A method of colouring porous material, especially human hair, is described, which method comprises applying to the material being coloured, in any desired order successively, or simultaneously, a) at least one capped diazonium compound of Formula (1) and/or at least one compound of Formula (2) and/or at least one compound of Formula (3) wherein Q is an unsubstituted or substituted aromatic or heterocyclic residue, R is the radical of an unsubstituted or substituted, water-soluble aliphatic or aromatic amine, and T is an unsubstituted or substituted, water-soluble aliphatic or aromatic residue, wherein at least one of the groups must contain a radical imparting water solubility, and a) at least one water-soluble coupling component under conditions such that, initially, coupling does not take place, and then causing the capped diazonium compound present on the material to react with the coupling component.
本发明描述了一种对多孔材料,特别是人类头发进行着色的方法,该方法包括以任何所需的顺序连续或同时向被着色材料施用 a) 至少一种式(1)封端重氮化合物和/或至少一种式(2)化合物和/或至少一种式(3)化合物,其中 Q 是未取代或取代的芳香族或杂环残基,R 是未取代或取代的
水溶性脂肪族或芳香族胺的基团,T 是未取代或取代的
水溶性脂肪族或芳香族残基,其中至少一个基团必须包含赋予
水溶性脂肪族或芳香族残基的基团、a) 至少一种
水溶性偶联组分,条件是最初不发生偶联,然后使存在于材料上的封端重氮 化合物与偶联组分反应。