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Polymers
Volume 15
Issue 1
10.3390/polym15010087
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Article

Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers

by
Mikhail Matsko
*,
Ludmila Echevskaya
and
Vladimir Zakharov
Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
*
Author to whom correspondence should be addressed.
Polymers 2023, 15(1), 87; https://doi.org/10.3390/polym15010087
Submission received: 1 December 2022 / Revised: 21 December 2022 / Accepted: 21 December 2022 / Published: 26 December 2022
(This article belongs to the Collection Polymerization and Kinetic Studies)
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Abstract

Data are presented on the great differences of the kinetics of hexene-1 and propylene polymerization over the same supported titanium–magnesium catalyst, as well as molecular weight and molecular weight distribution of the polymers produced. It is found that the composition of cocatalysts (AlEt3 or Al(i-Bu)3 greatly affects the kinetics of hexene-1 polymerization and molecular weight distribution of polyhexene, contrary to data obtained at propylene polymerization. The presence of hydrogen at hexene-1 polymerization leads to a much higher increase of activity in comparison with propylene polymerization. Possible reasons for these differences are discussed on the basis of experimental results.
Keywords: hexene-1 polymerization; propylene polymerization; titanium-magnesium catalyst; molecular weight; molecular weight distribution polyhexene; polypropylene hexene-1 polymerization; propylene polymerization; titanium-magnesium catalyst; molecular weight; molecular weight distribution polyhexene; polypropylene

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MDPI and ACS Style

Matsko, M.; Echevskaya, L.; Zakharov, V. Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers. Polymers 2023, 15, 87. https://doi.org/10.3390/polym15010087

AMA Style

Matsko M, Echevskaya L, Zakharov V. Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers. Polymers. 2023; 15(1):87. https://doi.org/10.3390/polym15010087

Chicago/Turabian Style

Matsko, Mikhail, Ludmila Echevskaya, and Vladimir Zakharov. 2023. "Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers" Polymers 15, no. 1: 87. https://doi.org/10.3390/polym15010087

APA Style

Matsko, M., Echevskaya, L., & Zakharov, V. (2023). Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers. Polymers, 15(1), 87. https://doi.org/10.3390/polym15010087

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