MX2022005537A - Catalizadores para metanolisis de pet. - Google Patents

Catalizadores para metanolisis de pet.

Info

Publication number
MX2022005537A
MX2022005537A MX2022005537A MX2022005537A MX2022005537A MX 2022005537 A MX2022005537 A MX 2022005537A MX 2022005537 A MX2022005537 A MX 2022005537A MX 2022005537 A MX2022005537 A MX 2022005537A MX 2022005537 A MX2022005537 A MX 2022005537A
Authority
MX
Mexico
Prior art keywords
poly
alkylene terephthalate
depolymerization
catalysts
methanol
Prior art date
Application number
MX2022005537A
Other languages
English (en)
Inventor
Robert Jacks Sharpe
Michael Charles Morrow
Original Assignee
Eastman Chem 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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of MX2022005537A publication Critical patent/MX2022005537A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters
    • 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
    • C08J11/16—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 inorganic material
    • 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
    • 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
    • C08J11/28—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 compounds containing nitrogen, sulfur or phosphorus
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

Se proporciona un proceso para despolimerización de un poli(alquilen de C2-C4 tereftalato), que comprende poner en contacto un poli(alquilen de C2-C4 tereftalato) con metanol y un catalizador elegido de carbonato de potasio, carbonato de sodio, metóxido de magnesio, 1,8-diazabiciclo[5.4.0]undec-7-eno y triazabiciclodeceno, a una temperatura suficiente para efectuar la despolimerización. El proceso de la invención se puede llevar a cabo a una temperatura sustancialmente menor y requiere menos metanol que el necesario para reacciones catalizadas con acetato de zinc, y es suficientemente robusto o fuerte para tolerar las alimentaciones de desecho de poli(alquilen de C2-C4 tereftalato) de menor calidad.
MX2022005537A 2019-12-20 2020-12-10 Catalizadores para metanolisis de pet. MX2022005537A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962951425P 2019-12-20 2019-12-20
PCT/US2020/064255 WO2021126661A1 (en) 2019-12-20 2020-12-10 Catalysts for pet methanolysis

Publications (1)

Publication Number Publication Date
MX2022005537A true MX2022005537A (es) 2022-06-08

Family

ID=74125709

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022005537A MX2022005537A (es) 2019-12-20 2020-12-10 Catalizadores para metanolisis de pet.

Country Status (8)

Country Link
US (1) US20230030777A1 (es)
EP (1) EP4077263A1 (es)
JP (1) JP2023506948A (es)
KR (1) KR20220119660A (es)
CN (1) CN114787119A (es)
CA (1) CA3156516A1 (es)
MX (1) MX2022005537A (es)
WO (1) WO2021126661A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023059579A1 (en) * 2021-10-06 2023-04-13 Eastman Chemical Company Production of virgin-quality pet and copolyester raw materials from polyester carpet fibers
CN116655465A (zh) * 2022-02-18 2023-08-29 青岛阿脒诺材料技术有限公司 一种聚酯混纺面料的循环回收利用方法
FR3134392A1 (fr) 2022-04-06 2023-10-13 Recyc'elit Procede de depolymerisation du pet en ester de terephtalate et monoethylene glycol a temperature ambiante
WO2023194442A1 (fr) 2022-04-06 2023-10-12 Recyc'elit Procede de depolymerisation de polyesters terephtaliques en esters de terephtalate a temperature ambiante
LU102949B1 (en) 2022-05-03 2023-11-06 Univ Hamburg Method for the depolymerization of a terephthalate polyester
EP4273190A1 (en) 2022-05-03 2023-11-08 Universität Hamburg Method for the depolymerization of a terephthalate polyester
EP4353774A1 (en) * 2022-10-10 2024-04-17 Polykey Polymers, S.L. Low-temperature organocatalyzed depolymerization of poly(ethylene terephthalate)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037050A (en) 1955-08-05 1962-05-29 Glanzstoff Ag Regeneration of terephthalic acid dimethyl ester from polyethylene terephthalate
NL296330A (es) 1962-08-17 1900-01-01
US3488298A (en) 1966-12-01 1970-01-06 Eastman Kodak Co Polyester scrap recovery processes
CH550753A (it) 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US4578502A (en) 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process
US5051528A (en) 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate
US5498749A (en) 1993-10-22 1996-03-12 Eastman Chemical Company Process for separating cyclohexane dimethanol from dimethyl terephthalate
JPH07309808A (ja) * 1994-05-17 1995-11-28 Teijin Ltd テレフタル酸ジメチルの回収方法
JP2004250414A (ja) * 2003-02-21 2004-09-09 Masaaki Yoshida ポリエステル類のモノマー回収方法
JP2011207823A (ja) * 2010-03-30 2011-10-20 Teijin Ltd ポリエステルからテレフタル酸ジメチルを製造する方法
US8541477B2 (en) * 2011-03-04 2013-09-24 International Business Machines Corporation Methods of depolymerizing terephthalate polyesters
JP2014058476A (ja) * 2012-09-18 2014-04-03 Teijin Ltd ポリエステル組成物からポリアルキレンテレフタレート原料を製造する方法

Also Published As

Publication number Publication date
CN114787119A (zh) 2022-07-22
WO2021126661A1 (en) 2021-06-24
US20230030777A1 (en) 2023-02-02
JP2023506948A (ja) 2023-02-20
EP4077263A1 (en) 2022-10-26
KR20220119660A (ko) 2022-08-30
CA3156516A1 (en) 2021-06-24

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