FR2369242A2 - 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
- FR2369242A2 FR2369242A2 FR7632484A FR7632484A FR2369242A2 FR 2369242 A2 FR2369242 A2 FR 2369242A2 FR 7632484 A FR7632484 A FR 7632484A FR 7632484 A FR7632484 A FR 7632484A FR 2369242 A2 FR2369242 A2 FR 2369242A2
- 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 (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7632484A FR2369242A2 (fr) | 1976-10-26 | 1976-10-26 | 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 |
| US05/748,540 US4163860A (en) | 1975-12-16 | 1976-12-08 | Process for obtaining dimethyl terephthalate from polyester scrap |
| 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 |
| 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 |
| DD196327A DD127321A5 (index.php) | 1975-12-16 | 1976-12-14 | |
| GB52359/76A GB1540622A (en) | 1975-12-16 | 1976-12-15 | Process for obtaining dimethylterephthalate |
| CA267,945A CA1039742A (fr) | 1975-12-16 | 1976-12-15 | Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester |
| 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 |
| PL1976194447A PL105524B1 (pl) | 1975-12-16 | 1976-12-16 | Sposob otrzymywania tereftalanu dwumetylu z odpadow poliestrowych |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7632484A FR2369242A2 (fr) | 1976-10-26 | 1976-10-26 | Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2369242A2 true FR2369242A2 (fr) | 1978-05-26 |
| FR2369242B2 FR2369242B2 (index.php) | 1979-02-23 |
Family
ID=9179296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7632484A Granted FR2369242A2 (fr) | 1975-12-16 | 1976-10-26 | Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2369242A2 (index.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0377260A1 (fr) * | 1989-01-06 | 1990-07-11 | Solvay | Procédé pour la préparation d'esters de l'acide bêta-hydroxybutyrique |
| EP0688756A1 (en) * | 1994-06-24 | 1995-12-27 | Eastman Kodak Company | Inhibition of dioxane formation during recovery of glycols from polyester resins |
-
1976
- 1976-10-26 FR FR7632484A patent/FR2369242A2/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0377260A1 (fr) * | 1989-01-06 | 1990-07-11 | Solvay | Procédé pour la préparation d'esters de l'acide bêta-hydroxybutyrique |
| FR2641532A1 (fr) * | 1989-01-06 | 1990-07-13 | Solvay | Procede pour la preparation d'esters de l'acide (beta)-hydroxybutyrique |
| US5107016A (en) * | 1989-01-06 | 1992-04-21 | Solvay & Cie (Societe Anonyme) | Process for the preparation of β-hydroxybutyric acid esters |
| EP0688756A1 (en) * | 1994-06-24 | 1995-12-27 | Eastman Kodak Company | Inhibition of dioxane formation during recovery of glycols from polyester resins |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2369242B2 (index.php) | 1979-02-23 |
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