A new hypercrosslinked supermicroporous polymer, with scope for sulfonation, and its catalytic potential for the efficient synthesis of biodiesel at room temperature

Bhunia, Subhajit; Banerjee, Biplab; Bhaumik, Asim

doi:10.1039/c4cc09872b

Cited by 126 publications

(96 citation statements)

References 48 publications

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“…Scheme describes the synthetic strategy of the gold nanohybrid materials (named as Au/SH‐OPPs) using the core–shell bottlebrush copolymer as precursors. First, the polystyrene (PS) side chains in the bottlebrush were hyper‐cross‐linked via Friedel–Crafts alkylation reaction catalyzed by ferric chloride (FeCl 3 ) with an external cross‐linker formaldehyde dimethyl acetal (FDA) . Then, the hyper‐cross‐linked polymer networks were subjected to the acidic dioxane in order to etch out the PLA core (named as 2S‐OPPs).…”

Section: Resultsmentioning

confidence: 99%

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Zhong

et al. 2017

Macro Chemistry & Physics

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In this work, a novel synthesis approach of gold nanohybrid materials (Au/SH‐OPPs) is demonstrated using the thiol‐functionalized organic porous polymers (SH‐OPPs) as a support by a combination of hyper‐cross‐linking and molecular templating of functionalized bottlebrush copolymers. HAuCl4 as the gold source is in situ reduced to produce Au nanoparticles based on the strong action of gold with the thiol groups. The monodispersed Au nanoparticles are anchored on the SH‐OPPs with the small average particle size (3.0 ± 1.0 nm) and the high loading about 18%. Moreover, the resultant Au/SH‐OPPs exhibit excellent catalytic performance for the selective oxidation of benzyl alcohol.

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Section: Resultsmentioning

confidence: 99%

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Zhong

et al. 2017

Macro Chemistry & Physics

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“…[1][2][3] Recently, sorbents with large surface areas, high CO 2 capture capabilities and excellent regeneration abilities are abstracting more and more attention for the separation of CO 2 from N 2 in flue or natural gas. For this purpose, various porous solids including zeolites, 4 metal organic frameworks (MOFs), 5 porous 3 carbon 6 and microporous organic polymers (MOPs) [7][8][9] have been synthesized.…”

Section: Introductionmentioning

confidence: 99%

Facile Carbonization of Microporous Organic Polymers into Hierarchically Porous Carbons Targeted for Effective CO₂ Uptake at Low Pressures

Zhu

et al. 2016

ACS Appl. Mater. Interfaces

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The advent of microporous organic polymers (MOPs) has delivered great potential in gas storage and separation (CCS). However, the presence of only micropores in these polymers often imposes diffusion limitations, which has resulted in the low utilization of MOPs in CCS. Herein, facile chemical activation of the single microporous organic polymers (MOPs) resulted in a series of hierarchically porous carbons with hierarchically meso-microporous structures and high CO2 uptake capacities at low pressures. The MOPs precursors (termed as MOP-7-10) with a simple narrow micropore structure obtained in this work possess moderate apparent BET surface areas ranging from 479 to 819 m(2) g(-1). By comparing different activating agents for the carbonization of these MOPs matrials, we found the optimized carbon matrials MOPs-C activated by KOH show unique hierarchically porous structures with a significant expansion of dominant pore size from micropores to mesopores, whereas their microporosity is also significantly improved, which was evidenced by a significant increase in the micropore volume (from 0.27 to 0.68 cm(3) g(-1)). This maybe related to the collapse and the structural rearrangement of the polymer farmeworks resulted from the activation of the activating agent KOH at high temperature. The as-made hierarchically porous carbons MOPs-C show an obvious increase in the BET surface area (from 819 to 1824 m(2) g(-1)). And the unique hierarchically porous structures of MOPs-C significantly contributed to the enhancement of the CO2 capture capacities, which are up to 214 mg g(-1) (at 273 K and 1 bar) and 52 mg g(-1) (at 273 K and 0.15 bar), superior to those of the most known MOPs and porous carbons. The high physicochemical stabilities and appropriate isosteric adsorption heats as well as high CO2/N2 ideal selectivities endow these hierarchically porous carbon materials great potential in gas sorption and separation.

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“…However, major drawback of the MOF material is the difficulty in their synthesis in the large scale to meet the industry demand. Pure microporous carbon based materials such as covalent organic framework (COFs) [14], porous organic polymers [15], hypercrosslinked polymers (HCPs) [16], resins [17] N-doped microporous carbon [18], POFs [19] etc. have shown tremendous potential in the CO2 storage applications.…”

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confidence: 99%

Triazine containing N-rich microporous organic polymers for CO 2 capture and unprecedented CO 2 /N 2 selectivity

Bhunia

Bhanja

Das

et al. 2017

Journal of Solid State Chemistry

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supplimentary information (ESI) available: BET specific surface area plot, thermal stability of SB-TRZ-CRZ and SB-TRZ-TPA, synthetic procedures, 13 C and 1 H NMR spectra. AbstractTargeted synthesis of microporous adsorbents for CO2 capture and storage is very challenging in the context of remediation from green house gases. Herein we report two novel N-rich microporous networks SB-TRZ-CRZ and SB-TRZ-TPA by extensive incorporation of triazine containing tripodal moiety in the porous polymer framework. These materials showed excellent CO2 storage capacities: SB-TRZ-CRZ displayed the CO2 uptake capacity of 25.5 wt% upto 1 bar at 273 K and SB-TRZ-TPA gave that of 16 wt% under identical conditions. The substantial dipole quadruple interaction between network (polar triazine) and CO2 boosts the selectivity for CO2/N2. SB-TRZ-CRZ has this CO2/N2 selectivity ratio of 377, whereas for SB-TRZ-TPA it was 97. Compared to other porous polymers, these materials are very cost effective, scalable and very promising material for clean energy application and environmental issues.2

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A new hypercrosslinked supermicroporous polymer, with scope for sulfonation, and its catalytic potential for the efficient synthesis of biodiesel at room temperature

Cited by 126 publications

References 48 publications

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Facile Carbonization of Microporous Organic Polymers into Hierarchically Porous Carbons Targeted for Effective CO₂ Uptake at Low Pressures

Triazine containing N-rich microporous organic polymers for CO 2 capture and unprecedented CO 2 /N 2 selectivity

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A new hypercrosslinked supermicroporous polymer, with scope for sulfonation, and its catalytic potential for the efficient synthesis of biodiesel at room temperature

Cited by 126 publications

References 48 publications

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Thiol‐Functionalized Organic Porous Polymers as a Support for Gold Nanoparticles and Its Catalytic Applications

Facile Carbonization of Microporous Organic Polymers into Hierarchically Porous Carbons Targeted for Effective CO2 Uptake at Low Pressures

Triazine containing N-rich microporous organic polymers for CO 2 capture and unprecedented CO 2 /N 2 selectivity

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Facile Carbonization of Microporous Organic Polymers into Hierarchically Porous Carbons Targeted for Effective CO₂ Uptake at Low Pressures