申请人:Bayer Aktiengesellschaft
公开号:US04339380A1
公开(公告)日:1982-07-13
Dyestuffs of the formula ##STR1## wherein R.sub.1 represents alkyl or aryl, R.sub.2 represents halogen, CN, CF.sub.3, NO.sub.2, Q.sub.1, --OQ.sub.1, --CONQ.sub.1 Q.sub.2 or --NHCOQ.sub.1, R.sub.3 represents halogen, CN, CF.sub.3, Q.sub.1 or --OQ.sub.1 and K represents the radical of an aniline coupling component and wherein Q.sub.1 denotes alkyl or aryl and Q.sub.2 denotes hydrogen, alkyl or aralkyl possess very high tinctorial strength and are outstandingly suitable for dyeing polyester fibres, which are dyed in clear orange-red to red shades having good fastness to light, wet treatment and sublimation. The alkyl, aralkyl and aryl radicals mentioned may be further substituted by nonionic groups or by the radical COOH.
式子为##STR1##的染料,其中R.sub.1代表烷基或芳基,R.sub.2代表卤素、CN、CF.sub.3、NO.sub.2、Q.sub.1、--OQ.sub.1、--CONQ.sub.1 Q.sub.2或--NHCOQ.sub.1,R.sub.3代表卤素、CN、CF.sub.3、Q.sub.1或--OQ.sub.1,K代表苯胺偶联组分的基团,其中Q.sub.1表示烷基或芳基,Q.sub.2表示氢、烷基或芳基,具有非常高的染色力,非常适合染色涤纶纤维,染色为清橙红色到红色,具有良好的耐光、耐水处理和升华牢度。所提到的烷基、芳基和芳基烷基基团可以进一步被非离子基团或COOH基团取代。