| 摘要 |
Composition for immediate use for oxidation dyeing of keratinic fibres, preferably human hair, comprises in a suitable medium: (i) at least one oxidation base; (ii) at least one 3-aminophenol type coupler of formula (I) or their addition salts with an acid; (iii) at least one direct cationic dye of formula (II); and (iv) at least one oxidising agent. R1 = H, 1-4 C alkyl, 1-4 C monohydroxyalkyl or 2-4 C polyhydroxyalkyl; R2 = H, 1-4 C alkyl, 1-4 C alkoxy or Cl, Br or F; R3 = 1-4 C alkyl, 1-4 C alkoxy, 1-4 C monohydroxyalkyl, 2-4 C polyhydroxyalkyl, 1-4 C monohydroxyalkoxy or 2-4 C polyhydroxyalkoxy; D = N or CHR4; R4, R5 = H, 1-4 C alkyl (optionally substituted by CN, OH or HN2); or R4 or R5 together with a C atom of the benzene ring may form a heterocycle (optionally containing N or O and which is optionally substituted by one or more 1-4 C alkyl groups) or 4'-aminophenyl; R6 = H, Cl, Br, I, F, 1-4C alkoxy or 1-4C acetyloxy; X<-> = chloride, methyl sulphate or acetate; A = N-containing heterocycle substituted by at least one R7 and optionally by R8; R7 = 1-4 C alkyl (optionally substituted by OH); and R8 = 1-4 C alkoxy; provided that when D = CH, then A = 1-(R7)-2- or 4-pyridinium and if R6 is other than alkoxy than R4 and R5 are not both H. |
