C08F4/7098

METHOD FOR PREPARING SUPPORTED OLEFIN POLYMERIZATION CATALYST, RESULTING CATALYST AND APPLICATION THEREOF

A method for preparing a supported olefin polymerization catalyst, comprising: step 1, activating a COF at 0? C.-800? C. for 0.1-48 hours under inert atmosphere or vacuum protection; optionally, step 2, reacting the activated COF with an auxiliary agent in a reaction medium at a temperature of 5? C.-120? C. under inert atmosphere or vacuum protection, and performing solid-liquid separation to obtain a solid phase material, wherein the auxiliary agent is selected from a metal alkyl compound, boron halothane, an alkyl aluminum oxide, a modified methyl aluminoxane, a Lewis acid, and a Grignard reagent; and step 3, under inert atmosphere or vacuum protection, reacting the solid phase material with the olefin polymerization catalyst in a reaction medium at ?30? C.-150? C., performing solid-liquid separation, and collecting the solid phase material as the supported olefin polymerization catalyst. A supported olefin polymerization catalyst and an application thereof. The supported catalyst can maintain higher catalytic activity for a long time in olefin polymerization.

NICKEL CATALYSTS WITH TWO METAL CATIONS FOR HOMOPOLYMERIZATION AND COPOLYMERIZATION
20240166775 · 2024-05-23 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

Fluorinated polymerization catalysts and methods of making and using the same
11976153 · 2024-05-07 · ·

Described herein are polymerization catalysts having a structure according to formula (1): ##STR00001##
wherein ##STR00002##
is a diimine ligand, A.sup.? is a counter anion, and R.sup.2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic. Also described herein are polymers having a terminus having a structure according to Formula (3): ##STR00003##
wherein R.sup.2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic.

Fluorinated polymerization catalysts and methods of making and using the same
11976153 · 2024-05-07 · ·

Described herein are polymerization catalysts having a structure according to formula (1): ##STR00001##
wherein ##STR00002##
is a diimine ligand, A.sup.? is a counter anion, and R.sup.2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic. Also described herein are polymers having a terminus having a structure according to Formula (3): ##STR00003##
wherein R.sup.2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic.

Nickel catalysts with two alkali ions for homopolymerization and copolymerization
12043688 · 2024-07-23 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

Nickel catalysts with single metal cations for homopolymerization and copolymerization
12043689 · 2024-07-23 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

FLUORINATED POLYMERIZATION CATALYSTS AND METHODS OF MAKING AND USING THE SAME
20240239923 · 2024-07-18 ·

Described herein are polymers comprising a terminus having a structure according to formula (1):

##STR00001##

wherein R is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic.

FLUORINATED POLYMERIZATION CATALYSTS AND METHODS OF MAKING AND USING THE SAME
20240239923 · 2024-07-18 ·

Described herein are polymers comprising a terminus having a structure according to formula (1):

##STR00001##

wherein R is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic.

Nickel catalysts with single alkali ions for homopolymerization and copolymerization
12049532 · 2024-07-30 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

METHOD OF MAKING A FUNCTIONALIZED ELASTOMER

The present invention is directed to a method of making an amine functionalized elastomer, comprising the steps of polymerizing at least one first monomer selected from the group consisting of 1,3-butadiene and isoprene and a second monomer of formula I in the presence of a polymerization catalyst in a hydrocarbon solvent to form a first copolymer in solution;

##STR00001##

where R.sup.1 is phenylene, a linear or branched alkane diyl group containing from 1 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing from 1 to 10 carbon atoms; and R.sup.2 is methyl or ethyl; and mixing the first copolymer in solution with a protic solvent followed by stirring to convert the first copolymer to a second copolymer given by the formula poly(M1 co M2) wherein M1 is the first monomer and M2 is of formula II

##STR00002##

where R.sup.1 is as previously defined.