Melamine‐Based Metal‐Chelating Porous Organic Polymers for Efficient CO 2 Capture and Conversion
European Journal of Inorganic Chemistry(2018)
摘要
Due to their tailored porosity, high catalytic activity and excellent chemical/thermal stability, porous organic polymers and their metal complexes hold promising potential in CO 2 capture and conversion. In this work, two kinds of melamine‐based porous polymers (TPAMP and TPBMP) and their zinc complexes (Zn‐TPAMP and Zn‐TPBMP) were synthesized. Zn‐TPAMP and Zn‐TPBMP present high CO 2 uptake of 11.7 wt.‐% and 16.8 wt.‐% at 273 K and 1 bar, respectively. In particular, Zn‐TPAMP demonstrates high catalytic activity for the cycloaddition of CO 2 with epoxides (TOF: 1383 h –1 ). The high CO 2 uptake can be contributed to the dominant microporosity and N‐containing groups; while the high catalytic activity can be ascribed to the considerable mesopores and the introduction of zinc ions. In addition, the steric configuration of the two different building blocks leads to a significant difference in the porosity of the prepared polymers, which endow them with different performance for CO 2 uptake and conversion. Our finding provides a new approach to the synthesis of metal‐chelating porous polymers for efficient CO 2 capture and conversion.
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关键词
CO2 Capture,Metal-Organic Frameworks,Porous Materials,Carbon Dioxide Capture
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