Q. Y. Huang, S. Z. Wang, L. Dong, C. Chen, X. L. Zhao
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Preparation of magnetic Fe3O4/PAM composite microspheres by inverse emulsion polymerization
The stable micro-aqueous groups (MAGs) were prepared by using sodium dodecyl sulfate (SDS) and sorbitan fatty acid ester (Span80) as emulsifiers. Fe3O4/PAM composite microspheres (CMPs) were obtained by inverse emulsion polymerization in MAGs. The experimental results showed that the size of the spherical Fe3O4/PAM CMPs was about 135-420nm and the saturation magnetization value of them was about 23.3emu/g. In the Fe3O4/PAM CMPs, the mass fraction of PAM was about 76.5%. The viscosity of the emulsion containing Fe3O4/PAM CMPs increased with the increase of current and decreased with the increase of shear rate
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