DE69509252D1 - Verfahren zur wiederverwertung von aminocarbonsäuren-abfall in amidocarbonsäuren - Google Patents

Verfahren zur wiederverwertung von aminocarbonsäuren-abfall in amidocarbonsäuren

Info

Publication number
DE69509252D1
DE69509252D1 DE69509252T DE69509252T DE69509252D1 DE 69509252 D1 DE69509252 D1 DE 69509252D1 DE 69509252 T DE69509252 T DE 69509252T DE 69509252 T DE69509252 T DE 69509252T DE 69509252 D1 DE69509252 D1 DE 69509252D1
Authority
DE
Germany
Prior art keywords
carboxylic acid
amido
recycling
acids
acid waste
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69509252T
Other languages
English (en)
Other versions
DE69509252T2 (de
Inventor
George Zima
Gary Lutz
Gary Mcchesney
Thomas Williams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Chemical Co
Original Assignee
Eastman Chemical Co
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 Eastman Chemical Co filed Critical Eastman Chemical Co
Application granted granted Critical
Publication of DE69509252D1 publication Critical patent/DE69509252D1/de
Publication of DE69509252T2 publication Critical patent/DE69509252T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Fats And Perfumes (AREA)
DE69509252T 1994-11-07 1995-10-26 Verfahren zur wiederverwertung von aminocarbonsäuren-abfall in amidocarbonsäuren Expired - Fee Related DE69509252T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/334,899 US5565590A (en) 1994-11-07 1994-11-07 Process for recycling amino-carboxylic acid waste materials into amido-carboxylic acids
PCT/US1995/013718 WO1996014291A1 (en) 1994-11-07 1995-10-26 A process for recycling amino-carboxylic acid waste materials into amido-carboxylic acids

Publications (2)

Publication Number Publication Date
DE69509252D1 true DE69509252D1 (de) 1999-05-27
DE69509252T2 DE69509252T2 (de) 1999-09-09

Family

ID=23309349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69509252T Expired - Fee Related DE69509252T2 (de) 1994-11-07 1995-10-26 Verfahren zur wiederverwertung von aminocarbonsäuren-abfall in amidocarbonsäuren

Country Status (11)

Country Link
US (1) US5565590A (de)
EP (1) EP0790978B1 (de)
JP (1) JPH10508600A (de)
CN (1) CN1168663A (de)
AT (1) ATE179163T1 (de)
AU (1) AU689669B2 (de)
DE (1) DE69509252T2 (de)
ES (1) ES2130676T3 (de)
FI (1) FI971937A0 (de)
HU (1) HUT77799A (de)
WO (1) WO1996014291A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
US6627046B1 (en) 2000-01-21 2003-09-30 E. I. Du Pont De Nemours And Company Separation of the products of polyamide ammonolysis
AU2001268171A1 (en) 2000-06-02 2001-12-11 Eastman Chemical Company Process for recycling amido-carboxylic acid esters into amido-carboxylic acids
US20130319598A1 (en) 2012-05-30 2013-12-05 Cardinal Ig Company Asymmetrical insulating glass unit and spacer system
US10626221B2 (en) 2015-11-04 2020-04-21 Dow Silicones Corporation Method of preparing organosiloxane
WO2020221920A1 (en) * 2019-05-01 2020-11-05 Novochem Green Additives 4 B.V. Recycling eutectic composition

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453234A (en) * 1946-08-14 1948-11-09 American Enka Corp Process for the preparation of amino-carboxylic-acids from lactams
GB648889A (en) * 1946-08-14 1951-01-17 Algemene Kunstzijde Unie Nv Improved process for the preparation of amino-carboxylic-acids from lactams
US2956068A (en) * 1956-08-28 1960-10-11 Henkel & Compagnie G M B H Preparation of acylamino carboxylic acids
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet
DE4214070A1 (de) * 1992-04-29 1993-11-04 Thueringisches Inst Textil Verfahren zur verwertung von polyamidabfallmaterialien
DE4238178A1 (de) * 1992-11-12 1994-05-19 Thueringisches Inst Textil Verfahren zur chemischen Verwertung von Polyamidabfallmaterialien
DE4421239A1 (de) * 1993-06-17 1994-12-22 Inventa Ag Verfahren zur Aufbereitung von hochmolekularem Polyamid 6 sowie nach diesem Verfahren hergestelltes Repolymerisat
US5393901A (en) * 1994-04-15 1995-02-28 Eastman Chemical Company Aqueous process for preparing amido-carboxylic acids

Also Published As

Publication number Publication date
HUT77799A (hu) 1998-08-28
JPH10508600A (ja) 1998-08-25
EP0790978B1 (de) 1999-04-21
WO1996014291A1 (en) 1996-05-17
FI971937A (fi) 1997-05-06
DE69509252T2 (de) 1999-09-09
CN1168663A (zh) 1997-12-24
EP0790978A1 (de) 1997-08-27
AU4009395A (en) 1996-05-31
FI971937A0 (fi) 1997-05-06
ES2130676T3 (es) 1999-07-01
ATE179163T1 (de) 1999-05-15
AU689669B2 (en) 1998-04-02
US5565590A (en) 1996-10-15

Similar Documents

Publication Publication Date Title
DE59800765D1 (de) Verfahren zur erzeugung von pet-recyclat aus flakes, sowie nach dem verfahren erzeugtes pet-produkt
DE69415686D1 (de) Verfahren zum trennen von cyclohexandimethylol und dimethylterephthalate
DE60000414D1 (de) Glykolyseverfahren zur recyclierung von pet-abfall
DE69635418D1 (de) Wiedergewinnung von caprolactam aus nylon-6 abfällen
ATE437847T1 (de) Verfahren zur abtrennung und rückgewinnung von dimethylterephthalat und ethylenglykol aus polyesterabfällen
ATE30045T1 (de) Verfahren zur herstellung fluessiger kohlenwasserstoffe.
DE60019624D1 (de) Methode zur behandlung von gehärteten epoxydharzprodukten
ATE255557T1 (de) Verfahren zur depolymerisation von polymethylmethacrylat
DE69325803D1 (de) Säuberung von polyethylene terephthalaten
DE69509252D1 (de) Verfahren zur wiederverwertung von aminocarbonsäuren-abfall in amidocarbonsäuren
CA2143820A1 (en) Recovery of caprolactam from oligomers and/or polymers of caprolactam
US5744503A (en) Recycling polyester and recovering glycols
US5310905A (en) Conversion of nylon 6 and/or nylon 6,6 to monomers
HUP0101072A2 (hu) Eljárás poliamidok előállítására amino-nitrilekből
ATE185549T1 (de) Wässriges verfahren zur herstellung von amido- carboxylsäuren durch umsetzung von aminosäuren mit carbonsäureanhydriden
ATE271029T1 (de) Wässriges verfahren zur herstellung von amidocarbonsäuren
DE59509625D1 (de) Verfahren zur herstellung von caprolactam
ATE297378T1 (de) Verfahren zur herstellung von epsilon-caprolactam
ATE245620T1 (de) Aromatische carbonsäuremonomere, polymere, produkte und verfahren zu ihrer herstellung
ATE270690T1 (de) Verfahren zur wiedergewinnung von polyestern oder polyestergemischen
DE59602549D1 (de) Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen
ATE144491T1 (de) Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung
ATE128112T1 (de) Verfahren zur herstellung von cyclopropylmethylketon.
RU2034827C1 (ru) Способ получения 2-окси-4-(мет)акрилоилоксибензофенона
SU482996A1 (ru) Способ получени термореактивных олигомеров

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee