| 摘要 |
Compounds of the formula:where R1, R2, R3, R4, R5, R6, R7, R8, R'5, R'6, R'7, R'8 are hydroxy -NO2, -CN, -CF3, -CONH2, C1-12alkyl, phenyl, naphthyl, phenanthryl, anthryl, R9R10N-, R9-O-or R9-S-, -CONHR10, -CONR9R10 in which R9 and R10 are C1-C6-alkyl, C6-C10-aryl, (C6-C10)-aryl-(C1-C6)-alkyl or (C1-C6)-alkyl-(C6-C10)-aryl, in which the alkyl and/or aryl radicals can optionally be substituted by hydroxyl, C1-C6-alkoxy, C6-C10-aryloxy or halogen; and optionally, two adjacent groups can form an isocyclic or heterocyclic group;are eminently suitable for the mass coloring of polymers, in particular polar polymers, for coloring toners, powders and powder coating materials as well as for coloring ink-jet inks.
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