Abstract
AbstractA supported titanium catalyst was prepared by using MgCl2·6H2O as a precursor for generating an active support. The performance of such catalyst was evaluated for propylene polymerization in conjunction with triethylaluminium as cocatalyst and dimethoxydiphenylsilane as an external Lewis base. The efficiency of the catalyst system is dependent on the polymerization parameters such as time, temperature and monomer pressure. The variation in the concentration of hydrogen used as a chain transfer agent alters the performance of the catalyst system and molecular weight characteristics of polypropylene. The morphology of polymer particles is of globular type and is not affected by the variation in the melt flow characteristics of the polymer.
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