苯乙烯-甲基丙烯酸羟基乙酯共聚物微球固载金属卟啉催化剂的制备及其催化性能

催化学报 , 2010, 31(12): 1507-1512. doi: 10.3724/SP.J.1088.2010.00627

苯乙烯-甲基丙烯酸羟基乙酯共聚物微球固载金属卟啉催化剂的制备及其催化性能

叶元坚 ^1, , 黄锦汪 ^2, , 蔡金华 ^3, , 吴文海 ^4, , 余汉城 ^5, , 周贤太 ^6, , 纪红兵 ^7, , 计亮年 ^8,

1.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

2.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

3.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

4.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

5.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

6.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

7.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

8.中山大学生物无机与合成化学教育部重点实验室,化学与化学工程学院,广东,广州,510275

基金项目: 广州市科技计划项目(2007J1-C0361) 国家自然科学基金(29771034)

关键词：金属卟啉 , 共聚物微球 , 环己烷 , 羟化 , 铁 , 锰 , 钴

Metalloporphyrins Supported on Styrene-Hydroxyethyl Methacrylate Copolymer Microspheres: Preparation and Catalytic Performance for Hydroxylation of Cyclohexane

将酰氯化的羧基金属卟啉(MP)与表面含羟基的苯乙烯-甲基丙烯酸羟基乙酯共聚物微球(P(St-co-HEMA))进行酯化反应,制备了共聚物微球因载的金属卟啉催化剂(P(St-co-HEMA)MP).采用扫描电镜、紫外.可见光谱、红外光谱和热重等手段对微球进行了表征,并考察了它在"金属卟啉-抗坏血酸-分子氧"体系中催化环己烷羟化反应性能.结果表明,共聚物微球同载的金属卟啉比非固载的金属卟啉具有更高的催化活性,催化剂重复使用4次,仍保持较高催化活性.各共聚物微球固载的金属卟啉催化活性顺序为P(St-co-HEMA)FeP＞P(St-co-HEMA)MnP＞P(St-co-HEMA)CoP.

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