摘要:
Dyestuffs of the formula: ##STR1## in which R.sub.2 and R.sub.4 which are the same or different each represent a hydrogen atom or an alkyl, hydroxyalkyl or cyanethyl group, one of the substituents R.sub.1 and R.sub.3 represents the 2,2,2-trifluoroethyl group and the other substituent represents an alkyl group or the 2,2,2-trifluoroethyl group, the ring A is unsubstituted by or substituted by one or 2 chlorine atoms or an alkoxy or alkyl group, the rings B.sub.1 and B.sub.2 are each unsubstituted or substituted by at least one alkyl or alkoxy group and X represents a colorless monovalent anion; process for the preparation of such dyestuffs; process for the coloration with such dyestuffs based on a polymer or copolymer of acrylic nitrile or on polyamides or polyesters which have been modified by anionic groups; and fibres based on a polymer or copolymer of acrylic nitrile or on polyamides or polyesters which have been modified by anionic groups colored by means of such dyestuffs.
摘要:
A compound having the formula: ##STR1## wherein X represents a --SO.sub.3 H or PO.sub.3 H.sub.2Y represents hydrogen, chlorine, alkyl, alkoxy or nitro,Z represents hydrogen,B represents a p-phenylene or 1,4-naphthylene unsubstituted or substituted by one or two alkyl or alkoxy groups,R represents hydrogen, alkyl or alkoxy,R.sub.1 represents hydrogen, chlorine, alkyl, alkoxy or acetylamino,R.sub.2 represents hydrogen, alkyl, cyanethyl or hydroxyalkyl, the alkyl and alkoxy having 1 to 5 carbon atoms, ##STR2##
摘要翻译:具有下式的化合物:其中X表示-SO 3 H或PO 3 H 2表示氢,氯,烷基,烷氧基或硝基,Z表示氢,B表示未取代的或被一个取代的对亚苯基或1,4-亚萘基 或两个烷基或烷氧基,R表示氢,烷基或烷氧基,R 1表示氢,氯,烷基,烷氧基或乙酰氨基,R 2表示氢,烷基,氰乙基或羟烷基,烷基和烷氧基具有1至5个碳原子, >
摘要:
Water-insoluble azo dyestuffs corresponding to the formula: ##STR1## in which X represents halogen, cyano, nitro, alkyl, polyfluoroalkyl, polyfluoroalkoxy, alkylsulphonyl, sulphonamido, or sulphonamido substituted by one or two alkyl groups;Y and Z are the same or different and represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, polyfluoroalkyl, polyfluoroalkoxy, alkylsulphonyl, sulphonamido or sulphonamidosubstituted by one or two alkyl groups;R represents hydrogen, halogen, cyano, nitro, alkyl, alkoxy, polyfluoroalkyl, polyfluoroalkoxy, alkylsulphonyl, sulphonamido, or sulphonamido substituted by one or two alkyl groups;m is equal to 0 or 1;and the nucleus A may be substituted by one or more chlorine atoms or alkyl, alkoxy or acylamino groups.These dyestuffs may be used for dyeing synthetic or artificial textile fibers, especially polyester fibers.