Bis(heterocyclic-olate) Lewis base catalysts and methods thereof
The present disclosure relates to bis(heterocyclic-olate) Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the bis(heterocyclic-olate) Lewis base catalysts, can be stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high molecular weights or polymers having low to very molecular weights, and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.
1 . A catalyst compound represented by Formula (I):
wherein:
M is a group 3, 4, or 5 metal;
each A 1 and A 2 is independently an aromatic, a substituted aromatic, or alkenediyl group;
heterocyclic ring fragments —(Z 1 Z 2 )— and —(Z 3 Z 4 )— are independently selected from —(Z 3 Z 6 )— or —(Z 6 Z 5 )—, with Z 5 being selected from oxygen, sulfur, S(O), S(O) 2 , and N(R 50 ), and Z 6 being selected from nitrogen and C(R 51 ), wherein each R 50 and R 51 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
each of R 4 and R 5 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
J is a heterocyclic Lewis base;
each Q 1 and Q 2 is independently selected from oxygen, sulfur, N(R 30 ), or P(R 30 ), wherein R 30 is C 1 -C 40 hydrocarbyl, substituted C 1 -C 40 hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
L is a Lewis base, optionally any two L groups join together to form a bidentate Lewis base;
X is an anionic ligand, optionally an X group is joined to an L group to form a monoanionic bidentate group, or optionally, any two X groups are joined together to form a dianionic ligand;
n is 1, 2 or 3;
m is 0, 1, or 2; and
n+m is not greater than 4.
2 . The catalyst compound of claim 1 , wherein A 1 is represented by the formula:
wherein indicates a connection to the catalyst compound, and
each of R 9 , R 10 , R 11 , and R 12 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group, or one or more of R 9 and R 10 , R 10 and R 11 , or R 11 and R 12 may be joined to form one or more substituted hydrocarbyl rings, unsubstituted hydrocarbyl rings, substituted heterocyclic rings, or unsubstituted heterocyclic rings each having 5, 6, 7, or 8 ring atoms.
3 . The catalyst compound of claim 1 , wherein A 2 is represented by the formula:
wherein indicates a connection to the catalyst compound, and
each of R 13 , R 14 , R 15 , and R 16 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group, or one or more of R 13 and R 14 , R 14 and R 15 , or R 15 and R 16 may be joined to form one or more substituted hydrocarbyl rings, unsubstituted hydrocarbyl rings, substituted heterocyclic rings, or unsubstituted heterocyclic rings each having 5, 6, 7, or 8 ring atoms.
4 . The catalyst compound of claim 1 , wherein the catalyst compound features a tridentate dianionic ligand that is coordinated to the metal to form a pair of 8-membered metallocycle rings.
5 . The catalyst compound of claim 1 , wherein J is a group 15-containing heterocycle, or a group 16-containing heterocycle.
6 . The catalyst compound of claim 1 , wherein J is a nitrogen-containing heterocycle, an oxygen-containing heterocycle, a phosphorus-containing heterocycle, or a sulfur-containing heterocycle.
7 . The catalyst compound of claim 1 , wherein J is selected from a pyridine, a pyrimidine, a pyrazine, a thiazole, an oxazole, an oxazoline, an imidazole, a furan, or a thiofuran.
8 . The catalyst compound of claim 1 , wherein J is represented by the formula:
wherein indicates a connection to the catalyst compound; E is oxygen, sulfur, or N(R 20 ); Z 7 is selected from nitrogen or C(R 18 ); Z 8 is selected from nitrogen and C(R 19 ); and each of R 17 , R 18 , R 19 , and R 20 is independently selected from hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group.
