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DE69803212D1 - Depolymerisationsverfahren zur wiedergewinnung von polyestern - Google Patents

Depolymerisationsverfahren zur wiedergewinnung von polyestern

Info

Publication number
DE69803212D1
DE69803212D1 DE69803212T DE69803212T DE69803212D1 DE 69803212 D1 DE69803212 D1 DE 69803212D1 DE 69803212 T DE69803212 T DE 69803212T DE 69803212 T DE69803212 T DE 69803212T DE 69803212 D1 DE69803212 D1 DE 69803212D1
Authority
DE
Germany
Prior art keywords
polyesters
recovery
depolymerization method
depolymerization
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
DE69803212T
Other languages
English (en)
Other versions
DE69803212T2 (de
Inventor
Paul Ekart
Michael Pell
Dunlap Cornell
Bryan Shackelford
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 Chemical Co
Original Assignee
Eastman Chemical 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 Chemical Co filed Critical Eastman Chemical Co
Application granted granted Critical
Publication of DE69803212D1 publication Critical patent/DE69803212D1/de
Publication of DE69803212T2 publication Critical patent/DE69803212T2/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
    • C08J11/24—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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69803212T 1997-10-17 1998-10-15 Depolymerisationsverfahren zur wiedergewinnung von polyestern Expired - Lifetime DE69803212T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6254097P 1997-10-17 1997-10-17
US09/167,248 US6136869A (en) 1997-10-17 1998-10-06 Depolymerization process for recycling polyesters
PCT/US1998/021758 WO1999020684A1 (en) 1997-10-17 1998-10-15 Depolymerization process for recycling polyesters

Publications (2)

Publication Number Publication Date
DE69803212D1 true DE69803212D1 (de) 2002-02-21
DE69803212T2 DE69803212T2 (de) 2002-07-25

Family

ID=26742401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803212T Expired - Lifetime DE69803212T2 (de) 1997-10-17 1998-10-15 Depolymerisationsverfahren zur wiedergewinnung von polyestern

Country Status (10)

Country Link
US (2) US6136869A (de)
EP (1) EP1023369B1 (de)
JP (1) JP4294859B2 (de)
CN (1) CN1110515C (de)
AR (1) AR013697A1 (de)
BR (1) BR9814973B1 (de)
CA (1) CA2298551C (de)
DE (1) DE69803212T2 (de)
ES (1) ES2166621T3 (de)
WO (1) WO1999020684A1 (de)

Families Citing this family (38)

