FR1470920A - Procédé de saponification de polyesters - Google Patents

Procédé de saponification de polyesters

Info

Publication number
FR1470920A
FR1470920A FR52757A FR52757A FR1470920A FR 1470920 A FR1470920 A FR 1470920A FR 52757 A FR52757 A FR 52757A FR 52757 A FR52757 A FR 52757A FR 1470920 A FR1470920 A FR 1470920A
Authority
FR
France
Prior art keywords
polyesters
saponification process
saponification
polyesters saponification
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
Application number
FR52757A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1470920A publication Critical patent/FR1470920A/fr
Expired legal-status Critical Current

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)
  • Polyesters Or Polycarbonates (AREA)
FR52757A 1965-03-10 1966-03-09 Procédé de saponification de polyesters Expired FR1470920A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US43875465A 1965-03-10 1965-03-10
US52639166A 1966-02-10 1966-02-10
US52634666A 1966-02-10 1966-02-10
US52635266A 1966-02-10 1966-02-10

Publications (1)

Publication Number Publication Date
FR1470920A true FR1470920A (fr) 1967-02-24

Family

ID=27503864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52757A Expired FR1470920A (fr) 1965-03-10 1966-03-09 Procédé de saponification de polyesters

Country Status (6)

Country Link
US (1) US3544622A (fr)
DE (1) DE1267678B (fr)
FR (1) FR1470920A (fr)
GB (1) GB1109767A (fr)
LU (1) LU50612A1 (fr)
NL (1) NL6603089A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999038835A1 (fr) * 1998-01-30 1999-08-05 Tredi Procede pour la production de terephtalate d'un metal alcalin purifie, issu de produits de saponification de polyterephtalates d'alkylene de recuperation

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542239A (en) * 1981-11-18 1985-09-17 Board Of Control Of Michigan Technological University Process for recovering terephthalic acid from waste polyethylene terephthalate
BR9306379A (pt) * 1992-05-18 1998-09-01 Simon Michael West Processos para remover contaminantes de components de tereftalato de polietileno (pet) para reciclar tereftalato de polietileno (pet) de fontes de pet usado e para reciclar tefeftalato de polietileno contendo dióis que não o etanodiol
US5602187A (en) * 1992-05-18 1997-02-11 Swig Pty Ltd. Polyethylene terephthalate decontamination
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
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
US5580905A (en) * 1994-04-28 1996-12-03 United Resource Recovery Corporation Process for recycling polyesters
US5710315A (en) * 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5532404A (en) * 1994-05-27 1996-07-02 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
ES2114449B1 (es) * 1995-08-23 1999-07-16 Garcia Juan Soto Procedimieto para el reciclaje de los residuos de fangos y lodos procedentes de la regeneracion de glicol.
DE69522479T2 (de) * 1995-12-30 2002-05-08 Sunkyong Ind Ltd Verfahren zur herstellung von terephtalischer säure
US6031128A (en) * 1995-12-30 2000-02-29 Sunkyong Industries Co., Ltd. Process for manufacturing terephthalic acid
US5958987A (en) * 1996-04-10 1999-09-28 The Coca-Cola Company Process for separating polyester from other materials
DE19810874A1 (de) * 1998-03-13 1999-09-16 Delphi Automotive Systems Gmbh Verfahren zur Aufbereitung von Edel- und/oder Halbedelmetallen aus Leiterplatten
JP3808672B2 (ja) * 1999-11-26 2006-08-16 東洋製罐株式会社 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法
DE60239100D1 (de) * 2001-06-19 2011-03-17 United Resource Recovery Corp Verfahren zur trennung von polyester von anderen materialien
US7098299B1 (en) 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials
CZ301118B6 (cs) * 2006-09-08 2009-11-11 Ústav chemických procesu Akademie ved CR Zpusob chemické recyklace odpadního polyethylentereftalátu
CZ299908B6 (cs) * 2007-07-13 2008-12-29 Ústav chemických procesu Akademie ved CR Zpusob chemické depolymerace odpadního polyethylentereftalátu
WO2012115984A2 (fr) 2011-02-21 2012-08-30 Felice Kristopher M Dispersions de polyuréthane et leurs procédés de fabrication et d'utilisation
KR101507696B1 (ko) 2011-06-10 2015-04-07 크리스토퍼 엠. 펠리체 투명 코팅, 아크릴 코팅
EP2722393B1 (fr) 2012-01-27 2019-01-09 Kao Corporation Procédé de fabrication d'une substance chimique utile à partir de sel de potassium d'acide téréphtalique
US9732026B2 (en) 2012-12-14 2017-08-15 Resinate Technologies, Inc. Reaction products containing hydroxyalkylterephthalates and methods of making and using same
ITUB20160843A1 (it) * 2016-02-18 2017-08-18 Recyclinnova S R L S Processo di conversione di rifiuti in Polietilene Tereftalato (PET) in prodotti chimici di valore
CZ2018182A3 (cs) 2018-04-12 2019-07-10 Tomáš Kamarýt Způsob odstraňování etiket z plastových obalů
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
EP3835023A1 (fr) * 2019-12-13 2021-06-16 Lenzing Aktiengesellschaft Procédé de recyclage d'ingrédients à partir de déchets textiles mixtes
DE102019135578A1 (de) 2019-12-20 2021-06-24 Rittec Umwelttechnik Gmbh Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung

Family Cites Families (2)

* 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999038835A1 (fr) * 1998-01-30 1999-08-05 Tredi Procede pour la production de terephtalate d'un metal alcalin purifie, issu de produits de saponification de polyterephtalates d'alkylene de recuperation
FR2774374A1 (fr) * 1998-01-30 1999-08-06 Tredi Procede pour la production de terephtalate d'un metal alcalin purifie, issu de produits de saponification de polyterephtalates d'alkylene de recuperation

Also Published As

Publication number Publication date
NL6603089A (fr) 1966-09-12
LU50612A1 (fr) 1966-09-12
DE1267678B (de) 1968-05-09
GB1109767A (en) 1968-04-18
US3544622A (en) 1970-12-01

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