BR0104393B1 - método de recuperacão de um material contendo poli (etileno tereftalato). - Google Patents

método de recuperacão de um material contendo poli (etileno tereftalato).

Info

Publication number
BR0104393B1
BR0104393B1 BRPI0104393-5A BR0104393A BR0104393B1 BR 0104393 B1 BR0104393 B1 BR 0104393B1 BR 0104393 A BR0104393 A BR 0104393A BR 0104393 B1 BR0104393 B1 BR 0104393B1
Authority
BR
Brazil
Prior art keywords
recovering
material containing
ethylene terephthalate
containing poly
poly
Prior art date
Application number
BRPI0104393-5A
Other languages
English (en)
Other versions
BR0104393A (pt
Inventor
Massimo Broccatelli
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 EP00830665A external-priority patent/EP1134211B1/en
Application filed filed Critical
Publication of BR0104393A publication Critical patent/BR0104393A/pt
Publication of BR0104393B1 publication Critical patent/BR0104393B1/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
    • C08J11/16—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 inorganic material
    • 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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
BRPI0104393-5A 2000-10-11 2001-10-03 método de recuperacão de um material contendo poli (etileno tereftalato). BR0104393B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00830665A EP1134211B1 (en) 2000-02-29 2000-10-11 Method of recovering chemical species by depolymerization of poly(ethylene terephthalate) and related use

Publications (2)

Publication Number Publication Date
BR0104393A BR0104393A (pt) 2002-05-21
BR0104393B1 true BR0104393B1 (pt) 2009-08-11

Family

ID=8175509

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0104393-5A BR0104393B1 (pt) 2000-10-11 2001-10-03 método de recuperacão de um material contendo poli (etileno tereftalato).

Country Status (3)

Country Link
US (1) US6720448B2 (pt)
BR (1) BR0104393B1 (pt)
CA (1) CA2358275C (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ299908B6 (cs) * 2007-07-13 2008-12-29 Ústav chemických procesu Akademie ved CR Zpusob chemické depolymerace odpadního polyethylentereftalátu
WO2012115984A2 (en) 2011-02-21 2012-08-30 Felice Kristopher M Polyurethane dispersions and methods of making and using same
US8541477B2 (en) 2011-03-04 2013-09-24 International Business Machines Corporation Methods of depolymerizing terephthalate polyesters
EP2718383A4 (en) 2011-06-10 2015-05-20 Kristopher M Felice CLEAR VARNISH, ACRYLIC COATINGS
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
CN117326941A (zh) 2018-06-25 2024-01-02 9449710加拿大公司 对苯二甲酸酯的形成
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)
DE102019135578A1 (de) 2019-12-20 2021-06-24 Rittec Umwelttechnik Gmbh Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung
US20230078562A1 (en) * 2021-09-16 2023-03-16 Circ, LLC Method of forming a polyester from a regenerated diacid formed from depolymerization of a waste material
EP4180413A1 (en) * 2021-11-11 2023-05-17 SHPP Global Technologies B.V. Method of converting poly(ethylene terephthalate) to terephthalic acid
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
JP2825733B2 (ja) 1993-06-16 1998-11-18 帝人株式会社 ナフタレンジカルボン酸ジメチルエステルとテレフタル酸ジメチルエステルとの分別回収方法
US5545746A (en) 1993-11-09 1996-08-13 Institut Francais Du Petrole Method for recovery of alkali metal or alkaline-earth metal terephthalate and of alkylene glycol from polyethylene terephthalates
AUPM499394A0 (en) 1994-04-11 1994-05-05 Petwest Pty Ltd Improved polyethylene terephthalate decontamination
DE19534276A1 (de) 1995-09-15 1997-03-20 Degussa Verfahren zur Aufarbeitung von Polyalkylenterephthalaten
JP3140469B2 (ja) * 1995-12-30 2001-03-05 スンキョン インダストリーズカンパニーズ，リミテッド テレフタル酸の製造方法
DE19629042C2 (de) 1996-07-19 1999-02-25 Cet Umwelttechnik Entwicklungs Verfahren zur Gewinnung von Terephthalsäure und Ethylenglykol, insbesondere aus Polyethylenterephthalat-Abfällen und Vorrichtung zur Durchführung des Verfahrens
PL191565B1 (pl) 1997-12-02 2006-06-30 Heinrich Smuda Sposób odzyskiwania kwasu tereftalowego i glikolu etylenowego z odpadowego poli/etylenotereftalanu/

Also Published As

Publication number Publication date
BR0104393A (pt) 2002-05-21
CA2358275A1 (en) 2002-04-11
CA2358275C (en) 2009-07-14
US6720448B2 (en) 2004-04-13
US20020065430A1 (en) 2002-05-30

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/10/2001, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 13A ANUIDADE.

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 2274 DE 05-08-2014 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.