JPS5754165A - - Google Patents

Info

Publication number
JPS5754165A
JPS5754165A JP56124192A JP12419281A JPS5754165A JP S5754165 A JPS5754165 A JP S5754165A JP 56124192 A JP56124192 A JP 56124192A JP 12419281 A JP12419281 A JP 12419281A JP S5754165 A JPS5754165 A JP S5754165A
Authority
JP
Japan
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.)
Pending
Application number
JP56124192A
Inventor
Fukusu Fuugo
Furomaa Erumaa
Gurosukinsu Otsutoooarufureeto
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of JPS5754165A publication Critical patent/JPS5754165A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Polyamides (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP56124192A 1980-08-14 1981-08-10 Pending JPS5754165A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803030735 DE3030735A1 (de) 1980-08-14 1980-08-14 Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams

Publications (1)

Publication Number Publication Date
JPS5754165A true JPS5754165A (ja) 1982-03-31

Family

ID=6109598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56124192A Pending JPS5754165A (ja) 1980-08-14 1981-08-10

Country Status (5)

Country Link
US (1) US4360461A (ja)
EP (1) EP0046183B1 (ja)
JP (1) JPS5754165A (ja)
CA (1) CA1157857A (ja)
DE (2) DE3030735A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266206A (ja) * 1985-05-20 1986-11-25 Kobe Steel Ltd 連続混練機の混練制御装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336142A1 (de) * 1983-10-05 1985-04-25 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von n-c(pfeil abwaerts)1(pfeil abwaerts)-c(pfeil abwaerts)4(pfeil abwaerts)-alkylcaprolactam
DE3403574A1 (de) * 1984-02-02 1985-08-08 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von caprolactam aus (epsilon)-aminocapronsaeure
DE3524394A1 (de) * 1985-07-09 1987-01-15 Basf Ag Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams
EP0223737B1 (de) * 1985-10-30 1989-12-27 Schweizerische Aluminium Ag Träger für eine lithographische Druckplatte
DE4216848A1 (de) * 1992-05-21 1993-11-25 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam
GB9225461D0 (en) * 1992-12-04 1993-01-27 Vergier Ltd Du Depolymerisation process and apparatus
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
DE19942338A1 (de) * 1999-09-06 2001-03-08 Basf Ag Verfahren zur Spaltung Amidgruppen enthaltender Polymere und Oligomere
EP1423361B8 (en) * 2001-08-27 2018-05-23 Cap Iii B.V. Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264060A (en) * 1966-08-02 Simultaneous recovery of pure ammoni- um sulfate and pure lactams from re- arrangement mixtures of alicyclic ketoximes
GB819683A (en) * 1957-02-15 1959-09-09 Ici Ltd Improvements in and relating to the de-polymerisation of cyclic polymers of -e-caprolactam
DE1445549C3 (de) * 1964-10-31 1973-10-31 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von Caprolactam
SU600128A1 (ru) * 1972-05-11 1978-03-30 Проектно-Конструкторский Институт Автоматизации Производственных Процессов В Промышленности Способ автоматического управлени процессом получени капролактама
US3939153A (en) * 1974-08-09 1976-02-17 Hillyard Chemical Company Process for producing caprolactam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266206A (ja) * 1985-05-20 1986-11-25 Kobe Steel Ltd 連続混練機の混練制御装置

Also Published As

Publication number Publication date
DE3161702D1 (en) 1984-01-26
EP0046183B1 (de) 1983-12-21
DE3030735A1 (de) 1982-03-25
EP0046183A1 (de) 1982-02-24
US4360461A (en) 1982-11-23
CA1157857A (en) 1983-11-29

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