申请人:Ciba -Geigy Aktiengesellschaft
公开号:US04246410A1
公开(公告)日:1981-01-20
A naphtholactam dyestuff of the general formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, X represents .dbd.O, .dbd.NH or .dbd.NR', Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, B represents a group which completes ring A to give a heterocyclic structure, R' represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or, preferably, hydrogen and E and F can carry further non-ionic substituents. The new dyestuffs give brilliant yellow and red shades on polyester fibres.
通用公式(I)的萘内酰胺染料,其中R代表烷基、烯基、环烷基、芳基、芳基烷基、芳基或更好地是氢,M代表氢或阳离子,X代表.dbd.O、.dbd.NH或.dbd.NR',Y代表自由或修饰的羧基,Z代表非离子取代基,n代表0、1或2,B代表完成环A形成杂环结构的基团,R'代表烷基、烯基、环烷基、芳基烷基、芳基或更好地是氢,E和F可以带有进一步的非离子取代基。这种新染料在涤纶纤维上呈现出鲜艳的黄色和红色色调。