EA202190121A1 - Получение сложных эфиров терефталевой кислоты - Google Patents

Получение сложных эфиров терефталевой кислоты

Info

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
Application number
EA202190121A
Other languages
English (en)
Inventor
Фарес Эссаддам
Адель Эссаддам
Original Assignee
9449710 Канада Инк.
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 Канада Инк. filed Critical 9449710 Канада Инк.
Publication of EA202190121A1 publication Critical patent/EA202190121A1/ru

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
    • C07C29/60—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

Настоящее изобретение относится к получению диметилтерефталата (DMT). Настоящее изобретение также относится к деполимеризации полиэтилентерефталата (PET) и к выделению диметилтерефталата (DMT).
EA202190121A 2018-06-25 2019-06-24 Получение сложных эфиров терефталевой кислоты EA202190121A1 (ru)

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 (22)

Country Link
US (3) US10808096B2 (ru)
EP (1) EP3810568A4 (ru)
JP (1) JP7446246B2 (ru)
KR (1) KR20210024100A (ru)
CN (2) CN117326941A (ru)
AR (1) AR114978A1 (ru)
AU (1) AU2019293885A1 (ru)
CA (1) CA3105155A1 (ru)
CL (1) CL2020003369A1 (ru)
CO (1) CO2021000639A2 (ru)
EA (1) EA202190121A1 (ru)
IL (1) IL279738A (ru)
MA (2) MA52103B1 (ru)
MX (1) MX2020014244A (ru)
PE (1) PE20210858A1 (ru)
PH (1) PH12020552259A1 (ru)
SG (1) SG11202012691XA (ru)
TN (1) TN2020000250A1 (ru)
TW (1) TW202000635A (ru)
UY (1) UY38276A (ru)
WO (1) WO2020002999A2 (ru)
ZA (1) ZA202100465B (ru)

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
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)
GB2612252A (en) * 2020-08-10 2023-04-26 Auriga Polymers Inc 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
WO2023059579A1 (en) 2021-10-06 2023-04-13 Eastman Chemical Company Production of virgin-quality pet and copolyester raw materials from polyester carpet fibers
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 (ru) * 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
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
MXPA02003928A (es) * 1999-10-22 2002-10-23 Teijin Ltd Metodo para la separacion y recuperacion de tereftalato de dimetilo y etilenglicol a partir de residuo de poliester.
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
EP1138663B1 (en) 2000-02-29 2002-10-16 Massimo Broccatelli Method for recovery of terephthalic acid from a material containing poly(ethylene terephthalates)
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
KR100866819B1 (ko) 2001-10-16 2008-11-04 데이진 가부시키가이샤 Ｐｅｔ 보틀의 리사이클 방법
JP4428052B2 (ja) 2001-11-16 2010-03-10 日立化成工業株式会社 飽和ポリエステルの溶解方法、ならびに飽和ポリエステルを分解する溶液、およびこれを用いた分解方法
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
DK1710226T3 (da) 2004-01-27 2009-10-05 Univ Iberoamericana A C Kemisk fremgangsmåde til genanvendelse af polyethylenterephthalataffald (PET)
DE112005000965T5 (de) 2004-04-28 2007-03-22 Keio University Depolymerisationsverfahren für Polymere mit Esterbindung in der Hauptkette und Verfahren zur Herstellung von Polymeren mit Esterbindung in der Hauptkette aus dem Depolymerisationsprodukt
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
WO2006114893A1 (ja) 2005-04-20 2006-11-02 Teijin Chemicals Ltd. 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
EP2292684A3 (en) 2005-12-29 2011-04-20 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
ATE448187T1 (de) 2006-04-03 2009-11-15 Cobarr S R L Rückgewinnung von aromatischen dicarbonsäuren aus polyesterharzabfällen in gegenwart eines polyamids
EP2038246A1 (en) 2006-06-21 2009-03-25 Cobarr S.P.A. Recovery of aromatic dicarboxylic 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
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)
US11554366B2 (en) 2019-03-20 2023-01-17 9449710 Canada Inc. Process for recovering and reusing depolymerization catalyst

