C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/00 (2006.01) C08F 4/02 (2006.01)
Patent
CA 2581560
The invention relates to supports comprising inorganic oxide nanoparticles coated with magnesium chloride and a method for making them. The inorganic oxide has a mean particle diameter of less than 5 microns and is used as a seed to crystallize magnesium chloride from solution. The magnesium chloride- coated inorganic oxide is useful for supporting transition metal compounds; the supported transition metal compounds are used as catalysts for polymerizing olefins.
Cette invention concerne des supports comprenant des nanoparticules d'un oxyde inorganique enrobé de chlorure de magnésium, et une méthode de production desdits supports. L'oxyde inorganique présente un diamètre moyen des particules inférieur à 5 microns et est utilisé comme semence pour cristalliser le chlorure de magnésium en solution. L'oxyde inorganique enrobé de chlorure de magnésium est utile pour recevoir des composés de métaux de transition, lesquels composés sont employés comme catalyseurs de polymérisation d'oléfine.
Kelndworth Douglas D.
Kist Edward D.
Reinking Mark K.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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