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Studies of Ziegler-type catalysts for the polymerization of ethylene and propylene—III the polymerization of propylene with TiCl4-MgCl2-based catalysts

✍ Scribed by E.W. Duck; D. Grant; E. Kronfli

Book ID
107753616
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
170 KB
Volume
15
Category
Article
ISSN
0014-3057

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VOCla-Et3A12Cl 3 (chlorinated activator) catalysts have been employed for the polymerization of ethylene at T between 15 and 85 ° in n-hexane. Using butylperchlorocrotonate as the activator, the following catalyst efficiencies (g polymer/gV, hr, atmosphere ethylene in the cap gas) were achieved: l06

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## Abstract Spherical MgCl~2~·nEtOH was prepared by adducting ethanol to MgCl~2~ using melt quenching method. Effect of molar ratio of [EtOH]/[MgCl~2~] = 2.8–3.05 on the morphology and particle size of the MgCl~2~·nEtOH were studied. The best adduct of spherical morphology was obtained when 2.9 mol