UY38276A - Formación de ésteres de ácido tereftálico - Google Patents

Formación de ésteres de ácido tereftálico

Info

Publication number
UY38276A
UY38276A UY0001038276A UY38276A UY38276A UY 38276 A UY38276 A UY 38276A UY 0001038276 A UY0001038276 A UY 0001038276A UY 38276 A UY38276 A UY 38276A UY 38276 A UY38276 A UY 38276A
Authority
UY
Uruguay
Prior art keywords
formation
acid esters
terephthalic acid
dmt
dimethyl terephthalate
Prior art date
Application number
UY0001038276A
Other languages
English (en)
Inventor
Hatem Essaddam
Fares Essaddam
Original Assignee
9449710 Canada Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 9449710 Canada Inc filed Critical 9449710 Canada Inc
Publication of UY38276A publication Critical patent/UY38276A/es

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
    • 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
    • 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
    • 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 descripción se refiere a la formación de tereftalato de dimetilo (DMT). La presente invención se refiere a la despolimerización de tereftalato de polietileno (PET) y la recuperación de tereftalato de dimetilo (DMT).
UY0001038276A 2018-06-25 2019-06-24 Formación de ésteres de ácido tereftálico UY38276A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862689597P 2018-06-25 2018-06-25

Publications (1)

Publication Number Publication Date
UY38276A true UY38276A (es) 2019-12-31

Family

ID=68980992

Family Applications (1)

Application Number Title Priority Date Filing Date
UY0001038276A UY38276A (es) 2018-06-25 2019-06-24 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) MA55433B1 (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 (15)

* Cited by examiner, † Cited by third party
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
EA202190121A1 (ru) 2018-06-25 2021-06-07 9449710 Канада Инк. Получение сложных эфиров терефталевой кислоты
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
CN118176247A (zh) 2021-10-06 2024-06-11 伊士曼化工公司 由聚酯地毯纤维生产原生品质pet和共聚酯原料
WO2023193941A1 (de) * 2022-04-04 2023-10-12 Evonik Operations Gmbh Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat
WO2023193940A1 (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
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
WO2023194442A1 (fr) 2022-04-06 2023-10-12 Recyc'elit Procede de depolymerisation de polyesters terephtaliques en esters de terephtalate a temperature ambiante
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
WO2024083324A1 (de) 2022-10-19 2024-04-25 Evonik Operations Gmbh Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat

Family Cites Families (66)

* Cited by examiner, † Cited by third party
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
NL278287A (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
OA05495A (fr) 1975-12-16 1981-04-30 Rhone Poulenc Textile Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.
FR2335490A1 (fr) 1975-12-16 1977-07-15 Rhone Poulenc Textile Procede d'obtention de terephtalate de dimethyle a partir de dechets 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
US6075163A (en) 1995-12-30 2000-06-13 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
DE60042656D1 (de) * 1999-10-22 2009-09-10 Teijin Ltd Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
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
ES2287046T3 (es) 1999-12-20 2007-12-16 Advanced Plastics Technologies Luxembourg S.A. Polimeros de hidroxi-fenoxieter en la fabricacion de papel.
US6951954B1 (en) 2000-02-11 2005-10-04 E.I. Du Pont De Nemours And Company Continuous process for producing bis(3-hydroxypropyl) terephthalate
DE60000606T2 (de) 2000-02-29 2003-08-14 Massimo Broccatelli Verfahren zur Rückgewinnung von Terephthalsäure aus einem Poly(ethylenterephthalat)-enthaltenden Material
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
AU2001267817A1 (en) 2000-11-01 2002-05-21 Yash Vasant Joshi Method for direct recycling of plastic wastes
MXPA04003380A (es) 2001-10-16 2004-06-21 Teijin Ltd Metodo para el reciclaje de botellas pet.
DE10297453B4 (de) 2001-11-16 2008-11-27 Hitachi Chemical Co., Ltd. Abbauverfahren für gesättigte Polyester unter Verwendung einer Lösung
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
AU2003256186A1 (en) 2003-07-07 2005-01-21 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
CA2595393C (en) * 2004-01-27 2012-04-17 Arturo Guadalupe Fregoso-Infante Chemical process for recycling polyethylene terephthalate (pet) wastes
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
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
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
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
JP4679577B2 (ja) 2005-04-20 2011-04-27 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のアルカリ金属塩水溶液を得る方法
WO2007066446A1 (ja) 2005-12-09 2007-06-14 Kumamoto Technology And Industry Foundation ポリエステルおよび不飽和ポリエステルの解重合方法、ならびに当該解重合方法を用いたポリエステルモノマーの回収方法
KR20130130877A (ko) 2005-12-29 2013-12-02 비피 코포레이션 노쓰 아메리카 인코포레이티드 Ｄｅｔ를 형성하기 위한 ｐｅｔ의 가에탄올분해 및 그의 산화
EP1826229A1 (en) 2006-02-27 2007-08-29 Arkema France Amorphous copolyamides comprising p-bis(aminocyclohexyl)methane and terephtalic acid
WO2007113872A1 (en) 2006-04-03 2007-10-11 Cobarr S.P.A. Recovery of aromatic dicarboxylic acids from waste polyester resin in the presence of a polyamide
MX2008016450A (es) 2006-06-21 2009-01-22 Cobarr Spa Recuperacion de acidos dicarboxilicos aromaticos a partir de resina de poliester de desecho.
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
EA202190121A1 (ru) 2018-06-25 2021-06-07 9449710 Канада Инк. Получение сложных эфиров терефталевой кислоты
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)

