Post-metallocene compounds

Patent metadata

Field	Value
Publication number	US-12371448-B2
Application number	US-202117800573-A
Country	US
Kind code	B2
Filing date	Apr 13, 2021
Priority date	Apr 24, 2020
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

The present invention relates to a compound according to formula 1: wherein: •each of R 1 to R 12 may individually be a moiety selected from hydrogen, an aryl moiety, an aryl moiety, a halogen, an alkyl or aryl moiety with halogen substituent(s), an alkoxy moiety, a siloxy moiety, or a nitrogen-containing moiety, wherein each R moiety may optionally form a ring structure with an adjacent R moiety; •each of A 1 and A 2 may individually be a moiety selected from: o an element of Group 16 of the periodic system; and o a moiety containing an element of Group 15 of the periodic system; preferably wherein A 1 and A 2 are selected from O or NR 13 , wherein R 13 is an alkyl, aryl or aralkyl moiety, preferably a substituted or unsubstituted phenyl moiety, preferably a p-tolyl moiety; •T is a divalent hydrocarbyl moiety; •D is a substituted element of Group 15 or Group 16 of the periodic system, preferably an N(R 14 ) 2 or OR 14 moiety, in which R 14 is selected to be an alkyl moiety, an aryl moiety, or an aralkyl moiety, preferably R 14 is a methyl moiety; •Y is an element selected from Group 15 of the periodic system, preferably N; •Mt is a transition metal, preferably selected from Group 3 or 4 of the periodic system, more preferably selected from Ti, Hf and Zr; •X is a sigma-bonded ligand, preferably selected from a halogen, an alkyl moiety, an aralkyl moiety, an alkoxy moiety, an aryloxy moiety, and a dialkylamine moiety; and Classification: General Business Use •n is the amount of X ligands bonded to X. Such compound allow for use in catalysts that result in high molecular weight polymers, display high catalyst activities and give excellent comonomer incorporation.

First claim

The invention claimed is:

1. A compound according to formula 1:

wherein:
each of R 1 to R 12 is individually a moiety selected from hydrogen, an aryl moiety, an aryl moiety, a halogen, an alkyl or aryl moiety with halogen substituent(s), an alkoxy moiety, a siloxy moiety, or a nitrogen-containing moiety, wherein each R moiety may optionally form a ring structure with an adjacent R moiety;
each of A 1 and A 2 is individually a moiety selected from:
an element of Group 16 of the periodic system; and
a moiety containing an element of Group 15 of the periodic system;

T is a divalent hydrocarbyl moiety;
D is a substituted element of Group 15 or Group 16 of the periodic system;
Y is an element selected from Group 15 of the periodic system;
Mt is a transition metal;
X is a sigma-bonded ligand; and
n is the amount of X ligands bonded to Mt.

2. The compound according to claim 1 , wherein each of R 1 and R 12 is individually selected to be a moiety selected from t-butyl, adamantyl, 9H-carbazole-9-yl, hydrogen, and phenyl.

3. The compound according to claim 1 , wherein R 1 and R 12 are the same or wherein R 1 and R 12 are different.

4. The compound according to claim 1 , wherein each of R 3 and R 10 is individually selected to be a moiety selected from hydrogen, t-butyl and methyl.

5. The compound according to claim 1 , wherein each of R 2 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 11 is hydrogen.

6. The compound according to claim 1 , wherein T is selected from an ethylene moiety (—CH 2 —CH 2 —) and a n-propylene moiety (—CH 2 —CH 2 —CH 2 —).

7. The compound according to claim 1 , wherein Y is nitrogen.

8. The compound according to claim 1 , wherein:
D is O(CH 3 ) or N(CH 3 ) 2 ;
T is ethyl or n-propyl;
Y is N;
A 1 is O or N(p-tolyl); and
A 2 is O or N(p-tolyl).

9. A catalyst system comprising a compound according to claim 1 .

10. The catalyst system according to claim 9 , further comprising an activator, wherein the activator is selected from an aluminoxane compound and a boron-based compound, optionally in the presence of an aluminium alkyl compound.

11. The catalyst system according to claim 10 , wherein the aluminoxane compound is selected from a methyl aluminoxane, an isobutyl aluminoxane, and a methyl-isobutyl aluminoxanes; or wherein the boron-based compound is selected from a tris(pentafluorophenyl) borane and a tetrakis(pentafluorophenyl) borate.

12. The catalyst system according to claim 9 , wherein the catalyst system comprises the compound carried on a support material, wherein the support material is selected from a polymeric support material, a clay material, a solid aluminoxanes, or an inorganic oxide.

13. A process for the polymerisation of olefins, comprising polymerizing olefins in the presence of a catalyst system according to claim 9 .

14. The process according to claim 13 , wherein the process is a homopolymerisation process of ethylene, a homopolymerisation process of propylene, a copolymerisation process of ethylene with a comonomer, or a copolymerisation process of propylene with a comonomer.

15. The process according to claim 13 , wherein the process is a gas-phase process, a solution process, or a slurry process.

16. The compound of claim 1 , wherein A 1 and A 2 are independently O or NR 13 , wherein R 13 is an alkyl, aryl or aralkyl moiety.

17. The compound of claim 1 , wherein D is an N(R 14 ) 2 or OR 14 moiety, in which R 14 is an alkyl moiety, an aryl moiety, or an aralkyl moiety.

Assignees

• Sabic Global Technologies Bv

Inventors

• Friederichs Nicolaas Hendrika
• Voskoboynikov Alexander
• Uborsky Dmitry
• Busico Vincenzo
• Cipullo Roberta
• Vittoria Antonio
• Mladentsev Dmitry
• Goryunov Georgy

Classifications

• C08F10/00 Primary

  Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond · CPC title

• C08F4/65912

  in combination with an organoaluminium compound · CPC title

• C07F7/00

  Compounds containing elements of Groups 4 or 14 of the Periodic Table · CPC title

• C08F2/34

  Polymerisation in gaseous state · CPC title

• C08F2/04

  Polymerisation in solution (C08F2/32 takes precedence) · CPC title