Kinetic parameters of cationic polymerization of 1,3-dienes
- Authors: Rozentsvet V.A.1, Kozlov V.G.1, Stotskaya O.A.1, Sablina N.A.1, Ivanova V.P.2, Tolstoy P.M.3
-
Affiliations:
- Institute of Ecology of the Volga River Basin, Russian Academy of Sciences
- S. V. Lebedev Research Institute of Synthetic Rubber
- St. Petersburg State University
- Issue: Vol 66, No 6 (2017)
- Pages: 1088-1093
- Section: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/240810
- DOI: https://doi.org/10.1007/s11172-017-1858-9
- ID: 240810
Cite item
Abstract
A new technique for the determination of the concentration of active centers of polymerization and propagation rate constants for processes of cationic polymerization of conjugated dienes was proposed. The method consists of the quantitative calculation from the 13C NMR spectra of the concentration of the initial units of the polymer chain polydienes synthesized at different monomer conversions and the subsequent extrapolation of the obtained values to the zero monomer conversion. Using the proposed procedure, the chain propagation rate constants were determined for the cationic polymerization of isoprene and 1,3-pentadiene in the presence of a titanium tetrachloride–tert-butyl chloride catalytic system.
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, Tol´yatti, 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, Tol´yatti, 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, Tol´yatti, 445003
N. A. Sablina
Institute of Ecology of the Volga River Basin, Russian Academy of Sciences
Email: rozentsvet@mail.ru
Russian Federation, 10 ul. Komzina, Tol´yatti, 445003
V. P. Ivanova
S. V. Lebedev Research Institute of Synthetic Rubber
Email: rozentsvet@mail.ru
Russian Federation, 1 ul. Gapsal´skaya, St. Petersburg, 198035
P. M. Tolstoy
St. Petersburg State University
Email: rozentsvet@mail.ru
Russian Federation, 7 Universitetskaya nab, St. Petersburg, 199034