1. Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx Str., 420015 Kazan, Russia
2. Institute of Physics, Kazan Federal University, 18 Kremlevskaya Str., 420008 Kazan, Russia
3. Institute of Electronics and Telecommunications, Peter the Great St. Petersburg Polytechnic University, 29 Polytechnicheskaya St., 195251 St. Petersburg, Russia
4. Material Science and Technology of Materials Department, Kazan State Power Engineering University, 51 Krasnoselskaya Str., 420066 Kazan, Russia