G. Seytre
University of Lyon
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Featured researches published by G. Seytre.
Colloid and Polymer Science | 2014
Mariem Samet; G. Boiteux; G. Seytre; A. Kallel; Anatoli Serghei
The dielectric properties of composite materials consisting of a host matrix filled with spherical particles are investigated as a function of frequency by means of numerical calculations. Two different cases are analyzed: (a) composites with a conductive matrix and insulating fillers and (b) composites with an insulating matrix and conductive fillers. In both situations, dielectric dispersions due to interfacial polarization effects are observed in the dielectric spectra. In the present contribution, the characteristic frequencies of interfacial polarization effects are systematically analyzed in dependence on the volume fraction of the spherical fillers and on the conductivity values of the composite phases. The resulting scaling laws are discussed in detail.
Nanoscale Research Letters | 2014
Maksym Iurzhenko; Yevgen Mamunya; G. Boiteux; G. Seytre; Erisela Nikaj; Olivier Gain; E.V. Lebedev; Svetlana Ishchenko
The relaxation processes of hybrid organic-inorganic polymer nanosystems (OIS) synthesized by joint polymerization of organic and inorganic components were studied using methods of differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA), and broadband dielectric relaxation spectroscopy (DRS). The organic component was a mixture of two products: high-molecular-weight macrodiisocyanate (MDI) with low reactivity and low-molecular-weight isocyanate-containing modifier poly(isocyanate) (PIC) with high reactivity. Sodium silicate (SS) was used as inorganic component. The structures of the OIS obtained were in the form of hybrids with covalently connected building blocks and interpenetrating networks: weakly cross-linked network MDI/SS and highly cross-linked network PIC/SS. Depending on the MDI/PIC ratio, one of the networks was prevailing and created a continuous structure with domains of second network.PACS61.25.hk; 82.35.Lr; 64.70.pj
European Polymer Journal | 1988
M. Camps; J.P. Monthéard; J.F. Delzant; G. Boiteux; G. Seytre
Resume Cinq vinylalkylbenzylcarbonates ont ete prepares en trois etapes a partir du chloromethylstyrene puis polymerises. Les proprietes dielectriques de ces polymeres montrent que les permittivites les plus elevees sont obtenues lorsque le radical alkyl est peu volumineux.
Journal of Non-crystalline Solids | 2007
Chady Hakme; Isabelle Stevenson; A. Maazouz; Philippe Cassagnau; G. Boiteux; G. Seytre
Journal of Membrane Science | 2012
Mathieu Sabard; Fabrice Gouanvé; Eliane Espuche; René Fulchiron; G. Seytre; Louise-Anne Fillot; Lise Trouillet-Fonti
European Polymer Journal | 2011
V. Levchenko; Ye.P. Mamunya; G. Boiteux; M. Lebovka; Pierre Alcouffe; G. Seytre; E.V. Lebedev
European Polymer Journal | 2009
Ahmed Meskini; Mustapha Raihane; Bruno Ameduri; Chady Hakme; Daniel Sage; Isabelle Stevenson; G. Boiteux; G. Seytre; Hamid Kaddami
Journal of Sol-Gel Science and Technology | 2011
Walid Bahloul; Véronique Bounor-Legaré; G. Seytre; Philippe Cassagnau
Journal of Non-crystalline Solids | 2009
L.V. Karabanova; G. Boiteux; G. Seytre; Isabelle Stevenson; O. Gain; Chady Hakme; E.D. Lutsyk; Anna Svyatyna
Journal of Non-crystalline Solids | 2010
Erisela Nikaj; I. Stevenson-Royaud; G. Seytre; Laurent David; Eliane Espuche