BR9509987A - Processo e aparelho para obtenção de caprolactama e uso dos mesmos - Google Patents
Processo e aparelho para obtenção de caprolactama e uso dos mesmosInfo
- Publication number
- BR9509987A BR9509987A BR9509987A BR9509987A BR9509987A BR 9509987 A BR9509987 A BR 9509987A BR 9509987 A BR9509987 A BR 9509987A BR 9509987 A BR9509987 A BR 9509987A BR 9509987 A BR9509987 A BR 9509987A
- Authority
- BR
- Brazil
- Prior art keywords
- obtaining caprolactam
- caprolactam
- obtaining
- Prior art date
Links
Classifications
-
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyamides (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/355,285 US5536831A (en) | 1994-12-12 | 1994-12-12 | Obtaining caprolactam by cleavage of molten polycaprolactam |
| PCT/EP1995/004734 WO1996018612A1 (en) | 1994-12-12 | 1995-12-01 | Obtaining caprolactam by cleavage of molten polycaprolactam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9509987A true BR9509987A (pt) | 1997-12-30 |
Family
ID=23396920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9509987A BR9509987A (pt) | 1994-12-12 | 1995-12-01 | Processo e aparelho para obtenção de caprolactama e uso dos mesmos |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5536831A (pt) |
| EP (1) | EP0797570A1 (pt) |
| JP (1) | JPH10510279A (pt) |
| AU (1) | AU4177496A (pt) |
| BR (1) | BR9509987A (pt) |
| MY (1) | MY112947A (pt) |
| RU (1) | RU2154059C2 (pt) |
| TW (1) | TW450959B (pt) |
| WO (1) | WO1996018612A1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681952A (en) | 1995-12-08 | 1997-10-28 | Alliedsignal Inc. | Process for depolymerizing nylon-containing waste to form caprolactam |
| NL1005942C2 (nl) * | 1997-05-01 | 1998-11-03 | Dsm Nv | Depolymeriseren van polyamiden. |
| NL1006575C2 (nl) * | 1997-07-14 | 1999-01-15 | Dsm Nv | Depolymeriseren van polyamiden. |
| US5990306A (en) * | 1997-09-03 | 1999-11-23 | Alliedsignal Inc. | Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet |
| US20020037939A1 (en) * | 2000-06-08 | 2002-03-28 | Mckinnon Michael Stephen | Solvent-based recovery and recycle of polyamide material |
| DE10029422A1 (de) * | 2000-06-15 | 2001-12-20 | Andreas Hornung | Einstufiges Verfahren zur Rückgewinnung von hochreinem epsilon-Caprolactam aus Teppichböden oder Mischfasern |
| FR3101351B1 (fr) * | 2019-09-26 | 2022-08-19 | Arkema France | Procédé de recyclage conjoint d’articles composites à base de matrice de polymère thermoplastique |
| CN116261581A (zh) | 2020-12-17 | 2023-06-13 | 巴斯夫欧洲公司 | 从含己内酰胺的聚合物和含聚氨酯的聚合物，特别是聚氨酯嵌段共聚物的混合物选择性解聚聚酰胺6以得到己内酰胺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE851195C (de) * | 1944-10-20 | 1952-10-02 | Basf Ag | Verfahren zur Wiedergewinnung von ªŠ-Caprolactum aus Polyamiden |
| DE4211609A1 (de) * | 1991-08-30 | 1993-03-04 | Bayer Ag | Gewinnung von caprolactam durch thermische spaltung von polyamid 6 |
| DE4215087A1 (de) * | 1992-05-07 | 1993-11-11 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam |
| DE4228496A1 (de) * | 1992-08-31 | 1994-03-03 | Thueringisches Inst Textil | Verfahren zur Depolymerisation von Polycaprolactam |
| US5266694A (en) * | 1992-10-19 | 1993-11-30 | E. I. Du Pont De Nemours And Company | Nylon component reclamation |
| US5294707A (en) * | 1993-02-25 | 1994-03-15 | Basf Corporation | Semi-continuous depolymerization of nylon 6 polymer |
-
1994
- 1994-12-12 US US08/355,285 patent/US5536831A/en not_active Expired - Fee Related
-
1995
- 1995-12-01 EP EP95940264A patent/EP0797570A1/en not_active Withdrawn
- 1995-12-01 JP JP8518203A patent/JPH10510279A/ja active Pending
- 1995-12-01 RU RU97112185/04A patent/RU2154059C2/ru active
- 1995-12-01 WO PCT/EP1995/004734 patent/WO1996018612A1/en not_active Application Discontinuation
- 1995-12-01 BR BR9509987A patent/BR9509987A/pt active Search and Examination
- 1995-12-01 AU AU41774/96A patent/AU4177496A/en not_active Abandoned
- 1995-12-08 TW TW084113088A patent/TW450959B/zh not_active IP Right Cessation
- 1995-12-09 MY MYPI95003811A patent/MY112947A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0797570A1 (en) | 1997-10-01 |
| US5536831A (en) | 1996-07-16 |
| MY112947A (en) | 2001-10-31 |
| AU4177496A (en) | 1996-07-03 |
| RU2154059C2 (ru) | 2000-08-10 |
| JPH10510279A (ja) | 1998-10-06 |
| TW450959B (en) | 2001-08-21 |
| WO1996018612A1 (en) | 1996-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| B11D | Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time |