BE786176A - Procede de recuperation de la caprolactame - Google Patents

Procede de recuperation de la caprolactame

Info

Publication number
BE786176A
BE786176A BE786176DA BE786176A BE 786176 A BE786176 A BE 786176A BE 786176D A BE786176D A BE 786176DA BE 786176 A BE786176 A BE 786176A
Authority
BE
Belgium
Prior art keywords
recovery process
caprolactam recovery
caprolactam
recovery
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE786176A publication Critical patent/BE786176A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
BE786176D 1971-07-14 1972-07-12 Procede de recuperation de la caprolactame BE786176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2135085A DE2135085C3 (de) 1971-07-14 1971-07-14 Verfahren zur Wiedergewinnung von Caprolactam aus einem Gemisch, das Caprolactam und dessen Oligomere enthält

Publications (1)

Publication Number Publication Date
BE786176A true BE786176A (fr) 1973-01-12

Family

ID=5813596

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786176D BE786176A (fr) 1971-07-14 1972-07-12 Procede de recuperation de la caprolactame

Country Status (7)

Country Link
US (1) US3855080A (es)
BE (1) BE786176A (es)
DE (1) DE2135085C3 (es)
ES (1) ES404834A1 (es)
GB (1) GB1388166A (es)
IT (1) IT961380B (es)
NL (1) NL7209438A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311642A (en) * 1980-09-17 1982-01-19 Allied Corporation Recovery of caprolactam from nylon 6 oligomers
DE3311260A1 (de) * 1983-03-28 1984-10-04 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen eindampfen von caprolactam und dessen oligomere enthaltenden waessrigen loesungen
US4764607A (en) * 1986-12-22 1988-08-16 Allied Corporation Method for recovering caprolactam
KR100430746B1 (ko) 2000-12-28 2004-05-10 하. 룬트벡 아크티에 셀스카브 순수한 시탈로프람의 제조방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752574C (de) * 1942-06-26 1953-03-16 Ig Farbenindustrie Ag Verfahren zur Herstellung von ªŠ-Caprolactam
US2952675A (en) * 1958-07-01 1960-09-13 Inventa A G Fur Forschun Und P Process of recovering epsilon-caprolactam from its polymer
US3252502A (en) * 1962-01-19 1966-05-24 Allied Chem Centrifugal wiped film evaporation process for viscous materials
NL135959C (es) * 1964-12-23
US3497500A (en) * 1967-06-16 1970-02-24 Union Carbide Corp Process for production of epsilon-caprolactam
US3600381A (en) * 1968-05-09 1971-08-17 Teijin Ltd Caprolactam purification process
NL161063C (nl) * 1969-04-05 1980-01-15 Stamicarbon Werkwijze voor het scheiden van vloeistoffen met behulp van een gelijkstroomverdamper met verticale pijpen.

Also Published As

Publication number Publication date
US3855080A (en) 1974-12-17
DE2135085C3 (de) 1981-12-03
DE2135085B2 (de) 1976-07-22
GB1388166A (en) 1975-03-26
ES404834A1 (es) 1975-06-16
NL7209438A (es) 1973-01-16
DE2135085A1 (de) 1973-02-01
IT961380B (it) 1973-12-10

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