| abstract |
Concentrated aqueous dye solutions comprising one or more cationizable dyes, an organic acid and water and their use for dyeing and/or printing organic substrates and for producing inkjet printing inks (Formula I), where each A is independently -NH- or -O-, B is a polyvalent group or atom, n’ and n’’ are natural numbers and the surn total of n’ and n’’ is ≥2, m is a group having the formula (c1) or (c2). |