SUBSTITUTED PYRIDYL AMINE LIGANDS, COMPLEXES, CATALYSTS AND PROCESSES FOR POLYMERIZING AND POLYMERS
New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English French |
Published |
16.05.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
L'invention se rapporte à des ligands, à des compositions, à des complexes métal-ligand, et à des ensembles comprenant des ligands de pyridylamine pouvant catalyser la polymérisation de monomères en polymères. Certains de ces catalyseurs, comportant des centres métalliques d'hafnium, sont dotés de caractéristiques garantissant de hautes performances, telle qu'une incorporation plus importante de comonomères dans des copolymères d'éthylène/d'oléfine, lesquelles oléfines étant par exemple 1-octène, isobutylène ou styrène. Certains de ces catalyseurs sont particulièrement efficaces pour la polymérisation d'un propylène en un polypropylène isotactique à poids moléculaire élevé dans un procédé de polymérisation en solution mis en oeuvre dans toute une variété de conditions de polymérisation. |
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AbstractList | New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
L'invention se rapporte à des ligands, à des compositions, à des complexes métal-ligand, et à des ensembles comprenant des ligands de pyridylamine pouvant catalyser la polymérisation de monomères en polymères. Certains de ces catalyseurs, comportant des centres métalliques d'hafnium, sont dotés de caractéristiques garantissant de hautes performances, telle qu'une incorporation plus importante de comonomères dans des copolymères d'éthylène/d'oléfine, lesquelles oléfines étant par exemple 1-octène, isobutylène ou styrène. Certains de ces catalyseurs sont particulièrement efficaces pour la polymérisation d'un propylène en un polypropylène isotactique à poids moléculaire élevé dans un procédé de polymérisation en solution mis en oeuvre dans toute une variété de conditions de polymérisation. |
Author | BOUSSIE, THOMAS, R GOH, CHRISTOPHER LECLERC, MARGAETE, K DIAMOND, GARY, M LAPOINTE, ANNE, M LUND, CHERYL HALL, KEITH, A MURPHY, VINCE |
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DocumentTitleAlternate | LIGANDS DE PYRIDYLAMINE SUBSTITUES, COMPLEXES, CATALYSEURS ET PROCEDES POUR LA POLYMERISATION, ET POLYMERES |
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Snippet | New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into... |
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Title | SUBSTITUTED PYRIDYL AMINE LIGANDS, COMPLEXES, CATALYSTS AND PROCESSES FOR POLYMERIZING AND POLYMERS |
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