Mixture of reactive dyes with fibers and their use in a method for staining or printing di or trichromatic

摘要

Mixture of dyes, comprising at least one red dye of formula ** Formula ** and at least one blue, yellow, orange or brown dye of the group of formulas ** Formula ** in which B is a member of aliphatic bridge, R1, R3 and R8 are each independently hydrogen or C1-C4 alkyl, R2, R4, R5, R9, R11, R12, R13, R14, R15 and R16 are each independently hydrogen, alkyl C1-C4, C1-C4 alkoxy or sulfo, R6 and R10 are each independently of each other amino or C1-C4 alkyl, (R7) j denotes j identical or different substituents selected from the C2-C4 alkanoylamino group, ureido, C1- alkyl C4 and C1-C4 alkoxy, (R17) i denotes identical or different substituents selected from the C2-C4 alkanoylamino group, ureido, sulfo, C1-C4 alkyl and C1-C4 alkoxy, X1, X2, X3, X4, X5 and X6 are each independently of each other halogen, 3-carboxypyridin-1-yl or 3- carbamoylpyridin-1-yl, Z1, Z2 and Z3 are each independently of each other í a reactive group with fibers of formula ** Formula ** Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8 and Y9 are each independently from each other vinyl or a radical -CH2-CH2-U and U is a group that can be eliminated under alkaline conditions, i, j, kyl are each independently from each other the number 0, 1 or 2, m is the number 1 or 2, n and are each independently from each other the number 1, 2 or 3, p and q are each independently from each other the number 0 or 1, r and are each independently from each other the number 0 or 1, and t is the number 0, 1 or 2, and the sum of r, syt is 2 or 3.