C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 17/00 (2006.01) C07C 17/16 (2006.01) C07C 17/266 (2006.01) C07C 17/269 (2006.01) C07C 17/35 (2006.01) C07C 25/18 (2006.01) C07C 25/22 (2006.01) C07C 35/40 (2006.01) C07C 49/747 (2006.01) C07C 323/08 (2006.01) C08F 4/622 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 36/20 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)
Patent
CA 2292243
Organo-metallic composition without boron, comprising an extensively fluorinated organic compound, stable to the air, having a di-unsaturated cycle with five or six carbon atoms, and an alkyl derivative of magnesium or, preferably, of aluminum. Said composition can be used as activator of a metallocene complex of group 4 of the periodic table of elements to form a catalyst with a high activity and low metal content for the polymerization of .alpha.-olefins.
Composition organométallique sans bore, comportant un composé hautement fluoré, stable en présence d'air comptant un cycle à cinq ou six atomes de carbone à deux degrés d'insaturation, ainsi qu'un dérivé alkylé de magnésium ou, de préférence, d'aluminium. La composition en question peut être employée comme activateur d'un métallocène du groupe 4 du tableau périodique afin de générer un catalyseur hautement actif à faible teneur en métal pour la polymérisation des alpha-oléfines.
Borsotti Giampietro
Masi Francesco
Proto Antonio
Santi Roberto
Sommazzi Anna
Enichem S.p.a.
Robic
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