Ethylene/Butene Multi-Block Copolymer and Process for Producing Same

Ethylene/Butene Multi-Block Copolymer and Process for Producing Same

The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and butene under polymerization conditions at a temperature greater than 125C with a catalyst system. The catalyst system includes (i) a first polymerization catalyst having the structure of Formula...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Munro, Jeffrey C, Zhou, Zhe, Pesek, Stacy L
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and butene under polymerization conditions at a temperature greater than 125C with a catalyst system. The catalyst system includes (i) a first polymerization catalyst having the structure of Formula (III), (ii) a second polymerization catalyst having the structure of Formula (I), and (iii) a chain shuttling agent. The process includes forming an ethylene/butene multi-block copolymer having LCB/1000C greater than or equal to 0.06. The present disclosure provides the resultant composition produced by the process. In an embodiment, the composition includes an ethylene/butene multi-block copolymer having LCB/1000C greater than or equal to 0.06.