| 摘要 |
A water-soluble reactive dye of the formula: <IMAGE> wherein D represents a radical of a water-soluble azo dye selected from: (i) sulphonated monoazo radicals which are free from complexly bound metal and have the formula: <IMAGE> wherein A represents a radical of the benzene or naphthalene series, R3 represents hydrogen or C1-8-alkyl and one of U and V is SO3H, the other being H, and (ii) a disazo radical of the formula: <IMAGE> x represents Cl, Br, F, SO3H or a quaternary ammonium group; R1 represents an optionally substituted C1-8-alkyl radical; R2 represents hydrogen or an optionally substituted C1-8-alkyl radical; and T represents a 1,3- or 1,4-phenylene radical which may carry one or more substituents selected from halogen, alkyl, alkoxy, acylamino, nitro and carboxy.
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