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ITBO950017A0 - Processo per la preparazione di bis (2-idrossietil) teraftalato - Google Patents

Processo per la preparazione di bis (2-idrossietil) teraftalato

Info

Publication number
ITBO950017A0
ITBO950017A0 ITBO950017A ITBO950017A ITBO950017A0 IT BO950017 A0 ITBO950017 A0 IT BO950017A0 IT BO950017 A ITBO950017 A IT BO950017A IT BO950017 A ITBO950017 A IT BO950017A IT BO950017 A0 ITBO950017 A0 IT BO950017A0
Authority
IT
Italy
Prior art keywords
teraphthalate
hydroxyethyl
bis
preparation
Prior art date
Application number
ITBO950017A
Other languages
English (en)
Inventor
Francesco Pilati
Maurizio Toselli
Original Assignee
Francesco Pilati
Maurizio Toselli
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 Francesco Pilati, Maurizio Toselli filed Critical Francesco Pilati
Priority to IT95BO000017A priority Critical patent/IT1278166B1/it
Publication of ITBO950017A0 publication Critical patent/ITBO950017A0/it
Priority to EP96830027A priority patent/EP0723951A1/en
Publication of ITBO950017A1 publication Critical patent/ITBO950017A1/it
Application granted granted Critical
Publication of IT1278166B1 publication Critical patent/IT1278166B1/it

Links

Classifications

    • 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
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT95BO000017A 1995-01-24 1995-01-24 Processo per la preparazione di bis (2-idrossietil) teraftalato IT1278166B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT95BO000017A IT1278166B1 (it) 1995-01-24 1995-01-24 Processo per la preparazione di bis (2-idrossietil) teraftalato
EP96830027A EP0723951A1 (en) 1995-01-24 1996-01-24 Process to prepare bis (2-hydroxyethyl) terephthalate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95BO000017A IT1278166B1 (it) 1995-01-24 1995-01-24 Processo per la preparazione di bis (2-idrossietil) teraftalato

Publications (3)

Publication Number Publication Date
ITBO950017A0 true ITBO950017A0 (it) 1995-01-24
ITBO950017A1 ITBO950017A1 (it) 1996-07-24
IT1278166B1 IT1278166B1 (it) 1997-11-17

Family

ID=11340218

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95BO000017A IT1278166B1 (it) 1995-01-24 1995-01-24 Processo per la preparazione di bis (2-idrossietil) teraftalato

Country Status (2)

