화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.65, 156-166, September, 2018
Constrained growth of solid amino alkyl siloxane (an organic-inorganic hybrid): The ultimate selective sorbent for CO2
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Herein, we report a solid matrix of amino alkyl siloxane of porous nature with alkyl groups thoroughly distributed in the matrix by constrained growth technique; this sorbent is ideal for CO2 sorption. The sorbent exhibits higher sorption (4 mmol CO2/g), and selectivity to CO2. It is enriched with voids, and exhibits adequate thermal stability. Adsorption occurred below 100 °C, while desorption occurred between 100 and 200 °C. When the sorbent underwent both sorption and desorption of CO2, a sharp enthalpy change was observed; such an enthalpy change is a crucial characteristic of cyclic sorption desorption (CSD).
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