SG11202110196PA - Process for the depolymerization of polyethylene terephthalate (pet) - Google Patents
Process for the depolymerization of polyethylene terephthalate (pet)Info
- Publication number
- SG11202110196PA SG11202110196PA SG11202110196PA SG11202110196PA SG11202110196PA SG 11202110196P A SG11202110196P A SG 11202110196PA SG 11202110196P A SG11202110196P A SG 11202110196PA SG 11202110196P A SG11202110196P A SG 11202110196PA SG 11202110196P A SG11202110196P A SG 11202110196PA
- Authority
- SG
- Singapore
- Prior art keywords
- depolymerization
- pet
- polyethylene terephthalate
- terephthalate
- polyethylene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/128—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis
- C07C29/1285—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis of esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
-
- 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
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- 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
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962821270P | 2019-03-20 | 2019-03-20 | |
| PCT/IB2020/000216 WO2020188359A1 (en) | 2019-03-20 | 2020-03-18 | Process for the depolymerization of polyethylene terephthalate (pet) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202110196PA true SG11202110196PA (en) | 2021-10-28 |
Family
ID=72516343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202110196PA SG11202110196PA (en) | 2019-03-20 | 2020-03-18 | Process for the depolymerization of polyethylene terephthalate (pet) |
Country Status (20)
| Country | Link |
|---|---|
| US (3) | US11248103B2 (en) |
| EP (1) | EP3941896B1 (en) |
| JP (1) | JP7583733B2 (en) |
| KR (1) | KR20210144770A (en) |
| CN (1) | CN113874346B (en) |
| AR (1) | AR118456A1 (en) |
| AU (1) | AU2020242332A1 (en) |
| CA (1) | CA3133591A1 (en) |
| CL (1) | CL2021002420A1 (en) |
| CO (1) | CO2021013923A2 (en) |
| ES (1) | ES2984887T3 (en) |
| IL (1) | IL286490A (en) |
| MA (1) | MA55377A (en) |
| MX (1) | MX2021011353A (en) |
| PE (1) | PE20220282A1 (en) |
| PH (1) | PH12021552280A1 (en) |
| SG (1) | SG11202110196PA (en) |
| UY (1) | UY38615A (en) |
| WO (1) | WO2020188359A1 (en) |
| ZA (1) | ZA202106872B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12071519B2 (en) | 2017-09-15 | 2024-08-27 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| WO2020002999A2 (en) | 2018-06-25 | 2020-01-02 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
| FR3116532B1 (en) | 2020-11-24 | 2022-10-28 | Recycelit | IMPROVED PROCESS FOR RECYCLING PET BY METHANOLYSIS |
| WO2023194442A1 (en) * | 2022-04-06 | 2023-10-12 | Recyc'elit | Method for room temperature depolymerization of terephthalic polyesters to terephthalate esters |
| FR3134392A1 (en) * | 2022-04-06 | 2023-10-13 | Recyc'elit | PROCESS FOR DEPOLYMERIZATION OF PET INTO TEREPHTHALATE ESTER AND MONOETHYLENE GLYCOL AT ROOM TEMPERATURE |
| KR102602497B1 (en) | 2023-05-08 | 2023-11-14 | 강병환 | Cryogenic freeze-shredding system of wasted plastics by lng cold energy |
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| BE617696A (en) | 1961-05-16 | |||
| GB1143897A (en) | 1967-02-17 | 1969-02-26 | Metallgesellschaft Ag | A process for preparing alkali metal alcoholates and phenolates |
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| FR2335490A1 (en) | 1975-12-16 | 1977-07-15 | Rhone Poulenc Textile | Dimethyl terephthalate prepn. from polyester waste - by diolysis and methanolysis using magnesium methylate catalyst in anhydrous methanol |
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| US4355175A (en) | 1981-04-06 | 1982-10-19 | Pusztaszeri Stephen F | Method for recovery of terephthalic acid from polyester scrap |
| US4525307A (en) | 1983-08-02 | 1985-06-25 | Joseph Ayers, Inc. | Modified aluminum tri-alkoxide compounds |
| US5045122A (en) | 1989-12-14 | 1991-09-03 | Eastman Kodak Company | Ester hydrolysis and depolymerization of polyester and polycarbonate polymers |
