DE69522479D1 - Verfahren zur herstellung von terephtalischer säure - Google Patents

Verfahren zur herstellung von terephtalischer säure

Info

Publication number
DE69522479D1
DE69522479D1 DE69522479T DE69522479T DE69522479D1 DE 69522479 D1 DE69522479 D1 DE 69522479D1 DE 69522479 T DE69522479 T DE 69522479T DE 69522479 T DE69522479 T DE 69522479T DE 69522479 D1 DE69522479 D1 DE 69522479D1
Authority
DE
Germany
Prior art keywords
producing
terephtalic acid
terephtalic
acid
producing terephtalic
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
DE69522479T
Other languages
English (en)
Other versions
DE69522479T2 (de
Inventor
Duk Roh
Dongmok Bae
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.)
SK Discovery Co Ltd
Original Assignee
Sunkyung 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 Sunkyung Industries Ltd filed Critical Sunkyung Industries Ltd
Application granted granted Critical
Publication of DE69522479D1 publication Critical patent/DE69522479D1/de
Publication of DE69522479T2 publication Critical patent/DE69522479T2/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69522479T 1995-12-30 1995-12-30 Verfahren zur herstellung von terephtalischer säure Expired - Fee Related DE69522479T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR1995/000185 WO1997024310A1 (en) 1995-12-30 1995-12-30 Process for manufacturing terephthalic acid

Publications (2)

Publication Number Publication Date
DE69522479D1 true DE69522479D1 (de) 2001-10-04
DE69522479T2 DE69522479T2 (de) 2002-05-08

Family

ID=19406465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522479T Expired - Fee Related DE69522479T2 (de) 1995-12-30 1995-12-30 Verfahren zur herstellung von terephtalischer säure

Country Status (5)

Country Link
US (1) US6075163A (de)
EP (1) EP0873296B1 (de)
JP (1) JP3140469B2 (de)
DE (1) DE69522479T2 (de)
WO (1) WO1997024310A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774374B1 (fr) 1998-01-30 2001-09-21 Tredi Procede pour la production de terephtalate d'un metal alcalin purifie, issu de produits de saponification de polyterephtalates d'alkylene de recuperation
JP3808672B2 (ja) * 1999-11-26 2006-08-16 東洋製罐株式会社 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法
US6720448B2 (en) * 2000-10-11 2004-04-13 Massimo Broccatelli Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use
DE10297453B4 (de) 2001-11-16 2008-11-27 Hitachi Chemical Co., Ltd. Abbauverfahren für gesättigte Polyester unter Verwendung einer Lösung
US7157139B2 (en) * 2004-04-19 2007-01-02 Grant W. Doney Polymer manufacturing process
MX2008012690A (es) * 2006-04-03 2008-10-10 Cobarr Spa Recuperacion de acidos dicarboxilicos aromaticos a partir de resina de poliester de desecho en la presencia de una poliamida.
MX2008016450A (es) * 2006-06-21 2009-01-22 Cobarr Spa Recuperacion de acidos dicarboxilicos aromaticos a partir de resina de poliester de desecho.
US8476364B2 (en) * 2007-03-29 2013-07-02 Beaulieu Group, Llc Polymer manufacturing process
WO2012115984A2 (en) 2011-02-21 2012-08-30 Felice Kristopher M Polyurethane dispersions and methods of making and using same
JP2014520008A (ja) 2011-06-10 2014-08-21 フェリス、クリストファー、エム． 透明アクリルコーティング
DE102012220498A1 (de) * 2012-11-09 2014-05-15 Aquafil Engineering Gmbh Verfahren und Vorrichtung zur Behandlung von Polymeren
US9732026B2 (en) 2012-12-14 2017-08-15 Resinate Technologies, Inc. Reaction products containing hydroxyalkylterephthalates and methods of making and using same
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
CN107862974B (zh) * 2017-11-22 2023-11-24 河南莱帕克化工设备制造有限公司 苯甲酰胺生产线教学装置
CZ2018120A3 (cs) 2018-03-12 2019-04-10 JBPV s.r.o. Způsob získání kyseliny tereftalové z odpadního polyethylentereftalátu
EP3810568A4 (de) 2018-06-25 2022-04-13 9449710 Canada Inc. Formung von terephthalsäureestern
DE102018122210B4 (de) 2018-09-12 2023-06-29 Rittec Umwelttechnik Gmbh Verfahren und Verwendung einer Vorrichtung zur Wiederaufarbeitung von Polyalkylenterephthalat enthaltenden Abfällen
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
JP7419716B2 (ja) * 2019-09-20 2024-01-23 東洋紡株式会社 再生高分子材料の製造方法
TWI708761B (zh) * 2019-09-26 2020-11-01 遠東新世紀股份有限公司 製造對苯二甲酸的方法
DE102019135578A1 (de) 2019-12-20 2021-06-24 Rittec Umwelttechnik Gmbh Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061772B (de) * 1957-02-08 1959-07-23 Rhodiaceta Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten
US3544622A (en) * 1965-03-10 1970-12-01 Du Pont Alkaline saponification of polyethylene terephthalate at high temperatures using controlled amount of sodium hydroxide
US3884850A (en) * 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
US3952053A (en) * 1974-02-26 1976-04-20 Safetech, Inc. Method for recovering terephthalic acid and ethylene glycol from polyester materials
US4355175A (en) * 1981-04-06 1982-10-19 Pusztaszeri Stephen F Method for recovery of terephthalic acid from polyester scrap
US4542239A (en) * 1981-11-18 1985-09-17 Board Of Control Of Michigan Technological University Process for recovering terephthalic acid from waste polyethylene 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
US4578502A (en) * 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process
FR2672049A1 (fr) * 1991-01-30 1992-07-31 Benzaria Jacques Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee.
FR2697839B1 (fr) * 1992-11-09 1995-01-13 Inst Francais Du Petrole Procédé amélioré de récupération de téréphtalate de métal alcalin et d'alkylène glycol à partir de polytéréphtalates d'alkylènes.
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester

