ES2129645T3 - Produccion de acidos dicarboxilicos o esteres de los mismos. - Google Patents

Produccion de acidos dicarboxilicos o esteres de los mismos.

Info

Publication number
ES2129645T3
ES2129645T3 ES94918972T ES94918972T ES2129645T3 ES 2129645 T3 ES2129645 T3 ES 2129645T3 ES 94918972 T ES94918972 T ES 94918972T ES 94918972 T ES94918972 T ES 94918972T ES 2129645 T3 ES2129645 T3 ES 2129645T3
Authority
ES
Spain
Prior art keywords
esters
dicarboxylic acids
production
same
polyester
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
ES94918972T
Other languages
English (en)
Inventor
James Lumsden Harvie
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Priority claimed from GB939313896A external-priority patent/GB9313896D0/en
Priority claimed from GB939313892A external-priority patent/GB9313892D0/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of ES2129645T3 publication Critical patent/ES2129645T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Saccharide Compounds (AREA)

Abstract

SE RECUPERAN ACIDOS DICARBOXILICOS O SUS ESTERES A PARTIR DE MATERIALES DE POLIESTER DE FASE SOLIDA, TALES COMO PRODUCTOS DE POSTCONSUMO Y DESECHOS DE FABRICA, SOMETIENDO INICIALMENTE EL POLIESTER A UNA REACCION DE GLICOSIS (EN UNA O MAS ESTEPAS) PARA PRODUCIR UN MEDIO DE FASE LIQUIDA QUE CONTIENE PRODUCTOS DE DESPOLIMERIZACION.EL MEDIO DE FASE LIQUIDA SE PONE ENTONCES EN CONTACTO CON UN MEDIO ACUOSO O ALCOHOL EN UNA O MAS ETAPAS PARA PRODUCIR EL ACIDO DICARBOXILICO O UN ESTER DE ESTE JUNTO CON GLICOL.
ES94918972T 1993-07-05 1994-06-29 Produccion de acidos dicarboxilicos o esteres de los mismos. Expired - Lifetime ES2129645T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939313896A GB9313896D0 (en) 1993-07-05 1993-07-05 Production of dicarboxylic acids or esters thereof
GB939313892A GB9313892D0 (en) 1993-07-05 1993-07-05 Production of dicarboxylic acids

Publications (1)

Publication Number Publication Date
ES2129645T3 true ES2129645T3 (es) 1999-06-16

Family

ID=26303186

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94918972T Expired - Lifetime ES2129645T3 (es) 1993-07-05 1994-06-29 Produccion de acidos dicarboxilicos o esteres de los mismos.

Country Status (9)

Country Link
US (2) US5750776A (es)
EP (2) EP0707562B1 (es)
AT (2) ATE176780T1 (es)
AU (2) AU683896B2 (es)
BR (2) BR9406886A (es)
CA (2) CA2165651A1 (es)
DE (2) DE69424168T2 (es)
ES (1) ES2129645T3 (es)
WO (2) WO1995001953A1 (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6472557B1 (en) 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
US6410607B1 (en) * 1999-02-10 2002-06-25 Eastman Chemical Company Glycolysis process for recycling of post-consumer pet
TWI239971B (en) * 1999-10-19 2005-09-21 Aies Co Ltd Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate
ATE285422T1 (de) * 2000-07-27 2005-01-15 Du Pont Oxidative umsetzung von polymeren zu anwendbaren chemikalien
US7030264B1 (en) * 2000-07-31 2006-04-18 Aies Co. Ltd. Bis-β-hydroxyethyl terephthalate
AU2004315532B2 (en) * 2003-02-27 2010-01-28 Perpetual Technologies Gmbh A method for the decontamination of polyethylene terephthalate
CZ299244B6 (cs) * 2004-06-21 2008-05-28 Zpusob bazické hydrolýzy odpadního polyethylentereftalátu a zarízení k provádení tohoto zpusobu
BRPI0403740A (pt) 2004-08-25 2006-05-02 Luiz Alberto Jermolovicius processo para reciclagem quìmica de poli (tereftalato de etileno) pós-consumo e equipamento para realizar reciclagem quìmica de poli (tereftalato de etileno) pós-consumo
US9458354B2 (en) 2010-10-06 2016-10-04 Resinate Technologies, Inc. Polyurethane dispersions and methods of making and using same
CA2838825A1 (en) 2011-06-10 2012-12-13 Kristopher M. Felice Clear coatings acrylic coatings
CN103030564B (zh) * 2011-10-09 2015-04-01 中国科学院过程工程研究所 一种多组分催化剂高效催化醇解聚对苯二甲酸乙二醇酯的方法
CN102731760B (zh) * 2012-07-17 2014-03-26 龙福环能科技股份有限公司 一种将回收聚酯瓶片料熔体醇解后再聚合的方法
EP4136161A1 (en) * 2020-04-13 2023-02-22 Eastman Chemical Company Chemical recycling of plastic purge materials
EP4288485A4 (en) * 2021-01-07 2025-07-09 Agency Science Tech & Res PROCESS FOR THE PREPARATION OF A MONOESTER OF TEREPHTHALIC ACID AND ITS DERIVATIVES
EP4180413A1 (en) 2021-11-11 2023-05-17 SHPP Global Technologies B.V. Method of converting poly(ethylene terephthalate) to terephthalic acid
JP2025510233A (ja) * 2022-03-24 2025-04-14 イネオス ユーエス ケミカルズ カンパニー 芳香族ジカルボン酸を製造する方法及び装置
JP2025522761A (ja) 2022-06-24 2025-07-17 ハイブリッドワークス ケミカル， エルエルシー 回転加水分解反応器によるポリエステル－綿ブレンドテキスタイルのリサイクル方法及びシステム
CN120091990A (zh) 2022-11-02 2025-06-03 高新特殊工程塑料全球技术有限公司 将聚(对苯二甲酸乙二酯)转化为对苯二甲酸的方法
SE546629C2 (en) * 2023-06-30 2025-01-02 Rewin Textiles AB Process and system for mixed fabric rejuvination

