| Issue |
Korean Journal of Chemical Engineering,
Vol.7, No.2, 95-99, 1990
Vol.7, No.2, 95-99, 1990
KINETIC STUDY FOR THE DECAY RATE OF ETHYLENE POLYMERIZATION CATALYZED OVER SILICA SUPPORTED TiCL4/MgCl2 CATALYSTS
The kinetics for decay rate of ethylene polymerization catalyzed with TiCl4/MgCl2/SiO2 has been investigated in the range of temperatures between 40 and 90℃and in the range of ethylene pressures between 4 and 12.4 atm. The decay of polymerization rate was fitted well by the type of first order decay. The decay rate constant caused by monomer could be expressed by k’d = C ·[M]-1/2. Some plausible speculation have been proposed on the deactivation mechanism caused by monomer. The activation energy for the deactivation reaction is 9.8kcal/mole.
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