BR9406885A - Processo para efetuar despolimerização de poliésteres em fase solida e para a produção de um acido dicarboxilico - Google Patents

Processo para efetuar despolimerização de poliésteres em fase solida e para a produção de um acido dicarboxilico

Info

Publication number
BR9406885A
BR9406885A BR9406885A BR9406885A BR9406885A BR 9406885 A BR9406885 A BR 9406885A BR 9406885 A BR9406885 A BR 9406885A BR 9406885 A BR9406885 A BR 9406885A BR 9406885 A BR9406885 A BR 9406885A
Authority
BR
Brazil
Prior art keywords
pct
dicarboxylic acid
solid phase
depolymerizing
producing
Prior art date
Application number
BR9406885A
Other languages
English (en)
Inventor
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
Priority claimed from GB939313896A external-priority patent/GB9313896D0/en
Priority claimed from GB939313892A external-priority patent/GB9313892D0/en
Application filed by Ici Plc filed Critical Ici Plc
Publication of BR9406885A publication Critical patent/BR9406885A/pt

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
    • C08J11/18—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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Saccharide Compounds (AREA)
BR9406885A 1993-07-05 1994-06-29 Processo para efetuar despolimerização de poliésteres em fase solida e para a produção de um acido dicarboxilico BR9406885A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939313896A GB9313896D0 (en) 1993-07-05 1993-07-05 Production of dicarboxylic acids or esters thereof
GB939313892A GB9313892D0 (en) 1993-07-05 1993-07-05 Production of dicarboxylic acids
PCT/GB1994/001411 WO1995001954A1 (en) 1993-07-05 1994-06-29 Production of dicarboxylic acids or esters thereof

Publications (1)

Publication Number Publication Date
BR9406885A true BR9406885A (pt) 1996-04-02

Family

ID=26303186

Family Applications (2)

Application Number Title Priority Date Filing Date
BR9406885A BR9406885A (pt) 1993-07-05 1994-06-29 Processo para efetuar despolimerização de poliésteres em fase solida e para a produção de um acido dicarboxilico
BR9406886A BR9406886A (pt) 1993-07-05 1994-06-29 Processo para efetuar a despolimerização de poliésteres com o objetivo de recuperar o acido dicarbixilico e o diol constituintes dos poliesteres e processo para a produção de um acido dicarboxilico

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR9406886A BR9406886A (pt) 1993-07-05 1994-06-29 Processo para efetuar a despolimerização de poliésteres com o objetivo de recuperar o acido dicarbixilico e o diol constituintes dos poliesteres e processo para a produção de um acido dicarboxilico

Country Status (9)

Country Link
US (2) US5750776A (pt)
EP (2) EP0707563B1 (pt)
AT (2) ATE176780T1 (pt)
AU (2) AU683897B2 (pt)
BR (2) BR9406885A (pt)
CA (2) CA2165959A1 (pt)
DE (2) DE69424168T2 (pt)
ES (1) ES2129645T3 (pt)
WO (2) WO1995001954A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6410607B1 (en) * 1999-02-10 2002-06-25 Eastman Chemical Company Glycolysis process for recycling of post-consumer pet
US6472557B1 (en) 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
TWI239971B (en) * 1999-10-19 2005-09-21 Aies Co Ltd Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate
JP2004505126A (ja) * 2000-07-27 2004-02-19 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 酸化によるポリマーから有用な化学物質への変換
CA2419625A1 (en) * 2000-07-31 2003-01-29 Aies Co., Ltd. Bis-.beta.-hydroxyethyl terephthalate
WO2005079140A2 (en) * 2003-02-27 2005-09-01 Petrecycle Ltd A method for the decontamination of polyethylene terephthalate
CZ299244B6 (cs) * 2004-06-21 2008-05-28 Zpusob bazické hydrolýzy odpadního polyethylentereftalátu a zarízení k provádení tohoto zpusobu
BRPI0403740A (pt) 2004-08-25 2006-05-02 Luiz Alberto Jermolovicius processo para reciclagem quìmica de poli (tereftalato de etileno) pós-consumo e equipamento para realizar reciclagem quìmica de poli (tereftalato de etileno) pós-consumo
WO2012115984A2 (en) 2011-02-21 2012-08-30 Felice Kristopher M Polyurethane dispersions and methods of making and using same
CN103703086A (zh) 2011-06-10 2014-04-02 克里斯托弗·M·费利斯 透明涂层，丙烯酸类涂层
CN103030564B (zh) * 2011-10-09 2015-04-01 中国科学院过程工程研究所 一种多组分催化剂高效催化醇解聚对苯二甲酸乙二醇酯的方法
CN102731760B (zh) * 2012-07-17 2014-03-26 龙福环能科技股份有限公司 一种将回收聚酯瓶片料熔体醇解后再聚合的方法
EP4180413A1 (en) 2021-11-11 2023-05-17 SHPP Global Technologies B.V. Method of converting poly(ethylene terephthalate) to terephthalic acid
WO2023183864A1 (en) * 2022-03-24 2023-09-28 Ineos Us Chemicals Company Process and apparatus of production of aromatic dicarboxylic acid.
US11958944B2 (en) 2022-06-24 2024-04-16 Hybridworks Chemical, Llc Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor
WO2024095104A1 (en) 2022-11-02 2024-05-10 Shpp Global Technologies B.V. Method of converting poly(ethylene terephthalate) to terephthalic acid

