ES2134261T3 - Mejoras en la descontaminacion de tereftalato de polietileno. - Google Patents

Mejoras en la descontaminacion de tereftalato de polietileno.

Info

Publication number
ES2134261T3
ES2134261T3 ES93911683T ES93911683T ES2134261T3 ES 2134261 T3 ES2134261 T3 ES 2134261T3 ES 93911683 T ES93911683 T ES 93911683T ES 93911683 T ES93911683 T ES 93911683T ES 2134261 T3 ES2134261 T3 ES 2134261T3
Authority
ES
Spain
Prior art keywords
pet
ethanediol
bht
short chain
polymers
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 - Lifetime
Application number
ES93911683T
Other languages
English (en)
Inventor
Simon Michael West
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.)
Swig Pty Ltd
Original Assignee
Swig Pty 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 Swig Pty Ltd filed Critical Swig Pty Ltd
Application granted granted Critical
Publication of ES2134261T3 publication Critical patent/ES2134261T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • 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
    • 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
    • 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
    • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • 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)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Gas Separation By Absorption (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Catching Or Destruction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Materials For Medical Uses (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

UN PROCESO PARA ELIMINAR LOS CONTAMINANTES DE COMPONENTES DE PET DESPOLIMERIZANDO TEREFTALATO DE POLIETILENO ("PET") QUE CONSISTE EN TRANSESTERIFICAR MATERIAL QUE CONTIENE PET REACCIONADO ETANEDIOL QUE TIENE UNA TEMPERATURA A O ALREDEDOR DEL PUNTO DE EBULLICION DE ETADENIL CON EL MATERIAL DURANTE UN PERIODO PREDETERMINADO DE TIEMPO PARA FORMAR UNA SOLUCION QUE CONTIENE POLIMERO DE PET DE CADENA CORTA Y/O BIS ESTER DE (HIDROXIETILO) TEREFTALATO ("BHT"); RECUPERAR LOS POLIMEROS DE PET DE CADENA CORTA Y/O BHT Y ETADENIL; E HIDROLIZAR LOS POLIMEROS DE PET DE CADENA CORTA Y/O BHT A PRESION ELEVADA Y TEMPERATURA ELEVADA DURANTE UN PERIODO PREDETERMINADO DE TIEMPO PARA FORMAR UNA SOLUCION DE ETANEDIOL Y CRISTALES DE ACIDO TEREFTALICO.
ES93911683T 1992-05-18 1993-05-04 Mejoras en la descontaminacion de tereftalato de polietileno. Expired - Lifetime ES2134261T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL247092 1992-05-18
AUPL695193 1993-01-27

Publications (1)

Publication Number Publication Date
ES2134261T3 true ES2134261T3 (es) 1999-10-01

Family

ID=25644250

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93911683T Expired - Lifetime ES2134261T3 (es) 1992-05-18 1993-05-04 Mejoras en la descontaminacion de tereftalato de polietileno.

Country Status (17)

