Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligands

The invention relates to a process for the preparation of olefin polymers and copolymers using metallocenes containing specifically substituted indenyl ligands. Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligandsA highly effective c...

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Main Authors Winter, Andreas, Kueber, Frank, Spaleck, Walter, Riepl, Herbert, Herrmann, Wolfgang A, Dolle, Volker, Rohrmann, Juergen
Format Patent
LanguageEnglish
Published 05.03.2002
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Summary:The invention relates to a process for the preparation of olefin polymers and copolymers using metallocenes containing specifically substituted indenyl ligands. Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligandsA highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I in which, preferably Mis Zr or Hf, Rand Rare alkyl or halogen, Ris hydrogen or alkyl, Rand Rare alkyl, where R, Rand Rmay be halogenated, -(CRR)-R-(CRR)- is a single- or multi-membered chain in which Rmay also be a (substituted) heteroatom, and m+n is zero or 1.