Modified molecular weight of polylactams

Details Modified molecular weight of polylactams Modified molecular weight of polylactams

1974-08-12

1976-02-24

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260857G, 260857D, 260858, 260 78P, 260 78SC, C08G 6924, C08G 8100

Patent

active

039403726

ABSTRACT:
Nylons containing modified molecular weights are anionically polymerized from lactams having from 3 to 16 carbon atoms in the presence of hydrocarbon molecular weight control compounds having a pK.sub.a of from about 15 to about 29.

REFERENCES:
patent: 3298977 (1967-01-01), Robertson et al.
patent: 3470139 (1969-09-01), Marshall et al.
patent: 3481923 (1969-12-01), Naarmann
patent: 3669917 (1972-06-01), Ando et al.
Cram, D. J., Fundamentals of Carbanion Chemistry, (1965), Academic Press, N.Y., pp. 4-7 and 14-21.

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