有序介孔碳CMK-3负载离子液体催化剂的制备与表征  

Synthesis and Characterization of Heterogeneous Catalysts： Ionic liquids Grafted on Ordered Mesoporous Carbon CMK--3

作　　者：刘春艳[1] 肖本能 

机构地区：[1]辽宁师范大学化学化工学院,辽宁大连116029

出　　处：《中国材料科技与设备》2013年第4期32-33,38,共3页Chinese Materials Science Technology & Equipment

摘　　要：有序介孔碳CMK-3具有较大的比表面积、均匀的孔道结构、物理化学性质稳定、机械强度高等优点。因此，在非均相催化方面是一种非常理想的催化剂载体材料。本文采用有序介孔碳CMK-3为载体负载了咪唑类离子液体催化剂，且对样品进行X射线衍射（XRD）、透射电子显微镜（TEM）、Nz吸附、元素分析等表征。结果显示，离子液体的负载量在0．73～0．87mmol／g，CMK-3负载离子液体后孔径尺寸和比表面积都有降低，但孔道结构没有被损坏。Ordered mesoporous carbons CMK--3 possess many unique properties, such as high surface area, well--or- dered porous structure, good chemical and physical properties, as well as excellent mechanica stability, making it ideal sup- port materials for the synthesis of various heterogeneous catalysts. The novel CMK--3--IL heterogeneous catalysts were syn- thesized using ordered mesoporous carbons CMK--3 as the support to immobilize imidazoles ionic liquid. The catalyst samples were characterized by X--ray powder diffraction （XRD）, nitrogen adsorption--desorption, transmission electron microscopy （TEM） and elemental analysis. The nitrogen adsorption results indicated that pore diameter and surface area of modified CMK-3 was slightly reduced. However, CMK-3 retained the mesoporous structure.

关 键 词：CMK-3 负载 离子液体 多相催化剂 

分 类 号：O643[理学—物理化学]