SG75895A1 - Process for producing polycaprolactam - Google Patents
Process for producing polycaprolactamInfo
- Publication number
- SG75895A1 SG75895A1 SG1998004735A SG1998004735A SG75895A1 SG 75895 A1 SG75895 A1 SG 75895A1 SG 1998004735 A SG1998004735 A SG 1998004735A SG 1998004735 A SG1998004735 A SG 1998004735A SG 75895 A1 SG75895 A1 SG 75895A1
- Authority
- SG
- Singapore
- Prior art keywords
- polycaprolactam
- preparing
- aminocapronitrile
- producing
- producing polycaprolactam
- 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
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
-
- 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
- C07D223/12—Nitrogen atoms not forming part of a nitro radical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Catalysts (AREA)
- Polyamides (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Mounting Of Bearings Or Others (AREA)
- Saccharide Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19517823A DE19517823A1 (de) | 1995-05-18 | 1995-05-18 | Verfahren zur Herstellung von Caprolactam |
Publications (1)
Publication Number | Publication Date |
---|---|
SG75895A1 true SG75895A1 (en) | 2000-10-24 |
Family
ID=7761969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1998004735A SG75895A1 (en) | 1995-05-18 | 1996-05-07 | Process for producing polycaprolactam |
Country Status (27)
Country | Link |
---|---|
US (1) | US6683177B1 (da) |
EP (1) | EP0815078B1 (da) |
JP (1) | JPH11505231A (da) |
KR (1) | KR100437858B1 (da) |
CN (2) | CN1076017C (da) |
AT (1) | ATE236121T1 (da) |
AU (1) | AU705339B2 (da) |
BG (1) | BG64093B1 (da) |
BR (1) | BR9608787A (da) |
CA (1) | CA2218130A1 (da) |
CZ (1) | CZ290780B6 (da) |
DE (2) | DE19517823A1 (da) |
DK (1) | DK0815078T3 (da) |
EA (2) | EA000465B1 (da) |
ES (1) | ES2194994T3 (da) |
HU (1) | HU220771B1 (da) |
MX (1) | MX9708677A (da) |
MY (1) | MY124474A (da) |
NO (1) | NO308598B1 (da) |
NZ (1) | NZ308486A (da) |
PL (1) | PL186249B1 (da) |
PT (1) | PT815078E (da) |
SG (1) | SG75895A1 (da) |
SK (1) | SK154797A3 (da) |
TR (2) | TR199701387T1 (da) |
TW (1) | TW340113B (da) |
WO (1) | WO1996036601A1 (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2735471B1 (fr) † | 1995-06-16 | 1997-08-22 | Rhone Poulenc Chimie | Procede de preparation de lactames |
DE19718706A1 (de) | 1997-05-02 | 1998-11-05 | Basf Ag | Verfahren zur Herstellung cyclischer Lactame |
DE19738463C2 (de) | 1997-09-03 | 1999-09-23 | Basf Ag | Verfahren zur Herstellung von Caprolactam |
US6858728B2 (en) * | 2003-06-17 | 2005-02-22 | Invista North America S.A.R.L. | Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is produced |
US6716977B1 (en) * | 2003-06-17 | 2004-04-06 | E. I. Du Pont De Nemours And Company | Method for making caprolactam from impure ACN wherein ammonia and water are removed from crude caprolactam in a simple separation step and then THA is removed from the resulting caprolactam melt |
US7208632B2 (en) * | 2004-09-10 | 2007-04-24 | Invista North America S.A R.L. | Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine |
CN114453029B (zh) * | 2022-02-09 | 2023-12-19 | 厦门大学 | 一种氧化物表面处理方法及其在己内酰胺制6-氨基己腈反应的应用 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE749649C (de) * | 1931-09-16 | 1944-11-29 | Aus mehreren Teilen zusammengesetzter elektrischer Isolierkoerper fuer Hochspannung | |
US2208598A (en) | 1938-09-24 | 1940-07-23 | Du Pont | Aliphatic amino-nitriles and process of producing them |
US2357484A (en) * | 1941-09-12 | 1944-09-05 | Du Pont | Process for producing compounds containing an n-substituted amide group |
US2301964A (en) * | 1941-09-12 | 1942-11-17 | Du Pont | Method of preparing lactams |
DE749469C (de) | 1942-01-14 | 1944-12-04 | Verfahren zur Herstellung einer stickstoffhaltigen Verbindung | |
DE848654C (de) | 1950-08-19 | 1952-09-08 | Basf Ag | Verfahren zur Herstellung von partiellen Hydrierungsprodukten des Adipinsaeuredinitrils |
