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Electrochemically assisted ethylene (co-)polymerization with a vanadium-based Ziegler-Natta catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
49689 46760 2016 4 PDF Available
Title
Electrochemically assisted ethylene (co-)polymerization with a vanadium-based Ziegler-Natta catalyst
Abstract

•The activity of VOCl3 was improved with the electrochemical application.•Oxidation state of VOCl3 could be controlled by electrochemical method.•The polymerization mechanism does not change with the application of potential.

A facile and efficient electrochemically assisted ethylene polymerization and ethylene-propylene copolymerization with the widely used VOCl3/ethylaluminum sesquichloride (EASC) catalyst system was demonstrated. The low-activity and/or inactive low-valence-state V species present in the catalyst were oxidized to high-valence-state V through electrochemical methodology. Thus, the catalytic activity of the VOCl3/EASC catalyst system was significantly improved. The effects of electrochemical application on the resultant polymer structure and properties were investigated. This work provides a new strategy to improve the performance of Ziegler-Natta catalysts.

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Keywords
Electrochemistry; Polymerization; Polyolefin; Vanadium catalyst
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Electrochemically assisted ethylene (co-)polymerization with a vanadium-based Ziegler-Natta catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 83, 5 August 2016, Pages 39–42
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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