Preparation of Fe<sub>3</sub>O<sub>4</sub>/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation

LIU Xinwen; ZU Jianhua; BAO Borong; WU Minghong; TONG Long; SUN Guisheng

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Preparation of Fe₃O₄/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation

更新时间：2023-03-30

- Preparation of Fe₃O₄/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation
- Journal of Radiation Research and Radiation Processing Vol. 25, Issue 2, Pages: 70-74(2007)
- 作者机构：
  
  1.上海大学理学院化学系　上海　200444
  2.上海大学射线应用研究所　上海　201800
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LIU Xinwen, ZU Jianhua, BAO Borong, et al. Preparation of Fe₃O₄/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation. [J]. Journal of Radiation Research and Radiation Processing 25(2):70-74(2007)
DOI：

LIU Xinwen, ZU Jianhua, BAO Borong, et al. Preparation of Fe₃O₄/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation. [J]. Journal of Radiation Research and Radiation Processing 25(2):70-74(2007) DOI：

摘要

在共沉淀法制备Fe,3,O,4,纳米磁粉的基础上，以丙烯酰胺(Acrylamide，AM)为单体在反相微乳液中通过电子束辐照的方法制备了具有核壳结构的四氧化三铁/聚丙烯酰胺磁性核壳微球(Fe,3,O,4,/Polyacrylamide，PAM)，用X射线衍射仪、原子力显微镜、傅立叶变换红外光谱、动态激光光散射仪表征样品。结果表明，制备的磁粉为Fe,3,O,4,单相，粒径为9nm左右，磁性高分子微球Fe,3,O,4, / PAM直径范围为80－150nm，呈球形。分析了乳化剂用量，单体浓度，磁粉用量，吸收剂量等对Fe,3,O,4,/PAM微球粒径的影响规律。

Abstract

Magnetic nanoparticles were prepared by chemical co-precipitation of ferrouschloride and ferricchloride. Fe,3,O,4,/PAM core-shell composite magnetic particles were synthesized by E-beam irradiation in reverse microemulision. The products were characterized by XRD, AFM, FTIR and PCS. The results indicate that the products were single-phase Fe,3,O,4, of about 10 nm in diameter, and the Fe,3,O,4,/PAM particles were spherical of about 80~150 nm in diameter. It was found that size of the core-shell particles could be controlled by adjusting concentrations of emulsification op-10, monomer AM and magnetic nanoparticles Fe,3,O,4, and the irradiation doses.

关键词

反相微乳液电子束辐射磁性核壳微球聚丙烯酰胺

Keywords

Reverse microemulisionEB-irradiationCore-shell magnetic composite microspheresPolyacrylamide

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Shanghai Institute of Applied Physics, Chinese Academy of Sciences

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Preparation of Fe3O4/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation

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摘要

Abstract

关键词

Keywords

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Preparation of Fe₃O₄/PAM core-shell magnetic particles in reverse microemulision by E-beam irradiation