Anionic group iii complexes as weakly coordinating anions for olefin polymerization catalyst activators

Patent metadata

Field	Value
Publication number	US-2022162352-A1
Application number	US-202017599095-A
Country	US
Kind code	A1
Filing date	Mar 24, 2020
Priority date	Mar 28, 2019
Publication date	May 26, 2022
Grant date	—

Abstract

Embodiments include activators having a structure according to formula (I).

First claim

1 . An activator having a structure according to formula (I):

where:
M is a metal in a +3 oxidation state, the metal being selected from boron, aluminum, gallium, scandium, yttrium, or a lanthanide;
[Cat] + is a cation;
R 1 , R 2 , R 3 , R 4 R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 are independently chosen from (C 1 -C 40 )alkyl, (C 6 -C 40 )aryl, —H, —NR C 2 , —OR C , —SR C , or halogen, wherein each R C is independently a (C 1 -C 30 )hydrocarbyl or —H, provided at least one of R 1-4 , and one of R 5-8 , and one of R 9-12 , and one of R 13-16 is a fluorine-substituted (C 1 -C 40 )alkyl, a fluorine-substituted (C 6 -C 40 )aryl, or —F; and
R 17 and R 18 are (C 1 -C 40 )alkyl, (C 1 -C 40 )heteroalkyl, a fluorine-substituted (C 1 -C 40 )alkyl, or a fluorine-substituted (C 6 -C 40 )aryl.

2 . The activator of claim 1 , wherein R 1 , R 2 , R 3 , R 4 R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , and R 16 are independently (C 1 -C 10 )alkyl, —F, or —H, provided at least one of R 1-4 , and one of R 5-8 , and one of R 9-12 , and one of R 13-16 is a fluorine-substituted (C 1 -C 10 )alkyl or —F.

3 . The activator of claim 1 , wherein R 17 and R 18 are (C 1 -C 10 )alkyl.

4 . The activator of claim 1 wherein [Cat + ] is a protonated tertiary amine.

5 . The activator of claim 1 , wherein [Cat] + is + N(H)R N 3 , wherein each R N is independently (C 1 -C 20 )alkyl.

6 . The activator of claim 1 , wherein:
at least one of R 1 , R 2 , R 3 , and R 4 is —F or fluoroalkyl; at least one of R 5 , R 6 , R 7 , and R 8 is —F or fluoroalkyl; at least one of R 9 , R 10 , R 11 , and R 12 is —F or fluoroalkyl; and at least one of R 13 , R 14 , R 15 , and R 16 is —F or fluoroalkyl.

7 . The activator of claim 1 , wherein:
at least two of R 1 , R 2 , R 3 , and R 4 are —F or fluoroalkyl; at least two of R 5 , R 6 , R 7 , and R 8 are —F or fluoroalkyl; at least two of R 9 , R 10 , R 11 , and R 12 are —F or fluoroalkyl; and at least two of R 13 , R 14 , R 15 , and R 16 are —F or fluoroalkyl.

8 . The activator of claim 1 , wherein:
at least three of R 1 , R 2 , R 3 , and R 4 are —F or fluoroalkyl; at least three of R 5 , R 6 , R 7 , and R 8 are —F or fluoroalkyl; at least three of R 9 , R 10 , R 11 , and R 12 are —F or fluoroalkyl; and at least three of R 13 , R 14 , R 15 , and R 16 are —F or fluoroalkyl.

9 . The activator of claim 1 , wherein:
at least four of R 1 , R 2 , R 3 , and R 4 are —F or fluoroalkyl; at least four of R 5 , R 6 , R 7 , and R 8 are —F or fluoroalkyl; at least four of R 9 , R 10 , R 11 , and R 12 are —F or fluoroalkyl; and at least four of R 13 , R 14 , R 15 , and R 16 are —F or fluoroalkyl.

10 . A catalyst system comprising an activator of claim 1 and a procatalyst, wherein the procatalyst is rendered catalytically active by contacting the procatalyst to the activator.

11 . A process for polymerizing olefins, the process comprising contacting ethylene and optionally a (C 3 -C 40 )α-olefin in the presences of a catalysts system according to claim 10 .

Assignees

• Dow Global Technologies Llc

Inventors

• Senecal Todd D
• Mukhopadhyay Sukrit
• Keaton Richard J
• Klosin Jerzy
• Huacuja Rafael
• Pearson David M
• Woodward William H H

Classifications

• C07F7/28

  Titanium compounds · CPC title

• C07F5/003

  without C-Metal linkages · CPC title

• C07F7/00

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

• C08F4/64193 Primary

  OOOO · CPC title

• C08F4/65908

  in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+ · CPC title