AT250018B - Verfahren zur Polykondensation eines Lactams - Google Patents

Verfahren zur Polykondensation eines Lactams

Info

Publication number
AT250018B
AT250018B AT585163A AT585163A AT250018B AT 250018 B AT250018 B AT 250018B AT 585163 A AT585163 A AT 585163A AT 585163 A AT585163 A AT 585163A AT 250018 B AT250018 B AT 250018B
Authority
AT
Austria
Prior art keywords
lactam
polycondensation
Prior art date
Application number
AT585163A
Other languages
English (en)
Original Assignee
Du Pont
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
Priority claimed from US229159A external-priority patent/US3207729A/en
Priority claimed from US229161A external-priority patent/US3214415A/en
Priority claimed from US244263A external-priority patent/US3216977A/en
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of AT250018B publication Critical patent/AT250018B/de

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
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic polymerisation characterised by the catalysts used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
AT585163A 1962-10-08 1963-07-22 Verfahren zur Polykondensation eines Lactams AT250018B (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US229159A US3207729A (en) 1962-10-08 1962-10-08 Anionic polymerization of lactams with 2, 2, 4, 4-tetramethyl-1, 3-cyclobutane dione as promoter
US229161A US3214415A (en) 1962-10-08 1962-10-08 Polymerization of lactams with the beta-lactone of 2, 2, 4-trimethyl-3-hydroxy-3-pentenoic acid as activator
US244263A US3216977A (en) 1962-12-13 1962-12-13 Anionic polymerization of lactams with methylene oxazolidine-4, 5-dione compounds as activators

Publications (1)

Publication Number Publication Date
AT250018B true AT250018B (de) 1966-10-25

Family

ID=27397917

Family Applications (1)

Application Number Title Priority Date Filing Date
AT585163A AT250018B (de) 1962-10-08 1963-07-22 Verfahren zur Polykondensation eines Lactams

Country Status (5)

Country Link
AT (1) AT250018B (de)
CH (1) CH445855A (de)
DK (1) DK108434C (de)
NL (1) NL295603A (de)
SE (1) SE309495B (de)

Also Published As

Publication number Publication date
SE309495B (de) 1969-03-24
NL295603A (de)
DK108434C (da) 1967-12-11
CH445855A (de) 1967-10-31

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