Mechanical, dielectric, and physicochemical properties of impregnating resin based on unsaturated polyesterimidesLouiza Fetouhi, Benoit Petitgas, Eric Dantras and Juan Martinez-VegaEur. Phys. J. Appl. Phys., 80 1 (2017) 10901DOI: https://doi.org/10.1051/epjap/2017160451