EP4709787A1 - Verfahren zur depolymerisation eines polyesters mit polyethylenterephthalat durch rückführung eines oligomerausflusses - Google Patents

Verfahren zur depolymerisation eines polyesters mit polyethylenterephthalat durch rückführung eines oligomerausflusses

Info

Publication number
EP4709787A1
EP4709787A1 EP24723182.2A EP24723182A EP4709787A1 EP 4709787 A1 EP4709787 A1 EP 4709787A1 EP 24723182 A EP24723182 A EP 24723182A EP 4709787 A1 EP4709787 A1 EP 4709787A1
Authority
EP
European Patent Office
Prior art keywords
effluent
section
diol
fraction
reaction
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
EP24723182.2A
Other languages
English (en)
French (fr)
Inventor
Adrien MEKKI-BERRADA
Nicolas VIN
Frederic Favre
Damien Leinekugel Le Cocq
Olivier THINON
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.)
IFP Energies Nouvelles IFPEN
Jeplan Inc
Original Assignee
IFP Energies Nouvelles IFPEN
Jeplan Inc
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 IFP Energies Nouvelles IFPEN, Jeplan Inc filed Critical IFP Energies Nouvelles IFPEN
Publication of EP4709787A1 publication Critical patent/EP4709787A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP24723182.2A 2023-05-12 2024-05-06 Verfahren zur depolymerisation eines polyesters mit polyethylenterephthalat durch rückführung eines oligomerausflusses Pending EP4709787A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2304723A FR3148597B1 (fr) 2023-05-12 2023-05-12 Procédé de dépolymérisation d’un polyester comprenant du polyéthylène téréphtalate avec recycle d’un effluent d’oligomeres
PCT/EP2024/062390 WO2024235691A1 (fr) 2023-05-12 2024-05-06 Procédé de dépolymérisation d'un polyester comprenant du polyéthylène téréphtalate avec recycle d'un effluent d'oligomeres

Publications (1)

Publication Number Publication Date
EP4709787A1 true EP4709787A1 (de) 2026-03-18

Family

ID=88290458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24723182.2A Pending EP4709787A1 (de) 2023-05-12 2024-05-06 Verfahren zur depolymerisation eines polyesters mit polyethylenterephthalat durch rückführung eines oligomerausflusses

Country Status (6)

Country Link
EP (1) EP4709787A1 (de)
KR (1) KR20260010723A (de)
CN (1) CN121127529A (de)
FR (1) FR3148597B1 (de)
TW (1) TW202502939A (de)
WO (1) WO2024235691A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3053691B1 (fr) 2016-07-05 2018-08-03 IFP Energies Nouvelles Procede de depolymerisation d'un polyester comprenant du polyethylene terephtalate opaque
FR3105236B1 (fr) * 2019-12-19 2022-12-16 Ifp Energies Now Procédé optimisé de dépolymérisation d’un polyester comprenant du polyéthylène téréphtalate
FR3106134B1 (fr) * 2020-01-09 2022-12-16 Ifp Energies Now Procédé optimisé de dépolymérisation par glycolyse d’un polyester comprenant du polyéthylène téréphtalate
FR3124186B1 (fr) * 2021-06-17 2024-04-12 Ifp Energies Now Procédé de preparation d’un monomere diester purifie et decolore par dépolymérisation d’une charge polyester

Also Published As

Publication number Publication date
TW202502939A (zh) 2025-01-16
CN121127529A (zh) 2025-12-12
FR3148597B1 (fr) 2025-04-25
FR3148597A1 (fr) 2024-11-15
KR20260010723A (ko) 2026-01-21
WO2024235691A1 (fr) 2024-11-21

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