Water-soluble triazine compounds, their preparation and their use

Abstract From the Canadian patent

Water-soluble triazine compounds which in their, betaine form correspond to the formula (I), wherein, R1 denotes hydrogen or alkyl R2 and R3 independently of one another denote hydrogen, alkyl, alkenyl or aralkyl, X denotes halogen hydroxyl, alkoxy, alkyl, aryl, or an optionally monosubstituted or disubstituted amino group, the substituents of which can be involved - optionally via a hetero-atom - in cyclisation, and, Y denotes hydrogen or the radical of an azo dyestuff, and wherein, the cyclic and acyclic radicals can carry further substituents, are used - when Y represents the radical of an azo dyestuff - for dyeing synthetic and natural materials in, particular paper, and - when Y …