| 摘要 |
<p>2-hydroxy-3-(4-alkoxy-2-nitrophenylazo)-4-methyl-5-cyano-pyrid-6-one dye mixture contains a dye of formula (I) and a dye of formula (II), where R1, R3, R4 = 1-4C alkyl; R2 = (CH2)nO-R5; R5 = 1-4C alkyl; and n = 1, 2 or 3. Also claimed are (a) a method for dyeing or printing (semi)synthetic hydrophobic material, especially textiles, by applying or incorporating the mixture; and (b) the dyed or printed material, especially polyester textile.</p> |
