Fulvene, metallocene catalysts and preparation method...

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 4/76 (2006.01) C07C 13/15 (2006.01) C07C 45/58 (2006.01) C07C 45/59 (2006.01) C07C 49/687 (2006.01) C07C 49/707 (2006.01) C07C 49/747 (2006.01) C07C 49/753 (2006.01) C08F 4/64 (2006.01) C08F 10/02 (2006.01) C08F 32/04 (2006.01) C08F 110/02 (2006.01) C08F 210/02 (2006.01) C08F 232/04 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2464518

The present invention relates to a novel fulvene compound and a preparation method thereof, and more particularly to a fulvene compound having substituted groups in the 2- and 5-positions, prepared from an unsaturated ketone having a substituted group in the .beta.- position and a halogen atom in the .alpha.- position, and a preparation method thereof. The present invention also relates to a metallocene catalyst having a substituted group in the .alpha.-position carbon of the bridge of the cyclopentadienyl group only by reaction of a fulvene compound and an anion group including the cyclopentadienyl group, and a preparation method of a polyolefin copolymer using the same.

La présente invention concerne un nouveau composé fulvène ainsi que son procédé de préparation, et plus particulièrement un composé fulvène ayant des groupes substitués dans les positions 2 et 5, préparé à partir d'une cétone insaturée ayant un groupe substitué dans la position .beta. ainsi qu'un atome d'halogène dans la position .alpha., et son procédé de préparation. La présente invention concerne également un catalyseur à métallocènes ayant un groupe substitué dans le carbone en position .alpha. du pont du groupe cyclopentadiényle, uniquement par réaction d'un composé fulvène et d'un groupe anionique contenant le groupe cyclopentadiényle et un procédé de préparation d'un copolymère polyoléfinique les utilisant.

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