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
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 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
- C07C29/60—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
- 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
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (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)
Abstract
La presente divulgación se refiere a la formación de tereftalato de dimetilo (DMT). La presente invención se refiere también a la despolimerización de tereftalato de polietileno (PET) y a la recuperación de tereftalato de dimetilo (DMT).
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 (21)
Country | Link |
---|---|
US (3) | US10808096B2 (es) |
EP (1) | EP3810568A4 (es) |
JP (2) | JP7446246B2 (es) |
KR (1) | KR20210024100A (es) |
CN (2) | CN117326941A (es) |
AR (1) | AR114978A1 (es) |
AU (1) | AU2019293885A1 (es) |
CA (1) | CA3105155A1 (es) |
CL (1) | CL2020003369A1 (es) |
CO (1) | CO2021000639A2 (es) |
EA (1) | EA202190121A1 (es) |
IL (1) | IL279738A (es) |
MA (2) | MA52103B1 (es) |
MX (1) | MX2020014244A (es) |
PE (1) | PE20210858A1 (es) |
PH (1) | PH12020552259A1 (es) |
SG (1) | SG11202012691XA (es) |
TN (1) | TN2020000250A1 (es) |
UY (1) | UY38276A (es) |
WO (1) | WO2020002999A2 (es) |
ZA (1) | ZA202100465B (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
TN2020000250A1 (en) | 2018-06-25 | 2022-07-01 | 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) |
CA3188894A1 (en) * | 2020-08-10 | 2022-02-17 | Michael KOWALSKE | Process for purification of recovered glycol from chemical recycling of waste polyester |
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 |
WO2023193940A1 (de) | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
WO2023193941A1 (de) * | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
WO2023193942A1 (de) * | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
WO2023194442A1 (fr) | 2022-04-06 | 2023-10-12 | Recyc'elit | Procede de depolymerisation de polyesters terephtaliques en esters de terephtalate a temperature ambiante |
FR3134392A1 (fr) | 2022-04-06 | 2023-10-13 | Recyc'elit | Procede de depolymerisation du pet en ester de terephtalate et monoethylene glycol a temperature ambiante |
WO2024083324A1 (de) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
WO2024083323A1 (de) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
WO2024083322A1 (de) | 2022-10-19 | 2024-04-25 | 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 |
Family Cites Families (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1025297A (en) | 1909-09-02 | 1912-05-07 | Westinghouse Air Brake Co | Light and load brake apparatus. |
US1008713A (en) | 1910-11-04 | 1911-11-14 | Chief Automobile Company | Vehicle. |
FR1081681A (fr) | 1952-08-09 | 1954-12-22 | Perfogit | Procédé de récupération de chutes de polyesters synthétiques |
GB784248A (en) | 1954-04-30 | 1957-10-09 | Du Pont | Improvements in the preparation of high quality dimethyl terephthalate |
BE617696A (es) * | 1961-05-16 | |||
GB1143897A (en) * | 1967-02-17 | 1969-02-26 | Metallgesellschaft Ag | A process for preparing alkali metal alcoholates and phenolates |
US3501420A (en) | 1967-10-20 | 1970-03-17 | Eastman Kodak Co | High purity polyester depolymerization products from polyester scrap by polish hydrogenation |
FR2335490A1 (fr) | 1975-12-16 | 1977-07-15 | Rhone Poulenc Textile | Procede d'obtention de terephtalate de dimethyle a partir de dechets de polyester |
