乙酰胺-氯化锌新型离子液体的合成及物化性质  

Preparation of a novel ionic liquid CH_3CONH_2-ZnCl_2 and evaluation of its physical and chemical properties

作　　者：丛晓波[1] 华一新[1] 吴振[1] 吴青[2] 王波[2] 

机构地区：[1]昆明理工大学冶金与能源工程学院,云南昆明650093 [2]昆明理工大学材料科学与工程学院,云南昆明650093

出　　处：《化学研究》2011年第4期41-45,共5页Chemical Research

基　　金：国家自然科学基金资助项目(5086400950904031)

摘　　要：合成了CH3CONH2-ZnCl2体系离子液体;利用红外光谱仪分析了CH3CONH2-ZnCl2离子液体的化学特征,采用步冷曲线法绘制了CH3CONH2-ZnCl2二元体系熔点图,测定了其物化性质.结果表明,CH3CONH2-ZnCl2二元体系的最低熔点为8℃;当CH3CONH2与ZnCl2的摩尔比为3∶1时,Zn2+与乙酰胺中的氧充分配位,形成完全离子态的化合物.70℃下,CH3CONH2-ZnCl2离子液体的黏度为65.1 mPa.s,电化学窗口为2.15 V,电导率为6 312μS/cm.CH3CONH2-ZnCl2 ionic liquid was synthesized in laboratory.The chemical feature of as-synthesized CH3CONH2-ZnCl2 ionic liquid was analyzed by means of infrared spectrometry.The melting point diagram of CH3CONH2-ZnCl2 binary system was drawn using step cooling curve method,and its physical and chemical properties were evaluated.It was found that CH3CONH2-ZnCl2 binary system had the lowest melting point of 8 ℃.When the molar ratio of CH3CONH2 and ZnCl2 was 3∶1,Zn2＋ could be fully coordinated with oxygen in acetamide to form an ionic compound.At 70 ℃,as-synthesized CH3CONH2-ZnCl2 ionic liquid has a viscosity of 65.1 mPa·s,electro-chemical window of 2.15 V and conductivity of 6 312 μS/cm.

关 键 词：乙酰胺 氯化锌 离子液体 合成 物化性质 

分 类 号：O614.2[理学—无机化学]