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AUPP261498A0 (en) * 1998-03-27 1998-04-23 Swig Pty Ltd Improved conversion of contaminated polyethylene terephthalate to polybutylene terephthalate
ATE437847T1 (de) * 1999-10-22 2009-08-15 Teijin Ltd Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
WO2002078700A1 (en) * 2001-03-30 2002-10-10 Smithkline Beecham Corporation Pyralopyridines, process for their preparation and use as therapteutic compounds
FR2825701B1 (fr) * 2001-06-08 2003-09-12 Ct D Etudes Sur Le Recyclage D Procede de synthese de diols par alcoolyse de polyesters en milieu fondu en reacteur discontinu ou continu, application au recyclage des polyesters
WO2003033581A1 (fr) * 2001-10-16 2003-04-24 Teijin Limited Procede de recyclage de bouteille pet
US20050174337A1 (en) * 2004-02-11 2005-08-11 Nielsen Paul S. Electronic handheld drawing and gaming system using television monitor
US7247742B2 (en) * 2004-05-20 2007-07-24 Bp Corporation North America Inc. Recycling polyethylene naphthalate containing materials in a process to produce diesters
WO2006109662A1 (ja) * 2005-04-08 2006-10-19 Toyo Boseki Kabushiki Kaisha 熱収縮性ポリエステル系フィルムおよび熱収縮性ラベル
CA2820149A1 (en) * 2005-12-29 2007-07-05 Bp Corporation North America Inc. Ethanolysis of pet to form det and oxidation thereof
JP5428161B2 (ja) * 2006-01-13 2014-02-26 宇部興産株式会社 １，６−ヘキサンジオールの製造方法
JP5280656B2 (ja) * 2007-07-30 2013-09-04 帝人株式会社 ポリ乳酸の解重合方法
US8309618B2 (en) * 2009-07-01 2012-11-13 International Business Machines Corporation Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
US8367796B2 (en) 2009-07-01 2013-02-05 International Business Machines Corporation Catalytic polymerization of polymers containing electrophilic linkages using nucleophilic reagents
EP2449002A4 (de) * 2009-07-02 2013-03-27 Bepex International Llc Vorrichtung und verfahren zur dampfphasengestützten altpolymerverarbeitung
CN102158643B (zh) * 2010-12-17 2013-04-17 上海合合信息科技发展有限公司 自动开关摄像单元的方法及系统
CN103145958B (zh) * 2013-03-21 2015-08-26 宁波大发化纤有限公司 甲醇降解生产皮芯型聚酯用低熔点再生聚酯的方法
US9981902B2 (en) 2015-10-23 2018-05-29 Columbia Insurance Company Process for production of an ester and diol from reclaimed carpet material
PL3377569T3 (pl) 2015-11-20 2020-01-31 The University Of North Carolina At Chapel Hill Recykling chemiczny politereftalanu etylenu poprzez napromieniowywanie mikrofalami
US9815808B2 (en) 2016-02-29 2017-11-14 Regents Of The University Of Minnesota Recovery of monomer from polyurethane materials by depolymerization
JP7094229B2 (ja) * 2016-05-23 2022-07-01 サン ケミカル コーポレイション 平版印刷インキ用液体変性ｐｅｔポリエステル
US10808084B2 (en) 2016-09-23 2020-10-20 Regents Of The University Of Minnesota Methods for making renewable and chemically recyclable crosslinked polyester elastomers
CN107459635B (zh) * 2017-07-20 2019-05-24 东华大学 一种生物可降解再生聚酯及其制备方法
CN107523892B (zh) * 2017-07-20 2019-01-15 东华大学 一种再生聚酯纤维及其制备方法
CN107523895B (zh) * 2017-07-20 2019-01-11 东华大学 一种有色再生聚酯短纤维及其制备方法
CN107459788B (zh) * 2017-07-20 2019-05-24 东华大学 一种聚酯回收料的再生利用方法
US11396588B2 (en) * 2018-09-21 2022-07-26 Premirr Plastics Inc. Process and system for depolymerizing plastic
US11518865B2 (en) * 2019-05-20 2022-12-06 Octal Saoc Fzc Process for reclamation of polyester by reactor addition
CN114423803B (zh) * 2019-07-29 2024-10-29 伊士曼化工公司 用来自热解与甲醇分解的再循环单体制备聚酯的方法
CN115103868B (zh) * 2019-12-19 2025-03-18 伊士曼化工公司 制备具有再循环成分的聚酯的方法
KR20220118503A (ko) 2019-12-19 2022-08-25 이스트만 케미칼 컴파니 다이메틸 테레프탈레이트를 폴리에스터 가메탄올분해 해중합 시스템으로부터 제조하는 방법
TW202200693A (zh) * 2020-06-19 2022-01-01 美商億諾斯美國化學公司 用於聚酯回收領域之改良催化劑性能
CN113214458B (zh) * 2021-04-30 2022-02-08 东华大学 一种废旧聚酯高效醇解制备再生聚酯的方法
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
WO2024062008A1 (en) * 2022-09-23 2024-03-28 Firmenich Sa Transesterification process
DE102022003858A1 (de) 2022-10-18 2024-04-18 WeylChem Performance Products GmbH Verfahren zur Herstellung von Polyestern
WO2024091896A1 (en) * 2022-10-25 2024-05-02 Eastman Chemical Company Process for recycling poly(alkylene terephthalate)
KR20240116300A (ko) * 2023-01-20 2024-07-29 에스케이케미칼 주식회사 폐 공중합 폴리에스테르를 이용한 재생 원료의 제조방법 및 재생 원료 조성물
WO2024156567A1 (en) * 2023-01-23 2024-08-02 Evonik Operations Gmbh Process for depolymerization of polyalkylene terephthalates in an extruder

Family Cites Families (11)

* 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
NL136399C (de) * 1962-08-17 1900-01-01
US3488298A (en) * 1966-12-01 1970-01-06 Eastman Kodak Co Polyester scrap recovery processes
US3884850A (en) * 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
CH550753A (it) * 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US4620032A (en) * 1984-12-11 1986-10-28 Celanese Corporation Depolymerization of condensation polymers involving a pre-molecular weight reduction step
US5051528A (en) * 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate
US5298530A (en) * 1992-11-25 1994-03-29 Eastman Kodak Company Process of recovering components from scrap polyester
US5414022A (en) * 1994-03-10 1995-05-09 Eastman Kodak Company Process of recovering components from polyester resins
US5576456A (en) * 1996-01-22 1996-11-19 Eastman Kodak Company Recovery of components from polyester resins
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials

Also Published As

Publication number Publication date
WO1999020684A1 (en) 1999-04-29
US6136869A (en) 2000-10-24
DE69803212T2 (de) 2002-07-25
BR9814973A (pt) 2000-10-03
EP1023369A1 (de) 2000-08-02
AR013697A1 (es) 2001-01-10
BR9814973B1 (pt) 2009-01-13
JP4294859B2 (ja) 2009-07-15
CA2298551A1 (en) 1999-04-29
CA2298551C (en) 2003-12-23
JP2002514661A (ja) 2002-05-21
CN1110515C (zh) 2003-06-04
US6191177B1 (en) 2001-02-20
ES2166621T3 (es) 2002-04-16
EP1023369B1 (de) 2002-01-16
CN1275995A (zh) 2000-12-06

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Legal Events

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8364 No opposition during term of opposition