Country Link
EP (1) EP0723951A1 (it)
IT (1) IT1278166B1 (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643479B4 (de) * 1996-10-22 2006-04-20 Zimmer Ag Verfahren zur Herstellung von Polyethylenterephthalat aus Polyethylenterephthalat-Abfall
DE19836339B4 (de) 1998-08-11 2011-12-22 N.V. Nutricia Kohlenhydratmischung
DE60028342T2 (de) * 1999-10-19 2007-05-24 Aies Co., Ltd. Verfahren zur polymerisation von deionisiertem bis-beta-hydroxyethylterephthalat
TR200201101T2 (tr) * 1999-10-22 2004-11-22 Teijin Limited Polyester atıktan dimetil terefitalat, etilen glikolün ayrıştırılması için yöntem
EP1306364A4 (en) * 2000-07-31 2004-03-31 Aies Co Ltd BIS-BETA-HYDROXYETHYLE TEREPHTHALATE
EP1597978A1 (en) 2004-05-17 2005-11-23 Nutricia N.V. Synergism of GOS and polyfructose
US8541477B2 (en) 2011-03-04 2013-09-24 International Business Machines Corporation Methods of depolymerizing terephthalate polyesters
FR3030541B1 (fr) * 2014-12-19 2017-02-03 Ifp Energies Now Procede de glycolyse du poly(terephtalate d'ethylene) en deux etapes reactionnelles
CN105367415B (zh) * 2015-11-13 2018-02-13 航天资源循环科技有限公司 一种废旧pet材料化学法回收循环再利用系统
CN105367425A (zh) * 2015-11-13 2016-03-02 航天资源循环科技有限公司 一种废旧pet材料化学法制取bhet单体提纯系统
CN105461551A (zh) * 2015-11-13 2016-04-06 航天资源循环科技有限公司 一种废旧pet材料化学法制取bhet系统
CN107603435B (zh) * 2017-09-14 2020-03-24 陕西理工大学 一种废旧pet制备树脂基复合材料弹性涂料的工艺方法
FR3092324B1 (fr) * 2019-02-01 2021-04-23 Ifp Energies Now Procédé de production d’un polyester téréphtalate intégrant un procédé de dépolymérisation
GB2586249B (en) * 2019-08-13 2021-09-22 Poseidon Plastics Ltd Polymer recycling
NL2023681B1 (en) * 2019-08-21 2021-04-13 Ioniqa Tech B V Method and reactor system for depolymerising a terephthalate-containing polymer into reusable raw material
NL2023686B1 (en) * 2019-08-22 2021-04-13 Ioniqa Tech B V Composition of BHET and use thereof
KR20220079916A (ko) 2019-10-08 2022-06-14 이스트만 케미칼 컴파니 재활용된 콘텐츠를 갖는 결정화가능한 반응기 등급 수지를 위한 촉매 시스템
NL2024181B1 (en) * 2019-11-07 2021-07-20 Ioniqa Tech B V Reactor system and method of separating a first contaminant from a feed stream
IT201900025039A1 (it) 2019-12-20 2021-06-20 Garbo S R L Processo per purificare il bis(2-idrossietil)tereftalato.
KR102873612B1 (ko) * 2020-11-03 2025-10-17 에스케이케미칼 주식회사 비스-2-하이드록시에틸 테레프탈레이트의 고순도화 정제 방법 및 이를 포함하는 폴리에스테르 수지
KR102601626B1 (ko) 2020-11-18 2023-11-10 에스케이케미칼 주식회사 비스-2-하이드록시에틸 테레프탈레이트의 고순도화 정제 방법 및 이를 포함하는 폴리에스테르 수지
TWI895340B (zh) * 2021-01-29 2025-09-01 荷蘭商愛奧尼亞技術有限責任公司 用於將對苯二甲酸酯-聚合物解聚合為可重複使用的原料之方法及反應器系統
GB2604098B (en) * 2021-02-12 2025-02-19 Poseidon Plastics Ltd Polymerisation
GB2604331B (en) * 2021-02-12 2025-02-19 Poseidon Plastics Ltd Integrated process
GB2603791B (en) * 2021-02-12 2024-12-25 Poseidon Plastics Ltd Polymer recycling
WO2022180563A1 (en) 2021-02-24 2022-09-01 Garbo S.R.L. Process for producing bas(2-hydroxyethyl) terephthalate in liquid form by depolymerization of polyethylene terephthalate (pet)
WO2022243832A1 (en) * 2021-05-17 2022-11-24 Aquafil S.P.A. Process for depolymerizing polyethylene terephthalate by glycolysis
JP7786896B2 (ja) 2021-07-01 2025-12-16 月島機械株式会社 ビス－２－ヒドロキシエチルテレフタレートの結晶の製造方法
AU2022452476A1 (en) 2022-04-04 2024-11-21 Evonik Operations Gmbh Improved process for depolymerising polyethylene terephthalate
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
SE546095C2 (en) * 2022-05-12 2024-05-21 Rewin Textiles AB Process and reactor system for the glycolysis of polyethylene terephthalate (pet)
IT202200016851A1 (it) 2022-08-05 2024-02-05 Chempet Srl Processo per purificare bis(2-idrossietil)tereftalato ottenuto da depolimerizzazione di rifiuti contenenti polietilene tereftalato.
WO2024083323A1 (de) 2022-10-19 2024-04-25 Evonik Operations Gmbh Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat
KR20250092186A (ko) 2022-10-19 2025-06-23 에보닉 오퍼레이션스 게엠베하 폴리에틸렌 테레프탈레이트의 개선된 탈중합 방법
JP2025536141A (ja) 2022-10-19 2025-10-31 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を解重合するための改善された方法
US12401563B2 (en) 2023-01-08 2025-08-26 Keysight Technologies, Inc. Methods, systems, and computer readable media for detecting network service anomalies
WO2024156567A1 (en) 2023-01-23 2024-08-02 Evonik Operations Gmbh Process for depolymerization of polyalkylene terephthalates in an extruder
WO2024156563A1 (en) 2023-01-23 2024-08-02 Evonik Operations Gmbh Process for depolymerizing polyalkylene terephthalates in mixtures with lower-melting polyolefins
EP4655342A1 (en) 2023-01-23 2025-12-03 Evonik Operations GmbH Process for depolymerization of polyalkylene terephthalates in an extruder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052394B (de) * 1956-05-26 1959-03-12 Hoechst Ag Verfahren zur Herstellung von Terephthalsaeure-bis-aethylenglykolester durch Abbau vo
US3239556A (en) * 1962-11-28 1966-03-08 Du Pont Purification of hydroxyethyl terephthalate
NL301426A (it) * 1962-12-06

Also Published As

Publication number Publication date
IT1278166B1 (it) 1997-11-17
ITBO950017A1 (it) 1996-07-24
EP0723951A1 (en) 1996-07-31

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