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One-pot synthesis of spherical periodic mesoporous organosilica supported catalyst bearing Ni(II) α-diimine complexes for ethylene polymerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
51178 46834 2009 5 PDF Available
Title
One-pot synthesis of spherical periodic mesoporous organosilica supported catalyst bearing Ni(II) α-diimine complexes for ethylene polymerization
Abstract

Spherical periodic mesoporous organosilica (SPMO) supported catalyst bearing covalently tethered Ni(II) α-diimine complex has been successfully prepared in one-pot protocol reducing tedious and sensitive preparation steps. The SPMO-supported catalyst showed high activities (>106 g-PE mol-Ni−1 h−1 bar−1) in the presence of various cocatalysts such as methylaluminoxane and common alkyl aluminums like ethylaluminum sesquichloride, methylaluminum dichloride and diethylaluminum chloride. The thermal stability of the catalyst was enhanced to a great extent by heterogenization and the resulting polyethylenes showed uniform morphology replicating catalyst shape.

Keywords
Ethylene; Heterogeneous catalysis; Polymerization; Silicas; Transition metal catalysts
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One-pot synthesis of spherical periodic mesoporous organosilica supported catalyst bearing Ni(II) α-diimine complexes for ethylene polymerization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 4, 15 December 2009, Pages 252–256
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
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