FI972314A0 - Menetelmä kaprolaktaamin valmistamiseksi - Google Patents

Menetelmä kaprolaktaamin valmistamiseksi

Info

Publication number
FI972314A0
FI972314A0 FI972314A FI972314A FI972314A0 FI 972314 A0 FI972314 A0 FI 972314A0 FI 972314 A FI972314 A FI 972314A FI 972314 A FI972314 A FI 972314A FI 972314 A0 FI972314 A0 FI 972314A0
Authority
FI
Finland
Prior art keywords
caprolactam
preparation
catalyst
cleavage
prepared
Prior art date
Application number
FI972314A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI972314A (fi
Inventor
Eberhard Fuchs
Tom Witzel
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 FI972314A publication Critical patent/FI972314A/fi
Publication of FI972314A0 publication Critical patent/FI972314A0/fi

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)
  • Polyamides (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Adornments (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Catalysts (AREA)
FI972314A 1994-12-01 1997-05-30 Menetelmä kaprolaktaamin valmistamiseksi FI972314A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4442727A DE4442727A1 (de) 1994-12-01 1994-12-01 Verfahren zur Herstellung von Caprolactam
PCT/EP1995/004596 WO1996016937A1 (de) 1994-12-01 1995-11-22 Verfahren zur herstellung von caprolactam

Publications (2)

Publication Number Publication Date
FI972314A FI972314A (fi) 1997-05-30
FI972314A0 true FI972314A0 (fi) 1997-05-30

Family

ID=6534599

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972314A FI972314A0 (fi) 1994-12-01 1997-05-30 Menetelmä kaprolaktaamin valmistamiseksi

Country Status (23)

Country Link
US (1) US5495014A (bg)
EP (1) EP0793651B1 (bg)
JP (1) JPH10509965A (bg)
CN (1) CN1064677C (bg)
AT (1) ATE205827T1 (bg)
AU (1) AU692022B2 (bg)
BG (1) BG63303B1 (bg)
BR (1) BR9509937A (bg)
CA (1) CA2207315A1 (bg)
CZ (1) CZ288144B6 (bg)
DE (2) DE4442727A1 (bg)
ES (1) ES2164167T3 (bg)
FI (1) FI972314A0 (bg)
HU (1) HUT77103A (bg)
MY (1) MY131710A (bg)
NO (1) NO307375B1 (bg)
NZ (1) NZ297401A (bg)
PL (1) PL320506A1 (bg)
RU (1) RU2167862C2 (bg)
SK (1) SK63597A3 (bg)
TW (1) TW377343B (bg)
UA (1) UA45370C2 (bg)
WO (1) WO1996016937A1 (bg)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443125A1 (de) * 1994-12-03 1996-06-05 Basf Ag Verfahren zur Herstellung von Caprolactam
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form caprolactam
US5948908A (en) * 1996-03-18 1999-09-07 Alliedsignal Inc. Process for depolymerizing polycaprolactam processing waste to form caprolactam
DE19718706A1 (de) * 1997-05-02 1998-11-05 Basf Ag Verfahren zur Herstellung cyclischer Lactame
US5990306A (en) 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
ATE539052T1 (de) 1999-02-26 2012-01-15 Dsm Ip Assets Bv Ein verfahren zur wiedergewinnung von caprolactam und wasserdampf
DE19942338A1 (de) * 1999-09-06 2001-03-08 Basf Ag Verfahren zur Spaltung Amidgruppen enthaltender Polymere und Oligomere
US6660857B2 (en) 2000-02-03 2003-12-09 Dsm N.V. Process for the preparation of ε-caprolactam
WO2001056984A1 (en) * 2000-02-03 2001-08-09 Dsm N.V. PROCESS FOR THE PREPARATION OF ε-CAPROLACTAM
EP1122241A1 (en) * 2000-02-03 2001-08-08 Dsm N.V. Process for the preparation of epsilon-caprolactam
EP1975156B1 (en) * 2005-11-25 2011-03-02 Ube Industries, Ltd. Method for depolymerizing polyamide and method for producing monomer of polyamide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524394A1 (de) * 1985-07-09 1987-01-15 Basf Ag Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams
DE4211609A1 (de) * 1991-08-30 1993-03-04 Bayer Ag Gewinnung von caprolactam durch thermische spaltung von polyamid 6

Also Published As

Publication number Publication date
ES2164167T3 (es) 2002-02-16
US5495014A (en) 1996-02-27
UA45370C2 (uk) 2002-04-15
WO1996016937A1 (de) 1996-06-06
EP0793651B1 (de) 2001-09-19
RU2167862C2 (ru) 2001-05-27
BG63303B1 (bg) 2001-09-28
NZ297401A (en) 1998-10-28
BG101595A (bg) 1998-02-27
CZ152697A3 (en) 1997-10-15
FI972314A (fi) 1997-05-30
DE4442727A1 (de) 1996-06-05
HUT77103A (hu) 1998-03-02
SK63597A3 (en) 1997-11-05
CN1064677C (zh) 2001-04-18
TW377343B (en) 1999-12-21
MY131710A (en) 2007-08-30
CA2207315A1 (en) 1996-06-06
AU4254996A (en) 1996-06-19
EP0793651A1 (de) 1997-09-10
JPH10509965A (ja) 1998-09-29
MX9703920A (es) 1998-05-31
NO972489D0 (no) 1997-05-30
CZ288144B6 (en) 2001-05-16
AU692022B2 (en) 1998-05-28
NO972489L (no) 1997-05-30
PL320506A1 (en) 1997-10-13
ATE205827T1 (de) 2001-10-15
BR9509937A (pt) 1998-01-27
DE59509625D1 (de) 2001-10-25
CN1167483A (zh) 1997-12-10
NO307375B1 (no) 2000-03-27

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