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

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 (AlEt<s...

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Main Authors: Mikhail Matsko, Ludmila Echevskaya, Vladimir Zakharov
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/15/1/87
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author Mikhail Matsko
Ludmila Echevskaya
Vladimir Zakharov
author_facet Mikhail Matsko
Ludmila Echevskaya
Vladimir Zakharov
author_sort Mikhail Matsko
collection DOAJ
description 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 (AlEt<sub>3</sub> or Al(i-Bu)<sub>3</sub> 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.
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spelling doaj.art-12695c0c9fb448a2b95e46aded9cb8d72023-12-03T15:01:20ZengMDPI AGPolymers2073-43602022-12-011518710.3390/polym15010087Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of PolymersMikhail Matsko0Ludmila Echevskaya1Vladimir Zakharov2Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, RussiaBoreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, RussiaBoreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, RussiaData 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 (AlEt<sub>3</sub> or Al(i-Bu)<sub>3</sub> 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.https://www.mdpi.com/2073-4360/15/1/87hexene-1 polymerizationpropylene polymerizationtitanium-magnesium catalystmolecular weightmolecular weight distribution polyhexenepolypropylene
spellingShingle Mikhail Matsko
Ludmila Echevskaya
Vladimir Zakharov
Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
Polymers
hexene-1 polymerization
propylene polymerization
titanium-magnesium catalyst
molecular weight
molecular weight distribution polyhexene
polypropylene
title Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
title_full Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
title_fullStr Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
title_full_unstemmed Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
title_short Polymerization of Hexene-1 and Propylene over Supported Titanium–Magnesium Catalyst: Comparative Data on the Polymerization Kinetics and Molecular Weight Characteristics of Polymers
title_sort polymerization of hexene 1 and propylene over supported titanium magnesium catalyst comparative data on the polymerization kinetics and molecular weight characteristics of polymers
topic hexene-1 polymerization
propylene polymerization
titanium-magnesium catalyst
molecular weight
molecular weight distribution polyhexene
polypropylene
url https://www.mdpi.com/2073-4360/15/1/87
work_keys_str_mv AT mikhailmatsko polymerizationofhexene1andpropyleneoversupportedtitaniummagnesiumcatalystcomparativedataonthepolymerizationkineticsandmolecularweightcharacteristicsofpolymers
AT ludmilaechevskaya polymerizationofhexene1andpropyleneoversupportedtitaniummagnesiumcatalystcomparativedataonthepolymerizationkineticsandmolecularweightcharacteristicsofpolymers
AT vladimirzakharov polymerizationofhexene1andpropyleneoversupportedtitaniummagnesiumcatalystcomparativedataonthepolymerizationkineticsandmolecularweightcharacteristicsofpolymers