均相多金属氧酸盐催化剂的多相化、表征和催化性能的研究

项目名称： 均相多金属氧酸盐催化剂的多相化、表征和催化性能的研究

项目编号： No.20803032

项目类型： 青年科学基金项目

立项/批准年度： 2009

项目学科： 电工技术

项目作者： 丁勇

作者单位： 兰州大学

项目金额： 18万元

中文摘要： 本项目旨在采用带正电荷的有机固载物（聚异丙基丙烯酰胺和树枝状聚合物）和官能化的无机多孔材料固载物与具有经典催化活性的多金属氧酸盐阴离子，通过化学键合作用，直接构筑容易分离和可回收的多相催化剂；或是采用反应控制相转移催化实现催化剂的循环使用。测定、表征其结构，并将其运用到催化氧化反应之中；在此基础上，总结这类具有活性且可回收的催化剂的合成方法、结构特点以及催化反应规律；探讨不同的固载物与多金属氧酸盐形成的催化剂与反应底物的活化作用以及两者之间的匹配关系；进而研究各种结构因素（有机固载物和无机固载物与不同种类的多阴离子）对催化性能的影响；以便更深入的认识和理解固载型多金属氧酸盐催化剂的设计方法；筛选出有应用前景的高催化活性的催化剂；为新一类固载型催化剂的设计与应用提供有用的信息。

中文关键词： 固载；多金属氧酸盐；均相催化；多相化；合成;表征

英文摘要： The purpose of this project is that using organic immobilization compounds with positive charge(poly(N-isopropylacrylamide) and dendrimers)and functioned inorganic porous materials to immobile catalytic activity typically polyoxometalate anions by the action of chemical bonds between them, which construct heterogeneous catalysts easily separated and recovered. Another route is that applying the idea of reaction-controlled phase transfer catalysis to make the homogeneous polyoxometalate catalysts recycled.These new complex catalysts will be characterized and tested by many techniques and used for the catalytic oxidation reations.Based on experiments, the synthesis method,character of structure and the rule of catalytic reaction for these active and recyclable catalysts will be obtained. We will discuss the active relationship between catalysts synthesized using different immobilization compounds and polyoxometalate and the reaction substrate. Furthermore,the effect of catalytic performance resulted from viarious structure ingredient of catalysts( organic immobilization compounds and inorganic ones vs different kinds of polyoxometalate anions)will be studied.

英文关键词： immobilization; polyoxometalate; homogeneous catalysis; heterogeneous; synthesis and characterization