BR9300024A - Processo para produzir acido tereftalico a partir de tereflalato de poliaquileno - Google Patents

Processo para produzir acido tereftalico a partir de tereflalato de poliaquileno

Info

Publication number
BR9300024A
BR9300024A BR9300024A BR9300024A BR9300024A BR 9300024 A BR9300024 A BR 9300024A BR 9300024 A BR9300024 A BR 9300024A BR 9300024 A BR9300024 A BR 9300024A BR 9300024 A BR9300024 A BR 9300024A
Authority
BR
Brazil
Prior art keywords
terephthalic acid
polyaquylene
tereflalate
produce
hydrolysis
Prior art date
Application number
BR9300024A
Other languages
English (en)
Portuguese (pt)
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
Publication of BR9300024A publication Critical patent/BR9300024A/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
    • C08J11/14—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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
BR9300024A 1992-01-07 1993-01-06 Processo para produzir acido tereftalico a partir de tereflalato de poliaquileno BR9300024A (pt)

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
BR9300024A true BR9300024A (pt) 1993-07-13

Family

ID=10708157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9300024A BR9300024A (pt) 1992-01-07 1993-01-06 Processo para produzir acido tereftalico a partir de tereflalato de poliaquileno

Country Status (12)

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

Families Citing this family (17)

* 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
US5750776A (en) * 1993-07-05 1998-05-12 Imperial Chemical Industries Plc Production of dicarboxylic acids or esters thereof
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
RS3604A (sr) 2001-06-19 2007-04-10 United Resource Recovery Corporation, Postupak za odvajanje poliestera od drugih materijala
US7098299B1 (en) 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials
US20090099388A1 (en) * 2006-04-03 2009-04-16 Hussain Al Ghatta Recovery of aromatic dicarboxylic acids from waste polyester resin in the presence of a polyamide
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
CN116323547A (zh) * 2021-07-19 2023-06-23 株式会社Lg化学 用于合成再生塑料的单体组合物、其制备方法、使用其的再生塑料、模制品、增塑剂组合物
JP2025510233A (ja) * 2022-03-24 2025-04-14 イネオス ユーエス ケミカルズ カンパニー 芳香族ジカルボン酸を製造する方法及び装置
WO2023250158A2 (en) 2022-06-24 2023-12-28 Hybridworks Chemical, Llc Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor
JP7829937B2 (ja) * 2023-05-25 2026-03-16 ＡＣ Ｂｉｏｄｅ株式会社 ポリエステル樹脂の分解方法

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
EP0550979A2 (en) 1993-07-14
DE69222285D1 (de) 1997-10-23
DE69222285T2 (de) 1998-01-22
GB9200176D0 (en) 1992-02-26
GB9226106D0 (en) 1993-02-10
US5426217A (en) 1995-06-20
TW267160B (OSRAM) 1996-01-01
GR3024869T3 (en) 1998-01-30
ES2106836T3 (es) 1997-11-16
JP3341912B2 (ja) 2002-11-05
ATE158273T1 (de) 1997-10-15
ZA9210084B (en) 1993-09-27
EP0550979A3 (en) 1993-09-08
JPH05255182A (ja) 1993-10-05
DK0550979T3 (da) 1998-05-11
EP0550979B1 (en) 1997-09-17

Similar Documents

Publication Publication Date Title
TW267160B (OSRAM)
DE3670652D1 (de) Verfahren zur vorveresterung freier fettsaeuren in rohfetten und/oder -oelen.
BR8506948A (pt) Processo para preparacao de acido formico
BR9203053A (pt) Processo para produzir acido l-glutamico pro fermentacao
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
ES2102600T3 (es) Procedimiento para preparar polisuccinimidas a partir de acido aspartico.
BR0206270A (pt) Processo para a produção de um poliéster
IE56882B1 (en) Apparatus for carrying out chemical dehydration reaction
DE3677042D1 (de) Verfahren zur herstellung von 2-amino-3-nitro-6-(4-fluor-benzyl-amino)-pyridin sowie 2-amino-3-carbethoxyamino-6-(4-fluor-benzyl-amino)-pyridin.
BR8204175A (pt) Processo para a producao de 3-cianopiridina
BR0012018A (pt) Processo para a produção contìnua de tereftalato de polibutileno a partir de ácido tereftalato de 1,4-butanodiol
ATE46317T1 (de) Herstellungsverfahren von methacrylsaeureestern durch transesterifikation.
JPS5592691A (en) Purification of dicarboxylic acid produced by fermentation
ES2105636T3 (es) Produccion de poliesteres ramificados.
ES2021108B3 (es) Procedimiento para la preparacion de ester dimetilico de acido maleico
BR8705576A (pt) Processo para a producao de xilose
ITMI921173A1 (it) Procedimento per la preparazione di un catalizzatore solido a base di acido fosforico
BR8108385A (pt) Processo para preparacao de acido sorbico,processo para conversao de acidos acetoxiexenoicos em acido sorbico e composicao
IT1204355B (it) Processo per la produzione di acido formico mediante carbonilazione di idrossialchilammine ed idrolisi delle idrossialchilformammidi prodotte
BR8703741A (pt) Processo de fermentacao para produzir acido i-glutamico
JPS56127329A (en) Preparation of monochloroacetic acid
RU93054886A (ru) Способ получения нитрометана
DE3584528D1 (de) Katalytisches verfahren zur herstellung von amiden.
SU1709713A1 (ru) Способ получения полиэфиров
RU93052264A (ru) Способ получения олигомерных алкокси-, арилоксифосфазенов

Legal Events

Date Code Title Description
EE Request for examination
PC Transfer

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

PCP Transfer pending
PC Transfer

Free format text: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP (US)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 17A E 18A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 17A E 18A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.