The kinetic study of butadiene polymerization with a cobalt-containing catalyst in hexane View Full Text


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Article Info

DATE

2006-10

AUTHORS

N. N. Glebova, N. N. Kostitsyna, O. K. Sharaev, V. A. Yakovlev

ABSTRACT

The kinetics of butadiene polymerization in hexane initiated by a catalyst prepared through the interaction of cobalt 2-ethylhexanoate with ethylaluminum sesquichloride and isoprene in the absence of water at Co: Al: isoprene = 1: 20: 20 (mol/mol) has been studied. The reaction orders with respect to the monomer and cobalt ethylhexanoate are estimated as 1.45 ± 0.04 and 1.5 ± 0.3, respectively. The concentration of active centers of the catalyst turns out to be 60 mol % of the cobalt concentration, as determined by the fractional inhibition of polymerization with cyclopentadiene. The rate constant of chain propagation, as calculated from the kinetic data, appears to be 1700 l/(mol min). The effective activation energy is 25.1 ± 7.5 kJ/mol. More... »

PAGES

237-239

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s156009040609003x

DOI

http://dx.doi.org/10.1134/s156009040609003x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1033350410


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