SG75895A1 - Process for producing polycaprolactam - Google Patents

Process for producing polycaprolactam

Info

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
Application number
SG1998004735A
Other languages
English (en)
Inventor
Eberhard Fuchs
Johann-Peter Melder
Werner Schnurr
Rolf Fischer
Original Assignee
Basf Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of SG75895A1 publication Critical patent/SG75895A1/en

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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Saccharide Compounds (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Polyesters Or Polycarbonates (AREA)
SG1998004735A 1995-05-18 1996-05-07 Process for producing polycaprolactam SG75895A1 (en)

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 (es)
EP (1) EP0815078B1 (es)
JP (1) JPH11505231A (es)
KR (1) KR100437858B1 (es)
CN (2) CN1076017C (es)
AT (1) ATE236121T1 (es)
AU (1) AU705339B2 (es)
BG (1) BG64093B1 (es)
BR (1) BR9608787A (es)
CA (1) CA2218130A1 (es)
CZ (1) CZ290780B6 (es)
DE (2) DE19517823A1 (es)
DK (1) DK0815078T3 (es)
EA (2) EA000465B1 (es)
ES (1) ES2194994T3 (es)
HU (1) HU220771B1 (es)
MX (1) MX9708677A (es)
MY (1) MY124474A (es)
NO (1) NO308598B1 (es)
NZ (1) NZ308486A (es)
PL (1) PL186249B1 (es)
PT (1) PT815078E (es)
SG (1) SG75895A1 (es)
SK (1) SK154797A3 (es)
TR (2) TR199801491T2 (es)
TW (1) TW340113B (es)
WO (1) WO1996036601A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
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
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
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)

* Cited by examiner, † Cited by third party
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
US2301964A (en) * 1941-09-12 1942-11-17 Du Pont Method of preparing lactams
US2357484A (en) * 1941-09-12 1944-09-05 Du Pont Process for producing compounds containing an n-substituted amide group
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

Also Published As

Publication number Publication date
CN1076017C (zh) 2001-12-12
TR199801491T2 (xx) 1998-09-21
EA001369B1 (ru) 2001-02-26
NO308598B1 (no) 2000-10-02
BR9608787A (pt) 1999-02-17
KR19990014858A (ko) 1999-02-25
DE19517823A1 (de) 1996-11-21
PT815078E (pt) 2003-08-29
HUP9802505A3 (en) 1999-05-28
AU705339B2 (en) 1999-05-20
HUP9802505A2 (hu) 1999-02-01
TR199701387T1 (xx) 1998-02-21
NO975270L (no) 1997-11-17
NZ308486A (en) 2000-01-28
CN1421474A (zh) 2003-06-04
EA000465B1 (ru) 1999-08-26
DK0815078T3 (da) 2003-04-22
ATE236121T1 (de) 2003-04-15
JPH11505231A (ja) 1999-05-18
US6683177B1 (en) 2004-01-27
PL323390A1 (en) 1998-03-30
EA199700401A1 (ru) 1998-10-29
CA2218130A1 (en) 1996-11-21
BG102038A (en) 1998-08-31
CN1184466A (zh) 1998-06-10
MY124474A (en) 2006-06-30
DE59610304D1 (de) 2003-05-08
SK154797A3 (en) 1998-06-03
TW340113B (en) 1998-09-11
KR100437858B1 (ko) 2004-10-06
HU220771B1 (hu) 2002-05-28
CZ290780B6 (cs) 2002-10-16
ES2194994T3 (es) 2003-12-01
CZ357797A3 (cs) 1998-04-15
AU5814896A (en) 1996-11-29
MX9708677A (es) 1998-02-28
EP0815078A1 (de) 1998-01-07
BG64093B1 (bg) 2003-12-31
EP0815078B1 (de) 2003-04-02
WO1996036601A1 (de) 1996-11-21
PL186249B1 (pl) 2003-12-31
NO975270D0 (no) 1997-11-17
EA199900327A1 (ru) 2000-10-30

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