Black dye formulation containing three mono-azo dyes

Abstract

Abstract A BLACK DYE FORMULATION COMPRISING A BLUE DYE, AN ORGANGE OR YELLOW BROWN DYE AND A RED DYE COMPONENT THE DYE COMPONENTS BEING PRESENT IN PROPROTIONS SUITABLE FOR OBTAINING A BLACK DYESTUFF WHICH IS SUITABLE FOR APPLICATION TO FIBERS WHICH WILL BE SUBJECTED TO DURABLE PRESS TREATMENT, THE BLUE DYE COMPONENT BEING A COMPOUND REPRESENTED BY THE FORMULA 1-((2,4-DI(O2N-),6-X1-PHENYL)-N=N-),2-(X2-CO-NH-),5- (R-O-),4-(R1-NH-COO-(CH2)N-N(-R2)-)BENZENE WHEREIN X1 IS CHLORINE, BROMINE OR CYANO, X2 IS LOWER ALKYL OR PHENYL, R IS LOWER ALKYL, R1 IS LOWER ALKYL OR LOWER ALKENYL, R2 IS HYDROGEN, LOWER ALKYL OR C2-3 ALKYL SUBSTITUTED BY -OCONHR1, AND N IS 2 OR 3, THE ORANGE OR YELLOW BROWN DYE COMPONENT BEING A COMPOUND REPRESENTED Y THE FORMULA 1-((2-X3,4-(O2N-),6-X3-PHENYL)-N=N-),4-(R3-CH2-N(-(CH2)2- CN)-)BENZENE WHEREIN X3 AND Z3'' ARE INDIVIDUALLY CHLORO OR BROMO, AND R3 IS -CH2OCOR4, -CH2OCONHR5, -CHOHCH2CL OR -CH-(CH2CL)OCOR4, R4 BEING LOWER ALKYL OR PHENYL, AND R5 BEING C1-C4 ALKENYL OR PHENYL, AND THE RED DYE COMPONENT BEING A COMPOUND REPRESENTED BY THE FORMULA: 1-((2-X4,4-(O2N-)PHENYL)-N=N-),2-(X2-CO-NH-),4-(R1-NH- COO-(CH2)N-N(-R2)-)BENZENE WHEREIN X4 IS H, CL, BR AND CN, X2 IS AS DEFINED ABOVE, R1 IS AS DEFINED ABOVE, R2 IS AS DEFINED ABOVE, N IS AS DEFINED ABOVE.

Inventors

• 👤 N Doss
• 👤 R Tremain

Bibliographic Details