Synthesis of filler of UHF composites by iron mechanoactivation with polydienes and surfactantsстатья

Информация о цитировании статьи получена из Scopus, Web of Science
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Дата последнего поиска статьи во внешних источниках: 11 мая 2017 г.

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[1] Synthesis of filler of uhf composites by iron mechanoactivation with polydienes and surfactants / A. A. Shakov, D. A. Petrov, K. N. Rozanov et al. // Protection of Metals and Physical Chemistry of Surfaces. — 2017. — Vol. 53, no. 1. — P. 94–99. The results of investigation of the morphology, structure–phase composition, surface structure, and properties of iron particles, which were prepared by mechanoactivation in planetary ball mill in cis- and trans-polyisoprenes and cis-polybutadiene in the presence of perfluorononanoic acid acting as a surfactant, are given. It is determined that there are high-disperse carbides in bulk particles, whose major part is formed during the grinding with polybutadiene. The difference in phase composition of particles does not affect the UHF char- acteristics of composites. The organic layer is formed on a surface of particles that contains modified molecules of polymers and perfluorononanoic acid and is thinnest after grinding with cis-polyisoprene. The thickness of the organic layer does not influence either the UHF values of the dielectric and magnetic permittivities of composites or the corrosion properties of particles in acidic media. Material parameters of UHF composite materials filled by the powders under study are mainly determined by the shape of powder particles. [ DOI ]

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