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采用十二烷基硫酸钠进行磁性颗粒的二次改性 ,通过胶溶法制备稳定的水基磁流体。应用X -ray衍射仪、透射电镜对磁性颗粒的结构、粒径、形貌进行了表征 ,并探讨了制备条件对磁流体性质的影响
The secondary modification of magnetic particles was carried out with sodium dodecyl sulfate, and a stable water-based magnetic fluid was prepared by peptization. The structure, particle size and morphology of the magnetic particles were characterized by X-ray diffraction and transmission electron microscopy. The effects of preparation conditions on the properties of the magnetic fluid were also discussed