无机-高分子-无机多组分核壳纳米复合材料的制备和表征

作者：朱冬妹; 王飞; 韩敏; 李红变; 徐正

来源：无机化学学报, 2007, 23(12): 2128-2132.

DOI：10.3321/j.issn:1001-4861.2007.12.025

• 聚甲基丙烯酸甲酯
• 聚N-异丙基丙烯酰胺
• 四氧化三铁
• 银纳米粒子
• 复合材料

Fe3O4 nanoparticles were prepared by chemical co-precipitation using palmitic acid as surfactant,then a uniformly dispersed system of Fe3O4@Polymethylmethacrylates(PMMA) core-shell structure was obtained.Furtherm-ore,polymethylmethacrylates(PNIPAM) was encapsulated on the surface of the Fe3O4@PMMA core-shell nano-structure to get Fe3O4@PMMA@PNIPAM double shell-core composite structure.After that,the Ag nano-particles were assembled on the surface of Fe3O4@PMMA@PNIPAM taking advantage of coordination reaction between Ag+ and nitrogen atom on the amide group of PNIPAM.The magnetism of composites is convenient for the catalyst separation from the solution.

• 出版日期2007
• 单位配位化学国家重点实验室; 南京大学; 化学化工学院