Journal
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING
Volume 44, Issue 2, Pages 139-149Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0040579510020041
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- Russian Foundation for Basic Research [09-08-00564-a]
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A mathematical model for a batch polymerization process under the effect of a neodymium versatate-diisobutylaluminum hydride-hexachloro-p-xylene catalytic system is developed that takes into account its polycentric nature and chain transfer to the polymer. The mechanism of 1,3-butadiene polymerization in the presence of the catalytic system under investigation is proposed. It is assumed that butadiene polymerization occurs at two types of active sites with the transition of the centers with higher activity to the centers with lower activity. The constructed mathematical model adequately describes the experimental data, which confirms the proposed mechanism of the process.
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