C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/00 (2006.01) C07F 7/00 (2006.01) C07F 9/6568 (2006.01) C08F 4/64 (2006.01) C08F 110/02 (2006.01) C08F 4/659 (2006.01)
Patent
CA 2473502
A single-site olefin polymerization catalyst and method of making it are disclosed. The catalyst comprises an activator and an organometallic complex. The complex comprises a Group 3 to 10 transition metal, M, and at least one anionic heterocyclobutenyl ligand that is bonded to M. Molecular modeling results indicate that single-site catalysts based on anionic heterocyclobutenyl ligands will have advantages compared with the performance of catalysts based on cyclopentadienyl and substituted cyclopentadienyl ligands.
L'invention concerne un catalyseur de polymérisation d'oléfine isolé et un procédé de production associé. Ledit catalyseur comprend un activateur et un complexe organométallique. Ledit complexe comprend un métal de transition du groupe 3 à 10, M, et au moins un ligand hétérocyclobutényle anionique qui est lié à M. Les résultats de modélisation moléculaire indiquent que les catalyseurs isolés à base de ligands hétérocyclobutényle anioniques présenteront des avantages en vue d'une comparaison avec le rendement de catalyseurs à base de ligands cyclopentadiènyle et cyclopentadiènyle substitués.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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