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB822834A (en) * 1957-01-11 1959-11-04 Jaroslav Pitat A method of processing waste of polyethylene terephthalate by hydrolysis
DE1061772B (de) * 1957-02-08 1959-07-23 Rhodiaceta Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten
NL301426A (pt) * 1962-12-06
US3703488A (en) * 1968-03-22 1972-11-21 Goodyear Tire & Rubber Process for reuse of polyester resin
US3884850A (en) * 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
DE2916197C2 (de) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt
DE2938163A1 (de) * 1979-09-21 1981-04-09 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
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
US4620032A (en) * 1984-12-11 1986-10-28 Celanese Corporation Depolymerization of condensation polymers involving a pre-molecular weight reduction step
US4578502A (en) * 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process
US5095145A (en) * 1990-11-05 1992-03-10 Amoco Corporation Preparation of purified terephthalic acid from waste polyethylene terephthalate
US5237159A (en) * 1991-07-17 1993-08-17 J. D. Carreker And Associates Electronic check presentment system
GB9200176D0 (en) * 1992-01-07 1992-02-26 Ici Plc Process for the production of terephthalic acid
US5223544A (en) * 1992-03-31 1993-06-29 Shell Oil Company Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream
WO1993023465A1 (en) * 1992-05-18 1993-11-25 Petwest Pty. Ltd. Improved poly ethylene terephthalate decontamination
US5414113A (en) * 1993-10-18 1995-05-09 Amoco Corporation Process for recovery of aromatic acid from waste polyester resin

Also Published As

Publication number Publication date
EP0707563B1 (en) 1999-02-17
ATE192136T1 (de) 2000-05-15
EP0707563A1 (en) 1996-04-24
WO1995001954A1 (en) 1995-01-19
BR9406886A (pt) 1996-04-02
AU7006194A (en) 1995-02-06
WO1995001953A1 (en) 1995-01-19
AU683896B2 (en) 1997-11-27
CA2165959A1 (en) 1995-01-19
CA2165651A1 (en) 1995-01-19
EP0707562A1 (en) 1996-04-24
ES2129645T3 (es) 1999-06-16
DE69416590D1 (de) 1999-03-25
AU7006294A (en) 1995-02-06
DE69424168T2 (de) 2001-02-08
DE69416590T2 (de) 1999-08-26
DE69424168D1 (de) 2000-05-31
ATE176780T1 (de) 1999-03-15
EP0707562B1 (en) 2000-04-26
US5750776A (en) 1998-05-12
US5886057A (en) 1999-03-23
AU683897B2 (en) 1997-11-27

Similar Documents

Publication Publication Date Title
BR9406885A (pt) Processo para efetuar despolimerização de poliésteres em fase solida e para a produção de um acido dicarboxilico
MX9804145A (es) Proceso que incluye glicolisis y subsecuente purificacion para el reciclamiento de materiales de poliester.
EP0913418A4 (en) PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYESTERS
DE69614119D1 (de) Kontinuierliches transesterifikationsverfahren zur herstellung von polyol-polyestern
WO2000047658A8 (en) Process for recycling polyesters
DE69839009D1 (de) Niedrigalkylester-rückführung in der synthese von polyol-fettsäurepolyestern
DE3889722T2 (de) Verfahren zur Herstellung von Polyol-Fettsäure-Estern.
KR950701661A (ko) 개량된 폴리에틸렌 테레프탈레이트 오염물질 제거방법(improved polyethylene terephthlate decontamination)
PT98920A (pt) Processo para a preparacao de um poliester de acido gordo e de poliol altamente esterificado por interesterificacao de poliol e de ester de acido gordo de alcool facilmente eliminavel, util como substituto de gordura nao digerivel
BR8902998A (pt) Processo para sintetizar poliesteres de acido graxo de sacarose,metodo para condensacao de um ester de acido graxo de sacarose inferior com um acido graxo e processo para produzir poliester de acido graxo de dacaros
ES2098603T3 (es) Procedimiento para la preparacion de diesteres de acido tereftalico y de dioles, monomeros, a partir de poliesteres.
EP1217023A4 (en) METHOD FOR PRODUCING OLEFIN RESIN
ATE147399T1 (de) Verfahren zur herstellung von polyol-fettsäure- polyestern
JP2807781B2 (ja) 芳香族ポリエステルからのモノマーの回収方法
DE59602549D1 (de) Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen
WO1998055642A3 (en) Enzymatic synthesis of polyesters using lipase
KR960031504A (ko) 디히드록시 화합물을 함유하는 잔류물을 처리하는 방법
IT1121549B (it) Metodo per la produzione di poliestere

Legal Events

Date Code Title Description
PC Transfer

Free format text: E.I. DU PONT DE NEMOURS AND COMPANY (US)

FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
PCP Transfer pending
PCR Transfer refused
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law