Back to results
US 2022/0127387 A1Published application
Pyridyl Hydroxyl Amine Catalyst Compounds and Systems for Olefin Polymerization
AssigneeExxonMobil Chemical Patents Inc.
InventorsAlex E. Carpenter, Danielle G. Singleton, Tzu-Pin Lin
Life of this patent
Estimating the term…
Abstract
The present disclosure provides pyridyl hydroxyl amine catalyst compounds and systems containing the compounds. The present disclosure is also directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support. The compounds are represented by Formula I(a), I(b) or I(c):
Claims19
A catalyst compound represented by Formula I(a), I(b) or I(c):
- wherein:
- M is a group 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 metal
- R1 and R6 are independently selected from the group consisting of hydrocarbyl, substituted hydrocarbyl, silyl, and substituted silyl groups;
- R2, R3, R4, R5, R7, R8, R9, R10, R11 and R12 are independently selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl, alkoxy, silyl, amino, aryloxy, halogen and phosphino;
- wherein any two adjacent R groups may be joined to form a saturated or unsaturated hydrocarbyl, substituted hydrocarbyl, or heterocyclic ring, wherein the ring has 5, 6, 7, or 8 ring atoms and wherein substitutions on the ring can join to form additional rings;
- and
- each X is independently an anionic leaving group;
- wherein any two adjacent X groups may be joined together to form a dianionic group.
5 more elements
Dependencies are inferred from the claim text.