Polymerization catalyst comprising chromium and...

Details Polymerization catalyst comprising chromium and... Polymerization catalyst comprising chromium and...

C - Chemistry, Metallurgy

08

F

C08F 4/62 (2006.01) C08F 4/24 (2006.01) C08F 10/00 (2006.01) C08F 10/14 (2006.01) C08F 210/00 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2390617

An olefin polymerization process is provided comprising contacting an olefin monomer with chromium oxide on a titanium containing silica support having less than about 3 weight percent titanium in combination with an organoboron promoter. Polymers thus produced are useful for blow molding applications.

Le procédé de polymérisation d'oléfine de l'invention consiste à prendre un monomère d'oléfine et à le mettre en contact avec un oxyde de chrome. En l'occurrence, on utilise un support silicique contenant du titane à raison d'environ 3% en masse au maximum, en association avec un promoteur organoboré. Les polymères ainsi produits sont particulièrement adaptés aux applications de moulage par soufflage.

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