DE69424168D1 - Herstellung von dicarbonsäuren - Google Patents
Herstellung von dicarbonsäurenInfo
- Publication number
- DE69424168D1 DE69424168D1 DE69424168T DE69424168T DE69424168D1 DE 69424168 D1 DE69424168 D1 DE 69424168D1 DE 69424168 T DE69424168 T DE 69424168T DE 69424168 T DE69424168 T DE 69424168T DE 69424168 D1 DE69424168 D1 DE 69424168D1
- Authority
- DE
- Germany
- Prior art keywords
- pct
- sec
- stages
- produce
- liquid phase
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000002253 acid Substances 0.000 title abstract 2
- 150000007513 acids Chemical class 0.000 title abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 239000007791 liquid phase Substances 0.000 abstract 2
- 239000002609 medium Substances 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 230000034659 glycolysis Effects 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000007790 solid phase Substances 0.000 abstract 1
Classifications
-
- 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
- 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)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939313896A GB9313896D0 (en) | 1993-07-05 | 1993-07-05 | Production of dicarboxylic acids or esters thereof |
GB939313892A GB9313892D0 (en) | 1993-07-05 | 1993-07-05 | Production of dicarboxylic acids |
PCT/GB1994/001410 WO1995001953A1 (en) | 1993-07-05 | 1994-06-29 | Production of dicarboxylic acids |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69424168D1 true DE69424168D1 (de) | 2000-05-31 |
DE69424168T2 DE69424168T2 (de) | 2001-02-08 |
Family
ID=26303186
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69416590T Expired - Fee Related DE69416590T2 (de) | 1993-07-05 | 1994-06-29 | Herstellung von dicarbonsäuren oder ihren estern |
DE69424168T Expired - Fee Related DE69424168T2 (de) | 1993-07-05 | 1994-06-29 | Herstellung von dicarbonsäuren |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69416590T Expired - Fee Related DE69416590T2 (de) | 1993-07-05 | 1994-06-29 | Herstellung von dicarbonsäuren oder ihren estern |
Country Status (9)
Country | Link |
---|---|
US (2) | US5750776A (de) |
EP (2) | EP0707562B1 (de) |
AT (2) | ATE192136T1 (de) |
AU (2) | AU683897B2 (de) |
BR (2) | BR9406885A (de) |
CA (2) | CA2165651A1 (de) |
DE (2) | DE69416590T2 (de) |
ES (1) | ES2129645T3 (de) |
WO (2) | WO1995001953A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6410607B1 (en) * | 1999-02-10 | 2002-06-25 | Eastman Chemical Company | Glycolysis process for recycling of post-consumer pet |
US6472557B1 (en) | 1999-02-10 | 2002-10-29 | Eastman Chemical Company | Process for recycling polyesters |
TWI239971B (en) * | 1999-10-19 | 2005-09-21 | Aies Co Ltd | Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate |
CA2411490A1 (en) * | 2000-07-27 | 2002-02-07 | E. I. Du Pont De Nemours And Company | Transformation of polymers to useful chemicals by oxidation |
WO2002010117A1 (fr) * | 2000-07-31 | 2002-02-07 | Aies Co., Ltd. | BIS-β-HYDROXYETHYLE TEREPHTHALATE |
EP1603861B1 (de) | 2003-02-27 | 2016-07-20 | AlphaPET Ltd. | Verfahren zur dekontaminierung von polyethylenterephthalat |
CZ299244B6 (cs) * | 2004-06-21 | 2008-05-28 | Zpusob bazické hydrolýzy odpadního polyethylentereftalátu a zarízení k provádení tohoto zpusobu | |
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 |
WO2012115984A2 (en) | 2011-02-21 | 2012-08-30 | Felice Kristopher M | Polyurethane dispersions and methods of making and using same |
CN103703086A (zh) | 2011-06-10 | 2014-04-02 | 克里斯托弗·M·费利斯 | 透明涂层,丙烯酸类涂层 |
CN103030564B (zh) * | 2011-10-09 | 2015-04-01 | 中国科学院过程工程研究所 | 一种多组分催化剂高效催化醇解聚对苯二甲酸乙二醇酯的方法 |
CN102731760B (zh) * | 2012-07-17 | 2014-03-26 | 龙福环能科技股份有限公司 | 一种将回收聚酯瓶片料熔体醇解后再聚合的方法 |
EP4180413A1 (de) | 2021-11-11 | 2023-05-17 | SHPP Global Technologies B.V. | Verfahren zur umwandlung von poly(ethylenterephthalat) in terephthalsäure |
WO2023183864A1 (en) * | 2022-03-24 | 2023-09-28 | Ineos Us Chemicals Company | Process and apparatus of production of aromatic dicarboxylic acid. |
US11958944B2 (en) | 2022-06-24 | 2024-04-16 | Hybridworks Chemical, Llc | Polyester-cotton blend textile recycling process and system with rotating hydrolysis reactor |
