DE69310873T2 - Verfahren zur Gewinnung von Verbindungen aus Polyesterabfällen - Google Patents

Verfahren zur Gewinnung von Verbindungen aus Polyesterabfällen

Info

Publication number
DE69310873T2
DE69310873T2 DE69310873T DE69310873T DE69310873T2 DE 69310873 T2 DE69310873 T2 DE 69310873T2 DE 69310873 T DE69310873 T DE 69310873T DE 69310873 T DE69310873 T DE 69310873T DE 69310873 T2 DE69310873 T2 DE 69310873T2
Authority
DE
Germany
Prior art keywords
reactor
melt
vessel
methanol
polyethylene terephthalate
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.)
Expired - Lifetime
Application number
DE69310873T
Other languages
German (de)
English (en)
Other versions
DE69310873D1 (de
Inventor
Bruce R Debruin
William James Gamble
Andrius A Naujokas
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Kodak Co filed Critical Eastman Kodak Co
Publication of DE69310873D1 publication Critical patent/DE69310873D1/de
Application granted granted Critical
Publication of DE69310873T2 publication Critical patent/DE69310873T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08J11/26—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 carboxylic acid groups, their anhydrides or esters
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE69310873T 1992-11-25 1993-11-25 Verfahren zur Gewinnung von Verbindungen aus Polyesterabfällen Expired - Lifetime DE69310873T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/981,688 US5298530A (en) 1992-11-25 1992-11-25 Process of recovering components from scrap polyester

Publications (2)

Publication Number Publication Date
DE69310873D1 DE69310873D1 (de) 1997-06-26
DE69310873T2 true DE69310873T2 (de) 1998-01-02

Family

ID=25528575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69310873T Expired - Lifetime DE69310873T2 (de) 1992-11-25 1993-11-25 Verfahren zur Gewinnung von Verbindungen aus Polyesterabfällen

Country Status (4)

