壳聚糖希夫碱铜配合物的制备及其催化性能Preparation of Chitosan Schiff Base Copper Complexs and their Catalytic Properties
温燕梅,李思东,钟杰平,谢建英,章超桦
摘要(Abstract):
采用微波辐射加热法使壳聚糖与水杨醛反应生成壳聚糖希夫碱,然后将其与铜盐配位得到壳聚糖希夫碱铜配合物,用UV、FTIR、TG表征产物的结构,并探讨该配合物对过氧化氢分解的催化性能。研究结果表明:壳聚糖希夫碱铜配合物对过氧化氢有良好的催化活性,常温(25℃)常压,pH=7.0的条件下放置12 h,催化H2O2的分解达99.8%,该配合物重复使用3次还保持较好的催化活性。
关键词(KeyWords): 壳聚糖;微波;希夫碱;铜;过氧化氢
基金项目(Foundation): 广东省重大科技项目资助(2003A2030504)
作者(Author): 温燕梅,李思东,钟杰平,谢建英,章超桦
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