OA05495A (fr) | 1975-12-16 | 1981-04-30 | Rhone Poulenc Textile | Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester. |
US4355175A (en) | 1981-04-06 | 1982-10-19 | Pusztaszeri Stephen F | Method for recovery of terephthalic acid from polyester scrap |
US4525307A (en) | 1983-08-02 | 1985-06-25 | Joseph Ayers, Inc. | Modified aluminum tri-alkoxide compounds |
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 |
US5386055A (en) | 1993-08-11 | 1995-01-31 | The University Of Akron | Depolymerization process |
AUPM499394A0 (en) | 1994-04-11 | 1994-05-05 | Petwest Pty Ltd | Improved polyethylene terephthalate decontamination |
EP0873296B1 (en) | 1995-12-30 | 2001-08-29 | Sunkyong Industries Co., Ltd. | Process for manufacturing terephthalic acid |
US5668186A (en) | 1996-03-20 | 1997-09-16 | General Electric Company | Process for depolymerizing polyesters |
FR2753973B1 (fr) | 1996-06-04 | 1999-01-29 | T B I | Procede d'obtention de polyols et polyols obtenus selon le procede |
DE19629042C2 (de) | 1996-07-19 | 1999-02-25 | Cet Umwelttechnik Entwicklungs | Verfahren zur Gewinnung von Terephthalsäure und Ethylenglykol, insbesondere aus Polyethylenterephthalat-Abfällen und Vorrichtung zur Durchführung des Verfahrens |
US6410607B1 (en) | 1999-02-10 | 2002-06-25 | Eastman Chemical Company | Glycolysis process for recycling of post-consumer pet |
US6706843B1 (en) | 1999-10-22 | 2004-03-16 | Teijin Limited | Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste |
JP2001192492A (ja) | 1999-11-01 | 2001-07-17 | Akio Kobayashi | 精製熱可塑性ポリエステル樹脂の製造方法 |
US6528546B2 (en) | 1999-12-20 | 2003-03-04 | Advanced Plastics Technologies, Ltd. | Recycling of articles comprising hydroxy-phenoxyether polymers |
US6951954B1 (en) | 2000-02-11 | 2005-10-04 | E.I. Du Pont De Nemours And Company | Continuous process for producing bis(3-hydroxypropyl) terephthalate |
PT1138663E (pt) | 2000-02-29 | 2003-03-31 | Massimo Broccatelli | Um metodo para a recuperacao de acido tereftalico a partir de substancias contendo poli(etileno-tereftalatos) |
JP2001261707A (ja) | 2000-03-23 | 2001-09-26 | Okayama Prefecture | 天然ゴムの解重合方法 |
US6380352B1 (en) | 2000-08-29 | 2002-04-30 | Eastman Chemical Company | Polyester precursor purification process |
US6720448B2 (en) | 2000-10-11 | 2004-04-13 | Massimo Broccatelli | Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use |
WO2002038276A1 (en) | 2000-11-01 | 2002-05-16 | Yash Vasant Joshi | Method for direct recycling of plastic wastes |
KR100866819B1 (ko) | 2001-10-16 | 2008-11-04 | 데이진 가부시키가이샤 | Pet 보틀의 리사이클 방법 |
WO2003042288A1 (fr) | 2001-11-16 | 2003-05-22 | Hitachi Chemical Co., Ltd. | Methode de dissolution d'un polyester sature, solution de decomposition d'un polyester sature, et methode de decomposition utilisant cette solution |
US6911546B2 (en) | 2002-12-26 | 2005-06-28 | International Business Machines Corporation | Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
JP4365592B2 (ja) | 2003-01-24 | 2009-11-18 | 帝人ファイバー株式会社 | ポリエステル廃棄物からの有効成分回収方法 |
WO2005003217A1 (en) | 2003-07-07 | 2005-01-13 | Roman Sierzant | Method and plant for the recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes |
FI116141B (fi) | 2004-01-05 | 2005-09-30 | Kemira Oyj | Depolymerointimenetelmä |
ES2328139T3 (es) | 2004-01-27 | 2009-11-10 | Universidad Iberoamericana, A.C. | Procedimiento quimico para el reciclado de residuos de tereftalato de polietileno (pet). |