Country Link
EP (1) EP0641366B1 (es)
JP (1) JP3510885B2 (es)
KR (1) KR100271405B1 (es)
AT (1) ATE182578T1 (es)
AU (1) AU659021B2 (es)
BR (1) BR9306379A (es)
CA (1) CA2136080C (es)
DE (1) DE69325803T2 (es)
ES (1) ES2134261T3 (es)
HU (1) HU214090B (es)
MY (1) MY110079A (es)
NZ (1) NZ252649A (es)
PL (1) PL181832B1 (es)
SG (1) SG74541A1 (es)
TW (1) TW242150B (es)
UA (1) UA27907C2 (es)
WO (1) WO1993023465A1 (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE176780T1 (de) * 1993-07-05 1999-03-15 Du Pont Herstellung von dicarbonsäuren oder ihren estern
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
AU716552B2 (en) * 1996-04-01 2000-03-02 Phoenix Technologies International, Llc Improved decontamination of RPET through particle size reduction
DE19643479B4 (de) * 1996-10-22 2006-04-20 Zimmer Ag Verfahren zur Herstellung von Polyethylenterephthalat aus Polyethylenterephthalat-Abfall
DE19646378C2 (de) * 1996-11-09 1999-11-11 Brown John Deutsche Eng Gmbh Verfahren und Vorrichtung zur Rückgewinnung von Dicarbonsäuren und Diolen aus Polyesterabfällen, insbesondere aus Polyethylenterephthalat(PET)-Abfällen beliebigen Polymerisationsgrades
AUPP261498A0 (en) * 1998-03-27 1998-04-23 Swig Pty Ltd Improved conversion of contaminated polyethylene terephthalate to polybutylene terephthalate
JP3715812B2 (ja) * 1998-12-10 2005-11-16 株式会社アイエス ポリエチレンテレフタレート廃棄物のケミカルリサイクル方法
DE10348144A1 (de) 2003-10-13 2005-05-19 Krones Ag PET-Flaschen-Recycling
US9234074B2 (en) 2012-04-20 2016-01-12 Perpetual Global Technologies Limited Flakes of ester mixtures and methods for their production
PL228319B1 (pl) * 2014-06-10 2018-03-30 Rs Pet Spolka Z Ograniczona Odpowiedzialnoscia Sposób recyklingu odpadów politereftalanu etylenu PET
US10316163B2 (en) * 2014-12-23 2019-06-11 Ioniqa Technologies B.V. Polymer degradation
PL411850A1 (pl) * 2015-04-01 2016-10-10 Rs Pet Spółka Z Ograniczoną Odpowiedzialnością Sposób odbarwiania odpadów politereftalanu etylenu PET
CN106831390A (zh) * 2016-12-16 2017-06-13 树业环保科技股份有限公司 一种利用废旧pet薄膜制备单体pta的方法
KR102435249B1 (ko) * 2018-01-08 2022-08-22 현대모비스 주식회사 전동식 브레이크의 과열 방지장치 및 그 방법
DE102018122210B4 (de) 2018-09-12 2023-06-29 Rittec Umwelttechnik Gmbh Verfahren und Verwendung einer Vorrichtung zur Wiederaufarbeitung von Polyalkylenterephthalat enthaltenden Abfällen
TWI694064B (zh) * 2018-09-26 2020-05-21 遠東新世紀股份有限公司 對苯二甲酸的製造方法及其系統
FR3092324B1 (fr) * 2019-02-01 2021-04-23 Ifp Energies Now Procédé de production d’un polyester téréphtalate intégrant un procédé de dépolymérisation
US12522695B2 (en) 2019-10-08 2026-01-13 Eastman Chemical Company Catalyst systems for crystallizable reactor grade resins with recycled content
KR20210067555A (ko) * 2019-11-29 2021-06-08 롯데케미칼 주식회사 결정화를 포함하는 폐플라스틱의 화학적 재활용 방법
US11952467B2 (en) * 2021-02-09 2024-04-09 National Taiwan University Method for processing polyalkylene benzenedicarboxylate material
TWI786787B (zh) 2021-08-26 2022-12-11 南亞塑膠工業股份有限公司 利用離子液體觸媒回收聚酯織物的方法
EP4342943B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using a selected feedstock
ES2987868T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando material filtrante de partículas porosas
ES2987865T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando coordenadas de color específicas para el procesamiento de oligómeros
ES2987897T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando un intervalo de temperatura seleccionado para elprocesamiento de oligómeros
EP4342946B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using a washing reactor
ES2987863T3 (es) * 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando una materia prima separada
EP4342942B1 (en) 2022-09-20 2024-07-10 revalyu Resources GmbH Process for recycling polyethylene terephthalate determined by intrinsic viscosity of polyethylene terephthalate
EP4342945B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using different mono-ethylene glycol levels
ES2987870T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando un gradiente de concentración de impurezas
CN116554025B (zh) * 2023-05-19 2026-02-03 广东绿王新材料有限公司 一种聚酯瓶片化学制备bhet粉料的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610136A (en) * 1946-03-28 1948-10-12 Royden Lewis Heath Degradation of aromatic linear polyesters
FR1081681A (fr) * 1952-08-09 1954-12-22 Perfogit Procédé de récupération de chutes de polyesters synthétiques
NL301426A (es) * 1962-12-06
DE1443876A1 (de) * 1964-02-18 1968-11-07 Hoechst Ag Verfahren zum Abbau von Polyaethylenterephthalat zu Terephthalsaeuredimethylester
DE1247291B (de) * 1964-04-28 1967-08-17 Schwarza Chemiefaser Verfahren und Vorrichtung zur Herstellung von Dialkylterephthalaten durch Abbau von Polyaethylenglykolterephthalaten
US3544622A (en) * 1965-03-10 1970-12-01 Du Pont Alkaline saponification of polyethylene terephthalate at high temperatures using controlled amount of sodium hydroxide
CH550753A (it) * 1970-11-26 1974-06-28 Sir Soc Italiana Resine Spa Procedimento per la depolimerizzazione di polietilentereftalato.
US4078143A (en) * 1976-01-09 1978-03-07 E. I. Du Pont De Nemours And Company Process for depolymerizing waste ethylene terephthalate polyester
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

Also Published As

Publication number Publication date
KR950701661A (ko) 1995-04-28
JPH08502079A (ja) 1996-03-05
TW242150B (es) 1995-03-01
EP0641366B1 (en) 1999-07-28
BR9306379A (pt) 1998-09-01
HUT68173A (en) 1995-04-03
CA2136080C (en) 2000-04-18
AU4256093A (en) 1993-12-13
WO1993023465A1 (en) 1993-11-25
EP0641366A1 (en) 1995-03-08
HU9403298D0 (en) 1995-01-30
SG74541A1 (en) 2000-08-22
PL311308A1 (en) 1996-02-05
KR100271405B1 (ko) 2000-11-15
MY110079A (en) 1997-12-31
ATE182578T1 (de) 1999-08-15
DE69325803T2 (de) 1999-12-09
NZ252649A (en) 1996-03-26
HU214090B (en) 1997-12-29
JP3510885B2 (ja) 2004-03-29
CA2136080A1 (en) 1993-11-25
EP0641366A4 (en) 1995-05-31
AU659021B2 (en) 1995-05-04
PL181832B1 (pl) 2001-09-28
DE69325803D1 (de) 1999-09-02
UA27907C2 (uk) 2000-10-16

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