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- W1994529792 abstract "The oxidative degradation of polyethylenimine-impregnated mesoporous SBA-15 silica for CO2 capture was investigated at the molecular level. The adsorbents were exposed to flowing air at different temperatures, and their degree of deactivation was evaluated through the measurement of CO2 adsorption capacity prior and subsequent to air exposure. A solvent-extraction method was employed to isolate the deactivated species from the silica support. The extracted species were investigated by a variety of 1D and 2D NMR techniques such as 13C, 1H, 1H–15N HMBC, 1H–13C HMQC, and 1H–13C HMBC. This in-depth investigation showed that they contain predominantly fragments involving imine and carbonyl groups. Several structural units were conclusively established." @default.
- W1994529792 created "2016-06-24" @default.
- W1994529792 creator A5051756347 @default.
- W1994529792 creator A5091809100 @default.
- W1994529792 date "2014-01-01" @default.
- W1994529792 modified "2023-10-12" @default.
- W1994529792 title "Oxidative degradation of silica-supported polyethylenimine for CO<sub>2</sub>adsorption: insights into the nature of deactivated species" @default.
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- W1994529792 doi "https://doi.org/10.1039/c3cp53928h" @default.
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