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)
DE1998603212 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
DE1998603212 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 (36)

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Publication number Priority date Publication date Assignee Title
AUPP261498A0 (en) * 1998-03-27 1998-04-23 Swig Pty Ltd Improved conversion of contaminated polyethylene terephthalate to polybutylene terephthalate
DE60042656D1 (de) * 1999-10-22 2009-09-10 Teijin Ltd Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
EP1372643A1 (de) * 2001-03-30 2004-01-02 Smithkline Beecham Corporation Pyrazolopyridine, verfahren zu ihrer herstellung und verwendung als therapeutika
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
MXPA04003380A (es) * 2001-10-16 2004-06-21 Teijin Ltd Metodo para el reciclaje de botellas 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
KR20130130877A (ko) * 2005-12-29 2013-12-02 비피 코포레이션 노쓰 아메리카 인코포레이티드 Ｄｅｔ를 형성하기 위한 ｐｅｔ의 가에탄올분해 및 그의 산화
WO2007080946A1 (ja) * 2006-01-13 2007-07-19 Ube Industries, Ltd. 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
RU2012103457A (ru) * 2009-07-02 2013-08-10 БЕПЕКС ИНТЕРНЭШНЛ, ЭлЭлСи Устройство и способ для парофазной переработки бывших в употреблении полимеров
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***
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
US10508186B2 (en) 2015-11-20 2019-12-17 The University Of North Carolina At Chapel Hill Chemical recycling of polyethylene terephthalate by microwave irradiation
US9815808B2 (en) 2016-02-29 2017-11-14 Regents Of The University Of Minnesota Recovery of monomer from polyurethane materials by depolymerization
CN109153870B (zh) * 2016-05-23 2022-08-19 太阳化学公司 用于平版印刷油墨的液体改性pet聚酯
US10808084B2 (en) 2016-09-23 2020-10-20 Regents Of The University Of Minnesota Methods for making renewable and chemically recyclable crosslinked polyester elastomers
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
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
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
EP4219609A1 (de) * 2018-09-21 2023-08-02 Premirr Plastics Inc. Verfahren und system zur depolymerisation von kunststoff
US11518865B2 (en) 2019-05-20 2022-12-06 Octal Saoc Fzc Process for reclamation of polyester by reactor addition
US20220325036A1 (en) * 2019-07-29 2022-10-13 Eastman Chemical Company Process for the preparation of polyesters with recycled monomers from pyrolysis and methanolysis
US20230014630A1 (en) 2019-12-19 2023-01-19 Eastman Chemical Company Method for producing dimethyl terephthalate from polyester methanolysis depolymerization systems
MX2022007257A (es) * 2019-12-19 2022-07-19 Eastman Chem Co Metodo para manufactura de poliesteres con contenido de reciclado.
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)

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
BE635706A (de) * 1962-08-17
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
BR9814973B1 (pt) 2009-01-13
WO1999020684A1 (en) 1999-04-29
EP1023369A1 (de) 2000-08-02
US6191177B1 (en) 2001-02-20
US6136869A (en) 2000-10-24
DE69803212T2 (de) 2002-07-25
BR9814973A (pt) 2000-10-03
JP4294859B2 (ja) 2009-07-15
JP2002514661A (ja) 2002-05-21
EP1023369B1 (de) 2002-01-16
ES2166621T3 (es) 2002-04-16
CA2298551A1 (en) 1999-04-29
CA2298551C (en) 2003-12-23
AR013697A1 (es) 2001-01-10
CN1110515C (zh) 2003-06-04
CN1275995A (zh) 2000-12-06

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