聚醚季铵离子液体合成及其催化CO_2与环氧烷加成反应  

Synthesis of Polyether Modified Quaternary Ammonium Ionic Liquids and their Catalysis on the Cycloaddition of CO_2 to Epichlorohydrin

作　　者：赵彬[1] 陈殿军[1] 李永路[1] 蒋景阳[1] 

机构地区：[1]大连理工大学精细化工国家重点实验室,大连116012

出　　处：《分子催化》2008年第6期487-490,共4页Journal of Molecular Catalysis(China)

基　　金：国家自然科学基金(No.20476015)

摘　　要：设计合成了八个聚醚季铵盐型离子液体,这类离子液体催化剂都可在无溶剂条件下催化CO2与环氧氯丙烷环加成反应,并对空气和水稳定.离子液体的阳离子结构对催化活性影响较大,阳离子越大,催化剂活性越高.以IL1为催化剂,在140℃,2.0 MPa,6 h条件下,催化产物收率可以达到99%.催化剂可以循环使用.Eight kinds of polyether quaternary ammonium ionic liquid were synthesized. All these ionic liquids efficiently catalyze the cycloaddition of CO2 to epichlorohydrin without solvents and are stable to air and water. The structures of ionic liquids have an influence on the activities. The bigger the cation of the catalyst is, the higher the catalytic activity. Under the reaction conditions （140℃, 2.0 MPa, 6 h ）, the product yield is 99% with IL1 as catalyst. The catalyst can be recycled.

关 键 词：离子液体 环加成反应 季铵盐 CO2 环氧氯丙烷 

分 类 号：O643.32[理学—物理化学]