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.

引用

页码：452 / 460

页数：8

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