ATE124679T1 - Zurückgewinnung von ethylenglykol und dimethylterephthalat aus polyethylenterephthalat. - Google Patents

Zurückgewinnung von ethylenglykol und dimethylterephthalat aus polyethylenterephthalat.

Info

Publication number
ATE124679T1
ATE124679T1 AT91909232T AT91909232T ATE124679T1 AT E124679 T1 ATE124679 T1 AT E124679T1 AT 91909232 T AT91909232 T AT 91909232T AT 91909232 T AT91909232 T AT 91909232T AT E124679 T1 ATE124679 T1 AT E124679T1
Authority
AT
Austria
Prior art keywords
ethylene glycol
terephthalate
recovery
polyethylene terephthalate
dimethyl
Prior art date
Application number
AT91909232T
Other languages
English (en)
Inventor
Andrius Algimantas Naujokas
Kevin Michael Ryan
Original Assignee
Eastman Kodak 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
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of ATE124679T1 publication Critical patent/ATE124679T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT91909232T 1990-04-24 1991-04-16 Zurückgewinnung von ethylenglykol und dimethylterephthalat aus polyethylenterephthalat. ATE124679T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/521,070 US5051528A (en) 1990-04-24 1990-04-24 Recovery process for ethylene glycol and dimethylterephthalate

Publications (1)

Publication Number Publication Date
ATE124679T1 true ATE124679T1 (de) 1995-07-15

Family

ID=24075211

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91909232T ATE124679T1 (de) 1990-04-24 1991-04-16 Zurückgewinnung von ethylenglykol und dimethylterephthalat aus polyethylenterephthalat.

Country Status (6)

Country Link
US (1) US5051528A (de)
EP (1) EP0526572B1 (de)
JP (1) JP2877514B2 (de)
AT (1) ATE124679T1 (de)
DE (1) DE69111060T2 (de)
WO (1) WO1991016289A1 (de)

