[EN] TRISAZO ACID DYES BASED ON NAPHTHOLES<br/>[FR] COLORANTS ACIDES TRISAZOÏQUES À BASE DE NAPHTOLES
申请人:CLARIANT INT LTD
公开号:WO2013056837A1
公开(公告)日:2013-04-25
The invention relates to novel acid dyes of formula (I) wherein R1 signifies H or a sulpho group R2 signifies H or a sulpho group, R1 has to be different from R2, R3 signifies H, a sulpho group, a substituted C1 to C4 alkyi group or an unsubstituted C1 to C4 alkyi group, a substituted C1 to C4 alkoxy group or an unsubstituted C1 to C4 alkoxy group, R4 signifies H, a substituted C1 to C4 alkyi group or an unsubstituted C1 to C4 alkyi group, a substituted C1 to C4alkoxy group or an unsubstituted C1 to C4 alkoxy group, R6 signifies a substituted C1 to C9 alkyi group or an unsubstituted C1 to C9 alkyi group, an unsubstituted aryl group or a substituted aryl group. The novel acid dyes can be used for dyeing and printing polyamides.
本发明涉及一种新型酸性染料,其化学式为(I),其中R1代表H或磺酰基,R2代表H或磺酰基,R1必须与R2不同,R3代表H、磺酰基、取代的C1至C4烷基或未取代的C1至C4烷基、取代的C1至C4烷氧基或未取代的C1至C4烷氧基,R4代表H、取代的C1至C4烷基或未取代的C1至C4烷基、取代的C1至C4烷氧基或未取代的C1至C4烷氧基,R6代表取代的C1至C9烷基或未取代的C1至C9烷基、未取代的芳基或取代的芳基。这种新型酸性染料可用于染色和印刷聚酰胺。