1. Institute of Macromolecular Chemistry of NAS of Ukraine, Kharkivske Chaussee, 48, Kyiv 02160, Ukraine
2. E.O.Paton Electric Welding Institute of NAS of Ukraine, Kazymyra Malevych Str., 11, Kyiv 03680, Ukraine
3. Donetsk Institute for Physics and Engineering Named after O.O. Galkin of NAS of Ukraine, Nauki Avenue, 46, Kyiv 03028, Ukraine