[EN] MONOCYCLOPENTADIENYL COMPLEXES<br/>[FR] COMPLEXES DU TYPE MONOCYCLOPENTADIENYLE
申请人:BASELL POLYOLEFINE GMBH
公开号:WO2004018489A1
公开(公告)日:2004-03-04
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of the Periodic Table of the Elements and is bound to a metal selected from the group consisting of titanium in the oxidation state 3, vanadium, chromium, molybdenum and tungsten, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.
Monocyclopentadienyl complexes of chromium, molybdenum or tungsten with a donor bridge
申请人:Mihan Shahram
公开号:US06919412B1
公开(公告)日:2005-07-19
Substituted monocyclopentadienyl, monoindenyl, monofluorenyl or heterocyclopentadienyl complexes of chromium, molybdenum or tungsten, wherein at least one of the substituents of the cyclopentadienyl ring carries a rigid donor function which is not exclusively bonded through sp
3
-hybridized carbon or silicon atoms, and a process for polymerizing olefins.
Copolymers of ethylene with C
3
-C
12
α-olefin have a polydispersity Mw/Mn of ≦10, a density of from 0.85 to 0.95 g/cm
3
, a proportion of from 1 to 40% by weight of comonomer and a molar mass Mn above 150,000 g/mol and a comonomer composition distribution breadth index above 70%. A process for their preparation is described, as are their use and fibers, moldings, films and polymer mixtures comprising these copolymers.
Monocyclopentadienylkomplexe von Chrom, Molybdän oder Wolfram mit einer Donorbrücke
申请人:Basell Polyolefine GmbH
公开号:EP1288219A2
公开(公告)日:2003-03-05
Substituierte Monocyclopentadienyl-, Monoindenyl-, Monofluorenyloder Heterocyclopentadienylkomplexe von Chrom, Molybdän oder Wolfram, wobei mindestens einer der Substituenten am Cyclopentadienylring eine rigide, nicht nur ausschließlich über sp3 hybridisierte Kohlenstoff- oder Silizium-Atome gebundene Donorfunktion trägt sowie ein Verfahren zur Polymerisation von Olefinen.