Publication Details (including relevant citation information):
Polymer Science U.S.S.R., Vol. 25, No. 10, pp. 2442-2447 (1983)
The kinetics of polymn. of isoprene (I) [78-79-5] in the presence of Ziegler catalysts, prepd. by redn. of TiCl4 by PhMgBr [100-58-3] soln. in PhMe or by 5Bu2Mg.AlEt3 is described. Addn. of iso-Bu3Al [100-99-2] or iso-Bu2AlCl [1779-25-5] to the catalyst system decreased the polymn. rate of I and reduced catalyst activity. The microstructure of isoprene rubber depended primarily on the [R-Mg]:[TiCl4] molar ratio, and was not affected by the organoaluminum compds.
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