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Manganese phthalocyanine (MnPc)-Fe3O4 nanoparticles composite was prepared and characterized. The results show that MnPc are completed on the surface of Fe3O4 nanoparticles in the state of single molecule. There is effective composite between MnPc and Fe3O4 nanoparticles which can improve the antioxidization ability of Fe3O4 nanoparticles greatly. The composite was dispersed into chlorinated paraffin oil to form electromag-netorheological (EMR) fluid with high activity, and the EMR properties of this EMR fluid are studied.
Manganese phthalocyanine (MnPc) -Fe3O4 nanoparticles composite was prepared and characterized. The results show that MnPc are completed on the surface of Fe3O4 nanoparticles in the state of single molecule. There is effective composite between MnPc and Fe3O4 nanoparticles which can improve the sensitivity ability of Fe3O4 nanoparticles greatly. The composite was dispersed into chlorinated paraffin oil to form electromag-netorheological (EMR) fluid with high activity, and the EMR properties of this EMR fluid are studied.