Research progress on CO2 cycloaddition reaction catalyzed by porous ionic polymers
Carbon dioxide(CO2)is an abundant C1 resource,and the resource utilization of CO2 is one of the hotspots in current research.Porous ionic polymers(PIPs)combine the advantages of porous polymers and ionic liquids,showing great potential in CO2 adsorption and conversion.Based on the synthesis methods,structural properties and catalytic activity of PIPs,the recent application of porous ionic polymer catalysts such as polyionic liquids(free radical polymerization),hyper-crosslinked ionic polymers and MOFs-based ionic polymers in CO2 cycloaddition reaction is systematically reviewed.The advantages and disadvantages of preparation method and structural characteristics of various PIPs catalysts are summarized.And the structure-activity relationship and catalytic mechanism of PIPs in CO2 cycloaddition reaction are investigated.Finally,the application prospects of CO2 cycloaddition catalyzed by PIPs are prospected,including improving the catalytic activity,stability and application range of PIPs and reducing the cost.
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