ATE505510T1 - Ionische flüssigkeiten als lösungsmittel und verfahren zur depolymerisation von polyamiden - Google Patents
Ionische flüssigkeiten als lösungsmittel und verfahren zur depolymerisation von polyamidenInfo
- Publication number
- ATE505510T1 ATE505510T1 AT08776100T AT08776100T ATE505510T1 AT E505510 T1 ATE505510 T1 AT E505510T1 AT 08776100 T AT08776100 T AT 08776100T AT 08776100 T AT08776100 T AT 08776100T AT E505510 T1 ATE505510 T1 AT E505510T1
- Authority
- AT
- Austria
- Prior art keywords
- ionic liquids
- depolymerization
- polyamides
- solvents
- polymer
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000004952 Polyamide Substances 0.000 title abstract 2
- 239000002608 ionic liquid Substances 0.000 title abstract 2
- 229920002647 polyamide Polymers 0.000 title abstract 2
- 239000002904 solvent Substances 0.000 title 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 125000003368 amide group Chemical group 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000000926 separation method Methods 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
- C08J11/10—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/12—Preparation of lactams by depolymerising polyamides
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyamides (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95293007P | 2007-07-31 | 2007-07-31 | |
| PCT/GB2008/002605 WO2009016378A2 (en) | 2007-07-31 | 2008-07-31 | Ionic liquid solvents and a process for the depolymerization of polyamides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE505510T1 true ATE505510T1 (de) | 2011-04-15 |
Family
ID=40158565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08776100T ATE505510T1 (de) | 2007-07-31 | 2008-07-31 | Ionische flüssigkeiten als lösungsmittel und verfahren zur depolymerisation von polyamiden |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7772293B2 (de) |
| EP (1) | EP2173800B1 (de) |
| CN (1) | CN103298869A (de) |
| AT (1) | ATE505510T1 (de) |
| BR (1) | BRPI0813040A2 (de) |
| DE (1) | DE602008006195D1 (de) |
| WO (1) | WO2009016378A2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013018955A (ja) * | 2010-12-14 | 2013-01-31 | Sumitomo Chemical Co Ltd | メタクリル樹脂含有液状組成物およびモノマー回収方法 |
| US9303134B2 (en) | 2011-11-22 | 2016-04-05 | Ecosight, Llc | Recycling of solid waste in ionic liquid media |
| CN106432796A (zh) * | 2016-08-08 | 2017-02-22 | 桂林市春晓环保科技有限公司 | 一种废旧交联聚酰胺的回收工艺 |
| US10611892B2 (en) | 2017-04-07 | 2020-04-07 | The Boeing Company | Carbon fiber recovery compositions and methods |
| US12528929B2 (en) | 2020-02-25 | 2026-01-20 | Council Of Scientific And Industrial Research An Indian Resgistered Body Incorporated Under The Regn. Of Soc. Act (Act Xxi Of 1860) | Depolymerization of polymers with ester, ether and carbonate linkages using acidic ionic liquid (AIL) catalyst |
| CN119819695A (zh) * | 2025-01-13 | 2025-04-15 | 东华理工大学 | 一种离子液体催化降解聚酰亚胺的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7888412B2 (en) * | 2004-03-26 | 2011-02-15 | Board Of Trustees Of The University Of Alabama | Polymer dissolution and blend formation in ionic liquids |
| JP2006176713A (ja) * | 2004-12-24 | 2006-07-06 | Kri Inc | 微粒子 |
| GB0500028D0 (en) * | 2005-01-04 | 2005-02-09 | Univ Belfast | Base stable ionic liquids |
| GB0500029D0 (en) * | 2005-01-04 | 2005-02-09 | Univ Belfast | Basic ionic liquids |
| US7550520B2 (en) * | 2005-05-31 | 2009-06-23 | The University Of Alabama | Method of preparing high orientation nanoparticle-containing sheets or films using ionic liquids, and the sheets or films produced thereby |
| JP4932507B2 (ja) * | 2006-03-31 | 2012-05-16 | 国立大学法人山口大学 | 合成樹脂の解重合方法及び合成樹脂のモノマーの製造方法 |
-
2008
- 2008-07-30 US US12/182,396 patent/US7772293B2/en not_active Expired - Fee Related
- 2008-07-31 DE DE200860006195 patent/DE602008006195D1/de active Active
- 2008-07-31 AT AT08776100T patent/ATE505510T1/de not_active IP Right Cessation
- 2008-07-31 EP EP20080776100 patent/EP2173800B1/de not_active Not-in-force
- 2008-07-31 WO PCT/GB2008/002605 patent/WO2009016378A2/en not_active Ceased
- 2008-07-31 BR BRPI0813040 patent/BRPI0813040A2/pt not_active IP Right Cessation
- 2008-07-31 CN CN200880101336XA patent/CN103298869A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US7772293B2 (en) | 2010-08-10 |
| DE602008006195D1 (de) | 2011-05-26 |
| EP2173800A2 (de) | 2010-04-14 |
| CN103298869A (zh) | 2013-09-11 |
| WO2009016378A3 (en) | 2009-04-09 |
| EP2173800B1 (de) | 2011-04-13 |
| BRPI0813040A2 (pt) | 2014-12-16 |
| US20090036602A1 (en) | 2009-02-05 |
| WO2009016378A2 (en) | 2009-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |