OA05495A - Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester. - Google Patents
Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.Info
- Publication number
- OA05495A OA05495A OA55996A OA55996A OA05495A OA 05495 A OA05495 A OA 05495A OA 55996 A OA55996 A OA 55996A OA 55996 A OA55996 A OA 55996A OA 05495 A OA05495 A OA 05495A
- Authority
- OA
- OAPI
- Prior art keywords
- dimethyl terephthalate
- polyester waste
- obtaining dimethyl
- obtaining
- polyester
- Prior art date
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (2)
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 |
FR7632484A FR2369242A2 (fr) | 1976-10-26 | 1976-10-26 | Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester |
Publications (1)
Publication Number | Publication Date |
---|---|
OA05495A true OA05495A (fr) | 1981-04-30 |
Family
ID=26219197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA55996A OA05495A (fr) | 1975-12-16 | 1976-11-25 | Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4163860A (fr) |
JP (1) | JPS606347B2 (fr) |
BR (1) | BR7608395A (fr) |
CA (1) | CA1039742A (fr) |
DD (1) | DD127321A5 (fr) |
DE (1) | DE2657044C2 (fr) |
ES (1) | ES454282A1 (fr) |
GB (1) | GB1540622A (fr) |
OA (1) | OA05495A (fr) |
PH (1) | PH13380A (fr) |
PL (1) | PL105524B1 (fr) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4929749A (en) * | 1989-03-15 | 1990-05-29 | Synergistics Industries, Limited | Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters |
US5045122A (en) * | 1989-12-14 | 1991-09-03 | Eastman Kodak Company | Ester hydrolysis and depolymerization of polyester and polycarbonate polymers |
US5051528A (en) * | 1990-04-24 | 1991-09-24 | Eastman Kodak Company | Recovery process for ethylene glycol and dimethylterephthalate |
US5236959A (en) * | 1992-03-12 | 1993-08-17 | Hoechst Celanese Corporation | Process for recycling polyester/cotton blends |
US5328982A (en) * | 1992-11-02 | 1994-07-12 | Eastman Chemical Company | Depolymerization of substantially amorphous polyesters |
US5298530A (en) * | 1992-11-25 | 1994-03-29 | Eastman Kodak Company | Process of recovering components from scrap polyester |
US5414113A (en) * | 1993-10-18 | 1995-05-09 | Amoco Corporation | Process for recovery of aromatic acid from waste polyester resin |
US5498749A (en) * | 1993-10-22 | 1996-03-12 | Eastman Chemical Company | Process for separating cyclohexane dimethanol from dimethyl terephthalate |
US5414106A (en) * | 1994-02-14 | 1995-05-09 | Hoechst Celanese Corporation | Process for recovering dimethyl terephthalate |
US5414022A (en) * | 1994-03-10 | 1995-05-09 | Eastman Kodak Company | Process of recovering components from polyester resins |
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 |
US5393916A (en) * | 1994-06-24 | 1995-02-28 | Eastman Kodak Company | Inhibition of dioxane formation during recovery of glycols from polyester resins |
US5414107A (en) * | 1994-07-20 | 1995-05-09 | Hoechst Celanese Corporation | Process for recycling polyethylene terephthalate process residues containing alkali metal organic salts |
US5672729A (en) * | 1995-07-28 | 1997-09-30 | Eastman Kodak Company | Recovery of terephthalate diesters from glycol residues |
US5502239A (en) * | 1995-08-07 | 1996-03-26 | Hoechst Celanese Corporation | Process for recovering dimethyl terephthalate |
US5744503A (en) * | 1996-02-01 | 1998-04-28 | Hoechst Celanese Corporation | Recycling polyester and recovering glycols |
US5958987A (en) * | 1996-04-10 | 1999-09-28 | The Coca-Cola Company | Process for separating polyester from other materials |
US5952520A (en) * | 1996-07-10 | 1999-09-14 | Eastman Kodak Company | Recovery of ester monomer from polyester resins |
US5821381A (en) * | 1997-02-03 | 1998-10-13 | Eastman Kodak Company | Low pressure process for purifying crude polyester by sublimation |
US5712410A (en) * | 1997-03-03 | 1998-01-27 | Eastman Kodak Company | Gas phase crystallization of dimethyl terephthalate |
US6001980A (en) * | 1997-09-03 | 1999-12-14 | Hoechst Celanese Corporation | Polyester toner composition for electrophotographic imaging systems |
US6472557B1 (en) | 1999-02-10 | 2002-10-29 | Eastman Chemical Company | Process for recycling polyesters |
US7070624B2 (en) * | 2001-06-19 | 2006-07-04 | United Resource Recovery Corporation | Process for separating polyester from other materials |
US20050054757A1 (en) * | 2003-09-10 | 2005-03-10 | Pearson Jason Clay | Method for reducing the acetaldehyde level in polyesters |
US7157139B2 (en) * | 2004-04-19 | 2007-01-02 | Grant W. Doney | Polymer manufacturing process |
