Microstructure of stomaflex based magnetic elastomers |
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| Authors: | M Balasoiu M L Craus E M Anitas I Bica J Plestil and A I Kuklin |
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| Institution: | 1.National Institute of Physics and Nuclear Engineering,Bucharest,Romania;2.Joint Institute of Nuclear Research,Dubna, Moscow region,Russia;3.National Institute of Research and Development for Technical Physics,Iasi,Romania;4.Department of Electricity and Magnetism,West University of Timisoara,Timisoara,Romania;5.Institute of Macromolecular Chemistry,Academy of Sciences of the Czech Republic,Prague,Czech Republic |
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| Abstract: | Stomaflex elastomers filled with two types of magnetic particles (nano- and micro-sized) were investigated. It was observed
that doping with Fe3O4 nanoparticles and applying a magnetic field during the polymerisation process led to a significant change in the local structure
of the elastomer. Decreases in the quasi-crystalline phase concentration, in the average size of the crystalline blocks, and
in the ordering distance were observed after doping the elastomer with magnetite nanoparticles. After filling the polymer
with Fe3O4 nanoparticles, yet the elastomer fractal dimension changes. For the elastomer filled with a large amount of Fe microparticles
(75% particle concentration) a texture effect is observed, and this effect is larger for the samples polymerised in a magnetic
field. At all microparticle concentrations, these elastomers exhibit surface fractal structure. |
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