Affiliation: | 1.Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol’shoi pr. Vasil’evskogo Ostrova 31, St. Petersburg, 199004, Russia ;2.“Petru Poni” Institute of Macromolecular Chemistry, Romanian Academy, Iasi, Romania ;3.Grebenschikov Institute of Silicates Chemistry, Russian Academy of Sciences, St. Petersburg, Russia ; |