Hot-melt adhesives based on anionic terpolymers of lactams

Details Hot-melt adhesives based on anionic terpolymers of lactams Hot-melt adhesives based on anionic terpolymers of lactams

1976-05-26

1977-10-25

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 326NA, 260 334R, 260 78A, 428474, C08G 6914

Patent

active

040555526

ABSTRACT:
The invention relates to hot-melt adhesives based on anionic copolymers of lactams, where one of the starting lactams is 8.octanolactam in the amount of 10-90 mol.% and the other at least 2 lactams containing 6 or more 6 atoms in the ring are in the amount 90-10 mol.%. These further lactams are preferably 6-hexanolactam and 12-dodecanolactam. The melt adhesives may contain further additives, as dyes, fillers, molecular weight regulators, etc. The anionic copolymerization used for their manufacturing is the simple and rapid technique which requires lower temperatures and can be easily performed continuously. The said polyamide melt adhesives are applicable e.g. in clothing and footwear industry and other textile and leather working.

REFERENCES:
patent: 3216976 (1965-11-01), Schwartz et al.
patent: 3359227 (1967-12-01), Amann et al.
patent: 3644264 (1972-02-01), Hyde

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