Preparing polyamides by anionic polymerization of lactams

Details Preparing polyamides by anionic polymerization of lactams Preparing polyamides by anionic polymerization of lactams

1974-03-26

1976-03-23

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78P, 260243R, 260281R, C08G 6924, C08G 6920

Patent

active

039459845

ABSTRACT:
A method of preparing polyamides by anionic polymerization of cyclic lactams which comprises polymerizing at least one such lactam in the presence of at least one co-catalyst selected from the group consisting of N-substituted 1,3-oxazines, 1,3-thiazines, trioxopipendines and thioxopiperidines.

REFERENCES:
patent: 3216977 (1965-11-01), Brouns
patent: 3519624 (1970-07-01), Huber-Emden
patent: 3671500 (1972-06-01), Johnson

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