| US5051528A (en) | 1990-04-24 | 1991-09-24 | Eastman Kodak Company | Recovery process for ethylene glycol and dimethylterephthalate |
| JPH0488745A (en) | 1990-07-31 | 1992-03-23 | Toshiba Corp | Picture reader |
| US5236959A (en) | 1992-03-12 | 1993-08-17 | Hoechst Celanese Corporation | Process for recycling polyester/cotton blends |
| US5328982A (en) | 1992-11-02 | 1994-07-12 | Eastman Chemical Company | Depolymerization of substantially amorphous polyesters |
| US5386055A (en) | 1993-08-11 | 1995-01-31 | The University Of Akron | Depolymerization process |
| AUPM499394A0 (en) | 1994-04-11 | 1994-05-05 | Petwest Pty Ltd | Improved polyethylene terephthalate decontamination |
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| CN105601507A (en) | 2016-01-07 | 2016-05-25 | 中国地质大学（北京） | Method for catalytically degrading polyester waste textile with sodium hydroxide at low temperature |
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| EP3363852A1 (en) | 2017-02-20 | 2018-08-22 | Swerea IVF AB | Polyester textile waste recycling |
| US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| WO2020002999A2 (en) * | 2018-06-25 | 2020-01-02 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| US11554366B2 (en) * | 2019-03-20 | 2023-01-17 | 9449710 Canada Inc. | Process for recovering and reusing depolymerization catalyst |
| US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
-
2020
- 2020-03-17 US US16/821,870 patent/US11248103B2/en active Active
- 2020-03-18 MA MA055377A patent/MA55377A/en unknown
- 2020-03-18 KR KR1020217033622A patent/KR20210144770A/en active Pending
- 2020-03-18 EP EP20773250.4A patent/EP3941896B1/en active Active
- 2020-03-18 PE PE2021001533A patent/PE20220282A1/en unknown
- 2020-03-18 UY UY0001038615A patent/UY38615A/en unknown
- 2020-03-18 JP JP2021555542A patent/JP7583733B2/en active Active
- 2020-03-18 AU AU2020242332A patent/AU2020242332A1/en active Pending
- 2020-03-18 SG SG11202110196PA patent/SG11202110196PA/en unknown
- 2020-03-18 ES ES20773250T patent/ES2984887T3/en active Active
- 2020-03-18 WO PCT/IB2020/000216 patent/WO2020188359A1/en active Application Filing
- 2020-03-18 CN CN202080037798.0A patent/CN113874346B/en active Active
- 2020-03-18 MX MX2021011353A patent/MX2021011353A/en unknown
- 2020-03-18 PH PH1/2021/552280A patent/PH12021552280A1/en unknown
- 2020-03-18 CA CA3133591A patent/CA3133591A1/en active Pending
- 2020-03-19 AR ARP200100787A patent/AR118456A1/en active IP Right Grant
-
2021
- 2021-09-16 CL CL2021002420A patent/CL2021002420A1/en unknown
- 2021-09-17 ZA ZA2021/06872A patent/ZA202106872B/en unknown
- 2021-09-19 IL IL286490A patent/IL286490A/en unknown
- 2021-10-15 CO CONC2021/0013923A patent/CO2021013923A2/en unknown
- 2021-11-18 US US17/529,643 patent/US11795291B2/en active Active
-
2023
- 2023-09-05 US US18/461,443 patent/US20240309170A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IL286490A (en) | 2021-10-31 |
| CL2021002420A1 (en) | 2022-06-10 |
| CN113874346B (en) | 2024-12-13 |
| CO2021013923A2 (en) | 2021-10-29 |
| AU2020242332A1 (en) | 2021-11-04 |
| BR112021018708A2 (en) | 2021-11-23 |
| MA55377A (en) | 2022-01-26 |
| ZA202106872B (en) | 2023-02-22 |
| US20200299481A1 (en) | 2020-09-24 |
| US11248103B2 (en) | 2022-02-15 |
| TW202039668A (en) | 2020-11-01 |
| MX2021011353A (en) | 2021-12-10 |
| EP3941896B1 (en) | 2024-05-15 |
| US11795291B2 (en) | 2023-10-24 |
| JP7583733B2 (en) | 2024-11-14 |
| JP2022550228A (en) | 2022-12-01 |
| CN113874346A (en) | 2021-12-31 |
| AR118456A1 (en) | 2021-10-06 |
| KR20210144770A (en) | 2021-11-30 |
| UY38615A (en) | 2020-08-31 |
| ES2984887T3 (en) | 2024-10-31 |
| US20220135761A1 (en) | 2022-05-05 |
| PH12021552280A1 (en) | 2022-09-05 |
| WO2020188359A1 (en) | 2020-09-24 |
| WO2020188359A8 (en) | 2020-12-17 |
| CA3133591A1 (en) | 2020-09-24 |
| US20240309170A1 (en) | 2024-09-19 |
| EP3941896A1 (en) | 2022-01-26 |
| PE20220282A1 (en) | 2022-02-25 |
| EP3941896A4 (en) | 2022-12-28 |
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