Catalyst system and its use in a polymerization process
AssigneeUnivation Technologies, LLC
InventorsMatthew W. Holtcamp, Tan H. Pham
Life of this patent
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Abstract
Disclosed are polymerization catalyst activator complexes prepared from the reaction of a carbenium salt and Lewis base containing an aromatic group. Also disclosed are polymerization catalyst activator complexes prepared via the reaction of a Group 13 element containing salt including a Lewis base containing an aromatic group and a tritylhalide compound. Also disclosed are polymerization catalyst systems including the activator complex of the invention, and processes for polymerizing olefin(s) utilizing same.
Claims32
A catalyst system comprising a catalyst compound and an activator complex wherein the activator complex is represented by the formula:
- [LQ—H+][MX4]−
- wherein L is an element selected from Group 14 of the Periodic Table of the Elements, substituted with three hydrocarbyl substituents;
- Q is an aryl substituted neutral Lewis base;
- M is an element selected from Group 13 of the Periodic Table of the Elements;
- Each X is independently is independently an aromatic hydrocarbon radical or a substituted aromatic hydrocarbon radical.
A catalyst system for polymerizing olefin(s) comprising contacting one or more olefins(s) with a catalyst system comprising a catalyst compound and activator comlex wherein the activator complex is represented by the fomula:
- [(R″3CC6Hn−1R′x)ZRyH+][MX4]−
- wherein Z is an element selected from Group 15 or 16 of the Periodic Table of Elements;
- each R is independenly selected from the group consisting of hydrogen, a hydrocarvyl group, an hadroxyl group, an aryl group, and an alkyl group;
- each R′ is independently selected from the group consisting on hydrogen, a hydrocarvyl group, a hlohgen, a heteroatom, and a beteroatom, containing group
- each R″ is independently selected from one of a hydrocarbyl group, or a substituted hydrocarbyl group;
- y is an integer from 1 to 5;
- x is an integer from 1 to 4;
- x+n=5;
- M is end element selected from Group 13 of the Periodic Table of the Elements;
- and each X is independently an aromatic hydrocarbon radical or a substituterd aromatic hydrocarbon radical.
A catalyst system for polymerizing olefin(s) comprising contacting one or more olefin(s) with a catalyst system comprising a catalyst compound and an activator complex wherein the activator complex is, represented by formula:
- X3M−—[LQ—H+]
- wherein each X is independently an aromatic hydrocarbon radical or a substituted aromatic hydrocarbon radical;
- M is an element selected from Group 13 of the Periodic Table of the Elements;
- Q is an aryl substituted neutral Lewis base;
- and
- L is a positively charged derivative of a Group 14 element of the Periodic Table substituted with three substituted or unsubstituted hydrocarbyl substituents having from 1 to 50 carbon atoms.
Dependencies are inferred from the claim text.