Preparation and Properties of Composite Materials Based on Rhenium Containing Nanoparticles and Micrograins of Polytetrafluoroethyleneстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2015 г.
Аннотация:Abstract—By using the method of thermal destruction of metalcontaining compounds, a nanomaterial is obtained that includes rheniumcontaining nanoparticles stabilized on a surface of microgranules of polytetrafluoroethylene (PTFE). The obtained compositions were characterized by methods of transmission electron microscopy (TEM), Xray diffraction (XRD), electron paramagnetic resonance (ESR), and differential thermal analysis and thermogravimetric analysis (DTA/TGA). The average size of Recontaining nanoparticles is in the range from 5 to 30 nm and depends on the initial metalcontaining compounds. Nanoparticles have complex structure and consist of several components: Re, ReO2, and Re2O7.