ATE222274T1 - Verfahren zum entfernen von verunreinigungen aus polyestern und der kontrolle des molekulargewichtes - Google Patents
Verfahren zum entfernen von verunreinigungen aus polyestern und der kontrolle des molekulargewichtesInfo
- Publication number
- ATE222274T1 ATE222274T1 AT98912027T AT98912027T ATE222274T1 AT E222274 T1 ATE222274 T1 AT E222274T1 AT 98912027 T AT98912027 T AT 98912027T AT 98912027 T AT98912027 T AT 98912027T AT E222274 T1 ATE222274 T1 AT E222274T1
- Authority
- AT
- Austria
- Prior art keywords
- polyesters
- impurities
- removal
- molecular weight
- weight control
- Prior art date
Links
- 229920000728 polyester Polymers 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000012535 impurity Substances 0.000 title 1
- 238000004260 weight control Methods 0.000 title 1
- 239000000356 contaminant Substances 0.000 abstract 3
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
Classifications
-
- 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
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/88—Post-polymerisation treatment
- C08G63/90—Purification; Drying
-
- 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
- C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyesters Or Polycarbonates (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/832,565 US6103774A (en) | 1997-04-02 | 1997-04-02 | Process for removing contaminants from polyesters and controlling polymer molecular weight |
| PCT/US1998/005837 WO1998044029A1 (en) | 1997-04-02 | 1998-03-25 | Process for removing contaminants from polyesters and controlling polymer molecular weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE222274T1 true ATE222274T1 (de) | 2002-08-15 |
Family
ID=25262039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98912027T ATE222274T1 (de) | 1997-04-02 | 1998-03-25 | Verfahren zum entfernen von verunreinigungen aus polyestern und der kontrolle des molekulargewichtes |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6103774A (de) |
| EP (1) | EP0973826B1 (de) |
| JP (1) | JP3435572B2 (de) |
| AT (1) | ATE222274T1 (de) |
| AU (1) | AU728038B2 (de) |
| BR (1) | BR9808113A (de) |
| DE (1) | DE69807201T2 (de) |
| WO (1) | WO1998044029A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19953659A1 (de) * | 1999-11-08 | 2001-05-10 | Buehler Ag | Verfahren und Vorrichtung zur Dekontamination von Polykondensaten |
| GB2394225A (en) * | 2002-10-16 | 2004-04-21 | Colormatrix Europe Ltd | Polymer colourant additive composition |
| DE10348145A1 (de) * | 2003-10-13 | 2005-05-19 | Krones Ag | Kunststoffwiederaufbereitung mit steuerbarer Dekontamination |
| US20070004832A1 (en) * | 2003-10-15 | 2007-01-04 | Polyone Corporation | Use of tocopherol to scavenge acetaldehyde in polyethylene terephthalate containers |
| DE102006023354B4 (de) * | 2006-05-17 | 2015-12-03 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Wiederverwertung von Polyestermaterial |
| US8293444B2 (en) | 2009-06-24 | 2012-10-23 | Xerox Corporation | Purified polyester resins for toner performance improvement |
| RU2012103457A (ru) * | 2009-07-02 | 2013-08-10 | БЕПЕКС ИНТЕРНЭШНЛ, ЭлЭлСи | Устройство и способ для парофазной переработки бывших в употреблении полимеров |
| DE102012220785A1 (de) * | 2012-11-14 | 2014-05-15 | Krones Ag | Verfahren und Vorrichtung zum Entfernen von Fremdstoffen aus Polymeren |
| CH713339A1 (de) | 2017-01-03 | 2018-07-13 | Alpla Werke Alwin Lehner Gmbh & Co Kg | PET-Regranulat mit hoher intrinsischer Viskosität und Verfahren zu dessen Herstellung. |
| WO2020149798A1 (en) * | 2019-01-15 | 2020-07-23 | Köksan Pet Ve Plasti̇k Ambalaj Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Chemical glycolysis method in which transparent pet wastes are recycled to be used in bottle-grade pet resin production |
| ES2835344B2 (es) * | 2019-12-20 | 2022-03-10 | Univ Alicante | Procedimiento para la descontaminacion de plastico reciclado |
| ES2987868T3 (es) | 2022-09-20 | 2024-11-18 | Revalyu Resources Gmbh | Proceso para reciclar tereftalato de polietileno utilizando material filtrante de partículas porosas |
| EP4342946B1 (de) | 2022-09-20 | 2024-07-17 | revalyu Resources GmbH | Verfahren zur wiederverwertung von polyethylenterephthalat unter verwendung eines waschreaktors |
| ES2987865T3 (es) | 2022-09-20 | 2024-11-18 | Revalyu Resources Gmbh | Proceso para reciclar tereftalato de polietileno utilizando coordenadas de color específicas para el procesamiento de oligómeros |
| EP4342943B1 (de) | 2022-09-20 | 2024-07-17 | revalyu Resources GmbH | Verfahren zur wiederverwertung von polyethylenterephthalat unter verwendung eines ausgewählten ausgangsmaterials |
| ES2987870T3 (es) | 2022-09-20 | 2024-11-18 | Revalyu Resources Gmbh | Proceso para reciclar tereftalato de polietileno utilizando un gradiente de concentración de impurezas |
