JPWO2023074437A5 - - Google Patents
Info
- Publication number
- JPWO2023074437A5 JPWO2023074437A5 JP2022569545A JP2022569545A JPWO2023074437A5 JP WO2023074437 A5 JPWO2023074437 A5 JP WO2023074437A5 JP 2022569545 A JP2022569545 A JP 2022569545A JP 2022569545 A JP2022569545 A JP 2022569545A JP WO2023074437 A5 JPWO2023074437 A5 JP WO2023074437A5
- Authority
- JP
- Japan
- Prior art keywords
- polyamide
- oligomer
- caprolactam
- recovering
- water
- 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
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 JPWO2023074437A1 (https=) | 2023-05-04 |
| JPWO2023074437A5 true 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
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2023074437A5 (https=) | ||
| JPWO2023074438A5 (https=) | ||
| JPWO2023074433A5 (https=) | ||
| US2615883A (en) | Production of lignin, cellulose, and pentosans | |
| JP5312591B2 (ja) | ジトリメチロールプロパンを単離する方法 | |
| JP7040875B2 (ja) | 二官能性ヒドロキシメチル基を有するフランモノマー及びその製造方法 | |
| RU2019141826A (ru) | Созревание 1,4-бис(4-феноксибензоил)бензола | |
| CN103897188A (zh) | 聚砜高分子材料工业化生产工艺 | |
| CN112574156A (zh) | 一种乙基麦芽酚升华后粗品反萃取提纯方法 | |
| CN103435507B (zh) | L-α-甲基-3，4-二羟基苯丙氨酸的制备方法 | |
| US2738367A (en) | Process for the production of levulinic acid | |
| JPS63284151A (ja) | 多核芳香族ポリアミンの製造方法 | |
| US2257389A (en) | Recovery of levulinic acid | |
| CN112154179A (zh) | 环氧反应性稀释剂及其制备方法 | |
| CN104876847A (zh) | 一种从甲基萘馏分中提取吲哚的方法 | |
| CN105218487A (zh) | 一种甲基丙烯酸缩水甘油酯的生产方法 | |
| CN105315155B (zh) | 制备聚乙醇酸低聚物的方法 | |
| JPWO2023074441A5 (https=) | ||
| CN114773264B (zh) | 橡胶防老剂tmq的制备装置及其制备方法 | |
| US3694171A (en) | Method for purifying cyclic phosphonitrilic chlorides | |
| CN117362215A (zh) | 一种从煤焦油洗油中提取吲哚的方法 | |
| JPWO2023074432A5 (https=) | ||
| CN110818548A (zh) | 一种制备苄叉丙酮的方法 | |
| CN103923300A (zh) | 一种低溴含量溴化环氧树脂的制备方法 | |
| CN103058964A (zh) | 一种以连续脱水法制取顺酐的方法 |