C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 210/14 (2006.01) C08F 4/646 (2006.01) C08F 10/14 (2006.01)
Patent
CA 2091303
33080CA ABSTRACT OF THE INVENTION A process comprising contacting under polymerization conditions: at least one trialkylaluminum cocatalyst; at least one alpha-olefin which has a methyl branch at the 3-position and which has at least five carbon atoms and at least one comonomer; with a catalyst prepared by the process comprising comminuting, at least one aluminum halide, at least one electron donor, at least one metal compound wherein the metal is selected from the group consisting of chromium, hafnium, molybdenum, niobium, tantalum, titanlum, tungsten, vanadium, zirconium, and mixtures thereof, a salt compound wherein at least one component of said salt compound is selected from the group consisting of barium, beryllium, calcium, magnesium, strontium, zinc, and mixtures thereof, to produce a comminuted solid then subjecting said comminuted solid to a double activation-extraction step; to produce a copolymer at a productivity level of at least 700 grams of copolymer per gram of catalyst utilized.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
LandOfFree
Polymerization process to prepare a polyolefin from... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polymerization process to prepare a polyolefin from..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymerization process to prepare a polyolefin from... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2028022