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 polyesterInfo
- 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
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title abstract 9
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title abstract 4
- 238000006140 methanolysis reaction Methods 0.000 title abstract 3
- 239000002699 waste material Substances 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 title abstract 2
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 title 1
- 229920000728 polyester Polymers 0.000 title 1
- -1 polyethylene- Polymers 0.000 abstract 3
- 150000003839 salts Chemical class 0.000 abstract 2
- 229920001634 Copolyester Polymers 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 abstract 1
- 230000034659 glycolysis Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 abstract 1
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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-16 | 1976-12-14 | |
| SU762428671A SU797571A3 (ru) | 1975-12-16 | 1976-12-14 | Способ получени диметилтерефталатаиз пОлиэфиРНыХ ОТХОдОВ |
| BR7608395A BR7608395A (pt) | 1975-12-16 | 1976-12-14 | Processo de obtencao de tereftalato de dimetila a partir de residuos de poliester |
| PH19237A PH13380A (en) | 1975-12-16 | 1976-12-14 | Process of obtaining demethyl terephthalate from polyester scrap |
| 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 |
| ES454282A ES454282A1 (es) | 1975-12-16 | 1976-12-16 | Procedimiento de obtencion de tereftalato de dimetilo. |
| 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 |
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| IN (1) | IN155825B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (6)
| 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) |
| US12071519B2 (en) | 2017-09-15 | 2024-08-27 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US12415901B2 (en) | 2023-09-05 | 2025-09-16 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
-
1975
- 1975-12-16 FR FR7538775A patent/FR2335490A1/fr active Granted
-
1976
- 1976-12-13 IN IN2192/CAL/81A patent/IN155825B/en unknown
Cited By (12)
| 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 |
| US12071519B2 (en) | 2017-09-15 | 2024-08-27 | 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 |
| US12071520B2 (en) | 2018-06-25 | 2024-08-27 | 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) |
| US12415901B2 (en) | 2023-09-05 | 2025-09-16 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
Also Published As
| Publication number | Publication date |
|---|---|
| IN155825B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-03-16 |
| FR2335490B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |