B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/22 (2006.01) B01J 31/18 (2006.01) C08F 4/02 (2006.01) C08F 10/02 (2006.01) C08F 210/16 (2006.01)
Patent
CA 2580990
A process for polymerizing ethylene is disclosed. A magnesium chloride-alcohol is used to support an organometallic complex comprising a Group 3 to 10 transition metal and an indenoindolyl ligand. The supported organometallic complex is mixed with an activator and ethylene and the ethylene is polymerized. Use of magnesium chloride containing an alcohol as the support provides an unexpected boost in catalyst activity and improves polymer rheological properties.
L'invention décrit un procédé pour la polymérisation de l'éthylène. Un support alcool-chlorure de magnésium est utilisé pour un complexe organométallique comprenant un métal de transition des groupes 3 à 10 et un ligand indénoindolyle. Le complexe organométallique supporté est mélangé avec un activateur et l'éthylène, et l'éthylène est polymérisé. L'utilisation de chlorure de magnésium contenant un alcool en tant que support permet d'augmenter de manière inespérée l'activité du catalyseur et améliore les propriétés rhéologiques du polymère.
Klendworth Douglas D.
Reinking Mark K.
Wang Shaotian
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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