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US5304673A (en) * 1993-01-29 1994-04-19 Enviropur Waste Refining And Technology, Inc. Process for recovering dimethyl terephthalate and ethylene glycol
US5364985A (en) * 1993-05-24 1994-11-15 Enviropur Waste Refining And Technology, Inc. Process for separating mixture of ethylene glycol and dimethyl terephthalate polymers
US5414113A (en) * 1993-10-18 1995-05-09 Amoco Corporation Process for recovery of aromatic acid from waste polyester resin
US5498749A (en) * 1993-10-22 1996-03-12 Eastman Chemical Company Process for separating cyclohexane dimethanol from dimethyl terephthalate
US5414106A (en) * 1994-02-14 1995-05-09 Hoechst Celanese Corporation Process for recovering dimethyl terephthalate
US5414022A (en) * 1994-03-10 1995-05-09 Eastman Kodak Company Process of recovering components from polyester resins
US5532404A (en) * 1994-05-27 1996-07-02 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5710315A (en) * 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5393916A (en) * 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins
US5414107A (en) * 1994-07-20 1995-05-09 Hoechst Celanese Corporation Process for recycling polyethylene terephthalate process residues containing alkali metal organic salts
US5473102A (en) * 1994-10-05 1995-12-05 Amoco Corporation Process for recovery of aromatic acid and dihydric alcohol from waste polyester resins
US5432203A (en) * 1994-12-12 1995-07-11 Eastman Kodak Company Process of recovering components from polyester resins
US5765728A (en) * 1995-03-27 1998-06-16 Eastman Kodak Company Method and apparatus for feeding chopped polyester scrap
US5578173A (en) * 1995-04-03 1996-11-26 Eastman Kodak Company Removal of dimethylterephthalate from a methanolysis vapor stream
US5672729A (en) * 1995-07-28 1997-09-30 Eastman Kodak Company Recovery of terephthalate diesters from glycol residues
US5770778A (en) * 1995-07-28 1998-06-23 Eastman Kodak Company Purification of ethylene glycol recovered from polyester resins
US5502239A (en) * 1995-08-07 1996-03-26 Hoechst Celanese Corporation Process for recovering dimethyl terephthalate
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US5952520A (en) * 1996-07-10 1999-09-14 Eastman Kodak Company Recovery of ester monomer from polyester resins
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US20050054757A1 (en) * 2003-09-10 2005-03-10 Pearson Jason Clay Method for reducing the acetaldehyde level in polyesters
US7448515B2 (en) * 2005-04-14 2008-11-11 Ramirez-Delgado Roberto Alfred Automatic machine for dosing water and dental alginate
US7469801B2 (en) * 2005-04-14 2008-12-30 Ramirez-Delgado Roberto Alfred Automatic machine for dosing water and dental alginate
PT2340269E (pt) * 2008-10-15 2012-12-05 Basf Se Poliéster-polióis à base do ácido tereftálico
JP5680084B2 (ja) 2009-08-20 2015-03-04 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ポリエステルアルコールの製造方法
US20110190413A1 (en) * 2010-02-04 2011-08-04 Basf Se Process for preparing polyesters, especially polyester alcohols
WO2011095446A1 (de) 2010-02-04 2011-08-11 Basf Se Verfahren zur herstellung von polyestern, insbesondere polyesteralkoholen
US9062158B2 (en) 2010-12-02 2015-06-23 Basf Se Polyester polyols based on aromatic dicarboxylic acids
MX342673B (es) 2010-12-02 2016-10-07 Basf Se Polioles de poliester basados en acidos dicarboxilicos aromaticos.
EP2492297A1 (de) 2011-02-23 2012-08-29 Basf Se Polyesterpolyole auf Basis aromatischer Dicarbonsäuren und daraus hergestellte Polyurethanhartschäume
US20130029068A1 (en) 2011-07-28 2013-01-31 Eastman Chemical Company Extrusion blow molded articles
US10000588B2 (en) 2011-07-28 2018-06-19 Eastman Chemical Company Coating for the inner surface of plastic bottles for protection against degradation from volatile organic compounds
WO2013025186A1 (en) 2011-08-12 2013-02-21 Eastman Chemical Company Process for the preparation of polyesters with high recycle content
CN104039856B (zh) 2012-01-02 2017-03-01 巴斯夫欧洲公司 制备聚氨酯硬质泡沫和聚异氰脲酸酯硬质泡沫的方法
US8895636B2 (en) 2012-01-02 2014-11-25 Basf Se Producing rigid polyurethane foams and rigid polyisocyanurate foams
PL2828309T3 (pl) 2012-03-23 2019-03-29 Basf Se Sposób wytwarzania sztywnych pianek poliuretanowych i sztywnych pianek poliizocyjanuranowych
KR102101755B1 (ko) 2012-05-30 2020-04-20 바스프 에스이 경질 폴리우레탄 폼을 제조하기 위한 폴리에스테롤
US10259906B2 (en) 2014-02-11 2019-04-16 Basf Se Method for producing polyurethane rigid foams and polyisocyanurate rigid foams
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
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
CN107879895A (zh) * 2017-11-20 2018-04-06 浙江佳人新材料有限公司 一种eg釜残和提纯eg再利用的方法
CN112638859B (zh) 2018-06-25 2023-09-05 9449710加拿大公司 对苯二甲酸酯的形成
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
KR20220041177A (ko) 2019-07-29 2022-03-31 이스트만 케미칼 컴파니 열분해 및 가메탄올분해로부터의 재활용된 단량체를 갖는 폴리에스테르의 제조 방법
WO2021080779A1 (en) 2019-10-25 2021-04-29 Eastman Chemical Company Crystallizable shrinkable films and thermoformable films and sheets made from reactor grade resins with recycled content
EP4077267A1 (de) 2019-12-19 2022-10-26 Eastman Chemical Company Verfahren zur herstellung von dimethylterephthalat aus polyestermethanolyse-depolymerisationssystemen
WO2021126936A1 (en) 2019-12-19 2021-06-24 Eastman Chemical Company Process for treating polyester methanolysis depolymerization product streams
CA3162305A1 (en) 2019-12-19 2021-06-24 Earl Edmondson Howell Jr. Method for manufacture of polyesters with recycle content
JP2023506948A (ja) 2019-12-20 2023-02-20 イーストマン ケミカル カンパニー Ｐｅｔメタノール分解のための触媒
JP2024537179A (ja) 2021-10-06 2024-10-10 イーストマン ケミカル カンパニー ポリエステルカーペット繊維からのバージン品質のｐｅｔおよびコポリエステル原料の製造
EP4423047A1 (de) 2021-10-25 2024-09-04 Eastman Chemical Company Verfahren zur rückgewinnung von dialkylterephthalaten aus polyesterzusammensetzungen
CN118339083A (zh) 2021-11-22 2024-07-12 伊士曼化工公司 制造具有活动铰链的可回收共聚酯制品的方法
CN118284564A (zh) 2021-11-22 2024-07-02 伊士曼化工公司 具有活动铰链的可回收共聚酯制品
CN118284642A (zh) 2021-11-22 2024-07-02 伊士曼化工公司 制造具有活动铰链的可回收共聚酯制品的方法
WO2023091539A1 (en) 2021-11-22 2023-05-25 Eastman Chemical Company Recyclable copolyesters articles with living hinges
EP4273190A1 (de) 2022-05-03 2023-11-08 Universität Hamburg Verfahren zur depolymerisation eines terephthalat-polyesters
LU102949B1 (en) 2022-05-03 2023-11-06 Univ Hamburg Method for the depolymerization of a terephthalate polyester

Family Cites Families (8)

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US3037050A (en) * 1955-08-05 1962-05-29 Glanzstoff Ag Regeneration of terephthalic acid dimethyl ester from polyethylene terephthalate
NL136399C (de) * 1962-08-17 1900-01-01
DE1247291B (de) * 1964-04-28 1967-08-17 Schwarza Chemiefaser Verfahren und Vorrichtung zur Herstellung von Dialkylterephthalaten durch Abbau von Polyaethylenglykolterephthalaten
US3488298A (en) * 1966-12-01 1970-01-06 Eastman Kodak Co Polyester scrap recovery processes
CH550753A (it) * 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US3701741A (en) * 1971-02-01 1972-10-31 Eastman Kodak Co Purification of impure scrap poly(ethylene terephthalate)
OA05495A (fr) * 1975-12-16 1981-04-30 Rhone Poulenc Textile Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.
US4578502A (en) * 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process

Also Published As

Publication number Publication date
EP0526572B1 (de) 1995-07-05
DE69111060T2 (de) 1995-11-02
DE69111060D1 (de) 1995-08-10
WO1991016289A1 (en) 1991-10-31
US5051528A (en) 1991-09-24
JP2877514B2 (ja) 1999-03-31
EP0526572A1 (de) 1993-02-10
JPH05507910A (ja) 1993-11-11

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