Process for the preparation of an olefin polymer

A highly effective catalyst system for the polymerisation of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula (I) in which, preferably, M is Zr, R and R are an alkyl or halogen, R to R are alkyl, -(CR R )m-R -(CR R )n- is a single- or multi-membered chain i...

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Bibliographic Details
Main Authors JURGEN ROHRMANN, MARTIN ANTBERG, WALTER SPALECK
Format Patent
LanguageEnglish
Published 30.06.1994
Edition5
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A highly effective catalyst system for the polymerisation of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula (I) in which, preferably, M is Zr, R and R are an alkyl or halogen, R to R are alkyl, -(CR R )m-R -(CR R )n- is a single- or multi-membered chain in which R may also be a (substituted) heteroatom, and m + n is zero or 1. The catalyst system gives polymers of variable molecular weight and stereotacticity, depending on the selected substituents R to R , at industrially relevant polymerisation temperatures.
Bibliography:Application Number: AU19920021254