Characterization of polymer-filler interactions for a model nanocomposite based on silicone rubber

Rempe, A.-S.; Seiler, J.; Schneider, G. J.; Kindersberger, J.; Huber, S.; Appavou, M.-S.

doi:10.1109/CEIDP.2016.7785624

Contribution to a conference proceedings/Contribution to a book

FZJ-2017-02009

Characterization of polymer-filler interactions for a model nanocomposite based on silicone rubber

Rempe, A.-S. (Corresponding author) ; Seiler, J. ; Appavou, M.-S.FZJ* ; Huber, S. ; Schneider, G. J.FZJ* ; Kindersberger, J.

2016
IEEE

2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) : [Proceedings] - IEEE, 2016. - ISBN 978-1-5090-4654-6 - doi:10.1109/CEIDP.2016.7785624
2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), CEIDP, Toronto, Canada, 16 Oct 2016 - 19 Oct 2016 IEEE 639-642 (2016) [10.1109/CEIDP.2016.7785624]

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Abstract: The electrical characteristics of polymeric insulating materials can be significantly modified by adding nanoparticles. The present study investigates the dielectric response and tries to identify the origin of the changes from the pure polymer to the nanocomposite. The effect of the nanoparticles on the material properties is investigated with the high-voltage arc resistance test. For this purpose nanocomposites consisting of polydimethylsiloxane and hydrophobic silica nanoparticles were produced by means of laboratory methods. Cross-linked and uncured samples of the polymer and various filler contents up to 10 wt% are analyzed. The homogenous distribution of the particles, which have a finite random distance, is confirmed by transmission electron microscopy. The local maximum of the arc resistance time is interpreted by the Interphase Volume Model. The dielectric spectroscopy revealed that the molecular weight and the cross-linking have no effect on the relaxation processes, while in the spectrum of the nanocomposite an additional relaxation is identified. These results suggest that an interphase forms.

Keyword(s): Chemical Reactions and Advanced Materials (1st) ; Energy (1st) ; Engineering, Industrial Materials and Processing (1st) ; Polymers, Soft Nano Particles and Proteins (1st) ; Chemistry (2nd) ; Soft Condensed Matter (2nd) ; Industrial Application (2nd) ; Materials Science (2nd)