EP4716705A1 - Poléthylènes de faible densité, films à base de poléthylènes, procédés et catalyseurs pour leur production - Google Patents

Poléthylènes de faible densité, films à base de poléthylènes, procédés et catalyseurs pour leur production

Info

Publication number
EP4716705A1
EP4716705A1 EP24731208.5A EP24731208A EP4716705A1 EP 4716705 A1 EP4716705 A1 EP 4716705A1 EP 24731208 A EP24731208 A EP 24731208A EP 4716705 A1 EP4716705 A1 EP 4716705A1
Authority
EP
European Patent Office
Prior art keywords
substituted
unsubstituted
catalyst
formula
ring
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
EP24731208.5A
Other languages
German (de)
English (en)
Inventor
Matthew W. Holtcamp
Dongming Li
Laughlin G. Mccullough
Kevin A. STEVENS
Michael A. LEAF
Ali H. SLIM
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 EP4716705A1 publication Critical patent/EP4716705A1/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F17/00—Metallocenes
    • 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

Landscapes

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

Abstract

La présente invention concerne des catalyseurs, des systèmes catalytiques, des polymères de polyéthylène, des procédés de polymérisation pour la fabrication de ces polymères de polyéthylène et des films fabriqués à partir de ces derniers. Dans certains modes de réalisation, un composé catalytique est représenté par la formule (I) dans laquelle : M est Zr ou Hf ; R5 et R6 sont chacun un hydrogène ; chacun de R1, R2, R3 et R4 est indépendamment un hydrogène ou un alkyle C1 à C10, substitué ou non substitué ; l'un de (1) R7 et R8, (2) R8 et R9, ou (3) R9 et R10 sont réunis pour former un cycle aromatique substitué ou non substitué ou un cycle saturé fusionné avec le cycle indényle présenté dans la formule (I), et le reste de R7, R8, R9 et R10 sont chacun un hydrogène. Dans d'autres modes de réalisation, un procédé de production d'une composition de polyéthylène est fourni, comprenant l'introduction, dans des conditions de première polymérisation, d'éthylène et d'une alpha-oléfine C3-C40 dans un système catalytique dans un réacteur, et la formation d'une composition de polyéthylène.
EP24731208.5A 2023-05-23 2024-05-14 Poléthylènes de faible densité, films à base de poléthylènes, procédés et catalyseurs pour leur production Pending EP4716705A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363503869P 2023-05-23 2023-05-23
PCT/US2024/029261 WO2024242929A1 (fr) 2023-05-23 2024-05-14 Poléthylènes de faible densité, films à base de poléthylènes, procédés et catalyseurs pour leur production

Publications (1)

Publication Number Publication Date
EP4716705A1 true EP4716705A1 (fr) 2026-04-01

Family

ID=91376768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24731208.5A Pending EP4716705A1 (fr) 2023-05-23 2024-05-14 Poléthylènes de faible densité, films à base de poléthylènes, procédés et catalyseurs pour leur production

Country Status (3)

Country Link
EP (1) EP4716705A1 (fr)
CN (1) CN121487974A (fr)
WO (1) WO2024242929A1 (fr)

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Also Published As

Publication number Publication date
WO2024242929A1 (fr) 2024-11-28
CN121487974A (zh) 2026-02-06

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