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

TANG Shipei; TAN Zhongjun; WANG Shemin; ZHANG Airong

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

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- STUDIES ON THE KINETICS OF PROPYLENE POLYMERIZATION WITH THE COMPLEXTYPE TiCl3 CATALYST*
- Vol. 2, Issue 2, Pages: 131-137(1984)
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- Published：20 December 1984
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TANG Shipei, TAN Zhongjun, WANG Shemin, et al. STUDIES ON THE KINETICS OF PROPYLENE POLYMERIZATION WITH THE COMPLEXTYPE TiCl3 CATALYST*[J]. 1984, 2(2): 131-137.
DOI：

TANG Shipei, TAN Zhongjun, WANG Shemin, et al. STUDIES ON THE KINETICS OF PROPYLENE POLYMERIZATION WITH THE COMPLEXTYPE TiCl3 CATALYST*[J]. 1984, 2(2): 131-137. DOI：

摘要

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

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.

Abstract

The active center concentration Cp

the rate constant 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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