FR1081681A - Procédé de récupération de chutes de polyesters synthétiques - Google Patents
Procédé de récupération de chutes de polyesters synthétiquesInfo
- Publication number
- FR1081681A FR1081681A FR1081681DA FR1081681A FR 1081681 A FR1081681 A FR 1081681A FR 1081681D A FR1081681D A FR 1081681DA FR 1081681 A FR1081681 A FR 1081681A
- Authority
- FR
- France
- Prior art keywords
- offcuts
- synthetic polyester
- recovering synthetic
- recovering
- polyester
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1081681X | 1952-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1081681A true FR1081681A (fr) | 1954-12-22 |
Family
ID=11430525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1081681D Expired FR1081681A (fr) | 1952-08-09 | 1953-07-28 | Procédé de récupération de chutes de polyesters synthétiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1081681A (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163860A (en) * | 1975-12-16 | 1979-08-07 | Rhone-Poulenc-Textile | Process for obtaining dimethyl terephthalate from polyester scrap |
EP0388197A1 (fr) * | 1989-03-15 | 1990-09-19 | Synergistics Industries Limited | Préparation d'esters de l'acide téréphtalique par voie d'une transestérification dégradante de théréphtalates de récupération ou de téréphtalates primitifs |
US5319128A (en) * | 1989-03-15 | 1994-06-07 | Synergistics Industries, Ltd. | Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters |
US5393916A (en) * | 1994-06-24 | 1995-02-28 | Eastman Kodak Company | Inhibition of dioxane formation during recovery of glycols from polyester resins |
EP0641366A1 (fr) * | 1992-05-18 | 1995-03-08 | Swig Pty. Ltd. | Amelioration apportee a la decontamination de terephtalate de polyethylene (pet) |
US5672729A (en) * | 1995-07-28 | 1997-09-30 | Eastman Kodak Company | Recovery of terephthalate diesters from glycol residues |
US5952520A (en) * | 1996-07-10 | 1999-09-14 | Eastman Kodak Company | Recovery of ester monomer from polyester resins |
EP1082375A1 (fr) * | 1998-03-27 | 2001-03-14 | Swig Pty. Ltd. | Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
US11401398B2 (en) | 2018-06-25 | 2022-08-02 | 9449710 Canada Inc. | Terephthalic acid esters formation |
US11554366B2 (en) | 2019-03-20 | 2023-01-17 | 9449710 Canada Inc. | Process for recovering and reusing depolymerization catalyst |
US11866404B2 (en) | 2017-09-15 | 2024-01-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
-
1953
- 1953-07-28 FR FR1081681D patent/FR1081681A/fr not_active Expired
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163860A (en) * | 1975-12-16 | 1979-08-07 | Rhone-Poulenc-Textile | Process for obtaining dimethyl terephthalate from polyester scrap |
EP0388197A1 (fr) * | 1989-03-15 | 1990-09-19 | Synergistics Industries Limited | Préparation d'esters de l'acide téréphtalique par voie d'une transestérification dégradante de théréphtalates de récupération ou de téréphtalates primitifs |
US5319128A (en) * | 1989-03-15 | 1994-06-07 | Synergistics Industries, Ltd. | Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters |
EP0641366A1 (fr) * | 1992-05-18 | 1995-03-08 | Swig Pty. Ltd. | Amelioration apportee a la decontamination de terephtalate de polyethylene (pet) |
EP0641366A4 (fr) * | 1992-05-18 | 1995-05-31 | Petwest Pty Ltd | Amelioration apportee a la decontamination de terephtalate de polyethylene (pet). |
US5393916A (en) * | 1994-06-24 | 1995-02-28 | Eastman Kodak Company | Inhibition of dioxane formation during recovery of glycols from polyester resins |
EP0688756A1 (fr) | 1994-06-24 | 1995-12-27 | Eastman Kodak Company | Inhibition de la formation de dioxane lors de la récupération de glycols des résines polyesters |
US5672729A (en) * | 1995-07-28 | 1997-09-30 | Eastman Kodak Company | Recovery of terephthalate diesters from glycol residues |
US5952520A (en) * | 1996-07-10 | 1999-09-14 | Eastman Kodak Company | Recovery of ester monomer from polyester resins |
EP1082375A1 (fr) * | 1998-03-27 | 2001-03-14 | Swig Pty. Ltd. | Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine |
EP1082375A4 (fr) * | 1998-03-27 | 2001-05-02 | Swig Pty Ltd | Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine |
US11866404B2 (en) | 2017-09-15 | 2024-01-09 | 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) |
US11554366B2 (en) | 2019-03-20 | 2023-01-17 | 9449710 Canada Inc. | Process for recovering and reusing depolymerization catalyst |
US11795291B2 (en) | 2019-03-20 | 2023-10-24 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
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