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材料研究学报  2012, Vol. 26 Issue (1): 26-30    
  研究论文 本期目录 | 过刊浏览 |
Fe3O4/PNIPAM纳米复合微球的制备研究
温裕乾1, 蔡力锋2, 林志勇1, 钱浩1, 韩惠琴1, 林现水1
1.华侨大学材料科学与工程学院 厦门 361021
2.莆田学院环境与生命科学系 莆田 351100
Preparation of Fe3O4/PNIPAM Nano–scale Composite–microspheres
WEN Yuqian1, CAI Lifeng2, LIN Zhiyong1, QIAN Hao1, HAN Huiqin1, LIN Xianshui1
1.College of Materials Science and Engineering, Huaqiao University, Xiamen 361021
2.Department of Environment and Life Science, Putian University, Putian 351100
引用本文:

温裕乾 蔡力锋 林志勇 钱浩 韩惠琴 林现水. Fe3O4/PNIPAM纳米复合微球的制备研究[J]. 材料研究学报, 2012, 26(1): 26-30.
, , , , . Preparation of Fe3O4/PNIPAM Nano–scale Composite–microspheres[J]. Chin J Mater Res, 2012, 26(1): 26-30.

全文: PDF(983 KB)  
摘要: 用化学共沉淀法制备Fe3O4磁性纳米粒子, 以N--异丙基丙烯酰胺(NIPAM)、N,N’--亚甲基双丙烯酰胺(MBA)和偶氮二异丁腈(AIBN)为原料, 用种子乳液聚合法制备了具有温敏性的Fe3O4/PNIPAM纳米复合微球。用红外光谱仪(FTIR)、透射电镜(TEM)、热重分析仪(TGA)及Zeta粒度仪(DTS)等手段对复合微球进行了表征, 研究了单体(NIPAM)、交联剂(MBA)、乳化剂(SDBS)用量对复合微球粒径及磁含量的影响。结果表明: Fe3O4/PNIPAM纳米复合微球呈球形, 具有温敏性, 反应条件对复合微球的结构和形貌有较为显著的影响, 其粒径和磁含量随着单体浓度的减少、交联剂和乳化剂用量的增加而变小。
关键词 复合材料聚N-异丙基丙烯酰胺纳米复合微球粒径磁含量    
Abstract:Magnetic Fe3O4 nanoparticles were prepared by co-precipitation, and further encapsulated with poly(N-isopropylacrylamide) via seeded emulsion polymerization to form Fe3O4/PNIPAM nano-scale composite-microspheres. The microspheres were characterized by FTIR, TEM, TGA and DTS. Herewith the effects of the concentration of monomer (NIPAM), cross-linker (MBA) and emulsifier (SDBS) on the diameter, magnetic Fe3O4 content of the microspheres were investigated. The reaction parameters show notable influence on the structure and morphology of the microspheres, and as a result, the diameter and magnetite content of the microspheres decreased with the decrease of monomer concentration and the increase of cross-linker concentration and emulsifier concentration.
Key wordscomposites    poly (N-isopropylacrylamide)    nano-scale composite-microspheres    diameter    magnetite content
收稿日期: 2011-07-11     
ZTFLH: 

TB332

 
基金资助:

福建省自然科学基金2009J05131和莆田市科技计划2009G25资助项目。

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