Acyldihydroxybenzene azo dyes for metallized polyolefins
AssigneeAmerican Color & Chemical Corporation
InventorRaouf Botros
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Abstract
Acyldihydroxybenzene azo compounds of the formula ##STR1## are provided where A represents a benzene radical which is unsubstituted or mono, di, or trisubstituted or a naphthalene radical which is unsubstituted or mono or disubstituted with any of alkyl of 1-4 carbon atoms, alkoxy of 1-4 carbon atoms, trifluoromethyl, cyano, nitro or halogen and R is alkyl of 1-4 carbon atoms, benzyl or phenyl. The compounds when applied to metallized polyolefin fabrics, particularly nickel-containing polypropylene fabrics, produce dyeings of strong bright shades which are exceptionally fast to light, dry cleaning, crocking, gas and heat.
Claims12
Metallized polyolefin dyed with an acyldihydroxybenzene azo compound of the formula:
- ##STR49## wherein A is phenyl, phenyl substituted by up to three substituents, naphthyl or naphthyl substituted by up to two substituents, the substituents being independently selected from alkyl of 1-4 carbon atoms, alkoxy of 1-4 carbon atoms, trifluoromethyl, cyano, nitro, chlorine and bromine;
- and
- R is alkyl of 1-4 carbon atoms, benzyl, phenyl, or phenyl substituted by up to two substituents independently selected from alkyl 1-4 carbon atoms, alkoxy of 1-4 carbon atoms, chlorine and bromine.
Dependencies are inferred from the claim text.