DE69222285T2 - Verfahren zur Herstellung von Terephthalsäure - Google Patents

Verfahren zur Herstellung von Terephthalsäure

Info

Publication number
DE69222285T2
DE69222285T2 DE69222285T DE69222285T DE69222285T2 DE 69222285 T2 DE69222285 T2 DE 69222285T2 DE 69222285 T DE69222285 T DE 69222285T DE 69222285 T DE69222285 T DE 69222285T DE 69222285 T2 DE69222285 T2 DE 69222285T2
Authority
DE
Germany
Prior art keywords
terephthalic acid
hydrolysis reaction
hydrolysis
reaction
process according
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 - Fee Related
Application number
DE69222285T
Other languages
German (de)
English (en)
Other versions
DE69222285D1 (de
Inventor
James Lumsden Harvie
David John Royall
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.)
Mylar Specialty Films US LP
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE69222285D1 publication Critical patent/DE69222285D1/de
Application granted granted Critical
Publication of DE69222285T2 publication Critical patent/DE69222285T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J11/14—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 steam or water
    • 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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
DE69222285T 1992-01-07 1992-12-15 Verfahren zur Herstellung von Terephthalsäure Expired - Fee Related DE69222285T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9200176A GB9200176D0 (en) 1992-01-07 1992-01-07 Process for the production of terephthalic acid

Publications (2)

Publication Number Publication Date
DE69222285D1 DE69222285D1 (de) 1997-10-23
DE69222285T2 true DE69222285T2 (de) 1998-01-22

Family

ID=10708157

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222285T Expired - Fee Related DE69222285T2 (de) 1992-01-07 1992-12-15 Verfahren zur Herstellung von Terephthalsäure

Country Status (12)

Country Link
US (1) US5426217A (OSRAM)
EP (1) EP0550979B1 (OSRAM)
JP (1) JP3341912B2 (OSRAM)
AT (1) ATE158273T1 (OSRAM)
BR (1) BR9300024A (OSRAM)
DE (1) DE69222285T2 (OSRAM)
DK (1) DK0550979T3 (OSRAM)
ES (1) ES2106836T3 (OSRAM)
GB (2) GB9200176D0 (OSRAM)
GR (1) GR3024869T3 (OSRAM)
TW (1) TW267160B (OSRAM)
ZA (1) ZA9210084B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008007791A1 (de) * 2008-02-06 2009-08-27 Kleiner, Söhnke Vorrichtung und verbessertes Verfahren zur wässrigen Verkohlung / hydrothermalen Karbonisierung von Biomasse sowie dadurch erhaltene Karbonisierungsprodukte

Families Citing this family (16)

* 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
US5750776A (en) * 1993-07-05 1998-05-12 Imperial Chemical Industries Plc Production of dicarboxylic acids or esters thereof
US5580905A (en) * 1994-04-28 1996-12-03 United Resource Recovery Corporation Process for recycling polyesters
US5502247A (en) * 1994-11-17 1996-03-26 Amoco Corporation Process for recovery of aromatic acid or ester and polyol from waste polyester resins
US5958987A (en) * 1996-04-10 1999-09-28 The Coca-Cola Company Process for separating polyester from other materials
RS3604A (sr) 2001-06-19 2007-04-10 United Resource Recovery Corporation, Postupak za odvajanje poliestera od drugih materijala
US7098299B1 (en) 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials
US20090099388A1 (en) * 2006-04-03 2009-04-16 Hussain Al Ghatta Recovery of aromatic dicarboxylic acids from waste polyester resin in the presence of a polyamide
BRPI0621743A2 (pt) * 2006-06-21 2011-12-20 Cobarr Spa recuperação de ácidos dicarboxìlicos aromáticos a partir de resìduos de resina de poliéster
DE102007025945B3 (de) * 2007-06-04 2009-01-02 Far East University Tandemfahrrad mit mehreren Fahrweisen
JP2016124841A (ja) * 2015-01-06 2016-07-11 日東電工株式会社 テレフタル酸の製造方法および再生ポリエチレンテレフタレートの製造方法
CN116323547A (zh) * 2021-07-19 2023-06-23 株式会社Lg化学 用于合成再生塑料的单体组合物、其制备方法、使用其的再生塑料、模制品、增塑剂组合物
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
WO2023250158A2 (en) 2022-06-24 2023-12-28 Hybridworks Chemical, Llc Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor
JP7829937B2 (ja) * 2023-05-25 2026-03-16 AC Biode株式会社 ポリエステル樹脂の分解方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE14854C (de) * M. M. goldenstein & COMP, in Wien Mauerkonservator zum Befestigen und Aufhängen von Karniefsen, Spiegeln, Bildern u. dgl
GB1130695A (en) * 1966-04-18 1968-10-16 Hercules Inc Production of terephthalic acid by hydrolysis of an alkyl terephthalate
GB2123403A (en) * 1982-07-09 1984-02-01 Celanese Mexicana Sa Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste
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
US5095145A (en) * 1990-11-05 1992-03-10 Amoco Corporation Preparation of purified terephthalic acid from waste polyethylene terephthalate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008007791A1 (de) * 2008-02-06 2009-08-27 Kleiner, Söhnke Vorrichtung und verbessertes Verfahren zur wässrigen Verkohlung / hydrothermalen Karbonisierung von Biomasse sowie dadurch erhaltene Karbonisierungsprodukte
DE102008007791B4 (de) * 2008-02-06 2013-02-21 Söhnke Kleiner Vorrichtung und verbessertes Verfahren zur wässrigen Verkohlung / hydrothermalen Karbonisierung von Biomasse sowie dadurch erhaltene Karbonisierungsprodukte

Also Published As

Publication number Publication date
EP0550979A2 (en) 1993-07-14
DE69222285D1 (de) 1997-10-23
BR9300024A (pt) 1993-07-13
GB9200176D0 (en) 1992-02-26
GB9226106D0 (en) 1993-02-10
US5426217A (en) 1995-06-20
TW267160B (OSRAM) 1996-01-01
GR3024869T3 (en) 1998-01-30
ES2106836T3 (es) 1997-11-16
JP3341912B2 (ja) 2002-11-05
ATE158273T1 (de) 1997-10-15
ZA9210084B (en) 1993-09-27
EP0550979A3 (en) 1993-09-08
JPH05255182A (ja) 1993-10-05
DK0550979T3 (da) 1998-05-11
EP0550979B1 (en) 1997-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL.,

8328 Change in the person/name/address of the agent

Free format text: R.A. KUHNEN & P.A. WACKER PATENTANWALTSGESELLSCHAFT MBH, 85354 FREISING

8327 Change in the person/name/address of the patent owner

Owner name: DUPONT TEIJIN FILMS U.S., LTD. PARTNERSHIP, WILMIN

8339 Ceased/non-payment of the annual fee