CA1011897A - Extraction of polylactams - Google Patents

Extraction of polylactams

Info

Publication number
CA1011897A
CA1011897A CA179,823A CA179823A CA1011897A CA 1011897 A CA1011897 A CA 1011897A CA 179823 A CA179823 A CA 179823A CA 1011897 A CA1011897 A CA 1011897A
Authority
CA
Canada
Prior art keywords
polylactams
extraction
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
Application number
CA179,823A
Other languages
English (en)
Other versions
CA179823S (en
Inventor
Ernst Kissel
Eckart Neumann
Ernst Guenther
Werner Hoerauf
Guenter Valentin
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
Application granted granted Critical
Publication of CA1011897A publication Critical patent/CA1011897A/en
Expired 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
    • C08G69/46—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Polyamides (AREA)
CA179,823A 1972-08-30 1973-08-28 Extraction of polylactams Expired CA1011897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2242641A DE2242641C3 (de) 1972-08-30 1972-08-30 Verfahren zum kontinuierlichen Extrahieren von Polylactamen

Publications (1)

Publication Number Publication Date
CA1011897A true CA1011897A (en) 1977-06-07

Family

ID=5855008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,823A Expired CA1011897A (en) 1972-08-30 1973-08-28 Extraction of polylactams

Country Status (16)

Country Link
US (1) US4051113A (de)
JP (1) JPS5026595B2 (de)
AR (1) AR198003A1 (de)
BE (1) BE804236A (de)
CA (1) CA1011897A (de)
DD (1) DD105815A5 (de)
DE (1) DE2242641C3 (de)
DK (1) DK135725C (de)
FR (1) FR2197922B1 (de)
GB (1) GB1440946A (de)
IE (1) IE38137B1 (de)
IT (1) IT998426B (de)
LU (1) LU68321A1 (de)
NL (1) NL176466C (de)
PL (1) PL92485B1 (de)
SU (1) SU516356A3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622463C3 (de) * 1976-05-20 1985-06-05 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten
DE3026538A1 (de) * 1980-07-12 1982-02-11 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen
US4360662A (en) * 1980-11-19 1982-11-23 Celanese Corporation Continuous countercurrent extraction process for removing water-soluble impurities from water immiscible polymer solutions
US4764588A (en) * 1987-03-09 1988-08-16 Gaf Corporation Insoluble vinyl lactam clarifiers
US5496918A (en) * 1991-09-23 1996-03-05 Alliedsignal Inc. Process for improving the properties of polymers
DE19607723C2 (de) * 1996-02-29 2002-10-24 Polymer Eng Gmbh Verfahren und Vorrichtung zur kontinuierlichen Extraktion von polymeren Granulaten
DE19752182A1 (de) * 1997-11-25 1999-05-27 Basf Ag Verfahren zur kontinuierlichen Extraktion von Polyamid
US7468405B2 (en) * 2002-10-23 2008-12-23 Atofina Increase in the melting point and the enthalpy of melting of polyamides by a water treatment
FR2846333B1 (fr) * 2002-10-23 2004-12-03 Atofina Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement a l'eau
DE102015201969A1 (de) * 2015-02-04 2016-08-04 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von Polyamiden mit optimierter Strömungsführung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245964A (en) * 1962-11-13 1966-04-12 Allied Chem Continuous extraction of poly-e-caproamide
US3374207A (en) * 1964-11-12 1968-03-19 Inventa Ag Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules
DE1770097B2 (de) * 1968-03-30 1974-04-18 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen Extrahieren von körnigen Polyamiden
US3598537A (en) * 1968-06-05 1971-08-10 Metallgesellschaft Ag Continuous liquid extraction of solubles from solids

Also Published As

Publication number Publication date
IT998426B (it) 1976-01-20
FR2197922A1 (de) 1974-03-29
FR2197922B1 (de) 1977-02-25
JPS5026595B2 (de) 1975-09-02
DE2242641C3 (de) 1980-06-19
IE38137L (en) 1974-02-28
DK135725B (da) 1977-06-13
DK135725C (da) 1977-11-21
NL176466C (nl) 1985-04-16
PL92485B1 (de) 1977-04-30
US4051113A (en) 1977-09-27
BE804236A (fr) 1974-02-28
NL7311834A (de) 1974-03-04
NL176466B (nl) 1984-11-16
DD105815A5 (de) 1974-05-12
DE2242641A1 (de) 1974-04-11
IE38137B1 (en) 1978-01-04
JPS4953994A (de) 1974-05-25
GB1440946A (en) 1976-06-30
SU516356A3 (ru) 1976-05-30
AR198003A1 (es) 1974-05-24
LU68321A1 (de) 1973-10-30
DE2242641B2 (de) 1979-10-04

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