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB822834A (en) * 1957-01-11 1959-11-04 Jaroslav Pitat A method of processing waste of polyethylene terephthalate by hydrolysis
DE1061772B (de) * 1957-02-08 1959-07-23 Rhodiaceta Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten
NL301426A (es) * 1962-12-06
US3703488A (en) * 1968-03-22 1972-11-21 Goodyear Tire & Rubber Process for reuse of polyester resin
US3884850A (en) * 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
DE2916197C2 (de) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt
DE2938163A1 (de) * 1979-09-21 1981-04-09 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
US4578510A (en) * 1984-12-11 1986-03-25 Celanese Corporation Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers
US4620032A (en) * 1984-12-11 1986-10-28 Celanese Corporation Depolymerization of condensation polymers involving a pre-molecular weight reduction step
US4578502A (en) * 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process
US5095145A (en) * 1990-11-05 1992-03-10 Amoco Corporation Preparation of purified terephthalic acid from waste polyethylene terephthalate
US5237159A (en) * 1991-07-17 1993-08-17 J. D. Carreker And Associates Electronic check presentment system
GB9200176D0 (en) * 1992-01-07 1992-02-26 Ici Plc Process for the production of terephthalic acid
US5223544A (en) * 1992-03-31 1993-06-29 Shell Oil Company Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream
NZ252649A (en) * 1992-05-18 1996-03-26 Petwest Pty Ltd Substituted Fo Removing contaminants from and depolymerisation of (used) polyethylene terephthalate (pet) by transesterification using ethylene glycol at elevated temperature and various purification steps to yield terephthalic acid
US5414113A (en) * 1993-10-18 1995-05-09 Amoco Corporation Process for recovery of aromatic acid from waste polyester resin

Also Published As

Publication number Publication date
ATE192136T1 (de) 2000-05-15
DE69416590T2 (de) 1999-08-26
CA2165959A1 (en) 1995-01-19
EP0707562B1 (en) 2000-04-26
AU7006194A (en) 1995-02-06
US5750776A (en) 1998-05-12
BR9406885A (pt) 1996-04-02
US5886057A (en) 1999-03-23
DE69424168T2 (de) 2001-02-08
AU683896B2 (en) 1997-11-27
AU683897B2 (en) 1997-11-27
AU7006294A (en) 1995-02-06
ATE176780T1 (de) 1999-03-15
EP0707563A1 (en) 1996-04-24
DE69424168D1 (de) 2000-05-31
CA2165651A1 (en) 1995-01-19
EP0707562A1 (en) 1996-04-24
DE69416590D1 (de) 1999-03-25
EP0707563B1 (en) 1999-02-17
BR9406886A (pt) 1996-04-02
WO1995001954A1 (en) 1995-01-19
WO1995001953A1 (en) 1995-01-19

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