9 . The catalyst compound of claim 1 , wherein the catalyst compound represented by Formula (I) is represented by Formula (II) or Formula (III):
wherein:
each Q 1 and Q 2 are independently selected from oxygen, sulfur, N(R 30 ), or P(R 30 ), wherein R 30 is C 1 -C 40 hydrocarbyl, substituted C 1 -C 40 hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
heterocyclic ring fragments —(Z 1 Z 2 )— and —(Z 3 Z 4 )— are selected from —(Z 5 Z 6 )— or —(Z 6 Z 5 )—, with Z 5 selected from oxygen, sulfur, S(O), S(O) 2 , and N(R 50 ), and Z 6 selected from nitrogen and C(R 51 ), wherein each R 50 and R 51 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
Z 7 is selected from nitrogen and C(R 18 );
Z 8 is selected from nitrogen and C(R 19 );
E is oxygen, sulfur, or N(R 20 );
each of R 4 and R 5 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group;
each of R 9 , R 10 , R 11 , and R 12 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group, or one or more of R 9 and R 10 , R 10 and R 11 , or R 11 and R 12 may be joined to form one or more substituted hydrocarbyl rings, unsubstituted hydrocarbyl rings, substituted heterocyclic rings, or unsubstituted heterocyclic rings each having 5, 6, 7, or 8 ring atoms;
each of R 13 , R 14 , R 15 , and R 16 is independently hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group, or one or more of R 13 and R 14 , R 14 and R 15 , or R 15 and R 16 may be joined to form one or more substituted hydrocarbyl rings, unsubstituted hydrocarbyl rings, substituted heterocyclic rings, or unsubstituted heterocyclic rings each having 5, 6, 7, or 8 ring atoms;
each of R 17 , R 18 , R 19 and R 20 is hydrogen, C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group, or one or more of R 17 and R 18 , R 18 and R 19 may be joined together to form one or more substituted hydrocarbyl rings, unsubstituted hydrocarbyl rings, substituted heterocyclic rings, or unsubstituted heterocyclic rings each having 5, 6, 7, or 8 ring atoms;
M is a group 3, 4, or 5 metal;
L is a Lewis base;
X is an anionic ligand;
n is 1, 2 or 3;
m is 0, 1, or 2;
n+m is not greater than 4;
any two L groups may be joined together to form a bidentate Lewis base;
an X group may be joined to an L group to form a monoanionic bidentate group; and
any two X groups may be joined together to form a dianionic ligand.
10 . The catalyst compound of claim 9 , wherein M is zirconium or hafnium.
11 . The catalyst compound of claim 10 , wherein R 9 through R 17 are hydrogen.
12 . The catalyst compound of claim 11 , wherein R 4 and R 5 are each selected from C 1 -C 40 hydrocarbyl, C 1 -C 40 substituted hydrocarbyl, or a heteroatom-bonded monovalent group containing up to 40 atoms, wherein —(Z 1 Z 2 )— and —(Z 3 Z 4 )— are selected from —(Z 5 Z 6 )— or —(Z 6 Z 5 )—, with Z 5 is oxygen or sulfur, and wherein R 4 and R 5 are each selected from C 4 -C 40 cyclic tertiary hydrocarbyl groups.
13 . The catalyst compound of claim 9 , wherein Z 7 is C(R 18 ), wherein R 18 is selected from hydrogen, trifluoromethyl, methoxy, Me 2 N, or halogen atom, wherein Z 8 is C(R 19 ), wherein R 18 is hydrogen, wherein R 4 and R 5 are each selected from C 4 -C 20 hydrocarbyl, tertiary hydrocarbyl, or cyclic tertiary hydrocarbyl, and wherein each of R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , and R 17 is independently hydrogen or C 1 -C 10 alkyl.
14 . The catalyst compound of claim 13 , wherein R 4 and R 5 are each selected from C 6 -C 20 aryl, tertiary hydrocarbyl, cyclic tertiary hydrocarbyl, adamantan-1-yl, 3,5-dimethyladamantan-1-yl, or 3,5,7-trimethyladamantan-1-yl.
