C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/64 (2006.01) C08F 4/646 (2006.01) C08F 4/654 (2006.01) C08F 10/00 (2006.01) C08F 110/06 (2006.01)
Patent
CA 2207428
A process for preparing a solid titanium catalyst component, comprising the steps of: (1) preparing a suspension containing a solid material comprising a polycarboxylic ester borne on a solid product prepared by bringing a magnesium compound and a first titanium compound into contact with each other; (2) separating the solid material from the suspension; and (3) bringing the solid material and a second titanium compound into contact with each other under heating, characterized in that the solid material is held at a temperature in the range of from 70 to 130 ~C during the period between the separation of the solid material from the suspension in the step (2) and the transfer of the separated solid material to the step (3).
L'invention concerne un procédé pour préparer un catalyseur solide contenant un composé du titane, consistant à (1) préparer une suspension contenant des matières solides comprenant un ester polycarboxylique porté par un produit solide préparé en mettant en contact mutuel un composé du magnésium et un premier composé du titane; (2) séparer les matières solides de la suspension; et (3) amener les matières solides et un second composé du titane en contact mutuel, en chauffant. Le procédé est caractérisé par le fait que les matières solides sont maintenues à une température dans la plage de 70 à 130 ~C entre l'opération de séparation des matières solides de la suspension de l'étape (2) et le transfert des matières solides séparées de l'étape (3).
Kioka Mamoru
Kojo Shinichi
Yashiki Tsuneo
Mitsui Chemicals Inc.
Mitsui Petrochemical Industries Ltd.
Smart & Biggar
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