FR2335490A1 - Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester - Google Patents

Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester

Info

Publication number
FR2335490A1
FR2335490A1 FR7538775A FR7538775A FR2335490A1 FR 2335490 A1 FR2335490 A1 FR 2335490A1 FR 7538775 A FR7538775 A FR 7538775A FR 7538775 A FR7538775 A FR 7538775A FR 2335490 A1 FR2335490 A1 FR 2335490A1
Authority
FR
France
Prior art keywords
terephthalate
methanolysis
diolysis
prepn
dimethyl terephthalate
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.)
Granted
Application number
FR7538775A
Other languages
English (en)
Other versions
FR2335490B1 (fr
Inventor
Jacques Delattre
Roland Raynaud
Claude Thomas
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.)
Rhone Poulenc Textile SA
Original Assignee
Rhone Poulenc Textile SA
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 Rhone Poulenc Textile SA filed Critical Rhone Poulenc Textile SA
Priority to FR7538775A priority Critical patent/FR2335490A1/fr
Priority to OA55996A priority patent/OA05495A/fr
Priority to MX766860U priority patent/MX5756E/es
Priority to CU34637A priority patent/CU34637A/es
Priority to US05/748,540 priority patent/US4163860A/en
Priority to JP51148834A priority patent/JPS606347B2/ja
Priority to IN2192/CAL/81A priority patent/IN155825B/en
Priority to PH19237A priority patent/PH13380A/en
Priority to DD196327A priority patent/DD127321A5/xx
Priority to BR7608395A priority patent/BR7608395A/pt
Priority to SU762428671A priority patent/SU797571A3/ru
Priority to CA267,945A priority patent/CA1039742A/fr
Priority to GB52359/76A priority patent/GB1540622A/en
Priority to PL1976194447A priority patent/PL105524B1/pl
Priority to DE2657044A priority patent/DE2657044C2/de
Priority to ES454282A priority patent/ES454282A1/es
Publication of FR2335490A1 publication Critical patent/FR2335490A1/fr
Application granted granted Critical
Publication of FR2335490B1 publication Critical patent/FR2335490B1/fr
Granted 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
    • 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
    • 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

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)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7538775A 1975-12-16 1975-12-16 Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester Granted FR2335490A1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR7538775A FR2335490A1 (fr) 1975-12-16 1975-12-16 Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester
OA55996A OA05495A (fr) 1975-12-16 1976-11-25 Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.
MX766860U MX5756E (es) 1975-12-16 1976-11-26 Procedimiento mejorado para la obtencion de dimetil tereftalato a partir de desechos de politeraftalatos o copolitereftalatos
CU34637A CU34637A (es) 1975-12-16 1976-12-03 Regeneracion de desechos por metilato de magnesio
US05/748,540 US4163860A (en) 1975-12-16 1976-12-08 Process for obtaining dimethyl terephthalate from polyester scrap
IN2192/CAL/81A IN155825B (fr) 1975-12-16 1976-12-13
JP51148834A JPS606347B2 (ja) 1975-12-16 1976-12-13 ジメチルテレフタレートを得る方法
DD196327A DD127321A5 (fr) 1975-12-16 1976-12-14
PH19237A PH13380A (en) 1975-12-16 1976-12-14 Process of obtaining demethyl terephthalate from polyester scrap
BR7608395A BR7608395A (pt) 1975-12-16 1976-12-14 Processo de obtencao de tereftalato de dimetila a partir de residuos de poliester
SU762428671A SU797571A3 (ru) 1975-12-16 1976-12-14 Способ получени диметилтерефталатаиз пОлиэфиРНыХ ОТХОдОВ
CA267,945A CA1039742A (fr) 1975-12-16 1976-12-15 Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester
GB52359/76A GB1540622A (en) 1975-12-16 1976-12-15 Process for obtaining dimethylterephthalate
PL1976194447A PL105524B1 (pl) 1975-12-16 1976-12-16 Sposob otrzymywania tereftalanu dwumetylu z odpadow poliestrowych
DE2657044A DE2657044C2 (de) 1975-12-16 1976-12-16 Verfahren zur Herstellung von Dimethylterephthalat aus einem durch Diolyse eines Poly- oder Copolyterephthalats erhaltenen Bis-(diol)-terephthalat
ES454282A ES454282A1 (es) 1975-12-16 1976-12-16 Procedimiento de obtencion de tereftalato de dimetilo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7538775A FR2335490A1 (fr) 1975-12-16 1975-12-16 Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester

Publications (2)

Publication Number Publication Date
FR2335490A1 true FR2335490A1 (fr) 1977-07-15
FR2335490B1 FR2335490B1 (fr) 1978-06-23

Family

ID=9163883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538775A Granted FR2335490A1 (fr) 1975-12-16 1975-12-16 Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester

Country Status (2)

Country Link
FR (1) FR2335490A1 (fr)
IN (1) IN155825B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10087130B2 (en) 2015-07-09 2018-10-02 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
US10808096B2 (en) 2018-06-25 2020-10-20 9449710 Canada Inc. Terephthalic acid esters formation
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10087130B2 (en) 2015-07-09 2018-10-02 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US10640442B2 (en) 2015-07-09 2020-05-05 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
US10793508B2 (en) 2017-09-15 2020-10-06 9449710 Canada Inc. Terephthalic acid esters formation
US11866404B2 (en) 2017-09-15 2024-01-09 9449710 Canada Inc. Terephthalic acid esters formation
US10808096B2 (en) 2018-06-25 2020-10-20 9449710 Canada Inc. Terephthalic acid esters formation
US11401398B2 (en) 2018-06-25 2022-08-02 9449710 Canada Inc. Terephthalic acid esters formation
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
US11795291B2 (en) 2019-03-20 2023-10-24 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)

Also Published As

Publication number Publication date
IN155825B (fr) 1985-03-16
FR2335490B1 (fr) 1978-06-23

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