Also Published As

Publication number Publication date
TW202000635A (zh) 2020-01-01
EP3810568A2 (en) 2021-04-28
US20190390035A1 (en) 2019-12-26
US11401398B2 (en) 2022-08-02
TN2020000250A1 (en) 2022-07-01
PH12020552259A1 (en) 2021-08-16
EA202190121A1 (ru) 2021-06-07
US20230125080A1 (en) 2023-04-27
US10808096B2 (en) 2020-10-20
ZA202100465B (en) 2023-07-26
MA55433A1 (fr) 2022-10-31
CO2021000639A2 (es) 2021-04-19
CN112638859A (zh) 2021-04-09
KR20210024100A (ko) 2021-03-04
CL2020003369A1 (es) 2021-07-19
WO2020002999A3 (en) 2020-03-05
JP2021530446A (ja) 2021-11-11
AR114978A1 (es) 2020-11-11
AU2019293885A1 (en) 2021-02-11
IL279738A (en) 2021-03-01
PE20210858A1 (es) 2021-05-18
CN112638859B (zh) 2023-09-05
CA3105155A1 (en) 2020-01-02
JP2024073472A (ja) 2024-05-29
JP7446246B2 (ja) 2024-03-08
US20210079192A1 (en) 2021-03-18
MA55433B1 (fr) 2023-02-28
SG11202012691XA (en) 2021-01-28
CN117326941A (zh) 2024-01-02
MX2020014244A (es) 2021-03-09
EP3810568A4 (en) 2022-04-13
MA52103A1 (fr) 2021-11-30
WO2020002999A2 (en) 2020-01-02
MA52103B1 (fr) 2022-05-31
BR112020026424A2 (pt) 2021-03-23

Similar Documents

Publication Publication Date Title
UY38276A (es) Formación de ésteres de ácido tereftálico
AR113056A1 (es) Formación de ésteres de ácido tereftálico
CY1124350T1 (el) Αποπολυμερισμος τερεφθαλικου πολυαιθυλενιου
BR112018076675A2 (pt) processo de despolimerização de um poliéster que compreende tereftalato de polietileno opaco
EA201791326A1 (ru) Механическая запирающая система для панелей пола
CL2021002420A1 (es) Proceso para despolimerizar tereftalato de polietileno (pet)
BR112018076417A2 (pt) driver de modo de tensão com reciclagem de carga
BR112012019546A2 (pt) elemento de corte e metodo de orientacao
CU20150049A7 (es) El ácido polidihidroferúlico, un derivado mimético del tereftalato polietileno biorrenovable de lignina y ácido acético y copolímeros de los mismos
BR112015022618A2 (pt) processo para a preparação de ácido levulínico
BR112018009411A8 (pt) processo para separar uma composição compreendendo poliamida, poliéster e pelo menos um outro aditivo
BR112017000593A2 (pt) identificação e apresentação de artefatos de relatório relevantes em documentos
PH12015501589A1 (en) Polyester resin composition
TR201904928T4 (tr) Tereftalik asit diesterlerin resirküle alkol dehidratasyonu ile üretimi için yöntem.
TW201643201A (en) Cross-linked product of carboxymethyl group-containing modified hyaluronic acid and/or salt of same, and method for producing same
KR20180084253A (ko) 생분해성 필름
BR112017006887A2 (pt) catalisador para a produção de fase gasosa de ácidos carboxílicos
TH1501002988A (th) ของผสมที่สามารถย่อยสลายได้ทางชีวภาพ
HUE058760T2 (hu) Eljárás tereftálsav kinyerésére hulladék polietilén-tereftalátból
IT201700091841A1 (it) Processo per la produzione di un poliestere biodegradabile
TH165503S (th) ถาด
TH145500S (th) ลวดลายจักสาน
UA95286U (uk) Спосіб отримання ненасиченої поліестерної смоли на основі вторинного поліетилентерефталату
TH142520S (th) บรรจุภัณฑ์