AN INVESTIGATION ON KINETICS AND REACTIVE SPECIES IN ANIONIC TELOMERIZATION OF BUTADIENE INITIATED BY n-BUTYLLITHIUM/N, N, N', N'-TETRAMETHYLETHYLENE DIAMINE*

LI Jingjie; YU Yuguo

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AN INVESTIGATION ON KINETICS AND REACTIVE SPECIES IN ANIONIC TELOMERIZATION OF BUTADIENE INITIATED BY n-BUTYLLITHIUM/N, N, N', N'-TETRAMETHYLETHYLENE DIAMINE*

Papers | Updated：2021-06-21

- AN INVESTIGATION ON KINETICS AND REACTIVE SPECIES IN ANIONIC TELOMERIZATION OF BUTADIENE INITIATED BY n-BUTYLLITHIUM/N, N, N', N'-TETRAMETHYLETHYLENE DIAMINE*
- Vol. 3, Issue 4, Pages: 313-323(1985)
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- Published：20 December 1985
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LI Jingjie, YU Yuguo. AN INVESTIGATION ON KINETICS AND REACTIVE SPECIES IN ANIONIC TELOMERIZATION OF BUTADIENE INITIATED BY n-BUTYLLITHIUM/N, N, N', N'-TETRAMETHYLETHYLENE DIAMINE*[J]. 1985, 3(4): 313-323.
DOI：

LI Jingjie, YU Yuguo. AN INVESTIGATION ON KINETICS AND REACTIVE SPECIES IN ANIONIC TELOMERIZATION OF BUTADIENE INITIATED BY n-BUTYLLITHIUM/N, N, N', N'-TETRAMETHYLETHYLENE DIAMINE*[J]. 1985, 3(4): 313-323. DOI：

摘要

The polymerization rate of butadiene in toluene initiated by n-butyllithium and tetramethyl ethy-lene diamine as well as the micro-structure and degree of association of polybutadiene were deter-mined. The effect of TMEDA/n-BuLi (abbr. A/Li) and temperature on the polymerization rate

molecular weight

molecular weight distribution and structure of polybutadiene was investigated. Ac-tivation energy of the propagation reaction and chain transfer reaction

together with the chain trans-fer reaction rate constant were estimated.Kinetic parameters and contribution of different reactive species to polymerization rate were calculated by Nonlinear Least-Squares Method.A kinetic equation was proposed.The mechanism of anionic chain transfer reaction was discussed.

Abstract

molecular weight

molecular weight distribution and structure of polybutadiene was investigated. Ac-tivation energy of the propagation reaction and chain transfer reaction

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