Process Influence on the Moisture Absorption in a Polymer Nanocomposite

François Saysouk (1) , Sombel Diaham (2) , Marie-Laure Locatelli (2) , Benoît Schlegel (1) , Vincent Salles (3) , Zarel Valdez Nava (2) , Masahiro Kozako (1, 4) , Thierry Lebey (2) , Flahaut Emmanuel (5)

1 LAPLACE - LAboratoire PLasma et Conversion d'Energie
2 LAPLACE-MDCE - Matériaux Diélectriques dans la Conversion d’Energie
3 LMI - Laboratoire des Multimatériaux et Interfaces
4 Kyutech - Kyushu Institute of Technology
5 CIRIMAT - Centre interuniversitaire de recherche et d'ingenierie des matériaux

A polymer nanocomposite (P-NC) has been manufactured using different processes based on ultrasonication (US) and particles surface treatment. The moisture absorption was detected with different characterization method such as Fourier transform infrared spectroscopy, isothermal thermogravimetric analysis and electrical characterizations. The use of particle surface treatment allows decreasing O-H absorption into P-NC. Moreover, an efficient US process has been found to improve the P-NC hydrophobicity. The desorption kinetics of moisture has also been studied for different P-NC preparation processes, using isothermal characterizations at 150 degrees C. By controlling the chemical surface state of the nanofillers and the dispersion, it was observed a good stability of the conduction current density, in the same order of that of the base polymer.

Domaines: Matériaux; Polymères

François Saysouk, Sombel Diaham, Marie-Laure Locatelli, Benoît Schlegel, Vincent Salles, et al.. Process Influence on the Moisture Absorption in a Polymer Nanocomposite. IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), IEEE, Oct 2012, Montreal, Canada. pp.327-330, ⟨10.1109/CEIDP.2012.6378787⟩. ⟨hal-02556245⟩