Publisher： Edp Sciences
E-ISSN： 2261-236x|67|issue|06080-06080
ISSN： 2261-236x
Source： MATEC Web of conference, Vol.67, Iss.issue, 2016-07, pp. : 06080-06080
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Abstract
Water-based magnetic fluids (Fe3O4) with good dispersion were synthesized by co-precipitation method in this study. The synthesis conditions for the product were studied and results showed that the particle sizes were between 10-20 nm, and the nanoparticles proved to be Nano Fe3O4. Stability tests for the water-based magnetic fluids showed that the product had better dispersion both in ethanol and water, using the PEG-4000 as the surfactant. The nanoparticles can be placed in the air for a long time, which is good for preparation of core-shell composite materials when needed.
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