Acyldihydroxybenzene heterocyclic azo dyes for metallized...

Details Acyldihydroxybenzene heterocyclic azo dyes for metallized... Acyldihydroxybenzene heterocyclic azo dyes for metallized...

C - Chemistry, Metallurgy

09

B

8/20, 260/171.2

C09B 29/00 (2006.01) C09B 29/12 (2006.01) D06P 1/04 (2006.01) D06P 3/79 (2006.01)

Patent

CA 1077928

ABSTRACT OF THE DISCLOSURE Azo dyes of the formula: Image are provided wherein A is Image or Image where R6 and R7 are independently hydrogen, cyano, nitro, halogen, lower alkyl, lower alkylsulfonyl, trifluoromethyl, carbalkoxy o? phenyl and R8 and R9 are independently hydrogen, lower alkyl, lower alkoxy, halogen, nitro, sulfamyl, N,N-(dilower alkyl)- sulfamyl, cyano and lower alkyl sulfonyl and wherein R is lower alkyl, 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.

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