Citation: TANG Shipei, TAN Zhongjun, WANG Shemin, ZHANG Airong. STUDIES ON THE KINETICS OF PROPYLENE POLYMERIZATION WITH THE COMPLEXTYPE TiCl3 CATALYST*[J]. Chinese Journal of Polymer Science, ;1984, 2(2): 131-137. shu

STUDIES ON THE KINETICS OF PROPYLENE POLYMERIZATION WITH THE COMPLEXTYPE TiCl3 CATALYST*

Received Date: 10 October 1983

The active center concentration Cp, the rate constant kp, and the activation energy of chain propagation Ep in the polymerization of propylene with complex-type TiCl3-(C2H5)2AlCl catalyst system were studied. The Mn was corrected by Mw/Mn value determined by GPC. The values thus obtained for Cp, kp, and Ep at 50℃ were 3.01 mol/mol Ti, 6.27 1/mol·sec, and 5.10 Kcal/mol respectively. The kinetic parameters were compared with those obtained from conventional TiCl3·AlCl2 catalyst, showing that the higher activity of the complex-type catalyst over the conventional catalyst is not only due to the higher Cp of the former,but to a greater extent due to the increase of the kp value.
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