| EP4342945B1 (de) | 2022-09-20 | 2024-07-17 | revalyu Resources GmbH | Verfahren zur wiederverwendung von polyethylenterephthalat unter verwendung verschiedener mengen an monoethylenglykol |
| EP4342942B1 (de) | 2022-09-20 | 2024-07-10 | revalyu Resources GmbH | Verfahren zur wiederverwertung von polyethylenterephthalat, bestimmt durch intrinsische viskosität von polyethylenterephthalat |
| ES2987897T3 (es) | 2022-09-20 | 2024-11-18 | Revalyu Resources Gmbh | Proceso para reciclar tereftalato de polietileno utilizando un intervalo de temperatura seleccionado para elprocesamiento de oligómeros |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1563765A (de) * | 1967-12-29 | 1969-04-18 | ||
| US3767601A (en) * | 1971-09-01 | 1973-10-23 | Du Pont | Solid phase polymerization of waste polyethylene terephthalate |
| US3804811A (en) * | 1972-04-12 | 1974-04-16 | Horizons Inc | Shaped articles from reconstituted polyester |
| US3928253A (en) * | 1972-05-10 | 1975-12-23 | Horizons Inc | Process for recovery of clean polyester materials |
| CH587875A5 (de) * | 1973-01-26 | 1977-05-13 | Inventa Ag | |
| US4118582A (en) * | 1975-10-28 | 1978-10-03 | E. I. Du Pont De Nemours And Company | Purification of spent ethylene glycol |
| EP0032163B1 (de) * | 1979-12-21 | 1986-01-08 | Hüls Aktiengesellschaft | Verfahren zum Regenerieren und Aufarbeiten von inaktivem linearen Poly(alkylenterephthalat) |
| IT1211471B (it) * | 1987-07-24 | 1989-11-03 | Cobarr Spa | Procedimento per la riduzione di impurezze di resine poliesteri |
| US5049647A (en) * | 1988-12-27 | 1991-09-17 | Cobarr S.P.A. | Method for the reduction of impurities in polyester resins |
| ATE107326T1 (de) * | 1988-12-27 | 1994-07-15 | Cobarr Spa | Verfahren zur wiederverwendung von pet- getränkeflaschen. |
| US5602187A (en) * | 1992-05-18 | 1997-02-11 | Swig Pty Ltd. | Polyethylene terephthalate decontamination |
| US5298530A (en) * | 1992-11-25 | 1994-03-29 | Eastman Kodak Company | Process of recovering components from scrap polyester |
| US5393871A (en) * | 1993-01-04 | 1995-02-28 | Eastman Chemical Company | Production of polyesters and polyester articles having good clarity |
| US5393863A (en) * | 1993-01-04 | 1995-02-28 | Eastman Chemicali Company | Production of branched polyesters |
| US5380793A (en) * | 1993-07-13 | 1995-01-10 | Ashland Oil, Inc. | Styrene soluble unsatured polyester resin from polyethylene terephthalate |
| US5580905A (en) * | 1994-04-28 | 1996-12-03 | United Resource Recovery Corporation | Process for recycling polyesters |
| US5395858A (en) * | 1994-04-28 | 1995-03-07 | Partek, Inc. | Process for recycling polyester |
| TW328542B (en) * | 1995-02-09 | 1998-03-21 | Eastman Chem Co | Process for recycling polyesters |
| US5532335A (en) * | 1995-04-26 | 1996-07-02 | Hosokawa Bepex Corporation | Method for thermally processing polyester pellets |
| US5554657A (en) * | 1995-05-08 | 1996-09-10 | Shell Oil Company | Process for recycling mixed polymer containing polyethylene terephthalate |
| US5770778A (en) * | 1995-07-28 | 1998-06-23 | Eastman Kodak Company | Purification of ethylene glycol recovered from polyester resins |
| US5672780A (en) * | 1995-08-11 | 1997-09-30 | Eastman Kodak Company | Purification of ethylene glycol recovered from polyester resins |
| US5576456A (en) * | 1996-01-22 | 1996-11-19 | Eastman Kodak Company | Recovery of components from polyester resins |
| US5635584A (en) * | 1995-12-07 | 1997-06-03 | Eastman Chemical Company | Process including glycolysis and subsequent purification for recycling polyester materials |
-
1997
- 1997-04-02 US US08/832,565 patent/US6103774A/en not_active Expired - Lifetime
-
1998
- 1998-03-25 AT AT98912027T patent/ATE222274T1/de active
- 1998-03-25 AU AU65840/98A patent/AU728038B2/en not_active Expired
- 1998-03-25 JP JP54176098A patent/JP3435572B2/ja not_active Expired - Fee Related
- 1998-03-25 EP EP19980912027 patent/EP0973826B1/de not_active Expired - Lifetime
- 1998-03-25 DE DE69807201T patent/DE69807201T2/de not_active Expired - Lifetime
- 1998-03-25 BR BR9808113A patent/BR9808113A/pt not_active IP Right Cessation
- 1998-03-25 WO PCT/US1998/005837 patent/WO1998044029A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US6103774A (en) | 2000-08-15 |
| JP3435572B2 (ja) | 2003-08-11 |
| EP0973826B1 (de) | 2002-08-14 |
| WO1998044029A1 (en) | 1998-10-08 |
| BR9808113A (pt) | 2000-03-08 |
| JP2001518945A (ja) | 2001-10-16 |
| AU728038B2 (en) | 2001-01-04 |
| DE69807201D1 (de) | 2002-09-19 |
| AU6584098A (en) | 1998-10-22 |
| DE69807201T2 (de) | 2003-05-28 |
| EP0973826A1 (de) | 2000-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
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