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5. 聚离子液体催化剂的合成及其催化二氧化碳与环氧烷耦合反应

聚离子液体催化剂的合成及其催化二氧化碳与环氧烷耦合反应

来源 :中南民族大学学报（自然科学版） | 被引量 : 0次 | 上传用户：DragonDoor

【摘 要】

：

设计并合成了2种聚离子液体催化剂IL1和IL2,运用分析测试手段如FTIR、TEM、SEM和TGA等对此催化剂的结构等进行了表征.将IL1和IL2应用于催化二氧化碳( CO2 )与环氧丙烷( PO)的耦合反应,详细地讨论了温度、CO2 压力、时间以及催化剂的用量影响催化活性的程度.结果显示:28. 5 mmol PO,3 MPa CO2 压力,120 ℃反应温度,0. 1 g催化剂压力,6 h反应时间构成了最佳反应条件. IL1基于最佳条件还可催化多种环氧烷与CO2 的耦合反应,均有较高产率的环状碳酸酯被

【作 者】

：

白宇鹲 杨海健 

【机 构】

：

洛阳理工学院 环境工程与化学学院,洛阳 471023;中南民族大学 化学与材料科学学院,武汉 430074

【出 处】

：

中南民族大学学报（自然科学版）

【发表日期】

：

2021年6期

【关键词】

：

聚离子液体催化剂 二氧化碳 环氧烷 环状碳酸酯 

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论文部分内容阅读

设计并合成了2种聚离子液体催化剂IL1和IL2,运用分析测试手段如FTIR、TEM、SEM和TGA等对此催化剂的结构等进行了表征.将IL1和IL2应用于催化二氧化碳( CO2 )与环氧丙烷( PO)的耦合反应,详细地讨论了温度、CO2 压力、时间以及催化剂的用量影响催化活性的程度.结果显示:28. 5 mmol PO,3 MPa CO2 压力,120 ℃反应温度,0. 1 g催化剂压力,6 h反应时间构成了最佳反应条件. IL1基于最佳条件还可催化多种环氧烷与CO2 的耦合反应,均有较高产率的环状碳酸酯被合成,且达到了大于99%的产物选择性.

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