WO2024095104A1 (en) | 2022-11-02 | 2024-05-10 | Shpp Global Technologies B.V. | Method of converting poly(ethylene terephthalate) to terephthalic acid |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB822834A (en) * | 1957-01-11 | 1959-11-04 | Jaroslav Pitat | A method of processing waste of polyethylene terephthalate by hydrolysis |
DE1061772B (de) * | 1957-02-08 | 1959-07-23 | Rhodiaceta | Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten |
NL301426A (de) * | 1962-12-06 | |||
US3703488A (en) * | 1968-03-22 | 1972-11-21 | Goodyear Tire & Rubber | Process for reuse of polyester resin |
US3884850A (en) * | 1970-02-13 | 1975-05-20 | Fiber Industries Inc | Continuous atmospheric depolymerization of polyester |
DE2916197C2 (de) * | 1979-04-21 | 1982-01-28 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt |
DE2938163A1 (de) * | 1979-09-21 | 1981-04-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt |
US4605762A (en) * | 1982-04-23 | 1986-08-12 | Celanese Mexicana S.A. | Depolymerization of condensation polymers |
US4620032A (en) * | 1984-12-11 | 1986-10-28 | Celanese Corporation | Depolymerization of condensation polymers involving a pre-molecular weight reduction step |
US4578510A (en) * | 1984-12-11 | 1986-03-25 | Celanese Corporation | Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers |
US4578502A (en) * | 1985-01-22 | 1986-03-25 | Cudmore Warner J G | Polyethylene terephthalate saponification process |
US5095145A (en) * | 1990-11-05 | 1992-03-10 | Amoco Corporation | Preparation of purified terephthalic acid from waste polyethylene terephthalate |
US5237159A (en) * | 1991-07-17 | 1993-08-17 | J. D. Carreker And Associates | Electronic check presentment system |
GB9200176D0 (en) * | 1992-01-07 | 1992-02-26 | Ici Plc | Process for the production of terephthalic acid |
US5223544A (en) * | 1992-03-31 | 1993-06-29 | Shell Oil Company | Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream |
AU659021B2 (en) * | 1992-05-18 | 1995-05-04 | Alphapet Ltd | Improved poly ethylene terephthalate decontamination |
US5414113A (en) * | 1993-10-18 | 1995-05-09 | Amoco Corporation | Process for recovery of aromatic acid from waste polyester resin |
-
1994
- 1994-06-29 DE DE69416590T patent/DE69416590T2/de not_active Expired - Fee Related
- 1994-06-29 WO PCT/GB1994/001410 patent/WO1995001953A1/en active IP Right Grant
- 1994-06-29 WO PCT/GB1994/001411 patent/WO1995001954A1/en active IP Right Grant
- 1994-06-29 EP EP94918971A patent/EP0707562B1/de not_active Expired - Lifetime
- 1994-06-29 AT AT94918971T patent/ATE192136T1/de not_active IP Right Cessation
- 1994-06-29 AU AU70062/94A patent/AU683897B2/en not_active Ceased
- 1994-06-29 AT AT94918972T patent/ATE176780T1/de not_active IP Right Cessation
- 1994-06-29 CA CA002165651A patent/CA2165651A1/en not_active Abandoned
- 1994-06-29 BR BR9406885A patent/BR9406885A/pt not_active Application Discontinuation
- 1994-06-29 US US08/564,227 patent/US5750776A/en not_active Expired - Fee Related
- 1994-06-29 CA CA002165959A patent/CA2165959A1/en not_active Abandoned
- 1994-06-29 US US08/571,934 patent/US5886057A/en not_active Expired - Fee Related
- 1994-06-29 AU AU70061/94A patent/AU683896B2/en not_active Ceased
- 1994-06-29 ES ES94918972T patent/ES2129645T3/es not_active Expired - Lifetime
- 1994-06-29 EP EP94918972A patent/EP0707563B1/de not_active Expired - Lifetime
- 1994-06-29 BR BR9406886A patent/BR9406886A/pt not_active Application Discontinuation
- 1994-06-29 DE DE69424168T patent/DE69424168T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2129645T3 (es) | 1999-06-16 |
AU683897B2 (en) | 1997-11-27 |
BR9406885A (pt) | 1996-04-02 |
EP0707563B1 (de) | 1999-02-17 |
WO1995001953A1 (en) | 1995-01-19 |
DE69416590T2 (de) | 1999-08-26 |
DE69416590D1 (de) | 1999-03-25 |
US5886057A (en) | 1999-03-23 |
BR9406886A (pt) | 1996-04-02 |
EP0707562A1 (de) | 1996-04-24 |
CA2165651A1 (en) | 1995-01-19 |
EP0707563A1 (de) | 1996-04-24 |
AU7006194A (en) | 1995-02-06 |
ATE192136T1 (de) | 2000-05-15 |
CA2165959A1 (en) | 1995-01-19 |
ATE176780T1 (de) | 1999-03-15 |
EP0707562B1 (de) | 2000-04-26 |
WO1995001954A1 (en) | 1995-01-19 |
AU7006294A (en) | 1995-02-06 |
AU683896B2 (en) | 1997-11-27 |
US5750776A (en) | 1998-05-12 |
DE69424168T2 (de) | 2001-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DUPONT TEIJIN FILMS U.S., LTD. PARTNERSHIP, WILMIN |
|
8339 | Ceased/non-payment of the annual fee |