Dye mixture, process for its preparation and its use

• Main Authors: SCHAFFELD, MIEKE, GROEBEL, BENGT-THOMAS, ROEHRIG, DIERK, KRIEGER, KARL, SCHUMACHER, CHRISTIAN
• Format: Patent
• Language: English; French; German
• Published: 22.10.2003
• Edition: 7
• Subjects: ADHESIVES; CHEMISTRY; DYES; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; POLISHES

Dye mixture contains reactive 1-(2-arylamino-4-chloro-1,3,5-triazin-6-yl-amino)-7-vinylsulfonylpheny lazo-8-hydroxy naphthalene-3,6-disulfonic acid (precursor) dye(s) (I) and 1-(2-arylamino-4-chloro-1,3,5-triazin-6-yl-amino)-7-arylazo-8-hydroxy naphthalene-3,6-disulfonic acid dye(s) (II) in 70:30 to 30:70 molar ratio. Dye mixture contains reactive 1-(2-arylamino-4-chloro-1,3,5-triazin-6-yl-amino)-7-vinylsulfonylpheny lazo-8-hydroxy naphthalene-3,6-disulfonic acid (precursor) dye(s) (I) and 1-(2-arylamino-4-chloro-1,3,5-triazin-6-yl-amino)-7-arylazo-8-hydroxy naphthalene-3,6-disulfonic acid dye(s) (II) of the given formulae in 70:30 to 30:70 molar ratio: M = hydrogen (H), an alkali metal or the equivalent of an alkaline earth metal; R , R = H, 1-4 carbon (C) alkyl, 1-4 C alkoxy, sulfo or carboxy; R , R = H, 1-4 C alkyl or 1-4 C alkoxy; RA, RB = H or sulfo; R = H or 1-4 C alkyl; Y , Y = vinyl or ethyl with a substituent eliminated by alkali in the beta -position; G, D = a benzene residue; R , R = H, 1-4 C alkyl, 1-4 C alkoxy, halogen, sulfo or carboxy; and R , R = H, 1-4 C alkyl, 1-4 C alkoxy or sulfo; or G, D = a naphthalene residue; R , R = H, methyl, sulfo or carboxy; and R , R = H or sulfo.