[EN] TRISAZO ACID DYES BASED ON PYRIDONES<br/>[FR] COLORANTS ACIDES TRISAZOÏQUES À BASE DE PYRIDONES
申请人:CLARIANT INT LTD
公开号:WO2013056839A1
公开(公告)日:2013-04-25
The invention relates to novel acid dyes of formula (I), wherein R0 signifies a substituted or unsubstituted C1 to C4 alkyl, R1 signifies H, C1 to C4 alkyl, sulpho, C1 to C4 alkylene-sulpho, -CO-NH2, -CO-NH-(C1 to C4 alkyl) or CN, R2 signifies H, C1 to C4 alkyl, R3 signifies H, sulpho, C1 to C4 alkyl group, C1 to C4 alkoxy, R4 signifies H, C1 to C4 alkyl, C1 to C4 alkoxy, R6 signifies a substituted C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group, an unsubstituted aryl group or a substituted aryl group, wherein the compound of formula (I) bears at least one anionic substituent. 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R0表示取代或未取代的C1至C4烷基,R1表示H,C1至C4烷基,磺酸基,C1至C4烷基磺酸基,-CO-NH2,-CO-NH-(C1至C4烷基)或CN,R2表示H,C1至C4烷基,R3表示H,磺酸基,C1至C4烷基,C1至C4烷氧基,R4表示H,C1至C4烷基,C1至C4烷氧基,R6表示取代的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,其中化合物具有至少一个阴离子取代基。这种新型酸性染料可用于聚酰胺的染色和印花。