Also Published As

Publication number Publication date
US20210079192A1 (en) 2021-03-18
CN117326941A (zh) 2024-01-02
SG11202012691XA (en) 2021-01-28
CO2021000639A2 (es) 2021-04-19
MA55433B1 (fr) 2023-02-28
CN112638859B (zh) 2023-09-05
CL2020003369A1 (es) 2021-07-19
AR114978A1 (es) 2020-11-11
JP2021530446A (ja) 2021-11-11
MA55433A1 (fr) 2022-10-31
MA52103B1 (fr) 2022-05-31
PE20210858A1 (es) 2021-05-18
AU2019293885A1 (en) 2021-02-11
JP7446246B2 (ja) 2024-03-08
IL279738A (en) 2021-03-01
WO2020002999A2 (en) 2020-01-02
ZA202100465B (en) 2023-07-26
CA3105155A1 (en) 2020-01-02
BR112020026424A2 (pt) 2021-03-23
US10808096B2 (en) 2020-10-20
KR20210024100A (ko) 2021-03-04
WO2020002999A3 (en) 2020-03-05
UY38276A (es) 2019-12-31
MX2020014244A (es) 2021-03-09
US20230125080A1 (en) 2023-04-27
TN2020000250A1 (en) 2022-07-01
CN112638859A (zh) 2021-04-09
MA52103A1 (fr) 2021-11-30
TW202000635A (zh) 2020-01-01
PH12020552259A1 (en) 2021-08-16
EP3810568A4 (en) 2022-04-13
US11401398B2 (en) 2022-08-02
US20190390035A1 (en) 2019-12-26
EP3810568A2 (en) 2021-04-28

Similar Documents

Publication Publication Date Title
EA202190121A1 (ru) Получение сложных эфиров терефталевой кислоты
EA202090520A1 (ru) Получение сложных эфиров терефталевой кислоты
EA201890164A1 (ru) Деполимеризация полиэтилентерефталата
ES2693321T3 (es) Péptidos antiinflamatorios y composición que comprende los mismos
EA201791428A1 (ru) Иммуномодуляция
BR112017006736A2 (pt) anticorpos antimiostatina, polipeptídeos contendo regiões fc variantes, e métodos de utilização
EA201591846A1 (ru) Обработка биомассы
CL2021002420A1 (es) Proceso para despolimerizar tereftalato de polietileno (pet)
EA201691754A1 (ru) Рекомбинантный микроорганизм, экспрессирующий аналог авермектина, и его применение
BR112015022618A2 (pt) processo para a preparação de ácido levulínico
EA201890710A1 (ru) Способ очистки гидролизата биомассы
CY1123219T1 (el) Βελτιωμενα αντισωματα αλφα v βητα 8
ES2848325R1 (es) Metodo de produccion de acido dicarboxilico usando cocatalizador de cerio
ITTO20130882A1 (it) Idrolisi di biomassa lignocellulosica senza enzimi o catalizzatori acidi
TR201904928T4 (tr) Tereftalik asit diesterlerin resirküle alkol dehidratasyonu ile üretimi için yöntem.
BR112015030129A2 (pt) ésteres sulfatados de ácido oligohidróxi carboxílico e seu uso
DE112015001907A5 (de) Katalysatoranordnung mit optimiertem Lückengrad zur Herstellung von Phthalsäureanhydrid
CU20170036A7 (es) Mezclas que comprenden una pluralidad de polipéptidos con actividad degradante de biomasa y métodos para producir las mismas
PL408500A1 (pl) Sposób recyklingu odpadów politereftalanu etylenu PET
EA202090191A1 (ru) Способ получения сложных полиэфиров с использованием добавки
EA201792369A1 (ru) Способ извлечения диалкилсукцината или диалкилмалеата
BR112015025785A2 (pt) produto alimentício aerado estável e processo para preparar o mesmo
BR112020006712A2 (pt) Ésteres inovadores de ácido polilático e composições dos mesmos
TH1801000764A (th) การกำจัดน้ำแบบเร่งปฏิกิริยาของกรดไฮดรอกซีโพรพิโอนิกและอนุพันธ์ของสิ่งนี้ (catalytic dehydration of hydroxypropionic acid and its derivatives)
TH159827B (th) สิ่งมีชีวิตขนาดเล็กสายผสม สำหรับการผลิตกรดชนิดอินทรีย์