CH415641A - Process for the preparation of pure alkali-lactam solutions for polymerization purposes - Google Patents

Process for the preparation of pure alkali-lactam solutions for polymerization purposes

Info

Publication number
CH415641A
CH415641A CH417063A CH417063A CH415641A CH 415641 A CH415641 A CH 415641A CH 417063 A CH417063 A CH 417063A CH 417063 A CH417063 A CH 417063A CH 415641 A CH415641 A CH 415641A
Authority
CH
Switzerland
Prior art keywords
preparation
pure alkali
polymerization purposes
lactam
solutions
Prior art date
Application number
CH417063A
Other languages
German (de)
Inventor
Bayerlein Friedrich
Dachs Karl
Wilhelm Hans
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 CH415641A publication Critical patent/CH415641A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/14—Preparation of salts or adducts of lactams
    • 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
    • C08G69/18—Anionic polymerisation
    • 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
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic polymerisation characterised by the catalysts used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyamides (AREA)
CH417063A 1962-04-11 1963-04-02 Process for the preparation of pure alkali-lactam solutions for polymerization purposes CH415641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB66762A DE1204821B (en) 1962-04-11 1962-04-11 Process for the production of storable solutions of alkali lactamates in lactams

Publications (1)

Publication Number Publication Date
CH415641A true CH415641A (en) 1966-06-30

Family

ID=6975261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH417063A CH415641A (en) 1962-04-11 1963-04-02 Process for the preparation of pure alkali-lactam solutions for polymerization purposes

Country Status (7)

Country Link
AT (1) AT238152B (en)
BE (1) BE630860A (en)
CH (1) CH415641A (en)
DE (1) DE1204821B (en)
DK (1) DK108641C (en)
GB (1) GB1032294A (en)
NL (2) NL146156B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035733C3 (en) * 1970-07-18 1982-03-25 Bayer Ag, 5090 Leverkusen Process for the anionic polymerization of lactams and catalyst solutions therefor
DE102008000259A1 (en) * 2008-02-08 2009-08-13 Rhein Chemie Rheinau Gmbh Process for the preparation of lactamates by thin film evaporation
CN110069031B (en) * 2019-04-18 2023-12-19 湖北大学 High-temperature sensitive pressure sensing control system and method
WO2020221918A2 (en) 2019-05-01 2020-11-05 Novochem Green Additives 1 B.V. Electrolyte

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904948C (en) * 1942-10-22 1954-02-25 Bobingen Ag Fuer Textil Faser Process for polymerizing lactams from ªÏ-aminocarboxylic acids
DE1051497B (en) * 1954-08-30 1959-02-26 Filmfabrik Agfa Wolfen Veb Process for the production of polyamides

Also Published As

Publication number Publication date
DK108641C (en) 1968-01-15
NL290558A (en)
GB1032294A (en) 1966-06-08
NL146156B (en) 1975-06-16
AT238152B (en) 1965-01-25
BE630860A (en)
DE1204821B (en) 1965-11-11

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