1997
DOI: 10.1002/(sici)1099-0518(199712)35:17<3717::aid-pola11>3.0.co;2-g
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Investigation of the polymerization behavior of polysiloxane-bridged dinuclear zirconocenes as model compounds for a heterogenized metallocene at the silica surface

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Cited by 53 publications
(41 citation statements)
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“…We have been interested in investigating the properties of dinuclear metallocenes, since these metallocenes are able to offer the opportunity of cooperative effects between two active sites which could be potentially utilized to discover a new class of catalysts for olefin polymerization [15][16][17][18][19]. In reality the dinuclear metallocene systems displayed not only the distinguished characters from the well-defined mononuclear metallocenes, but also a strong influence upon the nature of the bridging ligand.…”
Section: Introductionsupporting
confidence: 87%
See 1 more Smart Citation
“…We have been interested in investigating the properties of dinuclear metallocenes, since these metallocenes are able to offer the opportunity of cooperative effects between two active sites which could be potentially utilized to discover a new class of catalysts for olefin polymerization [15][16][17][18][19]. In reality the dinuclear metallocene systems displayed not only the distinguished characters from the well-defined mononuclear metallocenes, but also a strong influence upon the nature of the bridging ligand.…”
Section: Introductionsupporting
confidence: 87%
“…An extensive polymerization study with the dinuclear half-titanocene has been probed by our group in recent years [15][16][17][18][19] According to the polymerization results some noticeable points have been revealed to display that the effects of bridge structure exerted a major influence on catalyst properties.…”
Section: Introductionmentioning
confidence: 99%
“…Zweikernige Metallocenkomplexe mit 2,2-Cyclopentadienyl-Indenyl-Propan und Cyclopentadienyl-indenyldimethylsilan als Ligandvorstufen wurden von Green auf ihr Ethylen-und Propylenpolymerisationspotential getestet [26,27]. Systematische Untersuchungen zu den Polymerisationseigenschaften dinuklearer polysiloxanverbr€ uckter Katalysatoren wurden von Noh durchgef€ uhrt [28][29][30][31][32][33][34].…”
Section: Einf€ Uhrungunclassified
“…Bei dinuklearen Metallocenkomplexen spielt der Abstand der beiden Polymerisationszentren eine sehr wichtige Rolle [20,25,28]. Abb.…”
Section: Homogene Polymerisation Von Ethylenunclassified
“…Dagegen ermö glichen es verbrü ckte Biscyclopentadienylliganden durch Veränderung der Brü ckenlänge oder der Art der Brü cke die räumliche Trennung der beiden Metallzentren in einem weiten Bereich zu beeinflussen [1]. Noh zweikerniger polysiloxanverbrü ckter Metallocenkatalysatoren von der Länge der Brü cke abhängig sind [14][15][16][17][18][19][20]. Die Brü ckenlänge ist also ebenso wie die Art des Zentralmetalls [21][22][23] oder die Art und Position der Substituenten am Liganden [24,25] ein entscheidender Parameter in der metallocenkatalysierten Polymerisation von Olefinen [26].…”
Section: Einführungunclassified