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TW200700382A - Improved method for making caprolactam from impure 6-aminocapronitrile - Google Patents

Improved method for making caprolactam from impure 6-aminocapronitrile

Info

Publication number
TW200700382A
TW200700382A TW095109266A TW95109266A TW200700382A TW 200700382 A TW200700382 A TW 200700382A TW 095109266 A TW095109266 A TW 095109266A TW 95109266 A TW95109266 A TW 95109266A TW 200700382 A TW200700382 A TW 200700382A
Authority
TW
Taiwan
Prior art keywords
acn
caprolactam
aminocapronitrile
hmi
crude liquid
Prior art date
Application number
TW095109266A
Other languages
English (en)
Inventor
Alan M Allgeier
John J Ostermaier
Sourav Kumar Sengupta
Original Assignee
Invista Tech Sarl
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 Invista Tech Sarl filed Critical Invista Tech Sarl
Publication of TW200700382A publication Critical patent/TW200700382A/zh

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
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
TW095109266A 2005-03-18 2006-03-17 Improved method for making caprolactam from impure 6-aminocapronitrile TW200700382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/083,715 US7390897B2 (en) 2005-03-18 2005-03-18 Method for making caprolactam from impure 6-aminocapronitrile

Publications (1)

Publication Number Publication Date
TW200700382A true TW200700382A (en) 2007-01-01

Family

ID=36658684

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095109266A TW200700382A (en) 2005-03-18 2006-03-17 Improved method for making caprolactam from impure 6-aminocapronitrile

Country Status (13)

Country Link
US (1) US7390897B2 (zh)
EP (1) EP1858842A1 (zh)
JP (1) JP5101486B2 (zh)
KR (1) KR101273828B1 (zh)
CN (1) CN101142178B (zh)
BR (1) BRPI0609845A2 (zh)
CA (1) CA2600769A1 (zh)
CZ (1) CZ2007623A3 (zh)
MX (1) MX2007011229A (zh)
MY (1) MY140069A (zh)
SK (1) SK51072007A3 (zh)
TW (1) TW200700382A (zh)
WO (1) WO2006101870A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104557705B (zh) * 2013-10-15 2017-06-09 中国石油化工股份有限公司 一种己内酰胺精制的方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19500041A1 (de) * 1995-01-03 1996-07-04 Basf Ag Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam
FR2751962B1 (fr) * 1996-08-02 1998-09-11 Rhone Poulenc Fibres Procede de purification de lactames
DE19753301A1 (de) * 1997-12-01 1999-06-02 Basf Ag Verfahren zur Herstellung von Lactamen
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

Also Published As

Publication number Publication date
MY140069A (en) 2009-11-30
BRPI0609845A2 (pt) 2010-05-04
EP1858842A1 (en) 2007-11-28
JP2008533159A (ja) 2008-08-21
US7390897B2 (en) 2008-06-24
WO2006101870A1 (en) 2006-09-28
CZ2007623A3 (cs) 2008-08-13
KR101273828B1 (ko) 2013-06-11
US20060211859A1 (en) 2006-09-21
CN101142178A (zh) 2008-03-12
CA2600769A1 (en) 2006-09-28
SK51072007A3 (sk) 2008-12-05
JP5101486B2 (ja) 2012-12-19
CN101142178B (zh) 2011-10-05
US20080009618A9 (en) 2008-01-10
MX2007011229A (es) 2007-10-17
KR20080016529A (ko) 2008-02-21

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