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K. Gehrke, U. Gebauer, S. Engelmann

Isoprene polymerization with Ziegler-Natta catalysts (in English)

Polimery 1989, No 6-7, 259

DOI: dx.doi.org/10.14314/polimery.1989.259


The course of isoprene polymerization with a Ni-containing catalyst of the type: alkoxynickel/BF3. OEt2/AlEt3 has been investigated. The effect of polymerization conditions for various Ni : В : Al molar ratios on the yield and microstructure of polyisoprene has been characterized. The kinetic analysis of the results of isoprene polymerization with the Ni-containing catalyst studied, led to the kinetic equation -dM/dt = 2,6 x 10-3[I]·[M]. It has been found that only 5.4% of Ni-atoms in the catalyst takes part in the formation of active centres.

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