| 摘要 |
Triazine compounds which in their betaine form correspond to the formula <IMAGE> wherein Y denotes hydrogen or the radical of an azo dye-stuff, R denotes hydrogen or alkyl, Ar denotes arylene, Z denotes halogen, hydroxyl, alkoxy, alkyl, aryl or an amino group which may be monosubstituted or disubstituted, m denotes 0 or 1 and X(+) denotes an ammonium group amd whereim the cyclic and acyclic radicals can carry further substituents, are used for dyeing/coloring natural and synthetic substrates and compositions, in particular paper.
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