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- W2602444610 abstract "We report microwave assisted synthesis of a series of highly hydrophobic porous organic polymers of poly divinylbenzene (PDVB), for the first time, which were modified by amine-rich co-monomers of vinyl imidazole (VI) and vinyl triazole (VT) resulting in PDVB-VI and PDVB-VT adsorbents. There is an optimum amount of incorporated co-monomer and initiator which led to high adsorptive activity of the material towards CO2. Atmospheric CO2 adsorption was enhanced by the addition of amine moieties while maintaining an optimum surface area and pore volume. A certain amount of initiator led to better incorporation of VT monomer while surface area and pores remain accessible. A maximum CO2 adsorption of 2.65 mmolg-1 at 273 K/1 bar was achieved for triazole based adsorbent (PDVB-VT) with 0.7 g of VT and 0.07 g of initiator. In comparison with a non-functionalized material (PDVB) with 1.2 mmolg-1 CO2 uptake, the adsorption efficiency was enhanced more than twice. The adsorbent maintained its efficiency up to seven cycles. Theoretical modeling confirms the active site is nitrogen on the imidazole/triazole ring and that incorporation of VT to the polymeric networks enhanced the adsorptive properties better than vinyl imidazole (VI) due to more active sites." @default.
- W2602444610 created "2017-04-07" @default.
- W2602444610 creator A5005049310 @default.
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- W2602444610 creator A5056670863 @default.
- W2602444610 creator A5066665627 @default.
- W2602444610 creator A5089541889 @default.
- W2602444610 date "2017-05-01" @default.
- W2602444610 modified "2023-10-17" @default.
- W2602444610 title "Microwave-assisted synthesis of amine functionalized mesoporous polydivinylbenzene for CO2 adsorption" @default.
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