CO2021000639A2 - Formación de ésteres de ácido tereftálico - Google Patents
Formación de ésteres de ácido tereftálicoInfo
- Publication number
- CO2021000639A2 CO2021000639A2 CONC2021/0000639A CO2021000639A CO2021000639A2 CO 2021000639 A2 CO2021000639 A2 CO 2021000639A2 CO 2021000639 A CO2021000639 A CO 2021000639A CO 2021000639 A2 CO2021000639 A2 CO 2021000639A2
- Authority
- CO
- Colombia
- Prior art keywords
- formation
- acid esters
- terephthalic acid
- dmt
- dimethyl terephthalate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/68—Preparation of metal alcoholates
- C07C29/70—Preparation of metal alcoholates by converting hydroxy groups to O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/128—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis
- C07C29/1285—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis of esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by elimination of -OH groups, e.g. by dehydration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/28—Metal alcoholates
- C07C31/30—Alkali metal or alkaline earth metal alcoholates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- 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
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
-
- 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
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
- C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862689597P | 2018-06-25 | 2018-06-25 | |
| PCT/IB2019/000816 WO2020002999A2 (en) | 2018-06-25 | 2019-06-24 | Terephthalic acid esters formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CO2021000639A2 true CO2021000639A2 (es) | 2021-04-19 |
Family
ID=68980992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CONC2021/0000639A CO2021000639A2 (es) | 2018-06-25 | 2021-01-22 | Formación de ésteres de ácido tereftálico |
Country Status (23)
| Country | Link |
|---|---|
| US (3) | US10808096B2 (https=) |
| EP (1) | EP3810568A4 (https=) |
| JP (2) | JP7446246B2 (https=) |
| KR (1) | KR102845647B1 (https=) |
| CN (2) | CN117326941A (https=) |
| AR (1) | AR114978A1 (https=) |
| AU (1) | AU2019293885B2 (https=) |
| CA (1) | CA3105155A1 (https=) |
| CL (1) | CL2020003369A1 (https=) |
| CO (1) | CO2021000639A2 (https=) |
| EA (1) | EA202190121A1 (https=) |
| IL (1) | IL279738B2 (https=) |
| MA (2) | MA52103B1 (https=) |
| MX (2) | MX2020014244A (https=) |
| MY (1) | MY205894A (https=) |
| PE (1) | PE20210858A1 (https=) |
| PH (1) | PH12020552259A1 (https=) |
| SG (1) | SG11202012691XA (https=) |
| TN (1) | TN2020000250A1 (https=) |
| TW (1) | TWI845518B (https=) |
| UY (1) | UY38276A (https=) |
| WO (1) | WO2020002999A2 (https=) |
| ZA (1) | ZA202100465B (https=) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
| US10808096B2 (en) | 2018-06-25 | 2020-10-20 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US12071519B2 (en) | 2017-09-15 | 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) |
| US12522695B2 (en) | 2019-10-08 | 2026-01-13 | Eastman Chemical Company | Catalyst systems for crystallizable reactor grade resins with recycled content |
| MX2022012764A (es) | 2020-04-13 | 2022-11-07 | Eastman Chem Co | Reciclaje quimico de materiales que comprenden alfombra automotriz de desecho. |
| MX2023001634A (es) | 2020-08-10 | 2023-03-08 | Auriga Polymers Inc | Proceso para purificacion del glicol recuperado del reciclaje quimico de residuos de poliester. |
| FR3116532B1 (fr) | 2020-11-24 | 2022-10-28 | Recycelit | Procede ameliore de recyclage de pet par methanolyse |
| JP2024537179A (ja) | 2021-10-06 | 2024-10-10 | イーストマン ケミカル カンパニー | ポリエステルカーペット繊維からのバージン品質のｐｅｔおよびコポリエステル原料の製造 |
| US20250215187A1 (en) | 2022-04-04 | 2025-07-03 | Evonik Operations Gmbh | Improved method for depolymerising polyethylene terephthalate |
| CN119136908A (zh) * | 2022-04-04 | 2024-12-13 | 赢创运营有限公司 | 聚对苯二甲酸乙二醇酯的解聚的改进方法 |
| CA3247285A1 (en) * | 2022-04-04 | 2025-02-26 | Evonik Operations Gmbh | IMPROVED METHOD FOR DEPOLYMERIZING POLYETHYLENE TEREPTHALATE |
| WO2023194442A1 (fr) | 2022-04-06 | 2023-10-12 | Recyc'elit | Procede de depolymerisation de polyesters terephtaliques en esters de terephtalate a temperature ambiante |
| FR3134392B1 (fr) | 2022-04-06 | 2025-06-13 | Recycelit | Procede de depolymerisation du pet en ester de terephtalate et monoethylene glycol a temperature ambiante |
| CN120390831A (zh) | 2022-10-19 | 2025-07-29 | 赢创运营有限公司 | 用于聚对苯二甲酸乙二醇酯解聚的改进方法 |
| CN120051520A (zh) | 2022-10-19 | 2025-05-27 | 赢创运营有限公司 | 用于聚对苯二甲酸乙二醇酯解聚的改进方法 |
| EP4605455A1 (de) | 2022-10-19 | 2025-08-27 | Evonik Operations GmbH | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
| EP4389809A1 (en) * | 2022-12-23 | 2024-06-26 | Sipchem InnoVent SA | Apparatus and method for depolymerizing polycondensation polymers |
| WO2024156563A1 (en) | 2023-01-23 | 2024-08-02 | Evonik Operations Gmbh | Process for depolymerizing polyalkylene terephthalates in mixtures with lower-melting polyolefins |
| WO2024156568A1 (en) | 2023-01-23 | 2024-08-02 | Evonik Operations Gmbh | Process for depolymerization of polyalkylene terephthalates in an extruder |
| CN120584150A (zh) | 2023-01-23 | 2025-09-02 | 赢创运营有限公司 | 在挤出机中解聚聚对苯二甲酸亚烷基酯的方法 |
| EP4563616A1 (en) | 2023-11-28 | 2025-06-04 | Clariant International Ltd | Polyester based on recycled dimethyl terephthalate |
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