Disazo dyes derived from 1-acyl-2,4-dihydroxybenzenes and metall

Details Disazo dyes derived from 1-acyl-2,4-dihydroxybenzenes and metall Disazo dyes derived from 1-acyl-2,4-dihydroxybenzenes and metall

1976-06-04

1978-01-03

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8180, 260186, 260187, 260190, 260191, 260205, 260592, C09B 3120, C09B 3304, D06P 104, D06P 379

Patent

active

040663884

ABSTRACT:
Disazo dyes of the general formula: ##STR1## are provided where A is phenyl, naphthyl, phenyl substituted by up to 3 substituents or naphthyl substituted by up to 2 substituents; D is phenyl, naphthyl, or phenyl or naphthyl substituted by up to 2 substituents selected from alkyl of 1-4 carbon atoms, alkoxy of 1-4 carbon atoms or halogen and X is alkyl of 1-4 carbon atoms, benzyl or phenyl. The dyes when applied to metallized polyolefin fabrics, particularly nickel-containing polypropylene fabrics, produce strong bright shades which are exceptionally fast to light, dry cleaning, crocking, gas and heat.

REFERENCES:
patent: 3045004 (1962-07-01), Gaetani
patent: 3096140 (1963-07-01), Gaetani
patent: 3389956 (1968-06-01), Mohr et al.

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