1. R.E. Alekseev Nizhegorod State Technical University, Nizhnii Novgorod
2. N.I. Lobachevskii National Research Nizhegorod State University, Nizhnii Novgorod
3. V.A. Kargin Scientific Research Institute of Polymer Chemistry and Technology, with Experimental Works, Dzerzhinsk
4. National Research Tomsk Polytechnic University, Tomsk