DE836938C (de) | 1950-08-26 | 1952-04-17 | Basf Ag | Verfahren zur Herstellung von Amionitrilen |
NL7412695A (nl) * | 1974-09-26 | 1976-03-30 | Stamicarbon | De bereiding van een 2-amino-pyrrolinederivaat. |
NL7412694A (nl) | 1974-09-26 | 1976-03-30 | Stamicarbon | Werkwijze voor de bereiding van een pyrrolidon- -2. |
EP0150295A3 (en) | 1983-12-19 | 1988-03-30 | Allied Corporation | Selective production of n-substituted amides by use of cu(o)/metallic oxides catalyst compositions |
US4628085A (en) * | 1985-09-03 | 1986-12-09 | Allied Corporation | Use of silica catalyst for selective production of lactams |
US5192399A (en) | 1991-01-30 | 1993-03-09 | E. I. Du Pont De Nemours And Company | Purification of aminonitriles or diamines |
US5133838A (en) | 1991-02-28 | 1992-07-28 | E. I. Du Pont De Nemours And Company | Purification of 6-aminocapronitrile |
US5151543A (en) | 1991-05-31 | 1992-09-29 | E. I. Du Pont De Nemours And Company | Selective low pressure hydrogenation of a dinitrile to an aminonitrile |
US5162567A (en) * | 1992-02-27 | 1992-11-10 | E. I. Du Pont De Nemours And Company | Purification of 6-aminocapronitrile |
DE4339648A1 (de) | 1993-11-20 | 1995-05-24 | Basf Ag | Verfahren zur Herstellung von Caprolactam |
FR2714379B1 (fr) * | 1993-12-23 | 1996-02-02 | Rhone Poulenc Chimie | Procédé de préparation de lactame. |
DE4441962A1 (de) * | 1994-11-25 | 1996-05-30 | Basf Ag | Verfahren zur Herstellung von Caprolactam |
DE19500041A1 (de) * | 1995-01-03 | 1996-07-04 | Basf Ag | Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam |
DE19628805A1 (de) * | 1996-07-17 | 1998-01-22 | Basf Ag | Verfahren zur Herstellung von Caprolactam aus 6-Aminocapronitril |
-
1995
- 1995-05-18 DE DE19517823A patent/DE19517823A1/de not_active Withdrawn
-
1996
- 1996-05-02 TW TW085105278A patent/TW340113B/zh active
- 1996-05-07 PL PL96323390A patent/PL186249B1/pl not_active IP Right Cessation
- 1996-05-07 DK DK96919688T patent/DK0815078T3/da active
- 1996-05-07 CZ CZ19973577A patent/CZ290780B6/cs not_active IP Right Cessation
- 1996-05-07 HU HU9802505A patent/HU220771B1/hu not_active IP Right Cessation
- 1996-05-07 TR TR97/01387T patent/TR199701387T1/xx unknown
- 1996-05-07 US US08/952,208 patent/US6683177B1/en not_active Expired - Fee Related
- 1996-05-07 DE DE59610304T patent/DE59610304D1/de not_active Expired - Fee Related
- 1996-05-07 EA EA199700401A patent/EA000465B1/ru not_active IP Right Cessation
- 1996-05-07 MY MYPI96001707A patent/MY124474A/en unknown
- 1996-05-07 SK SK1547-97A patent/SK154797A3/sk unknown
- 1996-05-07 WO PCT/EP1996/001892 patent/WO1996036601A1/de active IP Right Grant
- 1996-05-07 SG SG1998004735A patent/SG75895A1/en unknown
- 1996-05-07 MX MX9708677A patent/MX9708677A/es not_active IP Right Cessation
- 1996-05-07 KR KR1019970708203A patent/KR100437858B1/ko not_active IP Right Cessation
- 1996-05-07 AT AT96919688T patent/ATE236121T1/de not_active IP Right Cessation
- 1996-05-07 JP JP8534517A patent/JPH11505231A/ja not_active Withdrawn
- 1996-05-07 PT PT96919688T patent/PT815078E/pt unknown
- 1996-05-07 EA EA199900327A patent/EA001369B1/ru not_active IP Right Cessation
- 1996-05-07 EP EP96919688A patent/EP0815078B1/de not_active Expired - Lifetime
- 1996-05-07 BR BR9608787A patent/BR9608787A/pt not_active Application Discontinuation
- 1996-05-07 AU AU58148/96A patent/AU705339B2/en not_active Ceased
- 1996-05-07 CA CA002218130A patent/CA2218130A1/en not_active Abandoned
- 1996-05-07 NZ NZ308486A patent/NZ308486A/xx unknown
- 1996-05-07 ES ES96919688T patent/ES2194994T3/es not_active Expired - Lifetime
- 1996-05-07 CN CN96193999A patent/CN1076017C/zh not_active Expired - Fee Related
- 1996-05-07 TR TR1998/01491T patent/TR199801491T2/xx unknown
-
1997
- 1997-11-12 BG BG102038A patent/BG64093B1/bg unknown
- 1997-11-17 NO NO975270A patent/NO308598B1/no unknown
-
2001
- 2001-11-12 CN CN01138433A patent/CN1421474A/zh active Pending
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