C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/02 (2006.01) C08F 4/6592 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2746995
The present invention provides a polymerization process which is conducted by contacting an olefin monomer and at least one olefin comonomer in the presence of hydrogen and a metallocene- based catalyst composition. Polymers produced from the polymerization process are also provided, and these polymers have a reverse comonomer distribution, low levels of long chain branches, and a ratio of Mw/Mn from about 3 to about 6.
La présente invention concerne un procédé de polymérisation mis en uvre par mise en contact d'un monomère oléfinique et d'au moins un comonomère oléfinique en présence d'hydrogène et d'une composition de catalyseur à base de métallocène. L'invention concerne également les polymères obtenus par ce procédé de polymérisation, lesquels présentent une distribution inversée des comonomères, de faibles teneurs en ramifications à longue chaîne, et un rapport Mw/Mn d'environ 3 à environ 6.
Crain Tony R.
Deslauriers Paul J.
Fodor Jeffrey S.
Lanier Jerry T.
Martin Joel L.
Chevron Phillips Chemical Company Lp
Finlayson & Singlehurst
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