DK108434C - Fremgangsmåde til polymerisation af en lactam til et polyamid. - Google Patents

Fremgangsmåde til polymerisation af en lactam til et polyamid.

Info

Publication number
DK108434C
DK108434C DK350663A DK350663A DK108434C DK 108434 C DK108434 C DK 108434C DK 350663 A DK350663 A DK 350663A DK 350663 A DK350663 A DK 350663A DK 108434 C DK108434 C DK 108434C
Authority
DK
Denmark
Prior art keywords
lactam
polymerizing
polyamide
Prior art date
Application number
DK350663A
Other languages
Danish (da)
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 DK108434C publication Critical patent/DK108434C/da

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)
DK350663A 1962-10-08 1963-07-22 Fremgangsmåde til polymerisation af en lactam til et polyamid. DK108434C (da)

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
DK108434C true DK108434C (da) 1967-12-11

Family

ID=27397917

Family Applications (1)

Application Number Title Priority Date Filing Date
DK350663A DK108434C (da) 1962-10-08 1963-07-22 Fremgangsmåde til polymerisation af en lactam til et polyamid.

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
NL295603A (de)
SE309495B (de) 1969-03-24
AT250018B (de) 1966-10-25
CH445855A (de) 1967-10-31

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