ATE158273T1 - Verfahren zur herstellung von terephthalsäure - Google Patents

Verfahren zur herstellung von terephthalsäure

Info

Publication number
ATE158273T1
ATE158273T1 AT92311421T AT92311421T ATE158273T1 AT E158273 T1 ATE158273 T1 AT E158273T1 AT 92311421 T AT92311421 T AT 92311421T AT 92311421 T AT92311421 T AT 92311421T AT E158273 T1 ATE158273 T1 AT E158273T1
Authority
AT
Austria
Prior art keywords
terephthalic acid
hydrolysis
reaction
mixture prior
polyalkylene terephthalate
Prior art date
Application number
AT92311421T
Other languages
English (en)
Inventor
David John Royall
James Lumsden Harvie
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Application granted granted Critical
Publication of ATE158273T1 publication Critical patent/ATE158273T1/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
    • C08J11/14—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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
AT92311421T 1992-01-07 1992-12-15 Verfahren zur herstellung von terephthalsäure ATE158273T1 (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 (1)

Publication Number Publication Date
ATE158273T1 true ATE158273T1 (de) 1997-10-15

Family

ID=10708157

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92311421T ATE158273T1 (de) 1992-01-07 1992-12-15 Verfahren zur herstellung von terephthalsäure

Country Status (12)

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

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
CA2165651A1 (en) * 1993-07-05 1995-01-19 James Lumsden Harvie Production of dicarboxylic acids
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
IL159457A0 (en) 2001-06-19 2004-06-01 United Resource Recovery Corp Process for separating polyester from other materials
US7098299B1 (en) 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials
EP2016038B1 (de) * 2006-04-03 2009-11-11 Cobarr S.r.l. Rückgewinnung von aromatischen dicarbonsäuren aus polyesterharzabfällen in gegenwart eines polyamids
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
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
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
JP2023544008A (ja) * 2021-07-19 2023-10-19 エルジー・ケム・リミテッド リサイクルプラスチック合成用単量体組成物、その製造方法、並びにそれを用いたリサイクルプラスチック、成形品および可塑剤組成物
WO2023183864A1 (en) * 2022-03-24 2023-09-28 Ineos Us Chemicals Company Process and apparatus of production of aromatic dicarboxylic acid.
WO2023250158A2 (en) 2022-06-24 2023-12-28 Hybridworks Chemical, Llc Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor

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

Also Published As

Publication number Publication date
EP0550979A3 (en) 1993-09-08
DE69222285D1 (de) 1997-10-23
US5426217A (en) 1995-06-20
ES2106836T3 (es) 1997-11-16
JP3341912B2 (ja) 2002-11-05
DK0550979T3 (da) 1998-05-11
EP0550979B1 (de) 1997-09-17
JPH05255182A (ja) 1993-10-05
GB9226106D0 (en) 1993-02-10
ZA9210084B (en) 1993-09-27
EP0550979A2 (de) 1993-07-14
GB9200176D0 (en) 1992-02-26
DE69222285T2 (de) 1998-01-22
TW267160B (de) 1996-01-01
BR9300024A (pt) 1993-07-13
GR3024869T3 (en) 1998-01-30

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee