Metal-polymer nanocomposites based on polydiphenylamine and cobalt nanoparticles

被引：13
|
作者：
Ozkan S.Z. [1 ]
Dzidziguri E.L. [2 ]
Chernavskii P.A. [3 ]
Karpacheva G.P. [1 ]
Efimov M.N. [1 ]
Bondarenko G.N. [1 ]
机构：
[1] Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninskii pr. 29, Moscow
[2] Moscow Institute of Steel and Alloys, Leninskii pr. 4, Moscow
[3] Faculty of Chemistry, Moscow State University, Moscow
来源：
Nanotechnologies in Russia | 2013年 / 8卷 / 7-8期
关键词：
Sample Temperature; Diphenylamine; DMFA; Inert Medium; Cobalt Nanoparticles;
D O I：
10.1134/S1995078013040113
中图分类号：
学科分类号：
摘要：
It is shown for the first time that the infrared heating of polydiphenylamine in the presence of cobalt (II) acetate Co(CH3CO2)2 · 4H2O in an inert atmosphere at a sample temperature of T = 250-600°C leads to the formation of a metal-polymer nanocomposite in which Co nanoparticles are dispersed in a polymer matrix at the expense of condensation of diphenylamine crystalline oligomers with hydrogen release, promoting the reduction of Co2+ to Co0. The formation of Co nanoparticles is confirmed by X-ray phase analysis. According to data from transmission electron microscopy, Co nanoparticles have sizes of 2 < d < 8 nm. The investigation into the magnetic and thermal properties of Co/polydiphenylamine nanocomposite has shown that the nanocomposite obtained is superparamegnetic and thermostable. © 2013 Pleiades Publishing, Ltd.
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页码：452 / 460
页数：8
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