A new approach to the study of the structure of polyisoprene obtained by cationic polymerization


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Abstract

The use of the T2 filter in NMR studies allowed us to separate carbon atoms by their mobility in different fragments of the macromolecular chain of polyisoprene synthesized by cationic polymerization. The NMR signals of terminal units with conjugated double bonds were identified for the first time for the “cationic” polyisoprene, which experimentally confirmed the transfer of the growing chain to the monomer in the process of cationic polymerization of isoprene.

About the authors

V. A. Rozentsvet

Institute of Ecology of the Volga River Basin, Russian Academy of Sciences

Author for correspondence.
Email: rozentsvet@mail.ru
Russian Federation, 10 ul. Komzina, Togliatti, 445003

V. G. Kozlov

Institute of Ecology of the Volga River Basin, Russian Academy of Sciences

Email: rozentsvet@mail.ru
Russian Federation, 10 ul. Komzina, Togliatti, 445003

O. A. Stotskaya

Institute of Ecology of the Volga River Basin, Russian Academy of Sciences

Email: rozentsvet@mail.ru
Russian Federation, 10 ul. Komzina, Togliatti, 445003

S. N. Smirnov

St.-Petersburg State University, Department of Chemistry

Email: rozentsvet@mail.ru
Russian Federation, 7–9 Universitetskaya nab., St.-Petersburg, 199034

P. M. Tolstoy

St.-Petersburg State University, Department of Chemistry

Email: rozentsvet@mail.ru
Russian Federation, 7–9 Universitetskaya nab., St.-Petersburg, 199034

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