Country Link
US (1) US5298530A (en:Method)
EP (1) EP0599309B1 (en:Method)
JP (1) JPH06211971A (en:Method)
DE (1) DE69310873T2 (en:Method)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5504121A (en) * 1992-05-18 1996-04-02 Swig Pty Ltd. Polyethylene terephthalate decontamination
US5602187A (en) * 1992-05-18 1997-02-11 Swig Pty Ltd. Polyethylene terephthalate decontamination
DE4316190C1 (de) * 1993-05-14 1994-12-08 Hennecke Gmbh Maschf Verfahren und Vorrichtung zum Aufbereiten von Polyurethanschaumstoff-Abfällen, insbesondere Weichschaumstoff-Abfällen, zur Wiederverwertung als Zuschlagstoffe bei der Polyurethanherstellung
IT1269175B (it) * 1994-01-11 1997-03-21 Montefibre Spa Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato
US5414022A (en) * 1994-03-10 1995-05-09 Eastman Kodak Company Process of recovering components from polyester resins
AUPM499394A0 (en) * 1994-04-11 1994-05-05 Petwest Pty Ltd Improved polyethylene terephthalate decontamination
US5532404A (en) * 1994-05-27 1996-07-02 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5393916A (en) 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins
US5432203A (en) * 1994-12-12 1995-07-11 Eastman Kodak Company Process of recovering components from polyester resins
US5765728A (en) * 1995-03-27 1998-06-16 Eastman Kodak Company Method and apparatus for feeding chopped polyester scrap
US5578173A (en) * 1995-04-03 1996-11-26 Eastman Kodak Company Removal of dimethylterephthalate from a methanolysis vapor stream
US5672729A (en) * 1995-07-28 1997-09-30 Eastman Kodak Company Recovery of terephthalate diesters from glycol residues
US5770778A (en) * 1995-07-28 1998-06-23 Eastman Kodak Company Purification of ethylene glycol recovered from polyester resins
DE69605732T2 (de) * 1995-08-11 2000-06-21 Eastman Kodak Co., Rochester Gewinnung von Verbindungen aus Polyesterharzen
US5576456A (en) * 1996-01-22 1996-11-19 Eastman Kodak Company Recovery of components from polyester resins
US5672780A (en) * 1995-08-11 1997-09-30 Eastman Kodak Company Purification of ethylene glycol recovered from polyester resins
DE19534276A1 (de) * 1995-09-15 1997-03-20 Degussa Verfahren zur Aufarbeitung von Polyalkylenterephthalaten
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
US5559159A (en) * 1995-12-07 1996-09-24 Eastman Chemical Company Process including depolymerization in polyester reactor for recycling polyester materials
US5852218A (en) * 1995-12-14 1998-12-22 E. I. Du Pont De Nemours And Company Alkanolysis of polyether polyol esters by reactive distillation
US5744503A (en) * 1996-02-01 1998-04-28 Hoechst Celanese Corporation Recycling polyester and recovering glycols
US5952520A (en) * 1996-07-10 1999-09-14 Eastman Kodak Company Recovery of ester monomer from polyester resins
US5876644A (en) * 1996-08-27 1999-03-02 Wellman, Inc. Food quality polyester recycling
US5712410A (en) * 1997-03-03 1998-01-27 Eastman Kodak Company Gas phase crystallization of dimethyl terephthalate
US6103774A (en) * 1997-04-02 2000-08-15 The Coca-Cola Company Process for removing contaminants from polyesters and controlling polymer molecular weight
US6136869A (en) * 1997-10-17 2000-10-24 Eastman Chemical Company Depolymerization process for recycling polyesters
DE19817113A1 (de) * 1998-04-17 1999-10-21 Basf Ag Herstellung von Polytetrahydrofuran mit endständigen Hydroxylgruppen durch Wechsel von kontinuierlicher und disperser Phase
US6410607B1 (en) * 1999-02-10 2002-06-25 Eastman Chemical Company Glycolysis process for recycling of post-consumer pet
US6472557B1 (en) 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
US6262294B1 (en) 1999-02-17 2001-07-17 Agency Of Industrial Science And Technology Process for continuously producing monomer components from aromatic polyester
US20030134915A1 (en) * 2001-12-17 2003-07-17 Scantlebury Geoffrey Raymond Production of transparent polyester using waste
GB2394225A (en) * 2002-10-16 2004-04-21 Colormatrix Europe Ltd Polymer colourant additive composition
MXPA05009111A (es) * 2003-02-27 2006-01-27 Petrecycle Ltd Metodo para la descontaminacion de tereftalato de polietileno.
US20050187374A1 (en) * 2004-02-20 2005-08-25 Bin Chen Polyester synthesis with enhanced titanium catalyst composition
US7863407B2 (en) * 2007-08-10 2011-01-04 Eastman Chemical Company Integrated polyester production facility
US20130029068A1 (en) 2011-07-28 2013-01-31 Eastman Chemical Company Extrusion blow molded articles
US10000588B2 (en) 2011-07-28 2018-06-19 Eastman Chemical Company Coating for the inner surface of plastic bottles for protection against degradation from volatile organic compounds
WO2013025186A1 (en) 2011-08-12 2013-02-21 Eastman Chemical Company Process for the preparation of polyesters with high recycle content
US9981902B2 (en) 2015-10-23 2018-05-29 Columbia Insurance Company Process for production of an ester and diol from reclaimed carpet material
CN106832397B (zh) * 2015-12-07 2019-09-20 中国石化仪征化纤有限责任公司 在线回用pet聚合废料的方法
EP4004094A1 (en) 2019-07-29 2022-06-01 Eastman Chemical Company Process for the preparation of polyesters with recycled monomers from pyrolysis and methanolysis
WO2021072020A1 (en) 2019-10-08 2021-04-15 Eastman Chemical Company Catalyst systems for crystallizable reactor grade resins with recycled content
EP4048727A1 (en) 2019-10-25 2022-08-31 Eastman Chemical Company Crystallizable shrinkable films and thermoformable films and sheets made from reactor grade resins with recycled content
KR20220118503A (ko) 2019-12-19 2022-08-25 이스트만 케미칼 컴파니 다이메틸 테레프탈레이트를 폴리에스터 가메탄올분해 해중합 시스템으로부터 제조하는 방법
CA3162313A1 (en) 2019-12-19 2021-06-24 William Christopher Ketchie Process for treating polyester methanolysis depolymerization product streams
WO2021126938A1 (en) 2019-12-19 2021-06-24 Eastman Chemical Company Method for manufacture of polyesters with recycle content
BR112022013284A2 (pt) 2020-02-10 2022-09-06 Eastman Chem Co Método de processamento de plástico de resíduo
CA3167384A1 (en) 2020-02-10 2021-08-19 Bruce Roger Debruin Chemical recycling of solvolysis coproduct streams
WO2021163104A1 (en) 2020-02-10 2021-08-19 Eastman Chemical Company Chemical recycling of solvolysis glycol column bottoms coproduct streams
JP2023521430A (ja) 2020-04-13 2023-05-24 イーストマン ケミカル カンパニー 金属含有プラスチック混合物のケミカルリサイクル
EP4136156A1 (en) 2020-04-13 2023-02-22 Eastman Chemical Company Chemical recycling of reclaimer flake reject
US12624186B2 (en) 2020-04-13 2026-05-12 Eastman Chemical Company Chemical recycling of plastic purge materials
BR112022020530A2 (pt) 2020-04-13 2022-12-06 Eastman Chem Co Método para reciclar um resíduo plástico, e, uso de uma mistura contendo plástico colorido contendo tereftalato de polietileno
US12595351B2 (en) 2020-04-13 2026-04-07 Eastman Chemical Company Chemical recycling of materials comprising waste automotive carpet
US12617924B2 (en) 2020-04-13 2026-05-05 Eastman Chemical Company Chemical recycling of waste plastics from various sources, including wet fines
JP7377834B2 (ja) * 2021-05-31 2023-11-10 三菱重工業株式会社 分離システム及び分離方法
WO2023059579A1 (en) 2021-10-06 2023-04-13 Eastman Chemical Company Production of virgin-quality pet and copolyester raw materials from polyester carpet fibers
EP4423050A1 (en) 2021-10-25 2024-09-04 Eastman Chemical Company Processes for recovering dialkyl terephthalates from polyester compositions
DE102021212695A1 (de) * 2021-11-11 2023-05-11 Thyssenkrupp Ag Vorrichtung und verfahren zur herstellung eines polyester-depolymerisats sowie vorrichtung und verfahren zur herstellung eines polyesters
US20250002642A1 (en) 2021-11-22 2025-01-02 Eastman Chemical Company Process for making recyclable copolyesters articles with living hinges
US20250002641A1 (en) 2021-11-22 2025-01-02 Eastman Chemical Company Recyclable copolyesters articles with living hinges
EP4436891A1 (en) 2021-11-22 2024-10-02 Eastman Chemical Company Recyclable copolyesters articles with living hinges
CN118339083A (zh) 2021-11-22 2024-07-12 伊士曼化工公司 制造具有活动铰链的可回收共聚酯制品的方法
WO2023126256A1 (en) 2021-12-27 2023-07-06 Sabic Global Technologies B.V. Process for producing various molecular weight polyesters
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
WO2024063099A1 (ja) * 2022-09-22 2024-03-28 三菱重工業株式会社 分離システム及び分離方法
WO2024156567A1 (en) * 2023-01-23 2024-08-02 Evonik Operations Gmbh Process for depolymerization of polyalkylene terephthalates in an extruder
WO2024156563A1 (en) * 2023-01-23 2024-08-02 Evonik Operations Gmbh Process for depolymerizing polyalkylene terephthalates in mixtures with lower-melting polyolefins
WO2024220458A1 (en) 2023-04-19 2024-10-24 Eastman Chemical Company Copolyester compositions for recyclable heavy gauge sheet articles
WO2024220454A1 (en) 2023-04-19 2024-10-24 Eastman Chemical Company Copolyester compositions for recyclable heavy gauge sheet articles
WO2025193488A1 (en) 2024-03-13 2025-09-18 Eastman Chemical Company Cavitated copolyester shrink film with improved density reduction and toughness
WO2026050194A1 (en) 2024-08-27 2026-03-05 Eastman Chemical Company Process for recovering polyester from contaminated polyester recovery feedstock
WO2026050193A1 (en) 2024-08-27 2026-03-05 Eastman Chemical Company Process for treating contaminated polyester recovery feedstock

