A series of cross-linked ionic polymers based on styrene-functionalized imidazolium salts with chloride, hexafluorophosphate, or tetrafluoroborate counter anions have been prepared and characterized using a range of analytical and spectroscopic techniques and electron microscopy. The polymer with the chloride anion is an efficient catalyst for the cycloaddition of carbon dioxide with epoxides to afford cyclic carbonates. The cross-linked polymer is insoluble in organic solvents and is highly stable and therefore can be easily recycled and reused.
一系列基于
苯乙烯功能化
咪唑鎓盐的交联离子聚合物已经被制备并使用多种分析和光谱技术以及电子显微镜进行表征。含
氯阴离子的聚合物是一种高效催化剂,能够促进
二氧化碳与环氧化合物的环加成反应生成环状
碳酸酯。该交联聚合物在有机溶剂中不溶且具有高度稳定性,因此可以轻松回收和再利用。