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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 3/2016

01.03.2016 | Original Paper

Dielectric study of side-chain liquid crystalline polyazomethine/fullerene C60 nanocomposite

verfasst von: Sergei Bronnikov, Sergei Kostromin, Valentina Musteaţa, Vasile Cozan

Erschienen in: Journal of Polymer Research | Ausgabe 3/2016

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Abstract

For side-chain liquid crystalline polyazomethine/fullerene C60 nanocomposite (C60 loading is 0.25 wt%), both real and imaginary components of the dielectric permittivity were investigated in wide regions of temperature and frequency. Analysis of frequency dependent permittivity allowed finding three relaxations (α, β 1 and β 2) in the nanocomposite. They were attributed to specific modes of molecular mobility. β-relaxations were described with the Arrhenius equation, whereas α-relaxation was described with the Vogel-Fulcher-Tammann equation. Anti-plasticization effect of the C60 doping was shown to be manifested as an increase of the glass transition temperature of the nanocomposite as compared with that of the neat polymer.
Vorheriger Artikel Analytic formulas and numerical simulations for the dynamics of thick and non-uniform polymerization by a UV light
Nächster Artikel Investigation of organic solvent/oil sorption capabilities of phenylene-bridged cross-linked poly(alkoxysilane)s

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Metadaten
Titel
Dielectric study of side-chain liquid crystalline polyazomethine/fullerene C60 nanocomposite
verfasst von
Sergei Bronnikov
Sergei Kostromin
Valentina Musteaţa
Vasile Cozan
Publikationsdatum
01.03.2016
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 3/2016
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-016-0942-4

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