Tertiary amines, substituted piperidine, morpholine or piperazin

Details Tertiary amines, substituted piperidine, morpholine or piperazin Tertiary amines, substituted piperidine, morpholine or piperazin

1974-11-04

1976-11-02

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8169, D06P 500, D06P 502

Patent

active

039894550

ABSTRACT:
A method of treating polycarbonamide fiber, such as nylon 6 yarn for carpets, has been discovered to increase dye fastness when the dyed fiber is exposed to ozone. The method is coating the fibers with a tertiary amine, or a substituted piperidine, morpholine, or piperazine compound. The compound must contain at least one moiety of straight or branched chain alkyl, alkenyl or aralkyl containing 6 to 24 carbon atoms.

REFERENCES:
patent: 2409325 (1946-10-01), Ward
patent: 2706142 (1955-04-01), Van Glahn
patent: 3495929 (1970-02-01), Kleeman
patent: 3785767 (1974-01-01), Hildebrand
Salvin, Tex. Res. Jour., July 1955, pp. 571-585.

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