申请人:HUNTSMAN ADV MAT SWITZERLAND
公开号:WO2013182391A1
公开(公告)日:2013-12-12
The present invention relates to azo dyes of the formula (1), wherein R1 is hydrogen or hydroxy, R2 is hydrogen or hydroxy, at least one of the radicals R1 and R2 being hydroxy, R3 is hydrogen, cyano, nitro or halogen, R4 is hydrogen, cyano, nitro or halogen, D represents a radical of the formula (2) or (3), wherein R5 denotes C1-C12alkyl, C1-C12hydroxyalkyl, C1-C12alkoxyalkyl, C2-C12alkenyl, C6-C30aryl or C7-C36aralkyl and R6 and R7, each independently of the other, is hydrogen, C1-C12alkyl, C1-C12hydroxyalkyl, C1C12alkoxyalkyl, C6-C30aryl or C7-C36aralkyl, with the proviso that the compound of formula (1) is excluded, wherein R1 is hydrogen, R2 is hydroxy, R3 and R4 is hydrogen and D is the radical of formula (2) wherein R5 is ethyl, and to the use of those dye mixtures in the dyeing or printing of semi-synthetic or synthetic hydrophobic fibre materials.
本发明涉及式(1)的偶氮染料,其中R1是氢或羟基,R2是氢或羟基,R1和R2中至少有一个是羟基,R3是氢、氰基、硝基或卤素,R4是氢、氰基、硝基或卤素,D代表式(2)或(3)的基团,其中R5表示C1-C12烷基、C1-C12羟基烷基、C1-C12烷氧基烷基、C2-C12烯基、C6-C30芳基或C7-C36芳基烷基,R6和R7分别独立于对方,是氢、C1-C12烷基、C1-C12羟基烷基、C1-C12烷氧基烷基、C6-C30芳基或C7-C36芳基烷基,但式(1)的化合物除外,其中R1是氢、R2是羟基、R3和R4是氢,D是式(2)中R5为乙基的基团,以及在染色或印花半合成或合成疏水纤维材料中使用这些染料混合物。