15 . The catalyst compound of claim 1 , wherein the catalyst compound is selected from the following, with M=Zr or Hf; and R=C 1 -C 20 hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group:
16 . The catalyst compound of claim 1 , wherein the catalyst compound is selected from the following, with M=Zr or Hf; and R=C 1 -C 20 hydrocarbyl, a monovalent heteroatom, or a heteroatom-bonded monovalent group:
17 . A catalyst system comprising an activator and the catalyst compound of claim 1 .
18 . A process for the production of an ethylene based polymer comprising: polymerizing ethylene by contacting the ethylene with a catalyst system of claim 17 , in one or more continuous stirred tank reactors or loop reactors, in series or in parallel, at a reactor pressure of from 0.05 MPa to 1,500 MPa and a reactor temperature of from 30° C. to 230° C.
19 . The process of claim 18 , wherein the ethylene based polymer has an Mw value of from 2,000 g/mol to 3,000,000 g/mol, Mn value of from 1,000 g/mol to 2,000,000 g/mol, Mz value of from 10,000 g/mol to 10,000,000 g/mol, and an Mw/Mn of from 1 to 5.
20 . The process of claim 18 , wherein the ethylene based polymer has a melting point of from 110° C. to 150° C.
21 . A process for the production of a propylene based polymer comprising: polymerizing propylene by contacting the propylene with a catalyst system of claim 17 , in one or more continuous stirred tank reactors or loop reactors, in series or in parallel, at a reactor pressure of from 0.05 MPa to 1,500 MPa and a reactor temperature of from 30° C. to 230° C.
22 . The process of claim 21 , wherein the propylene based polymer has an Mw value of from 500 g/mol to 15,000 g/mol, Mn value of from 500 g/mol to 15,000 g/mol, Mz value of from 500 g/mol to 20,000 g/mol, and an Mw/Mn of from 1 to 5.
23 . The process of claim 21 , wherein the propylene based polymer has a melting point of from 50° C. to 150° C.
24 . A process for the production of an ethylene alpha-olefin copolymer comprising: polymerizing ethylene and at least one C 3 -C 20 alpha-olefin by contacting the ethylene and the at least one C 3 -C 20 alpha-olefin with a catalyst system of claim 17 , in one or more continuous stirred tank reactors or loop reactors, in series or in parallel, at a reactor pressure of from 0.05 MPa to 1,500 MPa and a reactor temperature of from 30° C. to 230° C.
25 . The process of claim 24 , wherein the ethylene alpha-olefin copolymer has a comonomer content of 0.1 wt % to 50 wt %, an Mw value of from 1,000 g/mol to 3,000,000 g/mol, and Mz value of from 1,000 g/mol to 10,000,000 g/mol, an Mn value of from 1,000 g/mol to 1,000,000 g/mol, and an Mw/Mn of from 1 to 5.
26 . The process of claim 24 , wherein the ethylene alpha-olefin copolymer has a melting point of from 100° C. to 140° C.
27 . A process for the production of a propylene alpha-olefin copolymer comprising: polymerizing propylene and ethylene or at least one C 4 -C 20 alpha-olefin by contacting the propylene and the ethylene or at least one C 3 -C 20 alpha-olefin with a catalyst system of claim 17 , in one or more continuous stirred tank reactors or loop reactors, in series or in parallel, at a reactor pressure of from 0.05 MPa to 1,500 MPa and a reactor temperature of from 30° C. to 230° C.
28 . The process of claim 27 , wherein the propylene alpha-olefin copolymer has a comonomer content of 0.1 wt % to 35 wt %, an Mw value of from 1,000 g/mol to 3,000,000 g/mol, and Mz value of from 1,000 g/mol to 10,000,000 g/mol, an Mn value of from 1,000 g/mol to 1,000,000 g/mol, and an Mw/Mn of from 1 to 5.
29 . The process of claim 27 , wherein the propylene alpha-olefin copolymer has a melting point of from 100° C. to 140° C.