| 摘要 |
Anthraquinone dyestuffs suitable for use in dyeing and printing synthetic fiber material, particularly polyesters, and process for their preparation which comprises reacting an anthraquinone which contains, in at least one beta -position, a reactive group which will come off, with a phenol, an alcohol, an aromatic or aliphatic mercaptan or amine which contains an aryl radical substituted by at least 1 acylamino methylene group or an anthraquinone which contains, in at least one beta -position, an aryl radical attached directly or through a bridge with a methylolamide or a derivative thereof or an equivalent amount of a mixture of formaldehyde or formaldehyde-yielding compound and an aliphatic or aromatic nitrile or the amide or imide derived therefrom.
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