EA202190121A1 - Получение сложных эфиров терефталевой кислоты - Google Patents
Получение сложных эфиров терефталевой кислотыInfo
- Publication number
- EA202190121A1 EA202190121A1 EA202190121A EA202190121A EA202190121A1 EA 202190121 A1 EA202190121 A1 EA 202190121A1 EA 202190121 A EA202190121 A EA 202190121A EA 202190121 A EA202190121 A EA 202190121A EA 202190121 A1 EA202190121 A1 EA 202190121A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- preparation
- acid esters
- terephthalic acid
- dmt
- relates
- Prior art date
Links
- 150000003503 terephthalic acid derivatives Chemical class 0.000 title 1
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 8
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 2
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 2
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
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 |
|---|---|
| EA202190121A1 true EA202190121A1 (ru) | 2021-06-07 |
Family
ID=68980992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA202190121A EA202190121A1 (ru) | 2018-06-25 | 2019-06-24 | Получение сложных эфиров терефталевой кислоты |
Country Status (23)
| Country | Link |
|---|---|
| US (3) | US10808096B2 (enExample) |
| EP (1) | EP3810568A4 (enExample) |
| JP (2) | JP7446246B2 (enExample) |
| KR (1) | KR102845647B1 (enExample) |
| CN (2) | CN117326941A (enExample) |
| AR (1) | AR114978A1 (enExample) |
| AU (1) | AU2019293885B2 (enExample) |
| CA (1) | CA3105155A1 (enExample) |
| CL (1) | CL2020003369A1 (enExample) |
| CO (1) | CO2021000639A2 (enExample) |
| EA (1) | EA202190121A1 (enExample) |
| IL (1) | IL279738B2 (enExample) |
| MA (2) | MA52103B1 (enExample) |
| MX (2) | MX2020014244A (enExample) |
| MY (1) | MY205894A (enExample) |
| PE (1) | PE20210858A1 (enExample) |
| PH (1) | PH12020552259A1 (enExample) |
| SG (1) | SG11202012691XA (enExample) |
| TN (1) | TN2020000250A1 (enExample) |
| TW (1) | TWI845518B (enExample) |
| UY (1) | UY38276A (enExample) |
| WO (1) | WO2020002999A2 (enExample) |
| ZA (1) | ZA202100465B (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
| 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 |
| PE20210858A1 (es) | 2018-06-25 | 2021-05-18 | 9449710 Canada Inc | Formacion de esteres de acido tereftalico |
| US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
| JP2023537393A (ja) * | 2020-08-10 | 2023-08-31 | オーリガ ポリマーズ，インコーポレイテッド | 廃棄ポリエステルのケミカルリサイクルから回収したグリコールの精製プロセス |
| FR3116532B1 (fr) | 2020-11-24 | 2022-10-28 | Recycelit | Procede ameliore de recyclage de pet par methanolyse |
| KR20240090321A (ko) | 2021-10-06 | 2024-06-21 | 이스트만 케미칼 컴파니 | 폴리에스테르 카펫 섬유로부터의 버진-품질의 pet 및 코폴리에스테르 원료의 제조 |
| JP2025511294A (ja) | 2022-04-04 | 2025-04-15 | エボニック オペレーションズ ゲーエムベーハー | ポリエチレンテレフタレートの改良された解重合法 |
| JP2025512918A (ja) | 2022-04-04 | 2025-04-22 | エボニック オペレーションズ ゲーエムベーハー | ポリエチレンテレフタレートの改良された解重合法 |
| EP4504829A1 (de) | 2022-04-04 | 2025-02-12 | Evonik Operations GmbH | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
| US20250223254A1 (en) | 2022-04-06 | 2025-07-10 | Recyc'elit | Method for room temperature depolymerization of terephthalic polyesters to terephthalate esters |
| FR3134392B1 (fr) | 2022-04-06 | 2025-06-13 | Recycelit | Procede de depolymerisation du pet en ester de terephtalate et monoethylene glycol a temperature ambiante |
| KR20250092186A (ko) | 2022-10-19 | 2025-06-23 | 에보닉 오퍼레이션스 게엠베하 | 폴리에틸렌 테레프탈레이트의 개선된 탈중합 방법 |
| KR20250092187A (ko) | 2022-10-19 | 2025-06-23 | 에보닉 오퍼레이션스 게엠베하 | 폴리에틸렌 테레프탈레이트의 개선된 탈중합 방법 |
| 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 |
| EP4389809A1 (en) * | 2022-12-23 | 2024-06-26 | Sipchem InnoVent SA | Apparatus and method for depolymerizing polycondensation polymers |
| CN120584151A (zh) | 2023-01-23 | 2025-09-02 | 赢创运营有限公司 | 用于在具有低熔点聚烯烃的混合物中解聚聚对苯二甲酸亚烷基酯的方法 |
| CN120584149A (zh) | 2023-01-23 | 2025-09-02 | 赢创运营有限公司 | 用于在挤出机中解聚聚对苯二甲酸亚烷基酯的方法 |
| KR20250140524A (ko) | 2023-01-23 | 2025-09-25 | 에보닉 오퍼레이션스 게엠베하 | 압출기에서 폴리알킬렌 테레프탈레이트의 해중합을 위한 공정 |
| EP4563616A1 (en) | 2023-11-28 | 2025-06-04 | Clariant International Ltd | Polyester based on recycled dimethyl terephthalate |
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