申请人:Imperial Chemical Industries PLC
公开号:US05171852A1
公开(公告)日:1992-12-15
Triphenodioxazine reactive dyes, useful for dyeing cellulosic fibers, of the formula: ##STR1## wherein each of T.sup.1 and T.sup.2, independently, represents H, Cl, Br, F, SO.sub.3 H or an optionally substituted alkyl or aryl radical; R.sup.1 represents H or an optionally substituted hydrocarbon or heterocyclic radical; R.sup.2 represents an optionally substituted hydrocarbon radical; A represents C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, Cl, COOH or SO.sub.3 H, and n has a value of 0 or 1, the nature of the substituents being such that the dyes contain at least two SO.sub.3 H groups and at least two fibre-reactive groups.
三苯二氧氮蓝反应染料,用于染色纤维素纤维,其化学式为:其中T1和T2中的每一个,独立地表示H、Cl、Br、F、SO3H或一个可选择地取代的烷基或芳基基团;R1表示H或一个可选择地取代的碳氢化合物或杂环基团;R2表示一个可选择地取代的碳氢基团;A表示C1-4-烷基、C1-4-烷氧基、Cl、COOH或SO3H,n的值为0或1,取代基的性质使得染料含有至少两个SO3H基团和至少两个纤维反应基团。