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μ‐Gels as support materials for dinuclear olefin polymerization catalysts
Author(s) -
Schilling Marc,
Görl Christian,
Alt Helmut G.
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.28373
Subject(s) - organosilicon , polymerization , zirconium , catalysis , polymer chemistry , ethylene , materials science , hydrolysis , olefin fiber , chemical engineering , chemistry , polymer , organic chemistry , composite material , engineering , metallurgy
μ‐Gels which consist of poly(organosilicon) networks can be employed as efficient support materials for ethylene polymerization catalyst precursors. Alkylaluminum cocatalysts can be fixed on the μ‐gel surfaces using the PHT (“partially hydrolyzed trimethylaluminum”) method. The influence of different aluminum/water ratios on the ethylene polymerization properties of these heterogeneous systems is investigated. Dinuclear silicon bridged zirconium complexes are used as catalyst precursors yielding polyethylenes with broad or bimodal molecular weight distributions. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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