JPWO2023074437A1 - - Google Patents
Info
- Publication number
- JPWO2023074437A1 JPWO2023074437A1 JP2022569545A JP2022569545A JPWO2023074437A1 JP WO2023074437 A1 JPWO2023074437 A1 JP WO2023074437A1 JP 2022569545 A JP2022569545 A JP 2022569545A JP 2022569545 A JP2022569545 A JP 2022569545A JP WO2023074437 A1 JPWO2023074437 A1 JP WO2023074437A1
- Authority
- JP
- Japan
- 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
-
- 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
- C08J11/14—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 steam or water
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
-
- 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
- C08J11/28—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 compounds containing nitrogen, sulfur or phosphorus
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyamides (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021178292 | 2021-10-29 | ||
| PCT/JP2022/038586 WO2023074437A1 (ja) | 2021-10-29 | 2022-10-17 | ε－カプロラクタムおよびポリアミド６オリゴマーの回収方法、ならびにポリアミド６の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023074437A1 true JPWO2023074437A1 (https=) | 2023-05-04 |
| JPWO2023074437A5 JPWO2023074437A5 (https=) | 2025-09-18 |
Family
ID=86157749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022569545A Pending JPWO2023074437A1 (https=) | 2021-10-29 | 2022-10-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20250257037A1 (https=) |
| EP (1) | EP4424748A4 (https=) |
| JP (1) | JPWO2023074437A1 (https=) |
| KR (1) | KR20240100346A (https=) |
| CN (1) | CN117940485A (https=) |
| TW (1) | TW202336112A (https=) |
| WO (1) | WO2023074437A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2024286546A1 (en) * | 2023-06-06 | 2025-12-18 | Basf Se | Process for hydrolytically depolymerizing a polyamide |
| WO2025234419A1 (ja) * | 2024-05-08 | 2025-11-13 | 国立大学法人大阪大学 | ポリアミド化合物の解重合用触媒及びそれを用いたポリアミド化合物の解重合方法 |
| CN119613281A (zh) * | 2024-12-06 | 2025-03-14 | 东华大学 | 一种含酰胺基聚合物的解聚再生方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4624035B1 (https=) * | 1967-03-10 | 1971-07-09 | ||
| DE4407222A1 (de) * | 1994-03-04 | 1995-09-07 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams |
| US5495015A (en) | 1994-12-12 | 1996-02-27 | Basf Aktiengesellschaft | Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam |
| US5455346B1 (en) | 1994-12-12 | 1999-02-09 | Basf Corp | Obtaining caprolactam by cleavage of molten polycaprolactam |
| JPH08217746A (ja) | 1995-02-09 | 1996-08-27 | Toray Ind Inc | ε−カプロラクタムの精製法 |
| JPH10287645A (ja) * | 1997-04-11 | 1998-10-27 | Unitika Ltd | 回収ε−カプロラクタム及びその精製法 |
| NL1006575C2 (nl) * | 1997-07-14 | 1999-01-15 | Dsm Nv | Depolymeriseren van polyamiden. |
| JP2000034363A (ja) * | 1998-07-21 | 2000-02-02 | Toray Ind Inc | ナイロン６製品類のリサイクル方法 |
| JP4182273B2 (ja) * | 2000-06-27 | 2008-11-19 | 住友化学株式会社 | ε−カプロラクタムの製造方法 |
| JP2011088943A (ja) * | 2009-10-20 | 2011-05-06 | Toray Ind Inc | ナイロン６製品のリサイクル方法 |
| CN102352034B (zh) * | 2011-07-22 | 2013-01-30 | 浙江华建尼龙有限公司 | 一种除去聚已内酰胺中环状低聚物的机械方法 |
| WO2018055555A1 (en) | 2016-09-22 | 2018-03-29 | Sabic Global Technologies, B.V. | An integrated process configuration involving the steps of pyrolysis, hydrocracking, hydrodealkylation and steam cracking |
-
2022
- 2022-10-17 EP EP22886765.1A patent/EP4424748A4/en active Pending
- 2022-10-17 KR KR1020247012160A patent/KR20240100346A/ko active Pending
- 2022-10-17 WO PCT/JP2022/038586 patent/WO2023074437A1/ja not_active Ceased
- 2022-10-17 CN CN202280062228.6A patent/CN117940485A/zh active Pending
- 2022-10-17 JP JP2022569545A patent/JPWO2023074437A1/ja active Pending
- 2022-10-17 US US18/701,346 patent/US20250257037A1/en active Pending
- 2022-10-24 TW TW111140198A patent/TW202336112A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TW202336112A (zh) | 2023-09-16 |
| EP4424748A4 (en) | 2026-02-11 |
| EP4424748A8 (en) | 2024-12-25 |
| WO2023074437A1 (ja) | 2023-05-04 |
| US20250257037A1 (en) | 2025-08-14 |
| EP4424748A1 (en) | 2024-09-04 |
| CN117940485A (zh) | 2024-04-26 |
| KR20240100346A (ko) | 2024-07-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20250909 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250909 |