C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/78 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01)
Patent
CA 2124732
Chromium catalyst compositions are provided. These chromium catalyst compositions comprise at least two chromium catalyst systems that have a certain amount of chromium and a support that comprises silica and titania. the supports halve certain pore volumes and surface areas. These catalyst compositions are useful for homopolymerizing ethylene or copolymerizing ethylene with a comonomer. The resins produced are useful in film applications.
Des compositions de catalyseur au chrome sont offertes. Ces compositions catalytiques comprennent au moins deux systèmes de catalyseur au chrome qui comportent une certaine quantité de chrome et un support qui comprend de la silice et de l'anhydride titanique. Les supports ont certains volumes poreux et certaines aires spécifiques. Ces compositions catalytiques sont utiles pour homopolymériser l'éthylène ou copolymériser l'éthylène avec un comonomère. Les résines produites sont utiles dans la fabrication de pellicules.
Bailey F. Wallace
Benham Elizabeth A.
Coutant William R.
Mcdaniel Max P.
Rollman Kent W.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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