Abstract
The possibility of preparing magnetic particles with the “core–shell” structure was demonstrated. The procedure is based on the treatment of carbonyl iron particles with polydimethylsiloxanes (PDMS) containing terminal or distributed over the chain carboxyl groups attached via the alkyl or aryl spacer. The presence of carboxyl-containing PDMS grafted to the surface of carbonyl iron particles was revealed by electron microscopy. Magnetorheological fluids and magnetic elastomers containing magnetic particles with the “core–shell” structure were obtained, and their rheological properties were studied.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1639–1647, September, 2018.
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Gorodov, V.V., Kostrov, S.A., Kamyshinskii, R.A. et al. Modification of carbonyl iron particles by carboxyl-containing polydimethylsiloxanes. Russ Chem Bull 67, 1639–1647 (2018). https://doi.org/10.1007/s11172-018-2271-8
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DOI: https://doi.org/10.1007/s11172-018-2271-8