TWI349662B - - Google Patents
Info
- Publication number
- TWI349662B TWI349662B TW097122056A TW97122056A TWI349662B TW I349662 B TWI349662 B TW I349662B TW 097122056 A TW097122056 A TW 097122056A TW 97122056 A TW97122056 A TW 97122056A TW I349662 B TWI349662 B TW I349662B
- Authority
- TW
- Taiwan
Links
Classifications
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097122056A TW200951112A (en) | 2008-06-13 | 2008-06-13 | System of recycle caprolactam form rearrangement mixture and method thereof |
| US12/474,968 US8193348B2 (en) | 2008-06-13 | 2009-05-29 | System and method for recovering caprolactam from rearrangement mixtures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097122056A TW200951112A (en) | 2008-06-13 | 2008-06-13 | System of recycle caprolactam form rearrangement mixture and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200951112A TW200951112A (en) | 2009-12-16 |
| TWI349662B true TWI349662B (zh) | 2011-10-01 |
Family
ID=41415395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097122056A TW200951112A (en) | 2008-06-13 | 2008-06-13 | System of recycle caprolactam form rearrangement mixture and method thereof |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8193348B2 (zh) |
| TW (1) | TW200951112A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863382B (zh) * | 2011-07-07 | 2014-03-12 | 中国石油化工股份有限公司 | 一种己内酰胺重排反应产物的溶剂回收方法及其应用 |
| CN104876867B (zh) * | 2014-02-27 | 2017-06-30 | 中国石油化工股份有限公司 | 一种提高己内酰胺产品质量的方法 |
| CN104876782B (zh) * | 2014-02-27 | 2017-01-04 | 中国石油化工股份有限公司 | 一种处理循环的有机溶剂的方法和己内酰胺的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1005927C2 (nl) | 1997-04-29 | 1998-11-02 | Dsm Nv | Werkwijze voor het winnen van caprolactam uit een geneutraliseerd omlegmengsel. |
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2008
- 2008-06-13 TW TW097122056A patent/TW200951112A/zh unknown
-
2009
- 2009-05-29 US US12/474,968 patent/US8193348B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8193348B2 (en) | 2012-06-05 |
| US20090312542A1 (en) | 2009-12-17 |
| TW200951112A (en) | 2009-12-16 |