WO2005105908A1 (ja) | 2004-04-28 | 2005-11-10 | Keio University | 主鎖にエステル結合を有するポリマーの解重合方法及び解重合生成物から主鎖にエステル結合を有するポリマーを製造する方法 |
JP4575074B2 (ja) | 2004-08-05 | 2010-11-04 | 帝人化成株式会社 | 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法 |
JP4364747B2 (ja) | 2004-08-05 | 2009-11-18 | 帝人化成株式会社 | 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法 |
JP4567397B2 (ja) | 2004-08-12 | 2010-10-20 | 帝人化成株式会社 | 廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法 |
BRPI0403740A (pt) | 2004-08-25 | 2006-05-02 | Luiz Alberto Jermolovicius | processo para reciclagem quìmica de poli (tereftalato de etileno) pós-consumo e equipamento para realizar reciclagem quìmica de poli (tereftalato de etileno) pós-consumo |
KR101166005B1 (ko) | 2005-04-20 | 2012-07-18 | 테이진 카세이 가부시키가이샤 | 폐방향족 폴리카보네이트로부터 방향족 디히드록시화합물의 알칼리 금속염 수용액을 얻는 방법 |
US7897651B2 (en) | 2005-12-09 | 2011-03-01 | Kazutoshi Ikenaga | Method for depolymerizing polyester and unsaturated polyester, and method for recovering polyester monomer using the depolymerization |
WO2007076384A2 (en) | 2005-12-29 | 2007-07-05 | Bp Corporation North America Inc. | Ethanolysis of pet to form det and oxidation thereof |
EP1826229A1 (en) | 2006-02-27 | 2007-08-29 | Arkema France | Amorphous copolyamides comprising p-bis(aminocyclohexyl)methane and terephtalic acid |
MX2008012690A (es) | 2006-04-03 | 2008-10-10 | Cobarr Spa | Recuperacion de acidos dicarboxilicos aromaticos a partir de resina de poliester de desecho en la presencia de una poliamida. |
US20090287017A1 (en) | 2006-06-21 | 2009-11-19 | Hussain Al Ghatta | Recovery of aromatic dicarboxlyic acids from waste polyester resin |
WO2008007384A1 (en) | 2006-07-10 | 2008-01-17 | Sarjerao Nivrutti Sutar | Depolymerization op waste rubber and thermoplastics including pvc or pet into hydrocarbon fuels |
US20080242751A1 (en) | 2006-12-27 | 2008-10-02 | Kurian Joseph V | Processes for manufacturing polyesters from post-consumer polyester |
CN101628909B (zh) * | 2008-07-15 | 2013-06-05 | 南通法茵克医药化工有限公司 | 用乙二醇合成1,4-二氧六环-2-酮的方法 |
US8309618B2 (en) | 2009-07-01 | 2012-11-13 | International Business Machines Corporation | Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
NL2005976C2 (en) * | 2011-01-10 | 2012-07-11 | Furanix Technologies Bv | Process for the depolymerization of a furan dicarboxylate containing polyester. |
CN102746460B (zh) | 2012-06-27 | 2014-01-01 | 宁波职业技术学院 | 一种高软化点浅色冷聚茚树脂的制备方法 |
JP2014070132A (ja) | 2012-09-28 | 2014-04-21 | Teijin Ltd | ポリエステル原料の製造方法 |
CN104327254B (zh) * | 2014-11-03 | 2016-06-29 | 东华大学 | 一种再生聚酯的制备方法 |
US9550713B1 (en) * | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
US9981902B2 (en) | 2015-10-23 | 2018-05-29 | Columbia Insurance Company | Process for production of an ester and diol from reclaimed carpet material |
WO2017096559A1 (en) | 2015-12-09 | 2017-06-15 | Rhodia Operations | Production of xylene derivatives |
CN105601507A (zh) | 2016-01-07 | 2016-05-25 | 中国地质大学(北京) | 低温条件下氢氧化钠催化降解聚酯类废旧纺织品方法 |
KR20180092147A (ko) * | 2017-02-08 | 2018-08-17 | 주식회사 에녹켐 | 폐 폴리에틸렌테레프탈레이트 병을 이용한 고순도 테레프탈로일 클로라이드의 제조방법 |
US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
TN2020000250A1 (en) | 2018-06-25 | 2022-07-01 | 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 |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
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2019
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- 2019-06-24 CN CN202311017167.4A patent/CN117326941A/zh active Pending
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