STUDY OF ETHYLENE POLYMERIZATION KINETICS BY TICL4/MG(OC2H5)2 CATALYST AND DETERMINATION OF THE ACTIVE SITES CONCENTRATION

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HAKIM SH.; MORTAZAVI MOHAMMAD MAHDI

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Journal: Iranian Journal of Polymer Science and Technology Year:2009 | Volume:21 | Issue:6 (ISSUE NO.98) Page(s): 515-522

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Information Journal Paper

Title

STUDY OF ETHYLENE POLYMERIZATION KINETICS BY TICL4/MG(OC2H5)2 CATALYST AND DETERMINATION OF THE ACTIVE SITES CONCENTRATION

Author(s)

HAKIM SH. | MORTAZAVI MOHAMMAD MAHDI | Issue Writer Certificate

Keywords

ETHYLENEQ3

POLYMERIZATIONQ3

KINETICSQ2

ZIEGLER-NATTA CATALYSTQ3

SLURRY PHASEQ3

Abstract

ETHYLENE was polymerized in SLURRY PHASE over a TiCl4/Mg (OC2H5)2 catalyst activated by Al(C2H5)3. It was shown experimentally that mass transfer resistance has no effect on POLYMERIZATION KINETICS. After estimation of the active site concentration by inhibition method with carbon monoxide, the effects of POLYMERIZATION temperature, monomer and cocatalyst concentrations and hydrogen were investigated. By determination of the average rate of POLYMERIZATION at 13 min and 50 min of reaction times it was observed that the POLYMERIZATION rate was first order with respect to the monomer concentration and the dependence of the POLYMERIZATION rate on the concentration of Al(C2H5)3 could be described by the Langmuir-Hinshelwood mechanism. The POLYMERIZATION rate decreased with the increase of hydrogen partial pressure. POLYMERIZATION rate as a function of POLYMERIZATION temperature showed a maximum point.

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APA: Copy

HAKIM, SH., & MORTAZAVI, MOHAMMAD MAHDI. (2009). STUDY OF ETHYLENE POLYMERIZATION KINETICS BY TICL₄/MG(OC₂H₅)₂ CATALYST AND DETERMINATION OF THE ACTIVE SITES CONCENTRATION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 21(6 (ISSUE NO.98)), 515-522. SID. https://sid.ir/paper/6526/en

Vancouver: Copy

HAKIM SH., MORTAZAVI MOHAMMAD MAHDI. STUDY OF ETHYLENE POLYMERIZATION KINETICS BY TICL₄/MG(OC₂H₅)₂ CATALYST AND DETERMINATION OF THE ACTIVE SITES CONCENTRATION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2009;21(6 (ISSUE NO.98)):515-522. Available from: https://sid.ir/paper/6526/en

IEEE: Copy

SH. HAKIM, and MOHAMMAD MAHDI MORTAZAVI, “STUDY OF ETHYLENE POLYMERIZATION KINETICS BY TICL₄/MG(OC₂H₅)₂ CATALYST AND DETERMINATION OF THE ACTIVE SITES CONCENTRATION,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 21, no. 6 (ISSUE NO.98), pp. 515–522, 2009, [Online]. Available: https://sid.ir/paper/6526/en

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