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A comparative study of SiO2- and ZrO2-supported zirconocene/MAO catalysts on ethylene/1-olefin copolymerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
52168 46865 2008 6 PDF Available
Title
A comparative study of SiO2- and ZrO2-supported zirconocene/MAO catalysts on ethylene/1-olefin copolymerization
Abstract

In this present study, the use of silica and zirconia as a support for zirconocene/MAO catalyst for copolymerization of ethylene/1-olefin (1-hexene, 1-octene, and 1-decene) was investigated. First, MAO as the cocatalyst was impregnated onto the support. Then, copolymerization of ethylene/1-olefin was performed. It was found that the use of zirconia support showed promising activities compared to those of the silica. Increased activities can be attributed to higher amount of [Al]MAO present on the zirconia support coupled with strong interaction between the Osupport–Alcocatalyst linkage. In addition, the use of zirconia also resulted in higher degree of 1-olefin insertion and decreased Tm of copolymers produced.

Keywords
Silica; Zirconia; Zirconocene; MAO; Copolymerization; Metallocene
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A comparative study of SiO2- and ZrO2-supported zirconocene/MAO catalysts on ethylene/1-olefin copolymerization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1426–1431
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us