Back to results
US 10,927,134 B2Granted
Bridged phenolate transition metal complexes, production, and uses thereof
AssigneeExxonMobil Chemical Patents Inc.
InventorsCrisita Carmen H. Atienza, David A. Cano, Catherine A. Faler, Margaret T. Whalley
Life of this patent
Estimating the term…
Abstract
The present disclosure provides transition metal catalysts and the respective bridged phenolate ligands contained on the catalyst, as well as, catalyst systems and polymerization processes for producing polyolefins. The catalysts and the catalyst systems provide catalytic activity values of greater than 100 kg/mmol-hr, such as greater than 400 kg/mmol-hr or greater than 500 kg/mmol-hr.
Claims44
A transition metal complex represented by Formula (II):
- wherein:
- M is a Group 4 transition metal;
- each Q is independently a Group 15 atom or a Group 16 atom;
- each n is independently 0 or 1, wherein n is 0 if Q is a Group 16 atom or n is 1 if Q is a Group 15 atom;
- L1 is
- and is not part of an aromatic ring;
- L2 is
- and is not part of an aromatic ring, wherein y is an integer of 2, 3, 4, 5, 6, 7, 8, 9, or 10;
- each X1 and X2 is independently a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic hydrocarbyl, a heteroatom, or a heteroatom-containing group;
- or X1 and X2 are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group;
- R1 is a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C1-C15 diyl;
- each R2 is independently a hydrogen, a halogen, a substituted or unsubstituted C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R2 groups are joined together to form a C4-C62 cyclic, polycyclic, or heterocyclic group that is not aromatic;
- each R3 is independently a hydrogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- and
- each R4, R5, R6, R7, R8, R9, R10, and R11 is independently a hydrogen, a halogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R4-R11 groups are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group.
14 more elements
A transition metal complex represented by Formula (V):
- wherein:
- M is a Group 4 transition metal;
- each X1 and X2 is independently a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic hydrocarbyl, a heteroatom, or a heteroatom-containing group;
- or X1 and X2 are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group;
- R1 is a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C1-C18 diyl;
- each R3 is independently a hydrogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- and
- each R4, R5, R6, R7, R8, R9, R10, and R11 is independently a hydrogen, a halogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R4-R11 groups are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group.
6 more elements
A transition metal complex represented by Formula (VI):
- wherein:
- M is Ti, Zr, or Hf,
- each X1 and X2 is independently a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic hydrocarbyl, a heteroatom, or a heteroatom-containing group;
- or X1 and X2 are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group;
- each R3 is independently a hydrogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- and
- each R4, R5, R6, R7, R8, R9, R10, and R11 is independently a hydrogen, a halogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R4-R11 groups are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group.
5 more elements
A transition metal complex represented by Formula (VII(a)):
- wherein M is Ti, Zr, or Hf.
A ligand represented by Formula (I):
- wherein:
- each Q is independently a Group 15 atom or a Group 16 atom,
- each n is independently 0 or 1, wherein n is 0 if Q is a Group 16 atom or n is 1 if Q is a Group 15 atom;
- L1 is
- and is not part of an aromatic ring;
- L2 is
- and is not part of an aromatic ring, wherein y is an integer of 2, 3, 4, 5, 6, 7, 8, 9, or 10;
- R1 is a substituted or unsubstituted linear, branched, cyclic, polycyclic, heterocyclic, or aromatic C1-C18 diyl;
- each R2 is independently a hydrogen, a halogen, a substituted or unsubstituted C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R2 groups are joined together to form a C4-C62 cyclic, polycyclic, or heterocyclic group that is not aromatic;
- each R3 is independently a hydrogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- and
- each R4, R5, R6, R7, R8, R9, R10, and R11 is independently a hydrogen, a halogen, a substituted or unsubstituted linear, branched, cyclic, polycyclic, aromatic, or polyaromatic C1-C40 hydrocarbyl, or a heteroatom-containing group;
- or two or more adjacent R4-R11 groups are joined together to form a C4-C62 cyclic, polycyclic, heterocyclic, or aromatic group.
11 more elements
A ligand represented by Formula (IV(a)):
Dependencies are inferred from the claim text.