. The deposition of the low‐surface‐energy silicon‐coating originated from PDMS pyrolysis on porous graphene was confirmed by X‐ray photoelectron spectroscopy. As a result of its porous structures and excellent surface superhydrophobicity, the PDMS‐treated mesoporous graphene exhibits good selectivity, excellent recyclability, and good absorption performance (up to 66 g g−1) for a wide range of oils and organic solvents. Thus, leading to potential use in a variety of applications such as water treatment and purification as well as cleanup of oil spills.

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Section: Introductionmentioning

confidence: 77%

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Mesoporous Graphene for Separation and Absorption

et al. 2013

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“…In our previous studies, a variety of CMPs with different morphologies and functionalities have been designed and synthesized as porous mediums for various purposes including hydrogen storage [23,24], CO 2 capture [25][26][27], iodine capture [27], composites [28], and oil absorption [22,[29][30][31]. In particular, we firstly reported the superhydrophobic and superoleophilic wettabilities of the CMPs [22].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of conjugated microporous polymers for gas storage and selective adsorption

et al. 2015

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Two novel CMPs networks with (A 4 ? B 3 ) type and (A 4 ? B 2 ) type were synthesized by Pb(II)/Cu(I)-catalyzed Sonogashira-Hagihara cross-coupling polymerization. The resulting CMPs show high thermal stability with a decomposition temperature above 300°C. The CMPs exhibit high specific surface areas up to 788 m 2 g -1 .Using them as porous platforms, the CO 2 adsorption of CMPs was investigated. Meanwhile, the synthesized CMPs show surface superhydrophobicity with water contact angle about 157°due to the microporous morphological structures and the strongly hydrophobic chemical compositions. The organic liquid uptake of CMPs samples was measured up to 1522 wt% for a variety of organic solvents. Furthermore, simply coating of the resulting CMPs on the stainless steel grid enables the wettability of grid changing from hydrophilicity to superhydrophobicity and superoleophilicity, which makes them potential candidates for selective adsorption of oils and organics from water.

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“…Conjugated microporous polymers (CMPs) are one of the most valuable porous materials with conjugated organic frameworks and permanent micropores. Since Cooper et al synthesized a series of conjugated microporous poly(aryleneethynylene) networks through the Sonogashira cross-coupling reaction in 2007, this kind of material has attracted considerable attention with a wide range of potential applications achieved in many areas such as heterogeneous catalysis, , molecular separation, − gas storage, − electronic devices, , and optical applications. , Similar to other porous organic polymers (POPs), the structural features including specific surface area, pore size, and pore volume of CMPs are readily tuned by selecting monomers with different structural lengths or simply by varying the reaction solvent used. − Moreover, the CMPs with a π-electron conjugated system have many remarkable photoelectric properties such as good nonlinear optical properties and semiconductor characteristics, greatly expanding the application scope of porous materials. − …”

Section: Introductionmentioning

confidence: 99%

Synthesis of Conjugated Microporous Polymers through Cationic Cyclization Polymerization

Zhou

Zhao

et al. 2019

Macromolecules

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Conjugated microporous polymers (CMPs) are a kind of polymeric materials combining both high porosities and photoelectric functions and are applied in numerous fields. Herein, three CMPs are facilely synthesized through cationic cyclization polymerization of monomers with multiple enediyne moieties. The chemical structures of the CMPs were characterized with solid-state 13C cross-polarization/magic-angle spinning NMR spectroscopy and Fourier transform infrared spectroscopy. The obtained CMPs exhibit high Brunauer–Emmett–Teller specific surface areas (up to 780 m2 g–1) and excellent adsorption functionality. The highest uptake capacities are up to 12.7 wt % for carbon dioxide (1.0 bar, 273 K) and 246 wt % for iodine (353 K), which are superior to those of most porous organic polymers (POPs). We believe that this metal-free strategy will provide a novel approach toward the synthesis of CMPs and would further expand the application scope of POPs.

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Study on adsorption performance of conjugated microporous polymers for hydrogen and organic solvents: The role of pore volume

Cited by 47 publications

References 28 publications

Superhydrophobic Mesoporous Graphene for Separation and Absorption

Superhydrophobic Mesoporous Graphene for Separation and Absorption

Synthesis of conjugated microporous polymers for gas storage and selective adsorption

Synthesis of Conjugated Microporous Polymers through Cationic Cyclization Polymerization

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