US7098299B1 (en) * | 2005-03-16 | 2006-08-29 | United Resource Recovery Corporation | Separation of contaminants from polyester materials |
US8476364B2 (en) * | 2007-03-29 | 2013-07-02 | Beaulieu Group, Llc | Polymer manufacturing process |
US12071519B2 (en) | 2017-09-15 | 2024-08-27 | 9449710 Canada Inc. | Terephthalic acid esters formation |
US10252976B1 (en) * | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
CN112638859B (zh) | 2018-06-25 | 2023-09-05 | 9449710加拿大公司 | 对苯二甲酸酯的形成 |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
KR20240009934A (ko) * | 2021-05-17 | 2024-01-23 | 아쿠아필 에스. 피.에이. | 글리콜리시스에 의한 폴리에틸렌 테레프탈레이트의 해중합 방법 |
EP4423047A1 (fr) * | 2021-10-25 | 2024-09-04 | Eastman Chemical Company | Procédés de récupération de téréphtalates de dialkyle à partir de compositions de polyester |
EP4273190A1 (fr) | 2022-05-03 | 2023-11-08 | Universität Hamburg | Procédé de dépolymérisation d'un polyester téréphtalate |
LU102949B1 (en) | 2022-05-03 | 2023-11-06 | Univ Hamburg | Method for the depolymerization of a terephthalate polyester |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476052A (en) * | 1947-01-02 | 1949-07-12 | Standard Oil Dev Co | Ester exchange reaction |
FR1081681A (fr) * | 1952-08-09 | 1954-12-22 | Perfogit | Procédé de récupération de chutes de polyesters synthétiques |
US3784578A (en) * | 1970-06-26 | 1974-01-08 | Bayer Ag | Process for the production of allyl esters |
-
1976
- 1976-11-25 OA OA55996A patent/OA05495A/fr unknown
- 1976-12-08 US US05/748,540 patent/US4163860A/en not_active Expired - Lifetime
- 1976-12-13 JP JP51148834A patent/JPS606347B2/ja not_active Expired
- 1976-12-14 BR BR7608395A patent/BR7608395A/pt unknown
- 1976-12-14 PH PH19237A patent/PH13380A/en unknown
- 1976-12-14 DD DD196327A patent/DD127321A5/xx unknown
- 1976-12-15 GB GB52359/76A patent/GB1540622A/en not_active Expired
- 1976-12-15 CA CA267,945A patent/CA1039742A/fr not_active Expired
- 1976-12-16 PL PL1976194447A patent/PL105524B1/pl unknown
- 1976-12-16 ES ES454282A patent/ES454282A1/es not_active Expired
- 1976-12-16 DE DE2657044A patent/DE2657044C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS606347B2 (ja) | 1985-02-18 |
ES454282A1 (es) | 1977-11-16 |
DD127321A5 (fr) | 1977-09-14 |
PL105524B1 (pl) | 1979-10-31 |
JPS5277024A (en) | 1977-06-29 |
US4163860A (en) | 1979-08-07 |
DE2657044C2 (de) | 1986-04-10 |
GB1540622A (en) | 1979-02-14 |
BR7608395A (pt) | 1977-12-13 |
CA1039742A (fr) | 1978-10-03 |
PH13380A (en) | 1980-03-25 |
DE2657044A1 (de) | 1977-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
OA05495A (fr) | Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester. | |
BE862051A (fr) | Procede de production d'hydrocarbures aromatiques a partir d'hydrocarbure aliphatiques | |
FR2348310A1 (fr) | Procede de teinture de polyesters en presence d'un vehiculeur de colorants | |
FR2426064B1 (fr) | Composition de polyester a mouler, a base de terephtalate de polyethylene | |
OA06448A (fr) | Procédé d'obtention de matières protéiniques à partir de déchets agricoles. | |
IT7826312A0 (it) | Processo di coprecipitazione. | |
BR7808618A (pt) | Processo para a manufatura de artigos configurados a partir de materiais endureciveis com agua | |
IT7831018A0 (it) | Impianto di radiodiagnostica a scansione. | |
IT7830123A0 (it) | Processo per la preparazione di un catalizzatore misto. | |
IT7822323A0 (it) | Processo per la sintesi di alchilencarbonati. | |
BR7703832A (pt) | Processo destinado a producao de novos gona-4,9(10)-dieno | |
IT7829891A0 (it) | Processo catalitico di deidroalogenazione. | |
BE865268A (fr) | Procede de fabrication d'epoxydes a partir d'alcane-diols-1,2 | |
PT66816B (fr) | Procede d'obtention d'articles en forme de cellulose | |
BR7806150A (pt) | Processo para a fabricacao de 1,1,1,2-tetrafluor-etano | |
NO874459L (no) | Maskinpistol for patroner av forskjellige typer. | |
IT7823078A0 (it) | Generatore di rumore analogico a distribuzione predeterminabile apartire da un processo puntiforme. | |
BR8206265A (pt) | Processo de sintese de isopreno a partir de butenos lineares | |
FR2318259A1 (fr) | Appareil automatique pour la fabrication d'articles de forme annulaire a partir d'une tresse ou d'une bande de textile | |
BR7802140A (pt) | Processo para a preparacao de 2,3-dimetilpentanal | |
BE859874A (fr) | Procede de preparation d'oxydes metalliques a partir de beta-feooh | |
IT7826767A0 (it) | Procedimento di filatura di elevata produttivita'. | |
IT7820471A0 (it) | Alta velocita' di filati procedimento per la produzione ad preorientati. | |
BE850966A (fr) | Procede d'activation de catalyseurs | |
FR2341574A1 (fr) | Procede de preparation d'une gamma-lactone |