Stereo-rigid metallocenes useful in catalyst for cyclo-olefin copolymer prodn

Stereo-rigid metallocenes (I) contg. at least 2 opt. substd. cyclopentadienyl ligands, joined by a mono- or polycyclic ring system, in which at least one cyclopentadienyl gp. is annelated to this ring system, are new. Metallocenes with a 4-(eta5-3'-alkyl-cyclopentadienyl)-4,6,6-trimethyl- -(eta...

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Hauptverfasser: HERRMANN, HANS-FRIEDRICH., 64291 DARMSTADT, DE, WELLER, THOMAS., 55130 MAINZ, DE, KUEBER, FRANK., 61440 OBERURSEL, DE, BACHMANN, BERND., 65817 EPPSTEIN, DE, OSAN, FRANK., 65779 KELKHEIM, DE, ERKER, GERHARD, DR., 48159 MUENSTER, DE, PSIORZ, CHRISTIAN., 48161 MUENSTER, DE, AULBACH, MICHAEL., 65719 HOEIM, DE
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Sprache:eng ; ger
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Zusammenfassung:Stereo-rigid metallocenes (I) contg. at least 2 opt. substd. cyclopentadienyl ligands, joined by a mono- or polycyclic ring system, in which at least one cyclopentadienyl gp. is annelated to this ring system, are new. Metallocenes with a 4-(eta5-3'-alkyl-cyclopentadienyl)-4,6,6-trimethyl- -(eta5-2-alkyl-4,5-tetrahydropentalene) ligand system are excluded. Also claimed are catalyst components contg. supported and/or prepolymerised (I); the prodn. of a cycloolefin copolymer (II) in the presence of a catalyst contg. cpd(s). (I) and cocatalyst(s) (III); (II) pe se; polymer alloys contg. (II); mouldings contg. (II) or the polymer alloy; and the use of (I) in the prodn. of (II).