离子液体在非光气法合成异氰酸酯过程中的应用  

Application of ionic liquids in non-phosgene synthesis of isocyanates

作　　者：马旭彤 王桂荣[1] 赵茜[1] 赵新强[1] 安华良[1] 王延吉[1] MA Xutong;WANG Guirong;ZHAO Qian;ZHAO Xinqiang;AN Hualiang;WANG Yanji(Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving,School of Chemical Engineering,Hebei University of Technology,Tianjin 300130,China)

机构地区：[1]河北工业大学化工学院绿色化工与高效节能河北省重点实验室,天津300130

出　　处：《石油化工》2024年第3期402-409,共8页Petrochemical Technology

基　　金：国家自然科学基金项目(U21A20306,21978066);河北省自然科学基金重点项目(B2020202048)。

摘　　要：综述了以离子液体为催化剂、助催化剂、溶剂和热载体,在采用氨基甲酸酯催化热分解路线制备异氰酸酯反应过程中的应用研究进展,阐述了离子液体阴阳离子种类及取代基等对其应用效果的影响规律,总结了离子液体在该路线各步骤中作为不同角色发挥作用的效果与机理,以期为异氰酸酯合成过程的绿色化研究提供参考。This paper mainly reviewed the application of ionic liquids as catalyst,cocatalyst,solvent or thermal carrier in non-phosgene process for preparation of isocyanates through the route of carbamate catalytic pyrolysis.Further,it elaborates the influence of anions and cations,as well as substituents on the application of ionic liquids and summarizes the effects and mechanisms of ionic liquids playing different roles in each step of the route,in order to provide a reference for investigating the green process of isocyanate synthesis.

关 键 词：离子液体 非光气法 氨基甲酸酯 异氰酸酯 羰基化 热裂解 

分 类 号：TQ225.24[化学工程—有机化工]