C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/622 (2006.01) C08F 2/34 (2006.01) C08F 4/02 (2006.01) C08F 36/06 (2006.01)
Patent
CA 2247571
The present invention relates to a two-component supported catalyst, consisting of a) at least one transition metal compound applied on to an inorganic or polymeric organic supporting material, the metal being selected from the group of the d and f elements of the periodic table according to Mendeleev, b) at least one organometallic compound applied on to an inorganic or polymeric organic supporting material, the metal being selected from the group of the IIa, IIb and IIIb elements of the periodic table (F.A. Cotton, G. Wilkinson, Anorganische Chemie, 4th edition, VCH Verlagsgesellschaft mbH, Weinheim, 1985) and c) optionally at least one modifier which is supported on a) and/or on b), the transition metal compound in component a) being used in quantities of 0.1 to100 mmol, based on 100 g of the supporting material, and the organometallic compound in component b) being used in quantities of 0.1 to 100 mmol, based on 100 g of the supporting material, and component c) being used in quantities of 0.01 to 500 mmol, based on 100 g of the supporting material, and the supporting materials of components a) to b) being used in quantitative ratios by weight (g/g) of 1:10-3 to 1000, and at least one of components a) or b) having a supporting material with an average particle size before or during polymerisation of <25 µm.
La présente invention concerne un catalyseur sur support à deux constituants, composé : a) d'au moins un composé d'un métal de transition appliqué sur un support inorganique ou organique polymère, le métal étant choisi parmi le groupe constitué des éléments d et f du tableau périodique de Mendeléeff; b) d'au moins un composé organométallique appliqué sur le support inorganique ou organique polymère, le métal étant choisi parmi le groupe constitué des éléments des groupes IIa, IIb et IIIb du tableau périodique (F.A. Cotton, G. Wilkinson, Anorganische Chemie, 4e édition, VCH Verlagsgesellschaft mbH, Weinheim, 1985); et c) facultativement, d'au moins un modificateur supporté sur a) et/ou b). La quantité de métal de transition du constituant a) utilisée est de 0,1 à 100 mmol par 100 g de support; la quantité de composé organométallique du constituant b) utilisée est de 0,1 à 100 mmol par 100 g de support; la quantité de composé c) utilisée est de 0,01 à 500 mmol par 100 g de support. Le rapport des quantités (g/g) de support pour les constituants a) et b) a une valeur allant de 1:10 à 3:1 000. Au moins un des supports des constituants a) ou b) a une granulométrie moyenne avant et après polymérisation < 25 µm.
Steinhauser Norbert
Windisch Heike
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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