EP4716707A1 - Catalyseurs et polymérisations pour polyoléfines améliorées - Google Patents

Catalyseurs et polymérisations pour polyoléfines améliorées

Info

Publication number
EP4716707A1
EP4716707A1 EP24731429.7A EP24731429A EP4716707A1 EP 4716707 A1 EP4716707 A1 EP 4716707A1 EP 24731429 A EP24731429 A EP 24731429A EP 4716707 A1 EP4716707 A1 EP 4716707A1
Authority
EP
European Patent Office
Prior art keywords
substituted
unsubstituted
ring
formula
catalyst
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24731429.7A
Other languages
German (de)
English (en)
Inventor
Matthew W. Holtcamp
Kevin A. Stevens
Dongming Li
Laughlin G. Mccullough
Charles J. HARLAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
ExxonMobil Technology and Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ExxonMobil Technology and Engineering Co filed Critical ExxonMobil Technology and Engineering Co
Publication of EP4716707A1 publication Critical patent/EP4716707A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

La présente divulgation concerne des polymères de polyéthylène, des procédés de polymérisation pour fabriquer lesdits polymères de polyéthylène, ainsi que des films fabriqués à partir de ceux-ci. Dans divers modes de réalisation, des procédés de polymérisation comprennent des polymérisations à double catalyseur, telles que celles réalisées par combinaison d'un catalyseur métallocène de base et d'un catalyseur métallocène de garniture, le catalyseur de base pouvant éventuellement être supporté dans un premier mélange catalytique tel qu'un solvant, et le catalyseur de garniture pouvant être ajouté dans des rapports variables au catalyseur de base supporté. Des polymérisations utilisant les combinaisons des catalyseurs de base et de garniture telles que décrites ici peuvent produire des copolymères de polyéthylène linéaires à faible densité ayant un degré modéré de ramification en chaîne longue, qui peuvent présenter une aptitude améliorée au traitement pour la production de films. En outre, les films fabriqués à partir desdits polymères peuvent présenter des propriétés améliorées, telles qu'un retrait supérieur.
EP24731429.7A 2023-05-23 2024-05-14 Catalyseurs et polymérisations pour polyoléfines améliorées Pending EP4716707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363503810P 2023-05-23 2023-05-23
PCT/US2024/029285 WO2024242933A1 (fr) 2023-05-23 2024-05-14 Catalyseurs et polymérisations pour polyoléfines améliorées

Publications (1)

Publication Number Publication Date
EP4716707A1 true EP4716707A1 (fr) 2026-04-01

Family

ID=91431566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24731429.7A Pending EP4716707A1 (fr) 2023-05-23 2024-05-14 Catalyseurs et polymérisations pour polyoléfines améliorées

Country Status (3)

Country Link
EP (1) EP4716707A1 (fr)
CN (1) CN121399175A (fr)
WO (1) WO2024242933A1 (fr)

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Also Published As

Publication number Publication date
WO2024242933A1 (fr) 2024-11-28
CN121399175A (zh) 2026-01-23

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