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Copolymerization with Ziegler-Natta catalysts—IV. A possible kinetic scheme

✍ Scribed by I.H. Anderson; G.M. Burnett; W.C. Geddes

Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
289 KB
Volume
3
Category
Article
ISSN
0014-3057

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✦ Synopsis

AbstractmThe concept of localized concentrations of monomer adsorbed on a catalytic surface is applied to a kinetic scheme for copolymerization by Ziegler-Natta catalysts. The equations derived are compared with those of Valvassori's approach and with other experimental results.

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## Abstract **Summary:** Liquid pool propylene/1‐butene copolymerizations were carried out in a batch reactor with a high activity Ziegler‐Natta catalyst system. Experimental runs were performed to evaluate the effect of the 1‐butene content on the crystallinity and melt temperature of the polymer

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This paper presents an experimental kinetic study of the polymerization of propylene in liquid monomer with a high activity catalyst. The influences of the concentration of hydrogen and the molar ratios of the catalyst, cocatalyst, and electron donor on the activation period, the maximum activity, t