Abstract
The kinetics of the polymerization of 4-methylpentene-1 by the Ziegler-Natta system VCl 3 AlR 3 have been examined at 30°C and 40°C. The dependence of the overall rate of polymerization on the concentration of metal halide, aluminium alkyl concentration, monomer concentration, temperature, and nature of the aluminium alkyl has been established. The energy of activation of the overall polymerization process has been found to be 16·6kcal/mol in benzene and 13·7kcal/mol in heptane. The results have been examined in relation to a previously described kinetic scheme.
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