Family Cites Families (10)

* 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
BE635706A (en:Method) * 1962-08-17
CH550753A (it) * 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US3907868A (en) * 1974-02-15 1975-09-23 Du Pont Polyester waste recovery
OA05495A (fr) * 1975-12-16 1981-04-30 Rhone Poulenc Textile Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.
US4620032A (en) * 1984-12-11 1986-10-28 Celanese Corporation Depolymerization of condensation polymers involving a pre-molecular weight reduction step
US4929749A (en) * 1989-03-15 1990-05-29 Synergistics Industries, Limited Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
US5051528A (en) * 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate
US5095145A (en) * 1990-11-05 1992-03-10 Amoco Corporation Preparation of purified terephthalic acid from waste polyethylene terephthalate
CA2055066A1 (en) * 1990-11-09 1992-05-10 Robert E. Michel Recovery of methyl esters of aromatic acids and glycols from thermoplastic polyester scrap

Also Published As

Publication number Publication date
DE69310873D1 (de) 1997-06-26
US5298530A (en) 1994-03-29
JPH06211971A (ja) 1994-08-02
EP0599309A2 (en) 1994-06-01
EP0599309A3 (en:Method) 1994-08-31
EP0599309B1 (en) 1997-05-21

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Legal Events

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8364 No opposition during term of opposition