| 摘要 |
The present invention relates to anthraquinone dyes of the formula (I) where R1 is hydrogen, R2 is hygrogen or CO-C2C6alkyl moiety may be substituted by carboxyl, or is (II) wherein R6 is hydrogen, C1-C4alkyl, hydroxyl, carboxyl or halogen, R7 is hygrogen, C1-C4alkyl or halogen and R8 is hydrogen or C2-C3alkyl or when R4 is halogen R8 may be methyl or halogen, R3 is hydrogen or halogen, R4 is hydrogen or halogen and n is (0), (1) or (2), with the proviso that R3, R4, R6, R7 and R8 are not all hydrogen at one and the same time, processes for their preparation and their use for dyeing or printing hydrophobic fibre materials or for preparing coloured plastics or polymeric colour particles.
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