High molecular weight polypropylene process

Details High molecular weight polypropylene process High molecular weight polypropylene process

C - Chemistry, Metallurgy

08

F

C08F 110/06 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2505692

A propylene polymerization process is disclosed. The process uses a fluorenyl- indenoindolyl catalyst precursor in the presence of an activator to obtain high molecular weight polypropylene with low degrees of isotacticity and syndiotacticity. In particular, the polypropylene has tacticity such that mmmm is 0 - 20% and rrrr is 0 - 60%.

L'invention concerne un procédé de polymérisation de propylène. Le procédé utilise un précurseur de catalyseur de fluorényl-indènoindolyle en présence d'un activateur pour obtenir un polypropylène de haut poids moléculaire avec de faibles degrés d'isotacticité et de syndiotacticité. En particulier, le polypropylène possède une tacticité telle que y telle que mmmm sont 0 - 20 % et rrrr sont 0 - 60 %.

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