| 摘要 |
Water-soluble dyes of general formula (1) which react with fibres are capable of dyeing materials containing hydroxy or carbonamide groups, in particular fibrous materials such as wool and in particular cellulose fibre material, in bright, fast shades. In (1), F is the residue of a monoazo, polyazo, metal complex azo, anthraquinone, phthalyocyanin, triphendioxazine, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, formazane, thoixanthene, nitroaryl, naphthaquinone, pyrene quinone or perylene tetracarbonamide dye, R<x> is hydrogen or alkyl containing from 1 to 4 carbon atoms, R is hydrogen, sulpho, carboxy, alkyl containing from 1 to 4 carbon atoms, alkoxy containing from 1 to 4 carbon atoms or chlorine, w is equal to 1, 2, 3 or 4, Y is the vinyl group or an ethyl group containing a substituent in the beta position which can be removed by alkali to form the vinyl group, and n is equal to 1 or 2. |
