Substituted thioureas to inhibit ozone fading of dyed polyamides

Details Substituted thioureas to inhibit ozone fading of dyed polyamides Substituted thioureas to inhibit ozone fading of dyed polyamides

1973-10-01

1978-08-08

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8 74, D06P 502

Patent

active

041054040

ABSTRACT:
When from about 0.5% to about 5% of N,N'-disubstituted thioureas are coated on nylon fiber, improved dyefastness is achieved compared to an untreated dyed nylon fiber when this fiber is exposed to ozone.

REFERENCES:
patent: 1985248 (1934-12-01), Ellis
patent: 2583370 (1952-01-01), Goppel et al.
patent: 3024218 (1962-03-01), Steven
patent: 3584993 (1971-06-01), Myles
patent: 3822996 (1974-07-01), Lofquist et al.
Salvin, American Dyestuff Reporter, 1952, pp. 297-303.
Salvin, Amer. Dyestuff Rep., Feb. 1968, pp. 156-159.
American Dyestuff Reporter, pp. 33-41, 1/6/64.
Textile Research J., vol. XXV, No. 7, Jul. 1955, pp. 571-585.

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