EP4766768A1 - Verfahren zur wiederverwertung von poly(ethylenterephthalat), insbesondere polyester-kleidungsabfällen - Google Patents
Verfahren zur wiederverwertung von poly(ethylenterephthalat), insbesondere polyester-kleidungsabfällenInfo
- Publication number
- EP4766768A1 EP4766768A1 EP24739691.4A EP24739691A EP4766768A1 EP 4766768 A1 EP4766768 A1 EP 4766768A1 EP 24739691 A EP24739691 A EP 24739691A EP 4766768 A1 EP4766768 A1 EP 4766768A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixture
- carried out
- terephthalic acid
- raw material
- amount
- 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.)
- Pending
Links
Classifications
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- 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
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- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL44535323 | 2023-06-26 | ||
| PCT/IB2024/055812 WO2025003817A1 (en) | 2023-06-26 | 2024-06-13 | Method for recycling of items comprising poly(ethylene terephthalate), particularly of polyester garments waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4766768A1 true EP4766768A1 (de) | 2026-07-01 |
Family
ID=91853290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24739691.4A Pending EP4766768A1 (de) | 2023-06-26 | 2024-06-13 | Verfahren zur wiederverwertung von poly(ethylenterephthalat), insbesondere polyester-kleidungsabfällen |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4766768A1 (de) |
| WO (1) | WO2025003817A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8702759A (nl) | 1987-11-19 | 1989-06-16 | Hoogovens Groep Bv | Werkwijze voor het vervaardigen van een micro-permeabel membraan en inrichting voor het aanbrengen van deze membraan op een drager. |
| JP3808672B2 (ja) * | 1999-11-26 | 2006-08-16 | 東洋製罐株式会社 | 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法 |
| PL228319B1 (pl) * | 2014-06-10 | 2018-03-30 | Rs Pet Spolka Z Ograniczona Odpowiedzialnoscia | Sposób recyklingu odpadów politereftalanu etylenu PET |
| PL239189B1 (pl) | 2017-12-04 | 2021-11-15 | Rs Pet Spolka Z Ograniczona Odpowiedzialnoscia | Sposób recyklingu odpadów PET z odzyskaniem z nich kwasu tereftalowego oraz glikolu etylenowego |
| FR3089983B1 (fr) * | 2018-12-18 | 2021-11-05 | Raouf Medimagh | Procédé de recyclage de déchets de plastiques PET |
| EP3875523A1 (de) | 2020-03-03 | 2021-09-08 | UAB Neo Group | Verfahren zum recycling von polyethylenterephthalat |
| US20240025085A1 (en) * | 2020-11-09 | 2024-01-25 | Washington State University | Conversion of co-mingled waste plastics to monomers and fuels in sequential catalytic process |
| TWI851923B (zh) * | 2021-09-13 | 2024-08-11 | 南亞塑膠工業股份有限公司 | 以回收聚酯織物製造再生聚酯粒的方法 |
-
2024
- 2024-06-13 EP EP24739691.4A patent/EP4766768A1/de active Pending
- 2024-06-13 WO PCT/IB2024/055812 patent/WO2025003817A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025003817A1 (en) | 2025-01-02 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20260424 |
|
| AK | Designated contracting states |
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