Also Published As

Publication number Publication date
JP3140469B2 (ja) 2001-03-05
US6075163A (en) 2000-06-13
DE69522479T2 (de) 2002-05-08
EP0873296B1 (de) 2001-08-29
JPH11502868A (ja) 1999-03-09
EP0873296A1 (de) 1998-10-28
WO1997024310A1 (en) 1997-07-10

Similar Documents

Publication Publication Date Title
DE69516188D1 (de) Verfahren zur herstellung von therephthalsäure
ATE243211T1 (de) Verfahren zur herstellung von dihalogenazolopyrimidinen
DE69609796D1 (de) Verfahren zur herstellung von essigsäure
DE59604922D1 (de) Verfahren zur herstellung von polyalkoholen
DE69522479T2 (de) Verfahren zur herstellung von terephtalischer säure
DE69604277D1 (de) Verfahren zur herstellung von nootkaton
DE69304295T2 (de) Verfahren zur herstellung von 2-hydroxy-4-methylthiobutansäure
DE59601604D1 (de) Verfahren zur herstellung von n-aryl- und n-hetarylhydroxylaminen
DE69505226T2 (de) Verfahren zur herstellung von (+)-(1r)-cis-3-oxo-2-pentyl-1-cyclopentanessigsäure
DE69716452T2 (de) Verfahren zur herstellung von beta-amino-alpha-hydroxycarbonsaeure-derivaten
DE69616322T2 (de) Verfahren zur herstellung von 3-isochromanonen
DE69608442T2 (de) Verfahren zur herstellung von 5-formylvelerionsäure
ATE207900T1 (de) Verfahren zur herstellung von ropivacainehydrochlorid-monohydrat
DE69516400T2 (de) Verfahren zur herstellung von nikotinsäure
DE69615836D1 (de) Verfahren zur herstellung von boroxyd
DE69623966D1 (de) Verfahren zur herstellung von enantiomerenreinen azetdin-2-carbonsäuren
DE59604459D1 (de) Verfahren zur herstellung von carbonsäurederivaten
DE69522590T2 (de) Verfahren zur herstellung von terephthalsäure
DE69609499T2 (de) Verfahren zur herstellung von streptograminen
DE69608811T2 (de) Verfahren zur herstellung von heptafluorpropan
ATA238294A (de) Verfahren zur herstellung von 2-hydroxy-4-phenylbuttersäure
DE59605764D1 (de) Verfahren zur herstellung von 2-trifluormethoxy-benzolsulfonamid
ATE188213T1 (de) Verfahren zur herstellung von 3-hydroxyoxetanen
DE69532382D1 (de) Verfahren zur herstellung von halogennicotinsäureestern
DE69802274D1 (de) Verfahren zur herstellung von 4h-4-oxo-chinolizin-3-carbonsäure-derivaten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee