Electrical and thermo-mechanical properties of DGEBA cycloaliphatic diamine nano PA and SiO2 composites

0495700 - ÚMCH 2019 RIV KR eng J - Journal Article
Trnka, P. - Mentlík, V. - Harvanek, L. - Hornak, J. - Matějka, Libor
Electrical and thermo-mechanical properties of DGEBA cycloaliphatic diamine nano PA and SiO2 composites.
Journal of Electrical Engineering & Technology. Roč. 13, č. 6 (2018), s. 2425-2433. ISSN 1975-0102. E-ISSN 2093-7423
Institutional support: RVO:61389013
Keywords : dielectric * nanocomposite * nonwoven
OECD category: Polymer science
Impact factor: 0.715, year: 2018

This study investigates a new organic based material and its dielectric and mechanical properties. It is a comprehensive nanocomposite comprising a combination of various types of nanofillers with hydrophobic silica nanoparticles (AEROSIL R 974) as a matrix modifier and a polyamide nano nonwoven textile, Ultramid-Polyamide 6, pulped in the electrostatic field as a dielectric barrier. The polymer matrix is an epoxy network based on diglycidyl ether of bisphenol A (DGEBA) and cycloaliphatic diamine (Laromine C260). The designed nanocomposite material is an alternative to the conventional three-component composites containing fiberglass and mica with properties that exceed current electroinsulating systems (volume resistivity on the order of 1016 Ω·m, dissipation factor tan δ = 4.7·10-3, dielectric strength 39 kV/mm).
Permanent Link: http://hdl.handle.net/11104/0288738