ATE176780T1 - Herstellung von dicarbonsäuren oder ihren estern - Google Patents

Herstellung von dicarbonsäuren oder ihren estern

Info

Publication number
ATE176780T1
ATE176780T1 AT94918972T AT94918972T ATE176780T1 AT E176780 T1 ATE176780 T1 AT E176780T1 AT 94918972 T AT94918972 T AT 94918972T AT 94918972 T AT94918972 T AT 94918972T AT E176780 T1 ATE176780 T1 AT E176780T1
Authority
AT
Austria
Prior art keywords
pct
esters
sec
stages
produce
Prior art date
Application number
AT94918972T
Other languages
English (en)
Inventor
James Lumsden Harvie
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE176780T1 publication Critical patent/ATE176780T1/de

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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (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)
AT94918972T 1993-07-05 1994-06-29 Herstellung von dicarbonsäuren oder ihren estern ATE176780T1 (de)

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
ATE176780T1 true ATE176780T1 (de) 1999-03-15

Family

ID=26303186

Family Applications (2)

Application Number Title Priority Date Filing Date
AT94918971T ATE192136T1 (de) 1993-07-05 1994-06-29 Herstellung von dicarbonsäuren
AT94918972T ATE176780T1 (de) 1993-07-05 1994-06-29 Herstellung von dicarbonsäuren oder ihren estern

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT94918971T ATE192136T1 (de) 1993-07-05 1994-06-29 Herstellung von dicarbonsäuren

Country Status (9)

Country Link
US (2) US5750776A (de)
EP (2) EP0707563B1 (de)
AT (2) ATE192136T1 (de)
AU (2) AU683897B2 (de)
BR (2) BR9406886A (de)
CA (2) CA2165959A1 (de)
DE (2) DE69424168T2 (de)
ES (1) ES2129645T3 (de)
WO (2) WO1995001954A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100490000B1 (ko) * 1999-10-19 2005-05-17 가부시키가이샤 아이에스 탈이온된 비스-β-히드록시에틸테레프탈레이트의 중합방법
EP1305346B1 (de) * 2000-07-27 2004-12-22 E.I. Dupont De Nemours And Company Oxidative umsetzung von polymeren zu anwendbaren chemikalien
WO2002010117A1 (fr) * 2000-07-31 2002-02-07 Aies Co., Ltd. BIS-β-HYDROXYETHYLE TEREPHTHALATE
MXPA05009111A (es) 2003-02-27 2006-01-27 Petrecycle Ltd Metodo para la descontaminacion de tereftalato de polietileno.
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
KR101507696B1 (ko) 2011-06-10 2015-04-07 크리스토퍼 엠. 펠리체 투명 코팅, 아크릴 코팅
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
EP4180413A1 (de) 2021-11-11 2023-05-17 SHPP Global Technologies B.V. Verfahren zur umwandlung von poly(ethylenterephthalat) in terephthalsäure
WO2023183864A1 (en) * 2022-03-24 2023-09-28 Ineos Us Chemicals Company Process and apparatus of production of aromatic dicarboxylic acid.
US11958944B2 (en) 2022-06-24 2024-04-16 Hybridworks Chemical, Llc Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor
WO2024095104A1 (en) 2022-11-02 2024-05-10 Shpp Global Technologies B.V. Method of converting poly(ethylene terephthalate) to terephthalic acid

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 (de) * 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
US4620032A (en) * 1984-12-11 1986-10-28 Celanese Corporation Depolymerization of condensation polymers involving a pre-molecular weight reduction step
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
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
HU214090B (en) * 1992-05-18 1997-12-29 Swig Pty Ltd C Greenberg Et Co Improved process for decontaminating polyethylene terephtalate
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
WO1995001953A1 (en) 1995-01-19
BR9406885A (pt) 1996-04-02
DE69416590T2 (de) 1999-08-26
EP0707562B1 (de) 2000-04-26
ATE192136T1 (de) 2000-05-15
US5886057A (en) 1999-03-23
AU683896B2 (en) 1997-11-27
US5750776A (en) 1998-05-12
WO1995001954A1 (en) 1995-01-19
DE69416590D1 (de) 1999-03-25
CA2165651A1 (en) 1995-01-19
AU7006194A (en) 1995-02-06
BR9406886A (pt) 1996-04-02
EP0707563A1 (de) 1996-04-24
EP0707562A1 (de) 1996-04-24
CA2165959A1 (en) 1995-01-19
DE69424168T2 (de) 2001-02-08
AU683897B2 (en) 1997-11-27
AU7006294A (en) 1995-02-06
ES2129645T3 (es) 1999-06-16
EP0707563B1 (de) 1999-02-17
DE69424168D1 (de) 2000-05-31

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee