ITBO950017A0 - Processo per la preparazione di bis (2-idrossietil) teraftalato - Google Patents
Processo per la preparazione di bis (2-idrossietil) teraftalatoInfo
- 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
Links
- -1 2-HYDROXYETHYL Chemical class 0.000 title 1
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)
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 (28)
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 |
TWI239971B (en) * | 1999-10-19 | 2005-09-21 | Aies Co Ltd | Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate |
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. |
CA2419625A1 (en) * | 2000-07-31 | 2003-01-29 | Aies Co., Ltd. | Bis-.beta.-hydroxyethyl 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 |
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 |
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 |
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 |
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 |
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. |
KR102601626B1 (ko) | 2020-11-18 | 2023-11-10 | 에스케이케미칼 주식회사 | 비스-2-하이드록시에틸 테레프탈레이트의 고순도화 정제 방법 및 이를 포함하는 폴리에스테르 수지 |
GB2604331A (en) * | 2021-02-12 | 2022-09-07 | Poseidon Plastics Ltd | Integrated process |
GB2603791A (en) * | 2021-02-12 | 2022-08-17 | Poseidon Plastics Ltd | Polymer recycling |
GB2604098A (en) * | 2021-02-12 | 2022-08-31 | Poseidon Plastics Ltd | Polymerisation |
WO2023193942A1 (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 |
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) |
WO2024083324A1 (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 |
WO2024083323A1 (de) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat |
Family Cites Families (3)
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 |
-
1995
- 1995-01-24 IT IT95BO000017A patent/IT1278166B1/it active IP Right Grant
-
1996
- 1996-01-24 EP EP96830027A patent/EP0723951A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
IT1278166B1 (it) | 1997-11-17 |
EP0723951A1 (en) | 1996-07-31 |
ITBO950017A1 (it) | 1996-07-24 |
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