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US 9,975,973 B2Granted
Asymmetric fluorenyl-substituted salan catalysts
AssigneeExxonMobil Chemical Patents Inc.
InventorsCrisita Carmen H. Atienza, David A. Cano, Meagan E. Evans
Life of this patent
Estimating the term…
Abstract
Catalyst compounds and catalyst systems including an asymmetric Salan ligands having a fluorenyl moiety are disclosed. Methods of preparing such catalyst compounds and catalyst systems, polymerization processes using such catalysts systems and olefin polymers prepared according to such processes using the catalysts systems are described.
Claims48
A catalyst compound represented by the Formula (I):
- wherein each solid line represents a covalent bond and each dotted line represents a bond having a varying degree of covalency and a varying degree of coordination;
- wherein M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20, hydrocarbyl radical, a functional group comprising elements from Groups 13 to 17 of the periodic table of elements or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, and R*1, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- or a functional group comprising elements from Groups 13 to 17 of the periodic table of elements optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- wherein R*1 comprises a group other than a substituted or unsubstituted fluorenyl group;
- and
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
7 more elements
A catalyst compound represented by the Formula:
- wherein M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20 hydrocarbyl radical, or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 may independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- and
- wherein each R22, R27, R28, R29, R30, R31, and R32 is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a C1 to C40 substituted hydrocarbyl radical, optionally two or more of R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R27, R28, R29, R30, R31, and R32 independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof, and
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
6 more elements
A catalyst compound represented by the Formula:
- wherein N is nitrogen;
- M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20 hydrocarbyl radical, or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 may idependently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- and
- each R26, R27, R28, R29, R30, and R31 is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a C1 to C40 substituted hydrocarbyl radical, optionally two or more of R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R26, R27, R28, R29, R30, and R31 independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof, and
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
7 more elements
A catalyst compound represented by the Formula:
- wherein N is nitrogen,
- M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20 hydrocarbyl radical, or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 may independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- and
- each R29, R30, R31, R32, R33, R34, R35, and R36 is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a C1 to C40 substituted hydrocarbyl radical, optionally two or more of R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R29, R30, R31, R32, R33, R34, R35, and R36 independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof, and
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
7 more elements
A catalyst compound represented by the Formula:
- where N is nitrogen,
- M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20 hydrocarbyl radical, or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 may independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- and
- each R22, R23, R24, R25, R26, R27, R28, R29, R30, and R31 is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a C1 to C40 substituted hydrocarbyl radical, optionally two or more of R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, and R31 independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof, and
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
7 more elements
A catalyst compound represented by the Formula:
- wherein
- M is a Group 3, 4, 5, or 6 transition metal;
- N1 and N2 are nitrogen;
- O is oxygen;
- each of X1 and X2 is, independently, a univalent C1 to C20 hydrocarbyl radical, a univalent substituted C1 to C20 hydrocarbyl radical, or X1 and X2 join together to form a C4 to C62 cyclic or polycyclic ring structure, provided that when M is trivalent X2 is not present;
- each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a substituted C1 to C40 hydrocarbyl radical;
- optionally, wherein two or more of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, and R21 may independently join together to form a C4 to C62 cyclic or polycyclic ring structure, or a combination thereof;
- and
- each R22, R23, R24, R25, and R26 is, independently, hydrogen, a C1 to C40 hydrocarbyl radical, or a C1 to C40 substituted hydrocarbyl radical, optionally two or more of R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, and R26 independently
- wherein Y is a C1 to C40 divalent hydrocarbylene radical comprising a linker backbone comprising from 1 to 18 carbon atoms bridging between nitrogen atoms N1 and N2.
7 more elements
Dependencies are inferred from the claim text.